Articles tagged with Weather Forecasting
Researchers at Karlsruhe Institute of Technology (KIT) discover that subsiding air parcels from the Atlantic Ocean, rather than hot air from the Sahara, are responsible for extreme hot spells in central Europe. This finding has significant implications for developing early warning systems and improving forecasts.
A new machine learning tool can analyze massive amounts of satellite data to detect significant features for space weather. The algorithm identifies patterns that humans may miss, enabling faster and more accurate forecasts.
Tropical Storm 07A develops with very high and powerful storms, with cloud top temperatures as cold as minus 80 degrees Fahrenheit. The storm is expected to move northwest and dissipate in a day or so, posing no significant threat to Mumbai, India.
Typhoon Kammuri continues to strengthen with a noticeable increase in its central dense overcast (CDO), indicating some strengthening of the storm. The storm's maximum sustained winds have increased to 85 mph, and it is forecast to make landfall in the central and northern Philippines on Dec. 3.
Tropical Storm Kammuri's powerful storms have been detected by NASA-NOAA's Suomi NPP satellite, with cloud top temperatures reaching minus 80 degrees Fahrenheit. The storm is forecast to intensify and potentially become a typhoon, posing a threat to Guam and the Northern Marianas.
Tropical Storm Kammuri is consolidating and strengthening, with maximum sustained winds reaching 45 mph. The storm will move west-northwest, potentially intensifying into a typhoon by Thursday. NASA's JPSS-1 satellite provides critical forecast data.
NASA used infrared data from its Aqua satellite to identify the storm's strongest areas, where coldest cloud top temperatures were recorded. The research indicates that these cold temperatures are indicative of strong storms capable of producing heavy rain.
Extra-Tropical Storm Sebastien has transitioned from a tropical storm, coupling with a cold front and headed for the United Kingdom. The storm is forecast to affect southern England, with potential for heavy rain and flooding over the next several days.
NASA's Terra satellite captured an image of Tropical Storm Fung-Wong, showing strong thunderstorms around its low-level center. The storm is moving north and weakening rapidly, with maximum sustained winds of 55 knots (63 mph/102 kph).
Tropical Storm Sebastien is being pushed towards becoming a hurricane due to strong winds and low pressure. NASA's Terra satellite has captured images showing the storm's clouds and showers have been displaced by wind shear, weakening its rotation.
NASA's Global Precipitation Measurement mission provides near-real-time rain estimates for Tropical Storm Sebastien, revealing moderate rainfall rates of up to 17.0 mm/hour east of the center. The storm is expected to become an extratropical cyclone in a couple of days and be absorbed by a cold front on Friday.
Tropical Storm Fung-Wong is becoming more organized and symmetrical, indicating strengthening. The storm is forecast to strengthen to 55 knots within 24 hours before weakening rapidly near Taiwan.
NASA's Aqua satellite captured an image of newly formed Tropical Storm Sebastien northeast of the Leeward Islands in the Atlantic Ocean. The storm is moving northwest at 8mph and may strengthen slightly over the next day.
Typhoon Kalmaegi is affecting the northern Philippines with signal warnings in effect. The NASA Terra satellite captured an image of the storm, revealing its oblong eye covered by high clouds. Forecasters predict the storm will weaken as it moves into the South China Sea.
NASA's Global Precipitation Measurement mission found light rain falling at a rate of 0.4 inches per hour in Tropical Depression 21E. The depression, which never matured into a tropical storm, is expected to dissipate by Nov 21.
Tropical Storm Raymond has strengthened and organized into a tropical storm, with winds reaching near 45 mph and estimated minimum central pressure of 1005 millibars. The system is expected to produce total rainfall accumulations of 2-4 inches across southern Baja California Sur, posing life-threatening flash flood risks.
Research Professor Quansong Tong at George Mason University has received two grants from the National Oceanic and Atmospheric Administration. He aims to incorporate VIIRS albedo data into EDA package and develop a new wind energy partitioning scheme for improved dust emission forecasts.
NASA's AIRS instrument detected coldest cloud top temperatures as cold as minus 63 degrees Fahrenheit around Fengshen's center, suggesting a strong storm. Forecasters expect Fengshen to continue strengthening and reach typhoon status, with maximum sustained winds near 65 mph.
Tropical Storm Fengshen strengthened in the Northwestern Pacific Ocean, with NASA's Terra satellite detecting very high-powered storms and cold cloud top temperatures circling the center. Infrared data indicates strong storms capable of generating heavy rainfall.
NASA's Global Precipitation Measurement mission reveals heavy rainfall rates near the eastern coast of the Central Philippines, exceeding 40 mm/hour. The tropical cyclone, Kalmaegi, is forecast to weaken and turn west-southwest before approaching the Gulf of Aden.
NASA's Global Precipitation Measurement mission captured heavy rainfall exceeding 1.6 inches per hour in Tropical Storm Fengshen. The storm is forecast to intensify through Friday and pass just north of Agrihan, with maximum sustained winds reaching 40 mph.
Researchers at Penn State combined geostationary satellites and traditional weather radar to create a system that produces the best forecasts for severe thunderstorms. The study found that assimilating satellite and radar data simultaneously leads to the most accurate predictions, with warning times increased by up to 40 minutes.
Typhoon Nakri intensified into a stronger typhoon after satellite imagery showed better organization and increased winds, moving westward towards Vietnam. The Joint Typhoon Warning Center expects landfall on Nov. 10 or 11, near Danang.
Tropical Storm Matmo is located in the center of the Bay of Bengal with maximum sustained winds near 63 mph. The storm will strengthen to 85 knots but weaken rapidly before making landfall just east of Kolkata on Nov. 9.
Tropical Storm Nakri, known as Quiel in the Philippines, has maintained strength with maximum sustained winds near 60 knots (69 mph/111 kph). The storm is forecast to cross the South China Sea and make landfall in Vietnam on Nov. 12, potentially affecting Kalayaan municipality.
Tropical Storm Nakri, also known as Quiel in the Philippines, has become better organized and more circular over the past 24 hours. Forecasters expect the system to intensify to 50 knots before making landfall in Vietnam on November 10.
Super Typhoon Halong has peaked in intensity and is now on a weakening trend, according to NASA-NOAA's Suomi NPP satellite. The storm's maximum sustained winds have decreased to 155 mph, with a gradual increase in forward speed expected by Saturday.
Tropical Cyclone Maha's shape is a key indicator of its strength. The storm's eroding structure, as observed by NASA-NOAA's Suomi NPP satellite, suggests it is weakening due to dry air inhibition.
The remnants of Tropical Cyclone Matmo are being monitored by NASA's Aqua satellite for signs of regeneration. Forecasters believe the low-pressure system has developed thunderstorms and is moving north towards Bangladesh.
Tropical Cyclone Maha was a powerful storm with the potential to generate heavy rainfall, as revealed by NASA's infrared analysis. The storm had maximum sustained winds near 100 knots and circling strongest storms at cloud top temperatures of minus 80 degrees Fahrenheit.
NASA's Terra Satellite captures Post-Tropical Cyclone Rebekah as a remnant low-pressure area, devoid of deep convection and strong thunderstorms. Rebekah is expected to weaken into a trough or elongated area of low pressure between 12-24 hours.
NASA's Aqua satellite analyzed cloud top temperatures to identify the strongest storms in Tropical Cyclone Maha, indicating a high risk of heavy rain over Lakshadweep Islands. The storm is forecast to move northwest and turn west into the central Arabian Sea.
NASA's Global Precipitation Measurement mission found a small area of heavy rain in Tropical Cyclone Kyarr, with rainfall rates reaching 1.6 inches per hour around the storm's center. The weakening storm is expected to dissipate before reaching Socotra Island.
Tropical Storm Maha has developed near the southwestern Indian coast and is strengthening, as indicated by its symmetrical shape. The storm's center is located approximately 848 nautical miles south-southeast of Karachi, Pakistan, with forecasted northwest movement over the next couple of days.
Tropical Storm Matmo is taking on a more rounded shape, indicating it's strengthening, and is expected to make landfall in central southeastern Vietnam. The storm's maximum sustained winds are near 46 mph with higher gusts.
Researchers developed an AI-based ozone forecasting system that can predict ozone levels with 85-90% accuracy. The model uses convolutional neural networks to analyze current conditions and forecast future ozone levels, improving health alerts for people at risk.
Tropical Cyclone Kyarr is a powerful storm with an organized eye, producing deep convection and strong thunderstorms. Forecasted to turn southwest and make landfall in Somalia, the cyclone's trajectory may be influenced by two large areas of high pressure.
NASA provided forecasters with an analysis of rainfall rates in Tropical Cyclone Kyarr, measuring rainfall at over 40 mm per hour. The storm's cloud top temperatures were as cold as minus 63 degrees Fahrenheit, producing heavy rain.
Tropical Storm Pablo formed on Oct. 25 and strengthened into a hurricane before weakening back into a tropical storm. NASA's satellite imagery captured the storm's formation and rapid changes, revealing a small-scale cyclone with well-defined winds within a larger low-pressure area.
Tropical Depression 17 formed over the Gulf of Mexico, with maximum sustained winds near 35 mph and a minimum central pressure of 1006 millibars. The depression is expected to merge with a cold front, bringing gale-force winds and heavy rainfall to the northern Gulf coast.
Tropical Storm Kyarr formed quickly near the southwestern coast of India, intensifying into a storm with heavy rainfall warnings and gale-force winds forecasted. NASA's Aqua satellite provided visible images revealing a large band of powerful thunderstorms circling the low-level center of circulation.
Typhoon Bualoi continues to move through the Northwestern Pacific Ocean, experiencing heavy rain around its eye, falling at a rate of over 50 mm/hour. Forecasters incorporate the rainfall data into their forecasts for updated hurricane weather information.
Typhoon Bualoi is expected to intensify through Thursday and then begin weakening as it moves in a northerly track. The storm's strong winds and heavy rain are a concern for the affected islands.
Typhoon Bualoi rapidly intensified over 24 hours, developing an eye and powerful thunderstorms. The storm's organization and strength were assessed using satellite imagery provided by NASA-NOAA's Suomi NPP satellite.
The Suomi NPP satellite captured night-time and infrared images of Tropical Storm Nestor on Oct. 18, revealing lightning, overshooting cloud tops into the stratosphere, and gravity waves. Powerful thunderstorms around the storm's center generated these waves in quick bursts.
Tropical Storm Neoguri has become more organized over the past 24 hours, according to NASA-NOAA satellite data. The storm was classified as a tropical depression for days before consolidation on October 18, and is expected to strengthen before weakening.
Tropical Storm Octave formed on Oct. 17 as a tropical depression in the Eastern Pacific Ocean, with cloud top temperatures reaching -70 degrees Fahrenheit. The storm is expected to weaken due to wind shear and movement out of the Intertropical Convergence Zone (ITCZ), forecasted to degenerate into a remnant low over the weekend.
NASA's Terra satellite captured an image of Tropical Depression Fifteen on Oct. 16, revealing its elongated shape and weakening circulation. The system had degenerated into a trough of low pressure, marking the end of its life cycle.
Subtropical Storm Melissa forms off the New England coast, bringing strong winds and coastal flooding to the mid-Atlantic region. The National Hurricane Center predicts gradual weakening over the next few days, with Melissa expected to lose its subtropical characteristics by Saturday night.
Typhoon Hagibis has weakened to a typhoon status after being a super typhoon, with NASA-NOAA's Suomi NPP satellite providing visible imagery of the storm. The image showed a cloud-filled eye surrounded by powerful thunderstorms and a large tail of clouds stretching along Japan's east coast.
Carnegie Mellon University has been designated as a CDC flu forecasting center of excellence, receiving $3 million in funding to develop more accurate forecasting tools. The new center will also explore how to effectively communicate forecast information to the public and leaders.
Tropical Storm Mitag was dropping heavy rainfall along South Korea's coastal areas, with light rain falling over the rest of the country. The Global Precipitation Measurement mission found heaviest rain in scattered areas over eastern and southern coasts.
Lorenzo has transitioned to an extra-tropical cyclone, bringing hurricane-force winds and heavy rainfall to Ireland and the United Kingdom. The GPM core satellite detected heavy rainfall north of the center, with rates reaching over 1 inch per hour.
Typhoon Mitag has pushed its clouds and precipitation north of its center, extending over the Korean Peninsula and southern Japan. The storm appears to be weakening due to this decoupling of deep convection from the center.
Hurricane Lorenzo, a very large tropical cyclone, is moving towards the northeast at 22 mph. The storm has grown in size, with hurricane-force winds extending up to 90 miles from its center.
A low-pressure system formerly known as tropical cyclone Narda is generating scattered light rain in the eastern side of its remnant clouds. Forecasters expect additional rainfall of up to 2 inches across parts of Chihuahua and Sonora, with moisture spreading northeastward across US Southern Plains.
Tropical Storm Narda is expected to produce heavy rainfall along Mexico's west coast, with potential accumulations ranging from 1-6 inches. NASA's Aqua satellite captured images of the storm, revealing deep convection and cloud tops colder than minus 80 degrees Celsius.
Typhoon Mitag continues to produce strong thunderstorms around its cloud-filled eye, affecting Taiwan and forecasted to graze China's east coast. The storm is at peak intensity, moving northwards with maximum sustained winds near 75 knots.
Hurricane Lorenzo attained Category 5 strength briefly, becoming the strongest hurricane on record in the eastern-most Atlantic Ocean. The Suomi NPP satellite provided infrared data that showed changes in the storm's eye and powerful thunderstorms, and mesospheric gravity waves were also observed.
Satellite images from NASA's Terra Satellite confirmed Hurricane Lorenzo as a major hurricane with a clear eye and solid structure of thunderstorms. The storm is moving north-northwest at 14 mph, with maximum sustained winds near 145 mph.