Tropical Depression #9 formed early in the day on 12 September 2007, and quickly intensified in the warm waters of the western Gulf of Mexico to become Tropical Storm Humberto (just off the coast of Texas). AWIPS images of the MODIS IR and visible channels (above; upper 2 panels) shows the early stages of... Read More

The poleward surge of elevated Total Precipitable Water (TPW) values (50-65 mm, orange to red enhancement) associated with Tropical Storm Gabrielle could be clearly seen on an animation of MIMIC TPW covering the 48-hour period from 09 to 10 September 2007 (above). Note that toward the end of the animation on 10 September,... Read More

Tropical Storm Gabrielle made landfall over North Carolina early in the day on 09 September 2007. GOES-12 Rapid Scan Operation (RSO) visible channel imagery at 5-10 minute intervals (above) shows the low-level circulation of Gabrielle emerging from beneath a quasi-stationary cluster of convection and then moving slowly north/northeastward across eastern North Carolina during the... Read More

Gabrielle was declared a Subtropical Storm by the National Hurricane Center late in the day on 07 September 2007, and reached Tropical Storm status in the western Atlantic Ocean on 08 September. While some convection was associated with Gabrielle, GOES-12 IR imagery from the CIMSS Tropical Cyclones site (above) indicated that the convection... Read More