TRMM

Tropical cyclone HELLEN formed in the Mozambique channel northwest of Madagascar on March 28, 2014. HELLEN became a very powerful tropical cyclone with peak sustained winds of 130kts (about 150 mph) on March 30, 2014. HELEN's eye came ashore in northwestern Madagascar On March 31, 2014 with winds predicted to be about 95kts (~109 mph). HELEN is now expected to gradually weaken over northwestern Madagascar while moving southwestward and be over the Mozambique Channel again on April 1, 2014. The TRMM satellite passed above HELLEN on March 30, 2014 at 1747UTC when the tropical cyclone was close

Tropical cyclone Gillian re-generated in the South Indian Ocean south of Indonesia on March 21, 2014. Gillian had peak wind speeds of about 140 kts (about 173 mph) on March 23, 2014 making it a Category 5 hurricane on the Saffir-Simpson Scale. The TRMM satellite flew above GILLIAN when the tropical cyclone was intensifying on March 23, 2014 at 0304 UTC. Data from TRMM's Microwave Imager (TMI) and Precipitation Radar (PR) instruments were used in the rainfall analysis on the above left. TRMM PR revealed that Gillian had very intense storms in a well defined eye wall producing rain at a rate of

The persistent remnants of tropical cyclone GILLIAN have moved westward over 2700km (about 1674 miles) since forming in the Gulf Of Carpentaria on March 8, 2014. GILLIAN's coherent remnants were located just to the southeast of the Indonesian island of Java when the TRMM satellite flew over on March 20, 2014 at 0415 UTC. TRMM's Precipitation Radar (PR) instrument revealed that intense convective storms in this area were still dropping rain at a rate of over 97 mm/hr (about 3.8 inches) and returning radar reflectivity values of over 51dBZ. TRMM PR data were used in the simulated 3-D view on the

Over the past few days former tropical cyclone GILLIAN's remnants moved from the Gulf Of Carpentaria into the Timor sea . The TRMM satellite found a few strong convective thunderstorms when it passed above these remnants on March 18, 2014 at 0431 UTC. TRMM's Precipitation Radar (PR) instrument measured rain falling at a rate of over 86 mm/hr (~3.4 inches) in some intense storms. The simulated 3-D image above was made using TRMM PR data and shows that several of the tallest thunderstorms in GILLIAN's remnants were reaching heights of over 15.75 km (~9.8 miles). Radar reflectivity values of over

The TRMM satellite flew above northern Australia on March 14, 2014 at 0500 UTC capturing data used in the image on the right. Very strong convective storms in this area are the remnants of tropical cyclone GILLIAN and may signal a rebirth. TRMM's Precipitation Radar (PR) instrument found rain falling at the rate of over 116 mm/hr (~4.5 inches) in these powerful storms in the northeastern Gulf Of Carpentaria. TRMM PR data were also used in this 3-D view of the strong convective storms in the northern Gulf Of Carpentaria. Some towering convective storms were found to be very energetic. Several

Tropical cyclone LUSI recently caused the deaths of at least three people as it moved through the island nation of Vanuatu in the South Pacific Ocean. The TRMM satellite flew above tropical cyclone LUSI on March 12, 2014 at 0342 UTC. A rainfall analysis made from TRMM's Microwave Imager (TMI) and Precipitation Radar (PR) data is shown overlaid on an enhanced visible/infrared image from TRMM's Visible and InfraRed Scanner (VIRS). TRMM PR data revealed with this analysis that rain was falling at a rate of over 97 mm/hr (~3.8 inches) in rain bands rotating around LUSI's center. TRMM's

Tropical cylone activity has recently increased in the the Southern Hemisphere. On March 10, 2014 the TRMM satellite viewed three tropical storms within two hours. The images above use data received by the TRMM satellite when it flew above tropical storm HADI on March 10, 2014 at 0528 UTC. TRMM found that almost all heavy rainfall with HADI was located in the Coral Sea well off the northeastern coast of Australia. Data from TRMM's Precipitation Radar (PR) instrument were used in the image on the right to show the 3-D structure within the tropical storm. Tropical storm LUSI was located near

Images are routinely produced using TRMM Microwave Imager (TMI) data which show the global area covered by the satellite. These "Quick Look" images use Microwave brightness temperatures at 85.5 GHZ and at 37.0 GHZ combined in the red, green and blue components (guns) of the images. These false color images can be used to distinguish land from water and show the differences between land surfaces such as deserts, snow cover and sea ice. On these images areas of dry atmosphere over water appear as blue and moist atmosphere is dark blue. Snow cover over land appears as white or grey, deserts are

Tropical storm FAXAI meandered in a area southeast of Guam for the past few days and is now predicted to move toward the north passing well to the east of Guam. The TRMM satellite had a good daytime view of the tropical storm on March 2, 2247 UTC. TRMM's Microwave Imager (TMI) and Precipitation Radar (PR) data revealed that FAXAI had heavy rain falling at a rate of over 89 mm/hr (~3.5 inches). A few rainshowers from FAXAI are shown affecting GUAM.

A tropical depression that developed southeast of Guam was upgraded to a tropical storm called FAXAI early Saturday morning (local time). The TRMM satellite has had several good looks of the tropical storm during it's formation. As it passed over head on February 27, 2014 at 2357 UTC the satellite had an outstanding daytime view of the developing tropical cyclone . Rainfall data collected by TRMM's Microwave Imager (TMI) and Precipitation Radar (PR) instruments are shown overlaid on enhanced visible and infrared images from TRMM's Visible and InfraRed Scanner (VIRS). TRMM PR data indicated