SPC Tornado Watch 653
Fri, 10 Sep 2010 18:02:03 -0500
URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 653 NWS STORM PREDICTION CENTER NORMAN OK 555 PM CDT FRI SEP 10 2010 THE NWS STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF EASTERN KANSAS WESTERN MISSOURI NORTHERN OKLAHOMA EFFECTIVE THIS FRIDAY AFTERNOON AND SATURDAY MORNING FROM 555 PM UNTIL 100 AM CDT. TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 95 STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES NORTHEAST OF LEAVENWORTH KANSAS TO 30 MILES WEST SOUTHWEST OF BARTLESVILLE OKLAHOMA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3). 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...TSTMS EXPECTED TO FORM IN THE NEXT HOUR OR SO IN PERHAPS TWO OR THREE AREAS OVER ERN KS/NRN OK. DEVELOPMENT WILL BE IN RESPONSE TO CONTINUED LOW LVL HEATING/MOISTURE INFLOW...AND LOW LVL CONFLUENCE WITHIN AND ALONG W SIDE OF MOIST WARM SECTOR. INITIATION ALSO MAY BE AIDED BY WEAK IMPULSE MOVING ENE FROM OK/TX PANHANDLE REGION PER VWP/WATER VAPOR. AT ANY RATE...DEGREE OF SFC-BASED INSTABILITY /REF MCD 1813/...MODERATE DEEP DIRECTIONAL SHEAR...AND WEAK LOW LVL LINEAR FORCING SUGGEST POTENTIAL FOR A FEW DISCRETE SUPERCELLS. QUALITY OF LOW LVL MOISTURE...EXPECTED NOCTURNAL INCREASE IN THE SSW LLJ...AND BACKED FLOW INVOF WNW-ESE STNRY FRONT IN NE KS/WRN MO FURTHER SUGGEST POTENTIAL FOR TORNADOES...IN ADDITION TO SVR WIND/HAIL...BEFORE STORMS MERGE INTO AN MCS LATER THIS EVE. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM MOTION VECTOR 26025. ...CORFIDIRead more
SPC Tornado Watch 653 Status Reports
Fri, 10 Sep 2010 18:02:12 -0500
STATUS FOR WATCH 0653 HAS NOT BEEN ISSUED YETRead more
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