Sunday, January 22, 2012

*PARTICULARLY DANGEROUS SITUATION* Tornado Watch #5

THIS IS A PARTICULARLY DANGEROUS SITUATION



EL5
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 5
NWS STORM PREDICTION CENTER NORMAN OK
520 PM CST SUN JAN 22 2012
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
EASTERN ARKANSAS
THE MISSOURI BOOTHEEL
NORTHWEST MISSISSIPPI
WESTERN TENNESSEE
EFFECTIVE THIS SUNDAY AFTERNOON FROM 520 PM UNTIL MIDNIGHT CST.
...THIS IS A PARTICULARLY DANGEROUS SITUATION... DESTRUCTIVE TORNADOES...LARGE HAIL TO 2 INCHES IN DIAMETER...
THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE
POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 85 STATUTE
MILES EAST AND WEST OF A LINE FROM 35 MILES NORTH NORTHWEST OF
DYERSBURG TENNESSEE TO 25 MILES WEST SOUTHWEST OF GREENVILLE
MISSISSIPPI. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND 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.
DISCUSSION...THUNDERSTORMS WILL INCREASE IN COVERAGE/INTENSITY THE
NEXT FEW HOURS ACROSS CENTRAL/ERN AR AS THE LOW LEVELS DESTABILIZE
AND ASCENT OVERSPREADS THE AREA FROM W TO E...IN ADVANCE OF A STRONG
SHORTWAVE TROUGH NOW OVER ERN OK. LOW-LEVEL SHEAR AND MOISTURE WILL
INCREASES THROUGH THE EVENING ACROSS NE AR/WRN TN...AND STORMS ARE
EXPECTED TO EVOLVE INTO A BROKEN BAND WITH BOTH EMBEDDED SUPERCELLS
AND EMBEDDED BOWING SEGMENTS. VERTICAL SHEAR...MOISTURE...AND THE
MIXED STORM MODES WILL FAVOR A RISK OF A FEW STRONG
TORNADOES...ALONG WITH DAMAGING WINDS AND LARGE HAIL THROUGH
TONIGHT.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 24045.

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