SEL5
SPC WW 092216
KSZ000-100400-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 615
NWS STORM PREDICTION CENTER NORMAN OK
515 PM CDT SAT JUL 9 2011
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
SOUTHWEST KANSAS
EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 515 PM UNTIL
1100 PM CDT.
HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 45
STATUTE MILES EAST AND WEST OF A LINE FROM 60 MILES NORTH
NORTHWEST OF GARDEN CITY KANSAS TO 70 MILES SOUTH SOUTHWEST OF
GARDEN CITY KANSAS. FOR A COMPLETE DEPICTION OF THE WATCH SEE
THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).
REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.
OTHER WATCH INFORMATION...CONTINUE...WW 614...
DISCUSSION...A SMALL CLUSTER OF SEVERE TSTMS OVER FAR SERN CO IS
EXPECTED TO MOVE INTO SWRN KS WITHIN THE HOUR WHERE IT WILL
ENCOUNTER A VERY HOT AND UNSTABLE AIR MASS. RUC PROXIMITY SOUNDINGS
ACROSS THE WATCH AREA EXHIBIT STEEP LAPSE RATES...A DEEP SUB-CLOUD
LAYER AND DCAPE VALUES OF 1500-1600 J/KG. AS SUCH...EXPECT STORMS
TO REMAIN CAPABLE OF DAMAGING DOWNBURST WINDS THROUGH THIS EVENING.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM
MOTION VECTOR 27030.
...MEAD
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