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Displaying AFOS PIL: SEL5 Product Timestamp: 2003-05-08 18:50 UTC
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000 WWUS20 KWNS 081853 SEL5 SPC WW 081850 KSZ000-NEZ000-090200- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 305 NWS STORM PREDICTION CENTER NORMAN OK 150 PM CDT THU MAY 8 2003 THE NWS STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF NORTH CENTRAL INTO NORTHEASTERN KANSAS SOUTH CENTRAL AND SOUTHEASTERN NEBRASKA EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 150 PM UNTIL 900 PM CDT. ...THIS IS A PARTICULARLY DANGEROUS SITUATION... DESTRUCTIVE TORNADOES...LARGE HAIL TO 3 INCHES IN DIAMETER... THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 80 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 25 MILES NORTHEAST OF TOPEKA KANSAS TO 25 MILES NORTH OF HILL CITY KANSAS. 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 300...WW 301...WW 302...WW 303...WW 304... DISCUSSION...CONVECTION SHOULD RAPIDLY DEVELOP NEAR LOW CENTER INVOF RSL AND ALONG DRY LINE MIXING EWD EAST OF A P28 TO GBD LINE IN THE NEXT HOUR OR SO. AIR MASS IS STRONGLY UNSTABLE AND WEAKLY CAPPED...WITH MLCAPES NOW IN EXCESS OF 3000 J/KG OVER S-CENTRAL KS. AS SURFACE LOW DEVELOPS EWD AND LARGE SCALE ASCENT INCREASES OVER KS THIS AFTERNOON...CLEARING IS EXPECTED TO SPREAD NWD AND ALLOW WARM FRONT TO BECOME ESTABLISHED NEAR THE NE/KS BORDER BY THE EARLY EVENING. THUS THE THREAT OF TORNADIC SUPERCELLS SHOULD SPREAD GRADUALLY EAST AND THEN NORTHEASTWARD ACROSS WW INTO THE EVENING. PARAMETERS CONTINUE TO SUPPORT A THREAT OF STRONG/VIOLENT TORNADOES WITHIN THIS REGION. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 24035. ...EVANS 380,0951 383,0994 405,0994 402,0951 WWUS20 KWNS 081853 SEL5 SPC WW 081850 KSZ000-NEZ000-090200- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 305 NWS STORM PREDICTION CENTER NORMAN OK 150 PM CDT THU MAY 8 2003 THE NWS STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF NORTH CENTRAL INTO NORTHEASTERN KANSAS SOUTH CENTRAL AND SOUTHEASTERN NEBRASKA EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 150 PM UNTIL 900 PM CDT. ...THIS IS A PARTICULARLY DANGEROUS SITUATION... DESTRUCTIVE TORNADOES...LARGE HAIL TO 3 INCHES IN DIAMETER... THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 80 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 25 MILES NORTHEAST OF TOPEKA KANSAS TO 25 MILES NORTH OF HILL CITY KANSAS. 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 300...WW 301...WW 302...WW 303...WW 304... DISCUSSION...CONVECTION SHOULD RAPIDLY DEVELOP NEAR LOW CENTER INVOF RSL AND ALONG DRY LINE MIXING EWD EAST OF A P28 TO GBD LINE IN THE NEXT HOUR OR SO. AIR MASS IS STRONGLY UNSTABLE AND WEAKLY CAPPED...WITH MLCAPES NOW IN EXCESS OF 3000 J/KG OVER S-CENTRAL KS. AS SURFACE LOW DEVELOPS EWD AND LARGE SCALE ASCENT INCREASES OVER KS THIS AFTERNOON...CLEARING IS EXPECTED TO SPREAD NWD AND ALLOW WARM FRONT TO BECOME ESTABLISHED NEAR THE NE/KS BORDER BY THE EARLY EVENING. THUS THE THREAT OF TORNADIC SUPERCELLS SHOULD SPREAD GRADUALLY EAST AND THEN NORTHEASTWARD ACROSS WW INTO THE EVENING. PARAMETERS CONTINUE TO SUPPORT A THREAT OF STRONG/VIOLENT TORNADOES WITHIN THIS REGION. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 24035. ...EVANS 380,0951 383,0994 405,0994 402,0951
000 WWUS20 KWNS 081853 SEL5 SPC WW 081850 KSZ000-NEZ000-090200- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 305 NWS STORM PREDICTION CENTER NORMAN OK 150 PM CDT THU MAY 8 2003 THE NWS STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF NORTH CENTRAL INTO NORTHEASTERN KANSAS SOUTH CENTRAL AND SOUTHEASTERN NEBRASKA EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 150 PM UNTIL 900 PM CDT. ...THIS IS A PARTICULARLY DANGEROUS SITUATION... DESTRUCTIVE TORNADOES...LARGE HAIL TO 3 INCHES IN DIAMETER... THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 80 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 25 MILES NORTHEAST OF TOPEKA KANSAS TO 25 MILES NORTH OF HILL CITY KANSAS. 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 300...WW 301...WW 302...WW 303...WW 304... DISCUSSION...CONVECTION SHOULD RAPIDLY DEVELOP NEAR LOW CENTER INVOF RSL AND ALONG DRY LINE MIXING EWD EAST OF A P28 TO GBD LINE IN THE NEXT HOUR OR SO. AIR MASS IS STRONGLY UNSTABLE AND WEAKLY CAPPED...WITH MLCAPES NOW IN EXCESS OF 3000 J/KG OVER S-CENTRAL KS. AS SURFACE LOW DEVELOPS EWD AND LARGE SCALE ASCENT INCREASES OVER KS THIS AFTERNOON...CLEARING IS EXPECTED TO SPREAD NWD AND ALLOW WARM FRONT TO BECOME ESTABLISHED NEAR THE NE/KS BORDER BY THE EARLY EVENING. THUS THE THREAT OF TORNADIC SUPERCELLS SHOULD SPREAD GRADUALLY EAST AND THEN NORTHEASTWARD ACROSS WW INTO THE EVENING. PARAMETERS CONTINUE TO SUPPORT A THREAT OF STRONG/VIOLENT TORNADOES WITHIN THIS REGION. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 24035. ...EVANS 380,0951 383,0994 405,0994 402,0951