Wednesday, August 22, 2007

HEAT WAVE 2007

The high of 101 Wednesday in Jackson tied the record high set in 1990. 21 of the 22 days in August have had highs over 95 and the average high temperature for the month so far is 98.6 degrees. WHEWEEEE! And it is not just here in Mississippi but in Alabama, Georgia, South Carolina, Tennessee and North Carolina. I am expecting 100 degree weather through Friday and then some subtle changes for the weekend and possibly some significant changes by the end of the month.

Here is what I expect to happen. The hot hot pressure system that intensified this week will hold strong into Friday and Saturday. Over the weekend the high will weaken some and begin to build eastward into the Atlantic where it will establish its position as the "Bermuda High". This will create an east to southeast flow over the South. The added humidity, cloud cover and the the threat of a late day storm will lower highs to near the late August average of 90-92.

Toward the end of next week, it looks like some cooler air will try to push a front to the south. While it is still too early for a big cool down. the front could offer an increased rain threat by Labor Day Weekend.

Posted at 7:54 PM

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