URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 206 NWS STORM PREDICTION CENTER NORMAN OK 450 PM CDT MON APR 25 2011 THE NWS STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF PARTS OF NORTHEAST ARKANSAS PARTS OF ILLINOIS SMALL PART OF SOUTHWEST INDIANA PARTS OF WESTERN KENTUCKY PARTS OF SOUTHEAST MISSOURI LARGE PART OF NORTHERN MISSISSIPPI WESTERN TENNESSEE EFFECTIVE THIS MONDAY AFTERNOON FROM 450 PM UNTIL MIDNIGHT CDT. ...THIS IS A PARTICULARLY DANGEROUS SITUATION... DESTRUCTIVE TORNADOES...LARGE HAIL TO 2.5 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 80 STATUTE MILES EAST AND WEST OF A LINE FROM 70 MILES WEST SOUTHWEST OF OXFORD MISSISSIPPI TO 35 MILES EAST NORTHEAST OF CARBONDALE ILLINOIS. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6). 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 201...WW 202...WW 203...WW 204...WW 205... DISCUSSION...AS SURFACE LOW DEEPENS THIS EVENING NEWD TOWARD LOWER OH VALLEY...STRONG SHEAR PROFILES AND RAPID NWD DESTABILIZATION WILL TAKE PLACE NWD THRU THE WATCH. THIS SUPPORTS CURRENT SUPERCELLS NOW IN AR TO DEVELOP RAPIDLY NEWD ACROSS THE WATCH WITH POTENTIAL FOR STRONG TORNADOES. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM MOTION VECTOR 23035.
Monday, April 25, 2011
April 25: PDS Tornado Watch #2
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