Tuesday, July 29, 2014

Hazardous Weather Outlook for Mchenry Co., IL

FLUS43 KLOT 292030
HWOLOT

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
330 PM CDT TUE JUL 29 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-
330 PM CDT TUE JUL 29 2014 /430 PM EDT TUE JUL 29 2014/

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

.DAY ONE...TONIGHT.

WEATHER HAZARDS EXPECTED:

ISOLATED TO SCATTERED THUNDERSTORMS...SOME OF WHICH MAY
PRODUCE:

OCCASIONAL CLOUD TO GROUND LIGHTNING.
BRIEF GUSTY WINDS.

AREAS AFFECTED AND TIMING:

GENERALLY EAST OF A DIXON TO JOLIET TO RENSSELAER LINE INTO
THE EARLY EVENING HOURS.

DISCUSSION:

SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS HAD DEVELOPED
ACROSS PORTIONS OF NORTH CENTRAL ILLINOIS AND NORTHWEST
ILLINOIS DURING THE MID AFTERNOON HOURS...ALONG A WEAK
SURFACE TROUGH. THESE ISOLATED THUNDERSTORMS WILL CONTINUE
DEVELOP WHILE DRIFTING SOUTHEAST INTO THE EARLY EVENING
HOURS...BEFORE DECREASING INSTABILITY WITH SUNSET RESULTS IN
THEIR DISSIPATION. ADDITIONAL ISOLATED STORMS MAY FORM DURING
THE LATE AFTERNOON HOURS ALONG THE LAKE BREEZE BOUNDARY OVER
THE CHICAGO AREA. DUE TO THE PRESENCE OF ONLY RELATIVELY WEAK
INSTABILITY AND THE LACK OF STRONG DEEP LAYER WIND SHEAR...
SEVERE WEATHER IS NOT EXPECTED.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

ISOLATED TO SCATTERED MAINLY AFTERNOON THUNDERSTORMS ARE POSSIBLE
WEDNESDAY THROUGH SATURDAY...AND AGAIN MONDAY INTO TUESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.

&&

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