Typhoons

GPM IMERG Analyzes Rainfall from Powerful Typhoon Prapiroon

The image above shows estimates of accumulated rainfall using IMERG (Integrated Multi-satellitE Retrievals for GPM) data formed during the period from June 28-July 6, 2018. Typhoon PRAPIROON developed in the northwest pacific Ocean east-northeast of the Philippines on June 28, 2018. PRAPIROON became a typhoon on July 2nd as it approached the Korea Strait between Japan and Korea. Stormy weather had already produced heavy rainfall in Korea and Japan before typhoon PRAPIROON moved through the area. IMERG estimates indicated that PRAPIROON and other stormy weather dumped over 512 mm (20.2 inches)

GPM Sees Jelawat Becoming A Typhoon

Tropical storm JELAWAT intensified as expected and was upgraded to typhoon JELAWAT yesterday. Today JELAWAT has continued to rapidly intensify and maximum sustained wind speeds in the typhoon were estimated at 115 kts (132 mph). The GPM core observatory satellite had an excellent view of rapidly intensifying tropical storm JELAWAT on March 29, 2018 at 1546 UTC. JELAWAT had wind speeds of about 60 kts (69 mph) when GPM passed over head. An eye hadn't formed yet but rain bands were wrapping around JELAWAT's well established center of circulation. GPM's radar (DPR Ku Band) revealed that rain was

Damrey's Heavy Rainfall Examined Using IMERG Data

Typhoon Damrey originated as a tropical depression over the Philippines on October 31, 2017. Damrey intensified while moving westward over the South China Sea and became a typhoon on November 3, 2017. Typhoon Damrey hit Vietnam's south central coast the next day with sustained winds of about 75 kts (~86 mph). Torrential rainfall led to deadly flooding. As much as 580 mm (22.8 inches) of rain was reported near the coast well north of where typhoon Damrey came ashore. The Vietnamese government reported that Damrey was responsible for 89 deaths. This rainfall accumulation analysis was derived

Intensifying Typhoon Damrey Threatens Vietnam

Typhoon Damrey has been increasing in intensity since forming in the South China sea west of the Philippines on November 1, 2017. Damrey has moved westward through the South China Sea and is now threatening southern Vietnam. The GPM core observatory satellite passed above Damrey on November 3, 2017 at 0118 UTC when the typhoon's winds had reached about 65 kts (75 mph). The satellite's Microwave Imager (GMI) and Dual Frequency Precipitation Radar (DPR) instruments collected data showing the locations of rainfall within the typhoon. Damrey's center of circulation was evident but the typhoon didn

GPM Observes Another Typhoon That May Threaten Japan

The GPM core observatory satellite passed above recently formed tropical storm Saola on October 24, 2017 at 0210 UTC. Tropical storm Saola was located west of Guam and was moving toward the northwest. Very heavy rainfall was measured by GPM's Microwave Imager (GMI) and Dual-Frequency Precipitation Radar (DPR) instruments in powerful convective storms to the southwest of Saola's center. GPM's radar (DPR Ku band) found that some storms in this cluster were dropping rain at a rate of greater than 252 mm (9.92 inches) per hour. This 3-D view of the powerful storms southwest of Paola's center of

GPM Examines Deadly Typhoon Lan

Typhoon Lan caused flooding, landslides and the death of at least seven people when it hit Japan early Monday morning. The powerful typhoon was accompanied by high winds and extremely heavy rainfall. Rain totals of 800 mm (31.5 inches) were reported in parts of south central Honshu. Wind speeds of over 106 kts (121.9 mph) were also reported. On October 22, 2017 at 0556 UTC the "core" satellite of the Global Precipitation Measurement (GPM) mission had an excellent view of Lan as the typhoon was approaching Japan. Data collected by GPM's Microwave Imager (GMI) and Dual-Frequency Precipitation

GPM Sees Intensifying Typhoon Lan Heading Toward Japan

Tropical depression twenty five (TD25W) formed in the western Pacific Ocean west of Yap on October 15, 2017. After that the intensifying tropical cyclone moved into the Philippine Sea. Tropical storm Lan recently moved toward the north and was upgraded to typhoon Lan. Maximum sustained wind speeds today (October 19, 2017) were estimated to have reached 75 kts (~86 mph). This wind speed makes it a category one on the Saffir-Simpson hurricane wind scale. Extremely warm ocean waters (30-31 degrees Celsius) along Lan's path are providing fuel for further intensification. On October 18, 2017 at

GPM Examines Typhoon Talim's Large Eye

The GPM cored observatory had another outstanding view of typhoon Talim in the western Pacific Ocean on September 13, 2017 at 1537 utc. A large eye was Talim's most distinctive feature. GPM's Microwave Imager (GMI) and Dual-Frequency Precipitation Radar (DPR) showed the location of intense rainfall within Talim's distinct eye wall. DPR revealed that rain was falling at a rate of over 232 mm (9.13 inches) per hour in convective storms in the western side of the typhoon's eye wall. GPM also showed that rainfall was far weaker to the the east of Talim's center. This dramatic 3-D view of Talim's

GPM Sees Typhoon Talim Threatening Islands Of Japan

The Joint Typhoon Warning Center (JTWC) predicts that typhoon Kalim in the western Pacific Ocean will intensify and threaten the islands of southern Japan in the the new three days. Environmental conditions such as low vertical wind shear and warm sea surface temperatures are favorable for Talim's intensification. Talim's winds are expected to increase to a peak of 115 kts as it re-curves toward the the Japanese island of Kyushu. The GPM core observatory satellite scanned the western side of typhoon Talim on September 13, 2017 at 0216 UTC. GPM's Microwave Imager (GMI) instrument collected data