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Hazardous Weather Outlook

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1116 AM CDT TUE JUL 29 2014

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
301630-
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-
1116 AM CDT TUE JUL 29 2014 /1216 PM EDT TUE JUL 29 2014/

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

.DAY ONE...THIS AFTERNOON AND 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:

   ISOLATED THUNDERSTORMS WILL DEVELOP DURING THE EARLY AND
   MID AFTERNOON HOURS. A FEW THUNDERSTORMS MAY PERSIST INTO
   THE EVENING HOURS. AREAS WITH THE GREATEST CHANCE OF
   THUNDERSTORMS ARE EXPECTED TO BE EAST OF A ROCKFORD TO
   KANKAKEE AND WATSEKA LINE.

  DISCUSSION:

   A WEAK UPPER LEVEL DISTURBANCE WILL APPROACH THE REGION FROM
   THE NORTH LATE THIS AFTERNOON AND THIS EVENING. THIS DISTURBANCE
   WILL PROVED LIFT AND COOLING OF AIR ALOFT WHICH COMBINED WITH
   AFTERNOON AND EARLY EVENING LOW LEVEL INSTABILITY TO PRODUCE
   ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS. THUNDERSTORMS
   WILL BE MOST LIKELY TO DEVELOP IN AREAS OF ENHANCED LOW LEVEL
   CONVERGENCE...SUCH AS THE LAKE BREEZE BOUNDARY FROM LAKE
   MICHIGAN. ANY THUNDERSTORMS WILL DISSIPATE BY LATE EVENING.
   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.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.

&&

$$



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