tropical storms

The TRMM satellite saw tropical storm Emily again on 4 August 2011 at 0122 UTC (9:22 PM EDT). An analysis of TRMM's Microwave Imager (TMI) and Precipitation Radar (PR) data showed that Emily was dropping heavy rainfall of over 50mm/hr (~2 inches) south of the Dominican Republic and produce some showers in Haiti. Life threatening flooding and landslides are possible as Emily moves slowly westward.

The National Hurricane Center (NHC) announced the formation of tropical storm Emily on 1 August 2011 at 2330 UTC (7:30 PM AST). The TRMM satellite flew over the storm a short time later on 2 August 2011 at 0137 UTC (9:37 PM AST). A rainfall analysis from TRMM's Microwave (TMI) and Precipitation Radar (PR) data is shown above. This analysis shows that relatively little rainfall was occurring near the storm's approximate center that is indicated by a red tropical storm symbol. Moderate rainfall was revealed in a large feeder band on the eastern side of the storm. Emily is predicted to move

The TRMM satellite showed that tropical storm Eugene was very well organized with heavy thunderstorms located south of a forming eyewall on 1 August 2011 at 1350 UTC. Eugene is expected to move to the northwest and stay off the Mexican coast as have all eastern Pacific tropical cyclones except Beatriz so far this year.

The TRMM satellite again viewed tropical storm DON on 29 July 2011 at 1322 UTC (7:22 AM CDT). A rainfall analysis from TRMM's Microwave Imager (TMI) was overlaid on a sunlit combination visible/infrared image from TRMM's Visible and Infrared Scanner (VIRS) instrument. Below is an animation that fades between the sunlit visible/infrared image and the PR/TMI rainfall analysis.

The TRMM satellite passed over tropical storm DON on 29 July 2011 at 0650 UTC (1:50 AM CDT) while the storm was in the Gulf Of Mexico. TRMM's Microwave Imager (TMI) data were used in the image on the right to show rainfall overlaid on an infrared image from TRMM's Visible and InfraRed Scanner (VIRS) instrument. This image shows that DON had become larger and better organized since last seen by TRMM. Also the area of rainfall was larger with some moderate to heavy rainfall located near the storm's center. Texas has been suffering from extreme drought this year so DON's rainfall may provide some

An area of disturbed weather in the southern Gulf Of Mexico was upgraded by the National Hurricane Center (NHC) to tropical storm DON on 27 July 2011 at 2100 UTC (4 PM CDT). The TRMM satellite had a fairly good view of tropical Storm DON when it passed over on 28 July 2011 at 0609 UTC (2:09 AM EDT). A red tropical storm symbol shows the position, north of Mexico's Yucatan peninsula, where DON was located at that time. A rainfall analysis from TRMM's Microwave Imager (TMI) data shows that DON was dropping moderate to heavy rainfall in the eastern side of the small storm. The NHC predicts that

The TRMM satellite flew over tropical storm Bret in the Atlantic Ocean north of the Bahamas on 19 July 2011 at 1118 UTC ( 7:18 AM EDT). This early morning pass showed that BRET was very small, but TRMM's Precipitation Radar (see below) showed that the storm had some powerful thunderstorms reaching to heights of 15km (9.3 miles).

Tropical storm AERE was the first tropical cyclone to hit the Philippines in 2011 and was responsible for the deaths of least 22 people. AERE, also known as Bebeng in the Philippines islands, formed east of the Philippines on 6 May 2011. Data collected by the TRMM satellite on 8 May 2011 at 0823 UTC (~4:23 PM LOCAL) were used in the image on the left above. At that time AERE had wind speeds estimated at about 50 knots (~58 mph). TRMM Precipitation Radar data from this orbit were used in the image on the upper right to show the 3-D vertical structure within AERE. Some thunderstorms within AERE