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Backed by Iran and hated by Israel, Hezbollah chief Hassan Nasrallah is Lebanon's most powerful man. He enjoys cult status among his Shiite supporters and holds sway over the country's institutions.

The upcoming Moto G Power 5G (2025) recently made a pit stop at the FCC where the charging speed and battery size of the phone was revealed.

The post The Moto G Power 5G (2025) was spotted at the FCC appeared first on Phandroid.

The demand for higher-performance computing is greater than ever. Cutting-edge applications in artificial intelligence (AI), big data analytics, and databases require high-speed memory systems to handle the ever-increasing volumes and complexities of data. Advancements in cloud computing and machine virtualization are stretching the limits of current capabilities. AI applications hosted in the cloud rely on fast access and reduced latency in memory systems, which is amplified by an increasing number of CPU and GPU cores.

Introducing the DDR5 Multiplexed Rank DIMM (MRDIMM), the next-generation memory module technology designed to meet the needs of high-performance computing (HPC) and AI in cloud applications. By leveraging existing DDR5 DRAM memory devices, MRDIMM modules not only double the DRAM data rate but also maintain the RAS capabilities of the industry-proven RDIMM modules, setting a new precedent for memory module performance.

Let’s compare RDIMM and MRDIMM modules using the same DRAM parts. Today, high-speed production DDR5 RDIMM modules run at 5600Mbps. Those modules use DDR5 DRAM parts, which also run at 5600Mbps. An MRDIMM module using the same DDR5 5600Mbps DRAM parts will run at a blazing 11.2Gbps.

One key metric for best-in-class performance, low bit error rate (BER), and ease of adoption is the eye diagram. The eye diagram illustrates at-speed system margin and accurately represents DDR system quality when captured with a pseudo-random binary sequence (PRBS)-like pattern. The diagram below illustrates Cadence’s 3nm silicon write eye diagram for DDR5 MRDIMM IP running at 12.8Gbps.

Cadence 3nm DDR5 MRDIMM 12.8Gbps test chip write eye diagram, design kit is available today

The eye diagram is captured using a PRBS-like pattern, incorporating a package and system board representative of a typical MRDIMM channel. Using PRBS-like patterns is crucial for capturing accurate eye diagrams. Repetitive clock-like data patterns create deceptively “open eyes” that do not reflect the real system performance. Effects like intersymbol interference, simultaneous switching, reflections, and crosstalk are not accurately reflected in the eye diagrams for parallel interfaces like DDR using non-random data streams. Relying on improperly captured eye diagrams inevitably leads to a significantly worse real system BER than conveyed by that eye diagram.

Doubling the DDR5 RDIMM data rate is challenging. Achieving high performance while optimizing for area and power requires multiple design techniques. Feed-forward equalization (FFE), decision feedback equalization (DFE), continuous-time linear equalization (CTLE), and T-coils are required to reach 12.8Gbps MRDIMM data rates in multi-channel systems. Building a production-worthy 12.8Gbps DDR5 MRDIMM IP requires engineering expertise that comes from many generations of memory interface design and production experience. Cadence has developed this expertise through multiple DDR5/4, LPDDR5X/5, and GDDR6 designs in different technology nodes and foundries. For instance, Cadence’s GDDR6 IP is available in three foundries and ten process nodes, with mass production at speeds exceeding 22Gbps.

For your next project, consider DDR5 12.8Gbps MRDIMM, a technology that not only doubles the bandwidth of DDR5 RDIMM but also promises rapid proliferation into next-generation AI, data center, HPC, and enterprise applications. With its cutting-edge capabilities, the Cadence DDR5 12.8Gbps MRDIMM IP is ready to power the future of computing.

Hi everyone. 

I'm very a new cadence user. I'm not good at using it and quite lost in finding a way to get the results. With the topic, I would like to ask you for some suggestions to improve my cadence skills.

I have some digital decision logic. Some are combinational logic, some are sequential logic that I would like to import or generate random input combination to the inputs of my decision logic to get the maximum, minimum, and average delay power dissipation and area when feeding the different input combination.

My logic has 8-bit, 16-bit, and 32-bit input. The imported data tends to be decimal numbers.

I would like to ask you:

- which tool(s) are the most appropriate to import and feed the different combination to my decision logic?

- which tool is the most appropriate to synthesis with different number of input? - I have used Genus Synthesis Solution so far. However with my skill right now I can only let Genus synthesize my Verilog code one setup at a time. I'm not sure if I there is anyway I can feed a lot of input at a time and get those results (min, max, average of delay, power dissipation and area)

- which language or scripts I should pick up to use and achieve these results?

-where can I find information to solve my problem? which information shall I look for?

Thank you so much for your time!!

Best Regards

Thermal analysis with the Cadence Celsius Thermal Solver integrated within the AWR Microwave Office circuit simulator gives designers an understanding of device operating temperatures related to power dissipation. That temperature information can be introduced into an electrothermal model to predict the impact on RF performance.(read more)

By David Vye, Senior Product Marketing Manager, AWR, Cadence When designing multi-octave high-power amplifiers, it is a challenge to achieve both broadband gain and power matching using a combination of lumped and distributed techniques. One approach...(read more)

Learn how Xcelium PowerPlayback App enables the massively parallel Xcelium replay of waveforms for glitch-accurate power estimation of multi-billion gate SoC designs.(read more)

Power network design and analysis of 3D-ICs is a major challenge due to the complex nature and large size of the power network. In addition, designers must deal with the complexity of routing power through the interposer, multiple dies, through-silicon vias (TSVs), and through-dielectric vias (TDVs).
Cadence’s Integrity 3D-IC Platform and Voltus IC Power Integrity Solution provide a fully integrated solution for early planning and analysis of 3D-IC power networks, 3D-IC chip-centric power integrity signoff, and hierarchical methods that significantly improve capacity and performance of power integrity (PI) signoff while maintaining a very high level of accuracy at signoff. This blog summarizes the typical design challenges faced by today’s 3D-IC designers, as discussed in our recent webinar, “Addressing 3D-IC Power Integrity Design Challenges.” Please click here to view the full webinar.

Major Trends in Advanced Chip Design

From chips to chiplets, stacked die, 3D-ICs, and more, three major trends are impacting advanced semiconductor packaging design. The first is heterogenous integration, which we define as a disaggregated approach to designing systems on chip (SoCs) from multiple chiplets. This approach is similar to system-in-package (SiP) design, except that instead of integrating multiple bare die – including 3D stacking – on a single substrate, multiple IPs are integrated in the form of chiplets on a single substrate.

The second major trend is around new silicon manufacturing techniques that leverage silicon vias (TSVs) and high-density fanout RDL. These advancements mean that silicon is becoming a more attractive material for packaging, especially when high bandwidth and form factor become key attributes in the end design. This brings new design and verification challenges to most packaging engineers who typically work with organic and ceramic substrate materials.

Finally, on the ecosystem side, all the large semiconductor foundries now offer their own versions of advanced packaging. This brings new ways of supporting design teams with technologies like reference flows and PDKs, concepts that have typically been lacking in the packaging community. Cadence has worked with many of the leading foundries and outsourced semiconductor assembly and test facilities (OSATs) to develop multi-chip(let) packaging reference flows and package assembly design kits. The downside is that, with the time restrictions designers are under today, there isn’t enough time to simulate the details of these flows and PDKs further.

For those who must make the best electro/thermal/physical decisions to achieve the best power/performance/area/cost (PPAC), factors can include accurate die size estimations, thermal feasibility, die-to-die interconnect planning, interposer planning (silicon/organic), front-to-front and front-to-back (F2F/F2B) planning, layer stack and electromigration/ IR drop (EMIR)/TSV planning, IO bandwidth feasibility, and system-level architecture selection.

3D-IC Power Network Design and Analysis

The key to success in 3D-IC design is early power integrity planning and analysis. Cadence’s Integrity 3D-IC platform is a high-capacity 3D-IC platform that enables 3D design planning, implementation, and system analysis in a single, unified cockpit. Cadence’s Voltus IC Power Integrity Solution is a comprehensive full chip electromigration, IR drop, and power analysis solution. With its fully distributed architecture and hierarchical analysis capabilities, Voltus provides very fast analysis and has the capacity to handle the largest designs in the industry. Typically, 3D-IC PDN design and analysis is performed in four phases, as shown in Figure 1.

Phase 1 - Perform early power delivery network (PDN) exploration with each fabric’s PDN cascaded in system PI with early circuit models.

Phase 2 – Plan 3D-IC PDNs in Cadence’s Integrity 3D-IC platform, including micro bumps, TSVs, and through dielectric vias (TDVs), power grid synthesis for dies, and early rail analysis and optimization.

Phase 3 – Perform full chip-centric signoff in Voltus with detailed die, interposer, and package models, including chip die models, while keeping some dies flat.

Phase 4 – Perform full system-level signoff with Cadence’s Sigrity SystemPI using detailed extracted package models from Sigrity XtractIM, board models from Sigrity PowerSI or Clarity 3D Solver, interposer models from XtractIM or Voltus, and chip power models from Voltus.

Figure 1. 3D-IC PDN design and analysis phases

3D-IC Chip-Centric Signoff

The integration of Integrity 3D-IC and Voltus enables chip-centric early analysis and signoff. Figure 2 and Figure 3 highlight the chip centric early PI optimization and signoff flows. In early analysis, the on-chip power networks are synthesized, and the micro bumps and TSVs can be placed and optimized. In the signoff stage, all the detailed design data is used for power analysis, and detailed models are extracted and used for package, interposer, and on-die power networks.

Figure 2. Early chip-centric PI analysis and optimization flow

Figure 3. Chip-centric 3D-IC PI signoff

Hierarchical 3D-IC PI Analysis

To improve the capacity and performance of 3D-IC PI analysis, Voltus enables hierarchical analysis using chiplet models. Chiplet models can be reduced chip models in spice format or more accurate xPGV models which are highly accurate proprietary models generated by Voltus. With xPGV models, the hierarchical PI analysis has almost the same accuracy as flat analysis but offers 10X or higher benefit in runtime and memory requirements.

Conclusion

This blog has highlighted the major design trends enabled by advanced 3D packaging and the design challenges arising from these advancements. The design of power delivery networks is one of these major challenges. We have discussed Cadence solutions to overcome this PI challenge. To learn more, view our recent webinar, "Addressing 3D-IC Power Integrity Design Challenges" and visit the Voltus web page.

Power and Ground rings are exposed rings of metal surrounding a die that supply power/ground to the die and create a low-impedance path for the current flow. These rings ensure stable power distribution and reduce noise. Allegro X Package Designer Plus has a utility called Power/Ground Ring Generator which lets you define and place one or more shapes in the form of a ring around a die.

 To run the PWR/GND Generator Wizard, go to Route > Power/Ground Ring Generator or type "pring wizard" in the APD command window to invoke the Wizard.

This Wizard lets you define and place one or more shapes in the form of a ring around a die. The Power/Ground Ring Wizard creates up to 12 rings (shapes) at a time. If you require more rings, you can run the Power/Ground Ring Wizard as many times as needed. This command displays a wizard in which you can specify:

• The number of rings to be generated
• The creation of the first ring as a die flag (Die flag is the boundary of the die like the power ring.)
  • If you create a die flag and the first ring is the same net as the flag, you can enter a negative distance to overlap the ring and the die flag.
• Multiple options for placement of the rings with respect to:
  • Origination point
  • Distance from the edge of the die
  • Distance from the nearest die pin on each die side
• The reference designator of the die with which the rings will be used
• The distance between rings
• The width of each ring
• The corner types on each ring (arc, chamfer, and right-angle)
• An assigned net name for each ring
• A label for each ring

The rings are basic in nature. For other shape geometries or split rings, choose Shape > Polygon or Shape > Compose/Decompose Shape from the menu in the design window.

Depending on the options selected, the Power/Ground Ring Wizard UI changes, representing how the rings will be created. Verify the Wizard settings to ensure that the rings are created as intended.

1. When the Power/Ground Ring Wizard appears, set the number of rings to 2, accept the other defaults, and click Next. You can set Create first ring as die flag to create a basic die flag.

         2. Define Ring 1 and the net associated with it.

              a) Browse and choose Vss in the Net Names dialog box.

            b) Click OK.

            c) Specify the label as VSS.

            d) Click Next.

             The first ring should appear in your design. It is associated with the proper net; in this case, VSS.

2. For the second ring, choose the net as Vdd and specify the label as VDD.
3. Click Next.
4. Click Finish in the Result Verification screen to complete the process.

The completed rings appear as shown below.

Now, when you click on Power and Ground Die Pin and add wirebonds, you will see that the wirebonds are placed directly on the Power and Ground rings.

Using the EMX solver, X-FAB design engineers can efficiently develop next-generation RF technology for the latest communication standards (including sub-6GHz 5G, mmWave, UWB, etc.), which are enabling technologies for communications and electric vehicle (EV) wireless applications. (read more)

Hello everybody,

As you can find in the attached image, I am trying to simulate a Colpitts oscillator. However, using pss analysis it shows a high output power. 

My question is where is the problem of my structure or simulation setup?

Best,

This blog introduces the new Voltus-XFi Custom Power Integrity Solution, a transistor-level EM-IR tool that enables designers to complete comprehensive analysis and debugging easily and quickly.(read more)

The traditional methods of power analysis lag by various shortcomings and challenges:

• Getting an accurate measure of RTL power consumption during design exploration
• Getting consistent power through the design progress from RTL to P&R.
• System-level verification tools are disconnected from the implementation tools that translate RTL to gates and wires.

The Cadence Joules RTL Power Solution closes this gap by delivering time-based RTL power analysis with system-level runtimes, capacity, and high-quality estimates of gates and wires based on production implementation technology. The Cadence Joules RTL Power Solution is an RTL power analysis tool that provides a unified engine to compute gate netlist power and estimate RTL power. The Joules solution delivers 20X faster time-based RTL power analysis and can analyze multi-million instance designs overnight, with impressive accuracy within 15% of signoff power.

Moreover, it integrates seamlessly with numerous Cadence platforms, eliminating compatibility and correlation issues! In addition, the Joules RTL Power Solution GUI (Graphical User Interface) helps you analyze/debug the power estimation/results using several GUI capabilities.

Want to take a tour of this power estimation world? Gear up to attend the training class created just for you to dive deep into the entire flow and explore this exciting power estimation method/flow with hands-on labs in two days!

Training

In the Joules Power Calculator Training course, you will identify solutions and features for RTL power using Cadence Joules RTL Power Solution. You will set up and run the RTL power flow with Joules RTL Power Solution and identify Joules's Graphical User Interface (GUI) capabilities. The training also explores how you can estimate power using vectorless power, stimulus flow, RTL Stim to Gate flow, and replay flow, and also interfaces Joules with Cadence's Palladium Emulation Platform. You will estimate power at the chip level and understand how to navigate the design and data mining using Joules.

The training also covers power exploration features and how to analyze ideal power and ODC-driven sequential clock gating. You will identify low-activity registers at the clock gate. You will also identify techniques to analyze power, generate various reports, and analyze results through Joules GUI. The training covers multiple strategies to debug low stimulus annotation and how you can better correlate RTL power with signoff. You also identify Genus-Joules Integration. In addition, we ensure that your learning journey is smooth with hands-on labs covering various design scenarios.

Lab Videos

To start you on your exciting journey as an RTL power analysis expert, we have created a series of short channel lab videos on our Customer Support site: Lab Demo: Setting Up and Running Basic RTL Power Flow in Joules RTL Power Solution (Video). You can refer to each lab module's instructions in demo format. This will help accelerate your tool ramp-up and help you perform the lab steps more quickly if you are stuck. You might be a beginner in the RTL power analysis world, but we can help you sail through it smoothly.

What's Next?

Grab your badge after finishing the training and flaunt your expertise!

Related Training

• Genus Low-Power Synthesis Flow with IEEE 1801
• Low-Power Synthesis Flow with Genus Stylus Common UI

Related Blogs

• Do You Want to Flaunt Your Expertise? Grab the Digital Badge Today!
• Become Cadence Certified
• Let's Replay the Process of Power Estimation with the Power of 'x'
• Let's Discover the Secret to Enhance Design's PPAC in a Single Cockpit
• What's Inside Joules Graphical User Interface
• Joules – Power Exploration Capabilities

Power efficiency is a critical factor in the fast-evolving world of semiconductor design.

The IEEE 1801 standard, also known as UPF (Unified Power Format), was developed by the IEEE to address the intricate challenges associated with power management in contemporary semiconductor designs. This standard offers a uniform framework for defining power domains, power states, and power intent, ensuring consistency across diverse tools and phases of the design process. By utilizing UPF, you can precisely model and regulate power consumption, a critical aspect for battery-operated devices, high-performance computing, and energy-efficient designs.

The key concepts of IEEE 1801 are:

1. Power domains
2. Power states
3. Power gating and isolation
4. Power switches
5. Level shifters, isolation, and retention cells
6. Macro model

Based on these building blocks, you write the power intent of the design.

The power intent for the design includes identifying/implementing low-power strategies that provide a clear description of the power architecture of a design.

The power definitions can effectively manage power consumption and ensure the chip meets its power and performance requirements.

You can start by creating the Power Supply Network, which defines how power is supplied to the design's various power domains and logic cells.

What's the next step to build the file? How do you understand the various concepts related to IEEE 1801? How do you complete the rest of the power intent file?

Relax!

Gear up to attend the training class created just for you to dive deep into the entire format and explore this exciting power specification method/format with hands-on labs in one day!

Training

Fundamentals of IEEE 1801 Low-Power Specification Format Training

This course is a complete tutorial for understanding the fundamentals of IEEE 1801 low-power specification format concepts. You learn about IEEE 1801 power supply networks, ground ports and nets, creating and connecting supply ports/nets, power domain, power switch, power states, defining isolation and level shifter strategies, hierarchical IEEE 1801, and various versions of the IEEE 1801. You also explore how power intent information can be used for a design across various flow stages, such as functional verification, synthesis, logic equivalency checking, place-and-route, test, timing signoff, power integrity, and so forth, using Cadence^® tools.

Labs

We ensure that your learning journey is smooth with hands-on labs covering various design scenarios.

Lab Videos

Now, the exciting part is that to help you further, we have created engaging videos of the training labs. You can refer to the lab module's instructions in demo format at https://support.cadence.com.

Lab Demo: Checking Power Supply Network in IEEE 1801 format and Running IEEE 1801 Quality Checks using Conformal Low Power

Lab Demo: Checking Power Intent for The Macro Connections in IEEE 1801 Format And Running IEEE 1801 Quality Checks using Conformal Low Power 

Online Class

Here is the course link.

Get ready for the most thrilling experience with Accelerated Learning!

The more you know, the faster you go!

Grab the cycle  or hike it, based on your existing knowledge.

Take the quiz and increase your learning pace!!

What's Next?

Grab your Badge after finishing the training and flaunt the expertise you have built up. 😊

Ready to take a tour of this power specification world? Let's help you enroll in this course.

We organize this training for you as a "Blended" or "Live" training. Please reach out to Cadence Training for further information. If you want to ensure you are always the first to know about anything new in training, you can use the SUBSCRIBE button on the landing page to sign up for our regular training newsletters.

Related Short Training Bytes/Videos

Enhance the learning experience with short videos:

Genus Synthesis Solution: Video Library

 Joules RTL Power Solution: Video Library

Related Training

 Low-Power Synthesis Flow with Genus Synthesis Solution

Genus Low-Power Synthesis Flow with IEEE 1801

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.Beat Equatorial Guinea 3-0 in Malabo Ghana moved a step closer to ending their 33-year wait for another Africa Cup of Nations title after defeating hosts Equatorial Guinea 3-0 in the 2015 tournament’s second semi-final, played in Malabo on Thursday night. The Black Stars, who claimed a deserved and comprehensive victory thanks to goals from the Ayew brothers and Mubarak Wakaso, will now face Ivory Coast in the championship match on Sunday. The Elephants themselves have not won the AFCON trophy since 1992. There was little action of note for most of the first half, with neither side really able […]

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HAVANA — Rafael strengthened Wednesday into a powerful Category 3 hurricane ahead of its expected landfall in western Cuba, where it was forecast to bring "life-threatening" storm surges, winds and flash floods.  The storm, which knocked out power and dumped rain on the Cayman Islands and Jamaica, is expected to hit the Isle of Youth in the coming hours and make landfall later on Wednesday.  Classes and public transport were suspended on parts of the island as authorities issued an alarm for the incoming weather for the west of the country. Workers secured buildings and cleaned up garbage along Havana's coastline in preparation for floods. Authorities also canceled flights in certain areas like Havana and Varadero. Thousands of people in the west of the island were evacuated as a prevention measure.  "Preparations to protect life and property should be rushed to completion," warned the National Hurricane Center in Miami.  The storm was located about 65 kilometers (40 miles) east-southeast of the Isle of Youth and around 135 kilometers (84 miles) south-southeast of Havana. It had maximum sustained winds of 185 kph (115 mph) and was moving northwest at 22 kph (14 mph), according to the National Hurricane Center in Miami.  Forecasters expected the storm to later weaken over Cuba, but emerge in the southeastern Gulf of Mexico as a hurricane.  Cubans have already been struggling with blackouts while recovering from another hurricane two weeks ago that killed at least six people in the eastern part of the island.  The U.S. State Department issued an advisory for Cuba on Tuesday afternoon, offering departure flights to non-essential staff and American citizens, and advising others to "reconsider travel to Cuba due to the potential impact of Tropical Storm Rafael."  On Tuesday morning, the Cuban Civil Defense called on Cubans to prepare as soon as possible, because when the storm makes landfall "it's important to stay where you are."  Silvia Perez, a 72-year-old retiree living in a coastal area of Havana, was among those scrambling to prepare. As other neighbors moved appliances and other furniture from ground floor homes, worried about floods, Perez stocked up on water and food.  "This is a night I don't want to sleep through, between the battering air and the trees," Perez said. "I'm scared for my friends and family."  A hurricane warning was in effect on Wednesday for a portion of the Cayman Islands and the Cuban provinces of Pinar del Rio, Artemisa, La Habana, Mayabeque, Matanzas and the Isle of Youth.  A tropical storm warning was in effect for the Cuban provinces of Villa Clara, Cienfuegos, Sancti Spiritus and Ciego de Avila, as well as the lower and middle Florida Keys from Key West to west of the Channel 5 Bridge, and Dry Tortugas.  The storm on Tuesday knocked out power in parts of Jamaica and unleashed flooding and landslides. The Jamaica Public Service, the island's electricity provider, said in a statement late Tuesday that impassable roads were preventing crews from restoring power in some areas.  Power outages were reported across the Cayman Islands after a direct hit late Tuesday, and schools remained closed on Wednesday.  "While conditions have improved on Grand Cayman, residents are advised to exercise extreme caution on the roads and near coastlines as rough seas and residual flooding risks may persist," the government said in a statement.  Heavy rainfall also was expected to spread north into Florida and nearby areas of the southeast U.S. during the middle to late part of the week. The Hurricane Center predicted storm surges in Florida could reach 1 to 3 feet in Dry Tortugas and 1 to 2 feet in the Lower Florida Keys. A few tornadoes also were expected Wednesday over the Keys and southwestern Florida.  Rafael is the 17th named storm of the season.  The National Oceanic and Atmospheric Administration predicted the 2024 hurricane season was likely to be well above average, with between 17 and 25 named storms. The forecast called for as many as 13 hurricanes and four major hurricanes.  An average Atlantic hurricane season produces 14 named storms, seven of them hurricanes and three major hurricanes. 

Hurricane Rafael has knocked out Cuba’s electric service after hitting the island Wednesday as a Category 3 storm, blowing down trees and utility towers in an island nation still reeling from earlier storms and recent power failures. In its latest report Thursday, the U.S. National Hurricane Center said the storm is 320 kilometers west-northwest of Havana and it had weakened to a Category 2 storm, with maximum sustained winds of about 155 km per hour. The storm is still expected to continue bringing heavy rains to the island Thursday, raising the threat of mudslides at higher elevations. The hurricane center said the storm made landfall in Cuba’s western Artemisa province Wednesday afternoon. More than 70,000 people were evacuated from their homes in Artemisa and neighboring Pinar del Rio province. State newspaper Granma said airports in the western part of the country, including in Havana and the resort town of Varadero, had been temporarily closed because of the storm. By Thursday morning, the newspaper reported power was being restored in the central and eastern parts of the country. Rafael was the latest blow to the communist-run country's already precarious electrical grid, which just two weeks ago collapsed multiple times, leaving many in the country without power for days. The Energy and Mines Ministry said it had already begun work to reconnect the national grid late Wednesday but warned that the process would be slower in western parts of the island, which were hardest hit by the storm. Rafael had knocked out power and dumped heavy rain on the Cayman Islands and Jamaica earlier in the week. Forecasters said Rafael is expected to move to the west later Thursday through the weekend. They said the storm should remain a hurricane for the next couple of days as it moves over the southern Gulf of Mexico and then weaken to a tropical storm by Saturday. No new watches or warnings have been posted for populated areas. Some information for this report was provided by The Associated Press, Reuters and Agence France-Presse.

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