FLUS43 KLOT 031559
HWOLOT
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1059 AM CDT THU APR 3 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-
1059 AM CDT THU APR 3 2014 /1159 AM EDT THU APR 3 2014/
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
.DAY ONE...THIS AFTERNOON AND TONIGHT.
WEATHER HAZARDS EXPECTED:
THUNDERSTORMS...A FEW MAY PRODUCE:
HAIL IN EXCESS OF ONE INCH IN DIAMETER.
STRONG DAMAGING WIND GUSTS TO 60 MPH.
LOCALLY HEAVY RAINFALL.
AREAS AFFECTED AND TIMING:
THUNDERSTORMS WILL REDEVELOP AGAIN ACROSS THE AREA THROUGH THE
EVENING AND CONTINUE INTO THE OVERNIGHT HOURS. THE GREATEST
POTENTIAL FOR SEVERE THUNDERSTORMS WILL PRIMARILY REMAIN SOUTH
OF INTERSTATE 80.
DISCUSSION:
A POTENT SPRING STORM SYSTEM WILL TRACK ACROSS NORTHWESTERN
ILLINOIS AND SOUTHERN WISCONSIN LATE TONIGHT. INCREASING
FORCING FOR ASCENT ASSOCIATED WITH THIS APPROACHING SYSTEM WILL
ALLOW SHOWERS AND THUNDERSTORMS TO REDEVELOP ACROSS THE AREA
THROUGH THE EVENING. THE HIGHEST THREAT FOR SEVERE
THUNDERSTORMS TONIGHT WILL PRIMARILY REMAIN SOUTH OF INTERSTATE
80...IN CLOSER PROXIMITY OF THE NORTHWARD ADVANCING SURFACE
WARM FRONT AND EASTWARD ADVANCING COLD FRONT. HOWEVER...SOME
STRONG STORMS...CAPABLE OF PRODUCING PENNY TO QUARTER SIZE HAIL
ARE ALSO POSSIBLE NORTH OF INTERSTATE 80 TONIGHT.
IN ADDITION TO THE SEVERE THREAT...HEAVY RAINFALL IS ALSO
LIKELY WITH THESE STORMS. ADDITIONAL RAINFALL AMOUNTS TONIGHT
OF UP TO AN INCH ARE POSSIBLE...ESPECIALLY FOR AREAS SOUTH OF
INTERSTATE 80. THIS ADDITIONAL RAINFALL...COMBINED WITH THIS
MORNINGS RAINFALL...WILL LIKELY RESULT IN RISES ON AREA STREAMS
AND RIVERS...WITH FLOODING POSSIBLE IN SOME AREAS.
.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.
STRONG WESTERLY WINDS WITH GUSTS OF 40 TO 45 MPH ARE EXPECTED FRIDAY.
RISES ON AREA RIVERS COULD RESULT IN A CONTINUATION OF RIVER
FLOODING IN SOME AREAS.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BE NEEDED TONIGHT.
&&
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