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WWUS20 KWNS 190604

SEL0

SPC WW 190604

MOZ000-191000-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 790

NWS STORM PREDICTION CENTER NORMAN OK

105 AM CDT FRI AUG 19 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       PART OF EAST CENTRAL AND SOUTHEAST MISSOURI



EFFECTIVE THIS FRIDAY MORNING FROM 105 AM UNTIL 500 AM CDT.



HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 75

MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 30

STATUTE MILES EAST AND WEST OF A LINE FROM 10 MILES NORTHEAST OF

JEFFERSON CITY MISSOURI TO 90 MILES SOUTHEAST OF VICHY MISSOURI.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU0).



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 788...WW 789...



DISCUSSION...WELL-DEFINED BOW ECHO WAS MOVING ESE THROUGH CNTRL MO

EARLY THIS MORNING.  MOST INTENSE CORRIDOR OF WINDS WILL LIKELY

TRAVEL ALONG/S OF AN EXISTING BOUNDARY THAT WAS SITUATED FROM

CURRENT BOW INTO PARTS OF EAST CENTRAL/SOUTHEAST MO. 40-45 KTS OF

WNW MID-LVL FLOW AND VERY MOIST DOWNSTREAM BOUNDARY LAYER WILL FAVOR

A CONTINUED BOW ECHO CONVECTIVE MODE.



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

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65

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

MOTION VECTOR 31035.





...RACY

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