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Florida, United States
Bred, raised, educated and life long Floridian, and proud of it. E-mail at one(dot)legged(dot)old(dot)fat(dot)man(at)gmail(dot)com

Friday, April 23, 2010

Weekend WX Outlook...

Friday Night: Partly cloudy, with a low around 60. South-southwest wind between 3 and 7 mph.

Saturday: Mostly sunny, with a high near 87. South wind between 3 and 11 mph, with gusts as high as 22 mph.

Saturday Night: Mostly cloudy, with a low around 65.

Sunday: A 50 % chance of showers and thunderstorms. Mostly cloudy, with a high near 86.

Sunday Night: A 20 % chance of showers and thunderstorms. Mostly cloudy, with a low around 64.

Slight risk of severe thunderstorms late Saturday night and Sunday

Increasing moisture in combination with an approaching front and an upper level disturbance will likely produce scattered thunderstorms as early as Saturday night and continuing through
Sunday evening. Some storms may be strong or severe late Saturday night and Sunday with frequent cloud to ground lightning, Damaging winds and hail the main concerns.

Thunderstorms are expected to initially develop across interior southeast Georgia Saturday night with activity increasing in coverage and intensity across southeast Georgia and northeast Florida on Sunday. Showers and storms are expected to diminish Sunday evening
following a frontal passage.

A large storm system will move from the plains to the Ohio valley On Saturday. The increasing southerly gradient across the local Area will lead to an increase in moisture levels with dewpoints forecast to climb into the 60s. Temperatures will once again climb well into the 80s and humidity levels will be higher.

Slow moving pre-frontal line of thunderstorms will approach our Northwestern zones with a low chance of rain there by late afternoon and increasing chances across southeast Georgia late
Saturday night. Much warmer temperatures are forecasted for Saturday Night with lows only in the mid to upper 60s, well above normal.

Scattered to numerous thunderstorms are expected on Sunday. Temperatures In the low 80s and dewpoints in the upper 60s yield cape values near 2000 j/kg. Large-scale ascent will be lacking, as it will remain north of the area where better upper level support will favor more organized severe weather. Never the less, cannot rule out a few severe thunderstorms over the local area. Low level Speed shear will be strong with 850-mb with the Low Level Jet forecasted at 40 to 50 knots. Because of the threat of strong to damaging winds, Storm Prediction Center now has the local area highlighted in the day 4 risk.


Weekend Pollen Levels: Saturday 9.1 High, Sunday 8.1 Medium High; active pollen: Oak, Cedar/Juniper and Myrtle/Bayberry

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