Severe Thunderstorm Watch

SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 196
NWS STORM PREDICTION CENTER NORMAN OK
750 PM CDT MON MAY 20 2013

SEVERE THUNDERSTORM WATCH 196 IS IN EFFECT UNTIL 300 AM CDT
FOR THE FOLLOWING LOCATIONS

ILC007-011-015-031-037-043-053-063-073-075-085-089-091-093-097-
099-103-105-111-141-155-161-177-195-197-201-210800-
/O.NEW.KWNS.SV.A.0196.130521T0050Z-130521T0800Z/

IL
.    ILLINOIS COUNTIES INCLUDED ARE

BOONE                BUREAU              CARROLL
COOK                 DE KALB             DUPAGE
FORD                 GRUNDY              HENRY
IROQUOIS             JO DAVIESS          KANE
KANKAKEE             KENDALL             LAKE
LA SALLE             LEE                 LIVINGSTON
MCHENRY              OGLE                PUTNAM
ROCK ISLAND          STEPHENSON          WHITESIDE
WILL                 WINNEBAGO
$$

Hazardous Weather Outlook

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
422 PM CDT MON MAY 20 2013

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
212130-
WINNEBAGO-BOONE-MCHENRY-LAKE ILLINOIS-OGLE-LEE-DE KALB-KANE-
DUPAGE-COOK-LA SALLE-KENDALL-GRUNDY-WILL-KANKAKEE-LIVINGSTON-
IROQUOIS-FORD-LAKE INDIANA-PORTER-NEWTON-JASPER-BENTON-
422 PM CDT MON MAY 20 2013 /522 PM EDT MON MAY 20 2013/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.

.DAY ONE...TONIGHT.

 WEATHER HAZARDS EXPECTED:

  THUNDERSTORMS...THE STRONGEST COULD PRODUCE:
    HAIL TO THE SIZE OF HALF DOLLARS.
    WIND GUSTS OVER 60 MPH.
    FREQUENT CLOUD TO GROUND LIGHTNING.
    AND HEAVY RAIN.

  AREAS AFFECTED AND TIMING:

  SCATTERED THUNDERSTORMS ARE EXPECTED LATE THIS AFTERNOON INTO
  EARLY THIS EVENING SOUTHEAST OF INTERSTATE 55 AND INTO NORTHWEST
  INDIANA. ADDITIONAL THUNDERSTORMS WILL MOVE INTO THE WESTERN
  PORTIONS OF THE OUTLOOK AREA BY MID TO LATE
  EVENING...POTENTIALLY SPREADING ACROSS THE REMAINDER OF THE
  OUTLOOK AREA OVERNIGHT.

  DISCUSSION:

  SCATTERED THUNDERSTORMS ARE EXPECTED THROUGH EARLY THIS EVENING
  OVER NORTHWEST INDIANA INTO EAST CENTRAL ILLINOIS. THERE IS A
  SLIGHT CHANCE OF THESE STORMS BECOMING SEVERE WITH LARGE HAIL
  AND DAMAGING WINDS A THREAT.

  IN ADDITION...THUNDERSTORMS DEVELOPING OVER MISSOURI MONDAY
  AFTERNOON WILL TRACK NORTHEAST INTO THE OUTLOOK AREA DURING THE
  MID TO LATE EVENING AND CONTINUE INTO THE OVERNIGHT. SOME
  POTENTIAL ALSO EXISTS FOR THESE STORMS TO BE SEVERE WITH
  DAMAGING WINDS THE PRIMARY THREAT...THOUGH LARGE HAIL IS ALSO
  POSSIBLE.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

SCATTERED SHOWERS AND THUNDERSTORMS ARE POSSIBLE TUESDAY WITH A
HIGHER CHANCE TUESDAY EVENING AND TUESDAY NIGHT. SOME STORMS MAY
BECOME SEVERE WITH DAMAGING WINDS AND LARGE HAIL THE MAIN THREATS.
HEAVY RAINFALL IS ALSO POSSIBLE...ESPECIALLY TUESDAY NIGHT.

ADDITIONAL THUNDERSTORMS ARE POSSIBLE WEDNESDAY AND AGAIN SATURDAY
THROUGH MONDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS MAY BE NEEDED THROUGH TONIGHT.

&&

$$