

485 

WWUS20 KWNS 070249

SEL8

SPC WW 070249

KSZ000-070900-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 478

NWS STORM PREDICTION CENTER NORMAN OK

950 PM CDT TUE AUG 6 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  SOUTH CENTRAL AND SOUTHEAST KANSAS



* EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 950 PM

  UNTIL 400 AM CDT.



* PRIMARY THREATS INCLUDE...

  A FEW DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 45

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 25 MILES NORTH OF

MEDICINE LODGE KANSAS TO 20 MILES EAST OF CHANUTE KANSAS.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU8).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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

SEVERE THUNDERSTORM WATCH NUMBER 475. WATCH NUMBER 475 WILL NOT

BE IN EFFECT AFTER 950 PM CDT. CONTINUE...WW 476...WW 477...



DISCUSSION...CLUSTER OF STORMS IN SW KS WILL DEVELOP EWD OVERNIGHT

IN A MOIST/ UNSTABLE ENVIRONMENT...WITH SOME CONTINUED POTENTIAL FOR

ISOLATED DAMAGING GUSTS AND LARGE HAIL WITH THE STRONGER STORM

CORES/MERGERS.



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

TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS.

A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM MOTION

VECTOR 27025.





...THOMPSON

