Colin

Although hurricane season officially begins on June 1st, we already have the 3rd named storm of the season with the arrival of Tropical Storm Colin, which formed yesterday at 21:30 UTC (4:30 pm CDT) in the southern Gulf of Mexico about 120 miles north of the Yucatan Peninsula. Colin originated from a wave of low pressure that propagated across the tropical Atlantic and northern coast of South America and into the southern Caribbean. As thunderstorm activity picked up, the wave slowly organized into an area of low pressure as it turned northward and passed over the Yucatan. After entering the

Today the TRMM satellite passed above two tropical cyclones in the southern hemisphere. On January 10,2014 at 0117 UTC TRMM had a good daytime view of intensifying tropical cyclone IAN in the south Pacific Ocean east of Fiji with wind speeds over 90kts (~104 mph). Then at 0724 UTC TRMM passed directly above tropical cyclone Colin in the south Indian Ocean that was also intensifying with wind speeds estimated to be above 35kts (~40 mph). Rainfall derived from TRMM's Precipitation Radar (PR) and Microwave Imager (TMI) data was overlaid on Visible/Infrared images from the Visible and InfraRed