

862 

WWUS20 KWNS 010120

SEL9

SPC WW 010120

KSZ000-010700-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 379

NWS STORM PREDICTION CENTER NORMAN OK

820 PM CDT MON JUN 30 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  EASTERN KANSAS



* EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 820 PM

  UNTIL 200 AM CDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 75

    MPH POSSIBLE

  ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE

  A TORNADO OR TWO POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 55

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 15 MILES NORTH OF

MEDICINE LODGE KANSAS TO 35 MILES SOUTHEAST OF TOPEKA KANSAS.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU9).



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...CONTINUE...WW 375...WW 376...WW

377...WW 378...



DISCUSSION...STORMS ARE EXPECTED TO DEVELOP AND INTENSIFY ALONG A

COLD FRONT FROM NERN THROUGH SWRN KS AND MOVE SLOWLY SEWD. VERY

STRONG INSTABILITY WITH 3000-4000 J/KG MLCAPE AND 30-35KT EFFECTIVE

SHEAR WILL SUPPORT ORGANIZED STORM STRUCTURES. BOTH SUPERCELLS AND

LINE SEGMENTS CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WIND

GUSTS MAY OCCUR THIS EVENING.



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

TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65

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

MOTION VECTOR 31020.





...DIAL

