Saturday, August 20, 2011

Hot & Muggy Today w/ Rain Chances & Update on the Tropics

It will be once again hot and muggy today. There is also a threat for showers and thunderstorms today. There is currently a large area of rain west of I-57 in the St. Louis area. At the very least we will receive some mid and high level clouds from this complex and MAYBE some rain. Best chance of rain will be to the west of the Wabash River, but Evansville and points to the east will likely stay dry.

Once we clear out, thunderstorms are also possible into the evening/overnight hours. The Storm Prediction Center did have portions of southeast Illinois and Knox County, IN under a slight risk yesterday which has since been dropped. Still, I think a few strong storms are possible northwest of Evansville tonight and into the morning hours. It's not out of the question that Evansville will have any storms to deal with.

TROPICS: We are now beginning to enter one of the most active parts of the Atlantic Hurricane Season. Tropical Storm Harvey is now just offshore of Belize. Maximum sustained winds are 60 MPH and there is a minimum central pressure of 998 MB as of the 10:00 AM advisory. Harvey is expected to remain as a strong tropical storm as moves inland into Belize later today and dump some very heavy rain into Central America.

There are also two other invest areas in the Atlantic currently. One is located east of the Leeward Islands and will continue to jog to the west in the coming days. In fact, the National Hurricane Center has given this area a 80% chance of developing into a tropical cyclone in the next 48 hours. If it does it's name would be Irene. It's not out of the question that the United States will have to deal with this entity later on next week, potentially on Friday. The 2nd wave just came of the African coast and is currently located near Cape Verde. The NHC has given this wave a 40% chance of developing into a tropical cyclone in the next 48 hours. This however, will not be affecting anybody except maybe the fish!

Today: Sct'd showers. Partly cloudy elsewhere, highs around 90
Today: Thunderstorms. A few strong not out of the question. Partly to mostly cloudy, lows in the upper 60's.

High Temperatures Across U.S. Yesterday


Low Temperatures across U.S. Yesterday


SPC'S Convective Outlook Today


Watch/Warning Map as of 10:30 AM


Tropical Storm Harvey Image


Tropical Storm Harvey Track


Invest 97L Image


Invest 97L Model Forecasts


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