Articles tagged with Weather Forecasting
Hurricane Blanca rapidly strengthens with a pinhole eye, expected to become major hurricane and potentially impact southern Baja California and mainland Mexico. Swells generated by the storm will cause life-threatening surf and rip current conditions along the coast of southwestern Mexico.
Hurricane Andres has weakened significantly due to unfavorable sea surface temperatures, with maximum sustained winds decreasing to near 105 mph. The storm is expected to become a tropical storm tonight or Wednesday, followed by a turn toward the north and a decrease in forward speed.
Hurricane Andres, a Category 4 hurricane, is affecting surf along Mexico's Baja California coast with life-threatening swells and rip currents. NASA's Aqua satellite provided critical data on the storm's eye structure and cloud top temperatures, helping forecasters predict its weakening trend.
The Karlsruhe Institute of Technology (KIT) has secured funding for two collaborative research centers (CRCs): one focused on wave phenomena in mathematics and the other on enhancing weather forecasting. The CRCs aim to analytically understand, numerically simulate, and manipulate wave propagation under realistic scenarios.
The US and Cuba have formed a groundbreaking meteorological partnership after a 20-year process, enabling the sharing of critical weather data and GPS monitoring equipment. This collaboration marks a significant improvement in forecasting accuracy for hurricanes and tropical storms, benefiting both countries.
The GOES-R satellite has begun environmental testing to simulate the harsh conditions of launch and the space environment. This includes vibration, acoustics, and temperature testing to ensure the satellite is properly protected from electromagnetic phenomena in space.
Researchers will use lab-equipped aircraft, ground-based instruments, and weather balloons to understand nighttime storm formation and evolution. The goal is to improve forecasts of damaging storms and provide insights into atmospheric conditions that lead to storm clustering and organization.
A team of UK scientists studied how changes in the stratosphere affect surface-level jet streams, storm tracks, and weather. The research highlights a series of global weather phenomena resulting from the 'coupling' between the stratosphere and troposphere, such as extreme temperatures over eastern North America.
NASA predicts more severe weather for the Midwest, including tornadoes, flash flooding, and strong winds. The storm system is expected to bring heavy rain and hail, with cold air masses indicating strong convective storms.
Tropical Cyclone Quang strengthened during the early morning hours of April 30, developing an eye and triggering warnings. The storm's sustained surface winds reached speeds of 67 mph, with strongest winds in the southern quadrant.
A University of Arizona team developed a new model that improves seasonal hurricane forecast accuracy for the North Atlantic and Gulf of Mexico by 23 percent. The model incorporates wind force on the ocean and sea surface temperature over the Atlantic, reducing El Niño's impact during warm AMO phases.
Tropical Cyclone Nathan strengthened with powerful thunderstorms known as 'hot towers', indicating a significant increase in intensity. The cyclone made landfall north of Cairns on March 19, bringing heavy rainfall and storm surges to the Cape York Peninsula.
RapidScat instrument captures data on Ex-Tropical Cyclone Pam's winds, revealing sustained tropical-storm-force winds southeast of its center. Winds over 30 meters per second were still occurring east of the center, prompting a Storm Warning for the Chatham Islands.
Tropical Cyclone Nathan is expected to make landfall in Queensland, Australia on March 20, bringing heavy rainfall and strong thunderstorms. NASA's Aqua satellite captured data showing temperatures near -63F/-52C, indicating strong storms with potential for heavy rainfall.
NASA's Aqua satellite and ISS-RapidScat instrument monitored storm Pam's structure and wind speed. The storm transitioned to an extra-tropical cyclone, with maximum sustained winds near 56 mph/90 kph.
Tropical Cyclone Pam is a powerful storm in the Southern Pacific Ocean, with hurricane-force winds affecting several provinces in Vanuatu. The storm's eye was captured by NASA's Aqua satellite, showing a 15 nautical mile wide eye just east of Vanuatu.
Tropical Cyclone Nathan is moving east and will track over warm water, leading to intensification in the next two days. The cyclone has slowed down and continued hugging the eastern coast of Queensland's Cape York Peninsula.
Tropical Cyclone Haliba forms in Madagascar's Southern Indian Ocean, affecting La Reunion and Mauritius islands with heavy rain and gusty winds. The storm is expected to move southeast over the next several days, intensifying before dissipating due to adverse environmental conditions.
The German Meteorological Service sponsors a new professorship to enhance numerical weather forecasting models. Researchers focus on the atmospheric boundary layer, a critical component in predicting extreme weather events like heavy rainfall and near-ground winds for wind farms and solar facilities.
A team of researchers analyzed a significant cold snap in March 2011, which led to unexpected intense snowfalls. By examining the episode, scientists improved short-term predictions and developed a better understanding of how to predict similar events in the future.
A stream of clouds and moisture associated with the 'Pineapple Express' is expected to bring rain and snow to the Pacific Northwest over several days. The system is expected to produce moderate to heavy rainfall totals in coastal areas, with some regions seeing up to 10 inches of rain.
Tropical Cyclone Eunice reached Category 5 status, with the Global Precipitation Measurement satellite capturing intense rainfall and thunderstorms. NASA's RapidScat instrument gathered wind speed data, revealing the strongest winds were on the storm's southwestern quadrant.
NASA's MODIS instrument captured images of Tropical Cyclone Diamondra and Eunice, combining them to create a single panorama. The storms are intensifying, with Cyclone Eunice expected to peak at 125 knots (143.8 mph) before weakening.
Researchers found that geo-stationary satellites can greatly improve air-quality forecasting by providing aerosol optical depth every hour in high resolution. Combining this data with low Earth-orbiting satellite data produces more detailed maps for improved forecasts.
A Tel Aviv University study prioritizes reasons for forecast failures across different regions, identifying man-made and natural factors such as land-use changes, topography, particles in the atmosphere, and population density. The researchers found unique factors affecting forecasts in various regions, including Europe, North Africa, ...
A strong nor'easter is developing in the Atlantic Ocean and will bring snowfall of 1-3 feet or more to parts of the Northeast. The storm system was captured in a NASA movie of NOAA's GOES-East satellite imagery, showing its progression from January 24 through 26.
Tropical Cyclone Niko was spotted moving southeast through the Society Islands by NASA's Aqua satellite on January 21. The storm remains compact but strengthening, with maximum sustained winds near 50 knots on January 22.
The GOES-R satellite will provide enhanced hurricane track and intensity forecasts, increased severe weather warning lead time, and improved solar flare warnings. The new satellite will also offer more frequent images of weather patterns and severe storms, contributing to more accurate and reliable weather forecasts.
A NASA/Goddard Space Flight Center satellite image on January 7, 2015, revealed a blanket of northern snow and lake-effect snow from the Great Lakes. The cold front brought Arctic air as far south as Florida and stretched back over the Gulf of Mexico.
Tropical storm Jangmi has weakened to a tropical depression as it moves into the Sulu Sea, affecting central and northern Philippines. The storm is expected to continue moving toward Palawan before re-strengthening into a tropical storm in the South China Sea.
Tropical Storm Jangmi is expected to bring strong winds and heavy rainfall to the Philippines as it moves westward through the Sulu Sea. NASA's Aqua satellite detected the storm on December 29, revealing a tightly wrapped low-level circulation centered near 10.0 north latitude and 124.2 east longitude.
Researchers at the University of Michigan's CYGNSS satellite system will offer improved wind speed and storm intensity forecasts. The system could reduce forecast errors by 9 knots or about 10 mph, which is a significant improvement considering hurricane strength categories increase every 20 mph.
NASA captured a visible image of Tropical Cyclone Bakung's elongated remnants on Dec. 5, showing low-level circulation and poorly defined storm system. The remnants were weakening due to unfavorable conditions with strong vertical wind shear, making redeveloping unlikely.
The University of Exeter has received a £1.1 million grant to fund pioneering research on seasonal weather forecasts across Europe. The team aims to advance current understanding of three key conditions influencing seasonal weather, including the North Atlantic upper-ocean heat content and Arctic sea-ice.
Tropical Depression 21W strengthens into Tropical Storm Sinlaku in the South China Sea, with NASA's Aqua satellite capturing an elongated image. Forecasters predict maximum sustained winds of up to 60 knots (69.0 mph/111.1 kph) before weakening.
Tropical Depression 21W made landfall in southern Philippines on Nov 26, with heavy rainfall warnings issued for several provinces. The storm is forecast to track westward along a high-pressure ridge before strengthening in the Sulu Sea.
Tropical Storm Adjali began curving to the southwest in the Southern Indian Ocean, with NASA's Aqua satellite capturing visible images of the storm. The storm is expected to weaken due to increased wind shear, cooler sea surface temperatures, and limited outflow.
A team from Los Alamos National Laboratory successfully monitored and forecasted influenza, dengue fever, and tuberculosis outbreaks worldwide. The study demonstrates the potential of using public health data to build an operational disease monitoring system.
The Extreme Ultraviolet and X-ray Irradiance Sensors (EXIS) Flight Model 2 instrument for NOAA's GOES-S satellite has successfully completed its Pre-Shipment Review. The instrument is now complete and will be placed into storage until spacecraft integration begins.
Scientists analyzed gravitational effects of the Moon on thermosphere to predict satellite collisions. Incorporating these results in atmospheric models can refine accuracy and keep satellites separate from space junk.
Tropical Cyclone 05B is forecast to make landfall in eastern India on November 9. The storm was tracked by NASA-NOAA's Suomi NPP satellite, which captured a visible image of the cyclone off India's coast.
Tropical Cyclone Nilofar weakened and was pushed northeast by strong southwesterly wind shear, resulting in the demise of the storm. The Moderate Resolution Imaging Spectroradiometer aboard NASA's Aqua satellite captured an image on October 31 showing the remnants of the cyclone's clouds and showers being pushed away from its center.
Tropical Cyclone Nilofar is being affected by strong southwesterly wind shear, causing clouds to be pushed away from its center. The storm is currently moving through the Arabian Sea with maximum sustained winds near 90 knots.
Cyclone Nilofar developed a massive 14-mile-wide eye that stared at NASA's Terra satellite on Oct. 28. The storm is forecast to make landfall in northwestern India, bringing heavy rains and strong winds.
Tropical Storm Vongfong continues to weaken as it approaches Japan, with NASA satellite data showing significant impact from westerly wind shear. The storm's structure is being affected by the strong winds, causing most of the clouds and showers to be pushed to the east.
NASA-NOAA's Suomi NPP and Aqua satellites monitored Typhoon Vongfong's weakening, showing strongest thunderstorms in the northern quadrant. The storm is now forecasted to spread out and become an extra-tropical storm, tracking over Japan's islands.
Tropical Cyclone Hudhud is expected to intensify and peak around 100 knots before landfall near Visakhapatnam late on Oct. 12, according to the Joint Typhoon Warning Center. The cyclone has tracked northwestward at 6 knots and is centered about 250 nautical miles southeast of the coast.
The new instrument will improve severe storm warning accuracy, detect lightning ground strike hazards, and provide early warnings for heavy rainfall and flash flooding. It will also enhance storm monitoring during radar outages or in areas with poor coverage.
NASA's Aqua satellite captured visible and infrared images of Super Typhoon Vongfong, revealing a Category 4 storm with two concentric eyewalls. The typhoon is expected to weaken slowly over several days, affecting Japan's islands.
Tropical Storm Phanfone shows fragmented bands of thunderstorms, with light to moderate rainfall and isolated heavy rain areas. NASA's TRMM satellite provides details on the storm's movement, intensity, and projected path.
Phanfone is now a threat to various islands, with warnings and watches in effect for Saipan, Tinian, Pagan, and Alamagan. The storm is moving west-northwest at 11 knots, with forecasters expecting it to intensify into a typhoon after passing through the Marianas Islands.
Tropical Depression Kammuri intensified on Sept. 24, with strong thunderstorms covering a long area within its elongated circulation. The storm's cloud-top temperatures reached -63F/-53C, potentially generating heavy rain.
Tropical Storm Odile continues to affect the US Southwest, bringing heavy rainfall and flash flood watches. The storm is predicted to weaken and potentially become a tropical depression by early Wednesday.
A new statistical model complements hurricane forecasting by showing the size of storms, not just wind speed. This metric allows forecasters to better assess the risk of hurricanes that make landfall.
Tropical Storm Kalmaegi intensified as NASA's Aqua satellite captured its visible image approaching the Philippines. The storm is expected to strengthen over the next couple of days and potentially become a typhoon by September 13.
Tropical Depression 16E is forecasted to dissipate and be absorbed by Tropical Storm Odile due to unfavorable influence of the larger storm. The depression is currently drifting northwest at 2 mph and will eventually turn east-southeast as it gets caught up in Odile's circulation.
A new study by University of Vermont scientists predicts increased precipitation and temperature in the Lake Champlain region, leading to more extreme weather events and potential flooding. The forecast suggests a rise in average temperatures by mid-century, with some ski resorts experiencing a 50% decline in annual snowfall.
Tropical Storm Fengshen is transitioning into an extra-tropical storm, with its clouds and winds extending northeast of the center. The Joint Typhoon Warning Center predicts it will move east-northeasterly over open waters for several days.
Hurricane Norbert's visible bands of thunderstorms spiraled into the center in NASA satellite imagery on September 4, but lost some organization due to easterly vertical wind shear. The hurricane is forecast to track parallel along the coast of Baja California for the next couple of days.
Typhoon Halong has reopened its eye after going through eyewall replacement, a sign of weakening winds. The storm is still powerful, with maximum sustained winds of 85 knots and rough seas.