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The heat creeps in
As the anticyclone builds to our west the heat will gradaully take over. The upper high (anticyclone) is forecasted to strengthen and then move over Kansas and Missouri late Wednesday and Thursday. The surface high pressure area to our northeast is finally weakening and shifting eastward and this should provide a southerly breeze, to maybe even southwesterly wind. The more westerly the wind the hotter it will get.
The GFS this morning clearly breaks down this anticyclone and thus any chance of a major heat wave. So, those of you out there concerned that this is the beginning of a long, hot, dry summer just relax. It is still too early to tell. Below is the 500 mb forecast by the GFS for Wednesday (60 hours), and for next Wednesday (240 hours). Notice the ridge saying "goodbye", and the circle to our south is actually an upper low. If this happens rain will soon follow.
Click to enlarge (500mb Wednesday)
Click to enlarge (500 flow next Wendsday)
Posted by at June 20, 2005 4:08 PM
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Dear Gary,
Thanks for keeping the glimmer of hope for rain alive. I will tell my flowers and tomato plants to hang in there.
Tim,
It is a slim chance, but we must watch those northern Iowa thunderstorms closely.
Gary
Posted by: Tim at June 20, 2005 6:10 PM
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Well those northern iowa storms didn't amount to much, however, the outflow boundry did switch out winds to the north and left us with some cloud cover this morning, hopefully that won't mess with the temps too much today. still haven't broke 90 here in nc mo yet, been as high as 89 this month
-glen from trenton
GLEN:
Thanks for the post... many places hit 90 today!!
Jamie
Posted by: Glen Briggs at June 21, 2005 5:43 AM
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Hi Gary (or Brett, or whoever answers this)! First of all I want to tell you that I think you and the entire NBC Action News weather team are great. You are by far the most accurate, and I always watch you because of that. And I love this Weather Blog! You need to drag Elizabeth to the computer to check it out ;-) Brett mentioned this morning, and I believe you mentioned yesterday evening, that this is not the beginning of a heat wave. Why not, and what technically constitutes a "heat wave"?
KOYUKI:
Gary posted a blog addressing your comment!
Thanks for blogging with us!
Jamie
Posted by: Koyuki at June 21, 2005 8:15 AM
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