

378 

WWUS20 KWNS 210310

SEL1

SPC WW 210310

ILZ000-INZ000-210700-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 321

NWS STORM PREDICTION CENTER NORMAN OK

1015 PM CDT SAT JUN 20 2015



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  EAST CENTRAL ILLINOIS

  WESTERN INDIANA



* EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 1015 PM

  UNTIL 200 AM CDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  ISOLATED LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE



SUMMARY...A LINE OF STRONG THUNDERSTORMS WILL TRACK EASTWARD ACROSS

THE WATCH AREA THROUGH THE NEXT SEVERAL HOURS.  STORMS ARE LIKELY TO

SLOWLY WEAKEN...BUT POTENTIAL WILL EXIST FOR LOCALLY DAMAGING WINDS

IN THE STRONGEST STORMS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 45

STATUTE MILES EAST AND WEST OF A LINE FROM 55 MILES NORTH

NORTHWEST OF DANVILLE ILLINOIS TO 25 MILES SOUTHEAST OF MATTOON

ILLINOIS.  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...CONTINUE...WW 319...WW 320...



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 500. MEAN STORM MOTION

VECTOR 29030.





...HART



052 

WWUS20 KWNS 210310

SEL1

SPC WW 210310

ILZ000-INZ000-210700-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 321

NWS STORM PREDICTION CENTER NORMAN OK

1015 PM CDT SAT JUN 20 2015



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  EAST CENTRAL ILLINOIS

  WESTERN INDIANA



* EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 1015 PM

  UNTIL 200 AM CDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  ISOLATED LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE



SUMMARY...A LINE OF STRONG THUNDERSTORMS WILL TRACK EASTWARD ACROSS

THE WATCH AREA THROUGH THE NEXT SEVERAL HOURS.  STORMS ARE LIKELY TO

SLOWLY WEAKEN...BUT POTENTIAL WILL EXIST FOR LOCALLY DAMAGING WINDS

IN THE STRONGEST STORMS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 45

STATUTE MILES EAST AND WEST OF A LINE FROM 55 MILES NORTH

NORTHWEST OF DANVILLE ILLINOIS TO 25 MILES SOUTHEAST OF MATTOON

ILLINOIS.  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...CONTINUE...WW 319...WW 320...



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 500. MEAN STORM MOTION

VECTOR 29030.





...HART

