

000 

WWUS20 KWNS 010605

SEL9

SPC WW 010605

KSZ000-MOZ000-OKZ000-011300-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 409

NWS STORM PREDICTION CENTER NORMAN OK

105 AM CDT SUN JUN 1 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       SOUTHERN KANSAS

       SOUTHERN MISSOURI

       NORTHERN OKLAHOMA



EFFECTIVE THIS SUNDAY MORNING FROM 105 AM UNTIL 800 AM CDT.



HAIL TO 2.5 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 50

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 60 MILES WEST

SOUTHWEST OF WICHITA KANSAS TO 50 MILES EAST NORTHEAST OF POPLAR

BLUFF MISSOURI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).



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...THIS SEVERE THUNDERSTORM WATCH REPLACES

TORNADO WATCH NUMBER 407...TORNADO WATCH NUMBER 408. WATCH NUMBER

407 408 WILL NOT BE IN EFFECT AFTER 105 AM CDT.



DISCUSSION...TSTMS/POSSIBLE SUPERCELLS EXPECTED TO PERSIST ALONG AND

N OF STALLED FRONT FROM NRN OK E INTO THE OZARKS.  QUALITY OF

MOISTURE INFLOW AND PRESENCE OF EXISTING SUSTAINED STRUCTURES

SUGGESTS CONTINUED POTENTIAL FOR LARGE HAIL/LOCALLY DMGG WIND AND

POSSIBLY AN ISOLD TORNADO DESPITE STRENGTHENING CINH AND MODERATE

WIND FIELDS.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 24035.





...CORFIDI

