Sunday, November 20, 2011

Been tracking the potential for severe weather across the country this week. Here's the NWS Sterling Office's latest forecast discussion for Wednesday:

"PREFRONTAL TROF AND CDFNT WILL ENTER FCST AREA ON WED. ALTHOUGH BNDRY LYR XPCD TO RMN STABLE DESPITE PRESENCE IN WARM SECTOR... STEEPENING LAPSE RATES IN ASSOCIATION WITH ARRIVING POSITIVELY- TILTED UPR TROF AND CONTD FETCH OF WARM AND MOIST GULF AIR WILL PROVIDE MODEST ELEVATED INSTBY THAT MAY BE SUFFICIENT FOR TSTMS. TSTMS WERE INTRODUCED TO THE GRIDS WED AFTN AS SFC BNDRYS CROSS THE FCST AREA."

There will also be enough windshear to create the potential for rotating updrafts as well...

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