Severe Thunderstorm Watch Until 10pm! Watching Storms Close! – Wednesday Update 3pm
August 1, 2012 Leave a comment
Much of west Alabama has been placed under a severe thunderstorm watch. We’re watching a developing complex of storms over northeast Mississippi. These storms now look to impact much of west Alabama between 4pm and 10pm tonight. Stay alert. Severe thunderstorm warnigns are very possible in the watch box. I don’t expect tornadoes today, but damaging strait line winds are very possible. Stay here for udpates. Here’s a statement from Storm Prediction Center:
THE NWS STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NORTHERN AND CENTRAL MISSISSIPPI
EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 305 PM UNTIL 1000 PM CDT.
HAIL TO 2 INCHES IN DIAMETER…THUNDERSTORM WIND GUSTS TO 75 MPH…AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES NORTHWEST OF MUSCLE SHOALS ALABAMA TO 65 MILES SOUTH SOUTHEAST OF JACKSON MISSISSIPPI. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).
REMEMBER…A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES.
OTHER WATCH INFORMATION…CONTINUE…WW 544…WW 546…
DISCUSSION…SMALL SCALE IMPULSE DEVELOPING SEWD ACROSS THE MS VALLEY WILL AID ASCENT ACROSS A VERY UNSTABLE AIRMASS ACROSS PARTS OF MS AND THE TN VALLEY THROUGH THE LATE AFTERNOON. WHILE DEEP-LAYER FLOW IS NOT PARTICULARLY STRONG WITH THIS IMPULSE…MAGNITUDE OF INSTABILITY /MLCAPE AROUND 3000-4000 J PER KG/ WILL LIKELY COMPENSATE FOR LIMITED SHEAR SO THAT MULTICELLUAR STORMS CAN ORGANIZE SUFFICIENTLY FOR A DAMAGING WIND AND HAIL THREAT ACROSS THE WATCH AREA INTO THE EVENING.
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