SPC Tornado Watch 670
Thu, 16 Sep 2010 19:10:02 -0500
URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 670 NWS STORM PREDICTION CENTER NORMAN OK 810 PM EDT THU SEP 16 2010 THE NWS STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF EXTREME SOUTHEAST OHIO NORTHERN WEST VIRGINIA EFFECTIVE THIS THURSDAY EVENING FROM 810 PM UNTIL 1100 PM EDT. TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 55 STATUTE MILES EAST AND WEST OF A LINE FROM 50 MILES NORTH NORTHWEST OF ELKINS WEST VIRGINIA TO 65 MILES WEST SOUTHWEST OF ELKINS WEST VIRGINIA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0). 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. OTHER WATCH INFORMATION...CONTINUE...WW 669... DISCUSSION...ONGOING SUPERCELLS ALONG THE OH RIVER WILL PERSIST FOR ANOTHER 1-3 HOURS WHILE MOVING INTO WV. INSTABILITY WEAKENS WITH EWD EXTENT ACROSS WV...BUT SHOULD REMAIN SUFFICIENT TO SUPPORT A CONTINUED RISK OF SUPERCELLS/TORNADOES GIVEN THE RELATIVELY STRONG VERTICAL SHEAR. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM MOTION VECTOR 30030. ...THOMPSONRead more
SPC Tornado Watch 670 Status Reports
Thu, 16 Sep 2010 19:10:11 -0500
STATUS FOR WATCH 0670 HAS NOT BEEN ISSUED YETRead more
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