FLUS43 KLOT 081557
HWOLOT
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1057 AM CDT FRI MAY 8 2015
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-
1057 AM CDT FRI MAY 8 2015
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
.DAY ONE...THIS AFTERNOON AND TONIGHT.
WEATHER HAZARDS EXPECTED:
SCATTERED THUNDERSTORMS...SOME OF WHICH MAY PRODUCE:
CLOUD TO GROUND LIGHTNING.
LOCALLY HEAVY RAINFALL IN EXCESS OF AN INCH.
ISOLATED WIND GUSTS TO 50 MPH.
ISOLATED HAIL TO THE SIZE OF NICKELS.
AREAS AFFECTED AND TIMING:
SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP OVER THE
AREA THIS AFTERNOON...WITH OCCASIONAL SHOWERS AND STORMS
CONTINUING THROUGH THIS EVENING.
DISCUSSION:
A COLD FRONT WILL SLOWLY APPROACH THE AREA FROM THE WEST
TODAY...WHILE A SERIES OF WEAK UPPER LEVEL DISTURBANCES
LIFT NORTHEAST ACROSS THE REGION. CLUSTERS OF SCATTERED
THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS AFTERNOON AND
EVENING AS THE WARM...AND VERY MOIST AIR MASS AHEAD OF THE COLD
FRONT DESTABILIZES. WHILE ORGANIZED SEVERE WEATHER IS NOT
EXPECTED...A FEW OF THE STRONGEST STORMS DURING THE AFTERNOON
OR EARLY EVENING HOURS COULD PRODUCE ISOLATED GUSTY WINDS TO 50
MPH AND HAIL TO NICKEL SIZE. SCATTERED THUNDERSTORMS WILL
LIKELY CONTINUE INTO THE OVERNIGHT HOURS AS THE COLD FRONT
SLOWLY SETTLES SOUTHEAST ACROSS THE AREA AND A WEAK AREA OF LOW
PRESSURE MOVES ALONG IT. ANY OF THE STORMS THIS AFTERNOON AND
TONIGHT MAY PRODUCE LOCALLY HEAVY DOWNPOURS...WITH SOME AREAS
LIKELY SEEING MULTIPLE ROUNDS OF STORMS THAT COULD PRODUCE
RAINFALL AMOUNTS IN EXCESS OF TWO INCHES. THIS COULD RESULT IN
SOME FLOODING ISSUES...ESPECIALLY IN THE URBAN AREAS OF THE
CHICAGO METRO AREA.
.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.
PERIODIC CHANCES OF THUNDERSTORMS ARE POSSIBLE THROUGH MONDAY...
WITH THE GREATEST POTENTIAL FOR SEVERE STORMS AND HEAVY RAINFALL
LATE SUNDAY INTO MONDAY.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.
&&
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