All good things must come to an end -- and this weather pattern is no exception to that. A weakening upper low in the Western Atlantic will cause high pressure ridging in the Southeast to weaken, which in turn allows a disturbance in the Midwest to come east and visit us for the next several days. Friday is the last "good" weather day of the next several as we will be dodging drops from Saturday through Wednesday at various times, with some intervals of time featuring more drop dodging than others.
Shower activity starts around here on Saturday as the first wave of this disturbance approaches the region. Scattered showers move in from the southwest and west, especially in the afternoon and continuing through Saturday evening and into Sunday. The first half of Saturday could be misty or foggy in some spots but most locations should remain shower free until the Noon hour.
By Sunday, low pressure will be broadly centered over the Appalachians and stuck from advancing eastward thanks to the weakening upper level storm in the Atlantic and also a larger center of high pressure that is in the Central Atlantic. This results in a stalled out situation where the upper level system will generate weak disturbances that will throw shower chances into the region through the middle of next week. It won't be a washout throughout the period -- Monday may turn out to be a halfway decent day -- but with low pressure in the vicinity and nothing to kick it out of the way the pattern remains largely 'stuck' and this upper level low and broad surface low will be in no hurry to move out of here.
With the first wave of this upcoming pattern entrenched in the region on Sunday, shower chances will be widespread and some thunderstorms can't be ruled out either. There could be some heavier rains but determining who gets what and how much falls is low confidence at this point since computer modeling is not consistent on where the heavier precipitation gets dropped. There is confidence, however, that most of the region gets some rain on Sunday.
In terms of getting stuff done outdoors, Saturday morning might be the best bet for relatively dry weather...the later in the weekend one gets the greater the chances for some rain to fall.
Kamis, 12 Mei 2011
Unsettled Weekend
Langganan:
Posting Komentar (Atom)
Tidak ada komentar:
Posting Komentar