Tropical Storm Bill

August 16th, 2009 |
GOES-12 IR images

GOES-12 IR images

GOES-12 IR images from the CIMSS Tropical Cyclones site (above) showed that Tropical Storm Bill began to exhibit a well-defined curved banding structure during the early  daytime hours  on 16 August 200. In addition, the IR imagery displayed the formation of  a large convective burst near the center of the circulation.

GOES-12 IR image + deep layer mean winds

GOES-12 IR image + deep layer mean winds

The CIMSS deep layer mean winds product overlaid on a GOES-12 IR image (above) as well as an animation of GOES-12 water vapor images (below) indicated that there was a large subtropical ridge of high pressure in place to the north of Bill, which would act to keep the storm moving on a west-northwesterly path for several days.

GOES-12 water vapor images + model forecast tracks

GOES-12 water vapor images + model forecast tracks

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