

795 

WWUS20 KWNS 112327

SEL1

SPC WW 112327

ILZ000-INZ000-KYZ000-MOZ000-120500-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 171

NWS STORM PREDICTION CENTER NORMAN OK

625 PM CDT WED MAY 11 2016



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  PARTS OF SOUTH AND SOUTHWEST ILLINOIS

  EXTREME SOUTHERN INDIANA

  PARTS OF NORTHERN AND WESTERN KENTUCKY

  PARTS OF EAST CENTRAL AND SOUTHEAST MISSOURI



* EFFECTIVE THIS WEDNESDAY NIGHT FROM 625 PM UNTIL MIDNIGHT CDT.



* PRIMARY THREATS INCLUDE...

  ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



SUMMARY...A CONVECTIVE CLUSTER IN INDIANA WILL CONTINUE MOVING TO

THE EAST-SOUTHEAST FOR THE NEXT FEW HOURS WILL AN ATTENDANT RISK FOR

DAMAGING WINDS POTENTIALLY REACHING NORTHERN KENTUCKY BEFORE THE

STORMS WEAKEN TONIGHT.  FARTHER WEST...STORMS WILL ALSO CONTINUE TO

DEVELOP IN AN EAST-WEST BAND ACROSS WESTERN KENTUCKY TO SOUTHERN

ILLINOIS...AND THEN NORTHWESTWARD INTO EAST CENTRAL MISSOURI.  LARGE

HAIL AND DAMAGING WINDS WILL BE POSSIBLE WITH THE STRONGER STORMS IN

THIS BAND OVER THE NEXT FEW HOURS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 35

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 70 MILES EAST

SOUTHEAST OF OWENSBORO KENTUCKY TO 65 MILES WEST NORTHWEST OF

FARMINGTON MISSOURI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE

THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).



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 167. WATCH NUMBER 167 WILL NOT

BE IN EFFECT AFTER 625 PM CDT. CONTINUE...WW 169...WW 170...



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

TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

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

MOTION VECTOR 29025.





...THOMPSON



012 

WWUS20 KWNS 112327

SEL1

SPC WW 112327

ILZ000-INZ000-KYZ000-MOZ000-120500-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 171...RESENT

NWS STORM PREDICTION CENTER NORMAN OK

625 PM CDT WED MAY 11 2016



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  PARTS OF SOUTH AND SOUTHWEST ILLINOIS

  EXTREME SOUTHERN INDIANA

  PARTS OF NORTHERN AND WESTERN KENTUCKY

  PARTS OF EAST CENTRAL AND SOUTHEAST MISSOURI



* EFFECTIVE THIS WEDNESDAY NIGHT FROM 625 PM UNTIL MIDNIGHT CDT.



* PRIMARY THREATS INCLUDE...

  ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



SUMMARY...A CONVECTIVE CLUSTER IN INDIANA WILL CONTINUE MOVING TO

THE EAST-SOUTHEAST FOR THE NEXT FEW HOURS WILL AN ATTENDANT RISK FOR

DAMAGING WINDS POTENTIALLY REACHING NORTHERN KENTUCKY BEFORE THE

STORMS WEAKEN TONIGHT.  FARTHER WEST...STORMS WILL ALSO CONTINUE TO

DEVELOP IN AN EAST-WEST BAND ACROSS WESTERN KENTUCKY TO SOUTHERN

ILLINOIS...AND THEN NORTHWESTWARD INTO EAST CENTRAL MISSOURI.  LARGE

HAIL AND DAMAGING WINDS WILL BE POSSIBLE WITH THE STRONGER STORMS IN

THIS BAND OVER THE NEXT FEW HOURS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 35

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 70 MILES EAST

SOUTHEAST OF OWENSBORO KENTUCKY TO 65 MILES WEST NORTHWEST OF

FARMINGTON MISSOURI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE

THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).



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 167. WATCH NUMBER 167 WILL NOT

BE IN EFFECT AFTER 625 PM CDT. CONTINUE...WW 169...WW 170...



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

TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

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

MOTION VECTOR 29025.





...THOMPSON

