NASA-NOAA satellite tracking Super Typhoon Mangkhut
Super Typhoon Mangkhut strengthened into a Category 4 storm with sustained winds of 155mph. The National Weather Service predicts further intensification to Category 5 by Wednesday and Thursday.
Weather Forecasting
Articles tagged with Weather Forecasting
NASA tracking Hurricane Olivia's track toward Hawaii
Hurricane Olivia is expected to affect Hawaii with strong winds and heavy rainfall, according to NASA. The Central Pacific Hurricane Center has issued Tropical Storm Warnings for Maui County and a Tropical Storm Watch for Oahu.
NASA sees Tropical Storm 27W moving through Luzon Strait
Tropical Storm 27W is forecast to intensify over the next three days before making landfall on Sept. 13 over China's Luichow Peninsula. The storm will then emerge into the Gulf of Tonkin, making a final landfall north of Hanoi, Vietnam.
New approach could help improve severe-storm forecasting
A new approach using a geostationary hyperspectral infrared sounder can significantly improve local severe-storm forecasting by providing high-resolution atmospheric temperature and humidity information. This unprecedented data is crucial for nowcasting and forecasting high-impact weather events.
NASA Finds a less elongated potential Tropical Cyclone Six
NASA's Suomi NPP satellite captured an infrared image of Potential Tropical Cyclone Six, revealing a circulation that is gradually becoming less elongated. A Tropical Storm Warning has been issued for the southern Cabo Verde islands as the storm strengthens and is expected to become a tropical storm later today or Saturday.
NASA looks at fluctuating strength of Tropical Storm Lane
Tropical Storm Lane underwent significant changes in its strength after being analyzed by NASA's Aqua satellite on August 27. The storm showed powerful thunderstorms east of its center but weakened due to wind shear, only to regain tropical storm status later that day.
GPM sees Hurricane Lane threatening Hawaiian islands with heavy rainfall
The GPM core observatory satellite analyzed rainfall rates and cloud heights of Hurricane Lane on Aug. 22, revealing very heavy rain occurring within the storm's eye wall. The satellite showed moderate to heavy rainfall extending outward from the storm's center, posing a threat to the Hawaiian Islands with powerful storms.
NASA finds Tropical Storm Bebinca moving over Laos, Thailand
Tropical Storm Bebinca's strong storms lingered within its weakening center, with cloud top temperatures as cold as minus 70 degrees Fahrenheit. The storm is forecast to track further inland across Laos and northern Thailand before dissipating.
NASA sees Tropical Storm Rumbia off China's East Coast
Tropical Storm Rumbia was tracked by NASA's Aqua satellite on August 16, showing large storm areas in the northern and southern quadrants. The storm had maximum sustained winds near 40 knots and was forecast to make landfall near Shanghai, prompting a yellow warning from China's National Meteorological Center.
NASA gets an infrared view of Tropical Storm Hector
Tropical Storm Hector has two areas of strong convection with cloud top temperatures as cold as minus 70 degrees Fahrenheit, indicating a high potential for heavy rain. The storm is moving west-northwest towards the Johnston Island Atoll at maximum sustained winds of near 40 mph.
Multimodel ensemble prediction of summer droughts over the Yellow River Basin
Researchers improved soil moisture drought forecasting over the Yellow River Basin by combining climate and land surface hydrology models, achieving higher probabilistic drought forecasting skill and reliability. The multimodel ensemble approach provides valuable information for drought adaptation in this region.
NASA eyes Tropical Storm Kristy's strong core
Tropical Storm Kristy has a strong core with cloud top temperatures as cold as minus 70 degrees Fahrenheit, indicating powerful storms capable of heavy rain. The storm is moving north-northeast at 9 mph, with a turn expected later today and gradual weakening by Saturday.
NASA sees major Hurricane Hector moving south of Hawaii
Hurricane Hector maintains its major hurricane status as it moves south of Hawaii, with cloud top temperatures indicating strong storms capable of creating heavy rain. The National Weather Service predicts tropical storm conditions and large surf along the Big Island and Maui, prompting monitoring from interests in Johnston Island.
NASA-NOAA's Suomi NPP satellite find Typhoon Shanshan near Japan's coast
Typhoon Shanshan was located near 34.5 degrees north latitude and 141.3 degrees east longitude, about 92 nautical miles east-southeast of Yokosuka, Japan, with maximum sustained winds near 70 knots. The storm is forecast to curve northeast and move away from the Big Island.
Hector weakens but remains Category 4 Hurricane
Hurricane Hector remains a Category 4 storm despite slight weakening, threatening the Big Island of Hawaii with hurricane-force winds and large swells. The storm is expected to pass 165 miles south of the island on Wednesday, bringing tropical storm force winds and potentially hazardous conditions.
NASA gets an infrared 'baby picture' of Tropical Storm Kristy
Tropical Storm Kristy formed in the Eastern Pacific Ocean on August 7th. Infrared data from NASA's Aqua satellite revealed strong storms at the storm's center, indicating its potential intensity.
Typhoon Shanshan caught by NASA-NOAA's Suomi NPP satellite
Typhoon Shanshan maintained an eye despite weakening due to NASA-NOAA's Suomi NPP satellite capture. The storm weakened on August 6, with deep convection diminishing and eyewall and rain bands becoming less organized.
NASA gets an infrared look at intensifying Tropical Storm Ileana
Tropical Storm Ileana is intensifying off the coast of Mexico, with cloud top temperatures reaching minus 80 degrees Fahrenheit. The National Hurricane Center predicts heavy rain and flash flooding in coastal areas, with possible isolated maximum amounts of 6 inches.
NASA data shows Tropical Storm John intensifying
Tropical Storm John strengthened off southwestern Mexico's coast, with cloud top temperatures indicating strong storms capable of heavy rain. The storm is forecast to become a hurricane and produce life-threatening ocean conditions along the Mexican coast.
NASA finds power in Tropical Storm Shanshan's center
Tropical Storm Shanshan has triggered warnings in the Marianas Islands due to powerful storms detected by NASA's Terra satellite. The storm is forecast to intensify and move towards Japan, with maximum sustained winds at 50 mph.
Radar better than weather balloon for measuring boundary layer
Researchers developed a more comprehensive method for measuring the Earth's boundary layer depth using radar, which constantly ebbs and flows. This improvement in accuracy can lead to better forecasts for severe weather events, air pollution, and wildfire forecasting.
Arctic cyclone limits the time-scale of precise sea-ice prediction in Northern Sea Route?
Researchers found that Arctic cyclones limit precise sea-ice prediction in the Northern Sea Route due to increased forecast error for large-scale weather features. The TOPAZ4 system, however, was reliable for early summer SIT prediction with a skill level up to 3 days.
NASA satellite shows Son-Tinh's swan song
Tropical Depression Son-Tinh was located near 21.9 degrees north latitude and 109.0 degrees east longitude, about 181 nautical miles east-northeast of Hanoi, Vietnam. The satellite image captured on July 24 shows the depression's movement towards west, indicating it will dissipate over mainland China in the next day or two.
NASA eyes Tropical Storm Son-Tinh affecting Hainan Island, China
Tropical Storm Son-Tinh continues to drop rain over Hainan Island and mainland China. The storm has tracked northward at 4 knots and appears to have entered a quasi-stationary state.
NASA-NOAA's Suomi NPP satellite catches Tropical Depression Ampil over Eastern China
Tropical Depression Ampil was located near 37.1 degrees north latitude and 118.2 degrees east longitude on July 2. The storm moved to the north at 17 mph and was forecasted to track back over land in eastern China.
More category 5 hurricanes forecasted by scientists
Researchers at Chapman University found that African dust storms can contribute to the development of larger, more powerful hurricanes like Hurricane Sandy. The study, published in IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, aims to improve forecasting for extreme weather events.
How does the sun's rotational cycle influence lightning activity on earth?
A team of researchers found that the sun's rotational cycle influences lightning activity in Japan, with peaks every 24 to 31 days. The solar cycle affects the level of solar activity, which amplifies the rhythm of lightning activity.
Study forecasts growth rates of loblolly pine trees
Researchers at Virginia Tech used ecological forecasting to predict future growth rates of loblolly pine trees, showing a potential 30% increase in productivity by the middle of the century. The study focused on planted loblolly pine plantations in the Southeastern United States and highlighted uncertainties depending on specific regions.
NASA spots Typhoon Maria's ragged eyewall replacement
Typhoon Maria's ragged eyewall is a result of eyewall replacement, where the smaller inner eyewall deteriorates and becomes replaced by a larger outer one. The storm is moving northwest towards Taiwan and China, continuing to weaken.
NASA-NOAA's Suomi NPP sees Typhoon Maria affecting Guam
Typhoon Maria brought heavy rain to Guam, with the National Weather Service issuing a Flash Flood Watch and Small Craft Advisory. The storm is forecast to continue intensifying over the next 24 hours, posing a threat of excessive rainfall and flash flooding.
NASA sees tenth tropical depression form in northwestern Pacific, Guam posts warnings
NASA's Aqua satellite detects Tropical Depression 10W, forecast to intensify into a typhoon. The system is expected to pass over the Marianas late Wednesday night or early Thursday, bringing tropical storm conditions and damaging winds to Guam.
NASA's IMERG examines flooding in southern Texas from tropical disturbance
A tropical disturbance brought extremely heavy rainfall to southern Texas, resulting in record-breaking flood levels. Over 15 inches of rain fell in Hidalgo County, with IMERG estimates indicating 21 inches fell in the northwestern Gulf of Mexico.
NASA's Terra satellite sees Tropical Depression Carlotta weakening over Mexico
Tropical Depression Carlotta has weakened into a remnant low pressure area while making landfall in southwestern Mexico. The storm was still producing heavy rainfall over the region before dissipating on June 19.
NASA finds Tropical Depression Carlotta's strong storms over Mexico, Eastern Pacific
Tropical Depression Carlotta has powerful storms in fragmented thunderstorms over mainland Mexico and the Eastern Pacific Ocean, with cloud top temperatures as cold as minus 70 degrees Fahrenheit. The National Hurricane Center forecasts heavy rainfall and life-threatening flash floods, especially in areas of higher terrain.
To forecast winter rainfall in Los Angeles, look to New Zealand in the summer
Scientists have discovered a new 'teleconnection' that predicts winter rainfall in California by analyzing sea surface temperatures in New Zealand during the summer. This discovery allows for more accurate precipitation predictions and has implications for drought forecasting and regional ecosystem management.
NASA finds Tropical Depression 04E's heaviest rains approaching Mexico's Coast
Tropical Depression 04E formed near Mexico's coast on June 14 and was analyzed by NASA's Aqua satellite, which detected the strongest storms in infrared light. The depression brought heavy rainfall to coastal cities, with forecasters predicting life-threatening flash floods and mudslides.
New method makes weather forecasts right as rain
Researchers from the University of Missouri developed a system that improves rainfall forecast accuracy by considering evaporation. This method uses dual-polarization radar to track raindrops and a model assessing atmospheric humidity, resulting in more accurate forecasts for locations 30 miles or more from National Weather Service radar.
NASA finds small strength in newly formed Tropical Depression 08W
NASA's Terra satellite captured an infrared image of Tropical Depression 08W revealing concentrated areas of strong storms near Taiwan. The storm is forecast to move northeast and exit Taiwan on June 15, affecting several regions with heavy rain and strong winds.
NASA finds heavy rainmaking thunderstorms in Hurricane Bud
NASA's Aqua satellite captures infrared data on Hurricane Bud, revealing very high and towering thunderstorms near land. The storms have cold cloud top temperatures of minus 80 degrees Fahrenheit, indicating strong uplift and potential for heavy rain.
Researchers investigate the correlation between wind and wave height in the Arctic Ocean
Researchers found an increase in high waves and winds in the Arctic Ocean due to melting sea ice. This increase poses a significant threat to safe navigation and coastal populations.
NASA sees strong storms in Tropical Depression 05W as it strengthened
Tropical Depression 05W briefly reached tropical storm status before weakening back to a depression. NASA's Aqua satellite captured infrared imagery showing the storm's strength and potential for heavy rainfall.
New theory finds 'traffic jams' in jet stream cause abnormal weather patterns
A new study from University of Chicago researchers finds that 'traffic jams' in the jet stream can cause abnormal weather patterns, such as blocking events. The research develops a mechanistic model to predict long-term weather patterns, including droughts and floods, by comparing the jet stream to highway traffic.
Scientists find inconsistencies and biases in weather forecasting system
Researchers found that the Unified Model's microphysics scheme produces unrealistic raindrop size distributions, affecting storm structures. The study emphasizes the importance of selecting the right microphysics scheme for accurate weather prediction.
NASA measures heavy US rainfall from space
NASA analyzed satellite data to measure heavy US rainfall, finding record amounts in the Mid-Atlantic region. The extreme precipitation led to severe flooding along several rivers, including Washington D.C.'s Potomac River.
How far to go for satellite cloud image forecasting into operation
Scientists successfully simulated FY-2D infrared cloud images using a high-resolution WRF regional numerical weather prediction model product and forward radiation transfer model RTTOV. The results show improved accuracy, with correlation coefficients greater than 0.5 in the first 24 hours.
NASA's GPM examines developing US severe weather
The GPM core satellite analyzed severe weather in the US, predicting a surge of spring tornadoes after a drought. Moisture-laden air from the Gulf of Mexico interacted with dry air, resulting in thunderstorms that spawned rotation and tornadoes.
General aviation pilots struggle to interpret weather forecast and observation displays
A study by Embry-Riddle Aeronautical University researchers found that general aviation pilots had difficulty understanding various types of weather information, including METAR reports and radar displays. The findings suggest that improved pilot training and more effective weather display designs could help advance aviation safety.
Using the past to predict the future: climate change impacts on the sagebrush sea
Researchers used thousands of observations to find that sagebrush grows at cold sites after warm years but dies at hot sites. The study predicts that populations may decline in warmer areas but increase in colder areas.
Forecasting the 'whether' with computer modeling
University of Pittsburgh researchers are developing computer models to predict world events such as famine in South Sudan and refugee displacement. The models will analyze complex socioeconomic and geopolitical dynamics, incorporating both numerical and textual data.
NASA sees Tropical Cyclone 16P develop
Tropical Cyclone 16P has developed over the Arafura Sea, located between Australia's north coast and New Guinea. The storm is moving east at 4.6 mph and is expected to intensify as it enters the Gulf of Carpentaria.
Theory of non-orthogonalization and spatial localization for convection-allowing ensemble forecast
Researchers proposed a local breeding of growing modes (LBGM) method to improve convection-allowing ensemble forecasting accuracy. The new method incorporates strong locality and horizontal inhomogeneity, resulting in greater ensemble spread and lower forecast RMSE compared to traditional methods.
An 'insider's look' at Tropical Cyclone 11S from NASA's Aqua Satellite
The Moderate Resolution Imaging Spectroradiometer detected coldest cloud top temperatures in the tropical cyclone, indicating strong storms capable of heavy rain. Tropical Cyclone 11S is expected to rapidly intensify due to warm waters and low vertical wind shear.
Flu forecasting system tracks geographic spread of disease
Researchers at Columbia's Mailman School developed a method to forecast the spatial transmission of influenza in the US, improving accuracy by 35% compared to previous versions. The system accurately predicts local onset of flu six weeks ahead of time, informing decisions on vaccine distribution and public health measures.
Distant tropical storms have ripple effects on weather close to home
Researchers at Colorado State University have developed an empirical model that accurately predicts atmospheric river activity in the western US three weeks in advance. This breakthrough could enhance long-term weather forecasting capabilities, allowing for earlier warnings of extreme precipitation, floods, and droughts.
NASA sees ex-Tropical Cyclone Gita affecting New Zealand
Ex-Tropical Cyclone Gita's northerly wind shear caused the storm to break apart, affecting New Zealand with gusty winds, ocean swells, and heavy rain. The storm brought severe weather watches and warnings, including state of emergency declarations in several regions.
NASA sees Tropical Storm 10S form along Western Australia Coast
Tropical Storm 10S has formed about 50 miles west of Broome, Australia, with maximum sustained winds near 40 mph. The storm is expected to strengthen rapidly and make landfall between Broome and Port Hedland on Sunday, Feb. 18.
NASA tracks Tropical Storm Sanba as it triggers Philippines warnings
Tropical Storm Sanba is approaching the Philippines, triggering warnings and warnings signal #2 in effect for Mindanao provinces. The storm's center was located 415 miles east of Zamboanga, moving west-northwest at 18.4mph.
Tropical Storm watch up in Guam, NASA sees 02W form
NASA's Terra satellite captured images of Tropical Depression 02W on Feb. 9, showing a developing low level circulation center with minimal convection. The National Weather Service has issued a Tropical Storm Watch for Guam and Yap State due to hazardous surf and rip currents.
NASA mission launched; will revolutionize our understanding of space weather
The GOLD mission provides unprecedented measurements of Earth's upper atmosphere, tracking day-to-day changes in temperature and composition. By imaging ultraviolet light, GOLD will create a map of the hemisphere revealing how these forces impact our technological society.
UK regional weather forecasts could be improved using jet stream data
New research from the University of Lincoln found that jet stream changes are significantly associated with UK regional rainfall and temperatures. The study suggests that using predictions of jet stream changes can produce more accurate seasonal weather forecasts on a smaller, regional scale.