Hazardous Weather Outlook

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1044 AM CDT SUN MAY 19 2013

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
201545-
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-
1044 AM CDT SUN MAY 19 2013 /1144 AM EDT SUN MAY 19 2013/

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 WHICH MAY PRODUCE...
   WIND GUSTS TO 60 MPH.
   HAIL ONE INCH IN DIAMETER.
   LOCALLY HEAVY RAIN.
   CLOUD TO GROUND LIGHTNING.

  AREAS AFFECTED AND TIMING:

  SCATTERED THUNDERSTORMS WILL BE POSSIBLE THIS EVENING INTO THE
  OVERNIGHT HOURS...FIRST ACROSS NORTH CENTRAL ILLINOIS AND THEN
  SPREADING EAST ACROSS THE REST OF THE AREA OVERNIGHT.

  DISCUSSION:

  AN UPPER LEVEL WAVE WILL MOVE ACROSS THE REGION TONIGHT.
  THUNDERSTORMS ARE EXPECTED TO DEVELOP WEST OF THE AREA LATER
  TODAY SPREADING ACROSS THE AREA THIS EVENING AND OVERNIGHT. ANY
  STORMS THAT DO MOVE INTO THE AREA ARE EXPECTED TO BE IN A
  DISSIPATING STAGE...WITH THE BEST CHANCE OF SEVERE WEATHER
  GENERALLY ALONG AND WEST OF A ROCKFORD TO PONTIAC LINE.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

SCATTERED THUNDERSTORMS WILL BE POSSIBLE MONDAY THROUGH WEDNESDAY
NIGHT WITH THE POTENTIAL FOR SEVERE WEATHER DURING THIS SAME TIME
PERIOD ACROSS THE ENTIRE AREA. THE MAIN SEVERE WEATHER THREATS
WILL BE DAMAGING WIND GUSTS AND LARGE HAIL.

HEAVY RAIN WILL ALSO BE POSSIBLE FROM ANY OF THE THUNDERSTORMS
THAT FORM ALONG WITH PERIODS OF HEAVY RAIN ESPECIALLY MONDAY NIGHT
INTO TUESDAY MORNING AND AGAIN TUESDAY NIGHT INTO WEDNESDAY
MORNING. STORM TOTAL RAINFALL AMOUNTS COULD REACH 3 INCHES IN SOME
AREAS. THESE RAINFALL AMOUNTS COULD CAUSE LOCALIZED FLOODING...
ESPECIALLY IN LOW LYING AND POOR DRAINAGE AREAS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.

&&

$$