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News -
Snow
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Written by Reed Patrick Timmer
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Friday, 28 December 2007 00:26 |
Another strong storm system has ejected into the Central Plains and will likely produce severe weather along the Central Gulf Coast, and blizzard like conditions with a synoptic scale Lake Effect snow event in Michigan.
I (JY) will talk about the south side of the midlatitude cyclone, and Reed will have another update later today with the north side, as well as updates with any big developments.
The SPC included most of Alabama, and South Mississippi under slight risk for severe weather Friday:
Forecast CAPE is relatively low with about 1000 j/kg near the immediate coast, but, the 850 mb winds are very impressive with possibly 50 Kts well inland!
The current dewpoint in Mobile is 49, thanks to a disturbance that moved through yesterday. But you cannot underestimate the quickness of the moisture rebound thanks to the Gulf waters (~70 offshore).
Here is a look at the surface features: Note the heavy snow symbol near Grand Rapids by Friday night.
The front stalls along the Coast during the weekend which is great news for the drought plagued southeast states! Another chance for thunderstorms will be possible late Saturday and into Sunday, then a big cool down after the first of the year. Check out the longwave trough along the East Coast!
Reed will have more updates through the day, with cool loops! He will also be documented the snow side Friday night in Grand Rapids. I will be in Mobile watching the development. One thing about severe weather along the Coast is if we get a good southerly flow with thunderstorms moving in from the Gulf waters, spin ups, like the Pensacola tornado in October can happen insanely fast. It's very tricky!
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Last Updated on Sunday, 15 February 2009 11:17 |
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