August HEAT WAVE to Continue

 

 
               Upper high will persist in bringing triple digit heat through the first week of August.
 
UPDATE: Tue 3 August 2010 / 3:25p.m.
Sadly, no major changes to the forecast. The models are trying to bring a weak front southward into at least northern Texoma Friday morning with a chance of showers. This would have a little "help" from the clockwise flow around the westward-moving high (map above).
 
I'm holding off on this for now, but if we get one more day of consistent model output, I will introduce at least a small chance of rain for late Thursday/Friday. In any case, it will continue very hot whether it rains or not with highs around 100 through the weekend.
 
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UPDATE: Mon 2 August 1985 / 4:45p.m.
Little change is expected through the week. Daily maximum temperatures will vary by a few degrees based on wind direction and local effects, but readings in the101-106 range are expected through Thursday.
 
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UPDATE: Fri 30 July 2010 / 3p.m.
Well....there's just no change indicated by any of the models or the weather observed pattern. It will be the hottest weather of 2010 this weekend and possibly into the first few days of the work week too.
 
Take Care....Steve (complete discussion below)
 
 
UPDATE: Thu 29 July 2010 / 9:40p.m.
I updated the map, but as you can see it's the same VERY HOT forecast.
 
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UPDATE: Wed 28 July 2010 / 3:50p.m.
 
The last week of July and the first two weeks of August are historically the hottest of the year for the southern Plains. The evolving weather pattern should deliver in this regard:  prepare to really bake as we move into August.
 
Things working together to boost temperatures:
 
1) Mostly sunny skies.
 
2) SW surface winds developing Friday-Sunday. These winds down-slope from higher terrain, causing warming; they also bring in drier air which heats more efficiently.
 
3) A large subtropical high aloft will provide a sinking motion, which further heats the air mass. It also suppresses cloud formation leading to more sun. This maximizes heating at the earth’s surface.
 
All in all, this outlook spells “heat wave”.
 
Highs will range from 100-105 Saturday through early in the new workweek. Whew!
 
Take Care,
 
Steve LaNore
Chief Meteorologist
KXII-TV
 
 
 
 
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