FLUS43 KLOT 200941
HWOLOT
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
441 AM CDT TUE MAY 20 2014
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-
441 AM CDT TUE MAY 20 2014 /541 AM EDT TUE MAY 20 2014/
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
.DAY ONE...TODAY AND TONIGHT.
WEATHER HAZARDS EXPECTED:
THUNDERSTORMS...SOME OF WHICH MAY BE SEVERE WITH:
HAIL TO THE SIZE OF GOLF BALLS.
DAMAGING WINDS.
ISOLATED FLASH FLOODING.
AN OUTSIDE CHANCE OF A TORNADO.
AREAS AFFECTED AND TIMING:
SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP LATE THIS
AFTERNOON ACROSS FAR NORTHERN ILLINOIS AND EXPAND IN COVERAGE
THIS EVENING ACROSS MUCH OF NORTH CENTRAL AND NORTHEAST
ILLINOIS...AND INTO NORTHWEST INDIANA. STORMS WILL SLOWLY
DIMINISH IN COVERAGE AND INTENSITY OVERNIGHT. THE SEVERE WEATHER
THREAT LOOKS TO BE AT ITS PEAK ALONG AND NORTH OF INTERSTATE
80...AND MAINLY BETWEEN 6 PM AND 1 AM.
DISCUSSION:
AN APPROACHING COLD FRONT WILL COMBINE WITH WARM AND UNSTABLE AIR
ACROSS THE AREA TO DEVELOP SCATTERED THUNDERSTORMS ACROSS FAR
NORTHERN ILLINOIS LATE THIS AFTERNOON. THESE INITIAL STORMS WILL
BE CAPABLE OF LARGE HAIL AND POSSIBLY STRONG WINDS...ALONG WITH AN
OUTSIDE CHANCE OF A TORNADO. AS WINDS ALOFT INCREASE THIS EVENING
STORMS WILL LIKELY ORGANIZE AND HAVE THEIR BEST LIKELIHOOD OF
STRONG WINDS AS THEY EVOLVE SOUTHEAST...INCLUDING ACROSS THE
CHICAGO METRO AREA. THE STORMS WILL MAINTAIN A HAIL THREAT AS WELL
AS AN ISOLATED FLASH FLOOD THREAT...AS IT IS POSSIBLE FOR A
SEVERAL HOUR PERIOD OF STORMS IN SOME COMMUNITIES. STORMS SHOULD
SLOWLY DIMINISH IN INTENSITY OVERNIGHT...WITH A SLOW PROGRESSION
SOUTHWARD.
.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.
THERE IS A CHANCE OF THUNDERSTORMS SOUTH OF INTERSTATE 80 ON
WEDNESDAY. SOME OF THESE STORMS COULD AGAIN BE STRONG TO
SEVERE...WITH LARGE HAIL AND DAMAGING WINDS THE MAIN THREATS FROM
ANY SEVERE STORMS.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BE NEEDED LATE THIS AFTERNOON AND
TONIGHT...ESPECIALLY IN AREAS NORTH OF INTERSTATE 80.
&&
http://goo.gl/0igcuj
------------------------------------------------
(c) Copyleft 2014 WxNotify. All wrongs reserved.
