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3 products issued by NWS for: Chicago IL
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Hazardous Weather Outlook

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
358 PM CDT FRI AUG 22 2014

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
232100-
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-
358 PM CDT FRI AUG 22 2014 /458 PM EDT FRI AUG 22 2014/

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

.DAY ONE...TONIGHT.

  WEATHER HAZARDS EXPECTED:

   SCATTERED THUNDERSTORMS...SOME COULD PRODUCE:
    TORRENTIAL RAINFALL AND FLASH FLOODING.
    FREQUENT CLOUD TO GROUND LIGHTNING.
    WIND GUSTS OVER 30 MPH.

   AREAS AFFECTED AND TIMING:

   ADDITIONAL THUNDERSTORMS ARE POSSIBLE LATE THIS AFTERNOON AND
   TONIGHT...THOUGH CONFIDENCE REGARDING COVERAGE AND TIMING IS
   SOMEWHAT LOW.

   DISCUSSION:

   VERY WARM AND HUMID AIR WILL REMAIN IN PLACE AS AN UPPER LEVEL
   RIDGE SLOWLY BUILDS ACROSS THE REGION. THUNDERSTORMS ARE
   POSSIBLE LATER THIS AFTERNOON  WITH A SLIGHTLY BETTER CHANCE
   TONIGHT. THE MAIN THREAT FROM THESE STORMS WILL BE TORRENTIAL
   RAINFALL WHICH MAY LEAD TO FLASH FLOODING. WITH THE SOIL
   SATURATED IN MANY AREAS...ANY ADDITIONAL HEAVY RAIN MAY QUICKLY
   LEAD TO FLASH FLOODING. RAINFALL RATES WITH ANY THUNDERSTORMS
   THAT DEVELOP COULD REACH 2 TO 3 INCHES PER HOUR.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

THERE IS A CHANCE OF THUNDERSTORMS SATURDAY AND SATURDAY NIGHT...
SUNDAY AFTERNOON...WITH CHANCES INCREASING SOME MONDAY THROUGH
EARLY THURSDAY. HEAVY RAIN AND FLASH FLOODING WILL BE POSSIBLE
WITH ANY THUNDERSTORMS THAT DEVELOP.

HEAT INDICES COULD EXCEED 100 DEGREES SUNDAY AND MONDAY
AFTERNOONS.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO REPORT HEAVY RAINFALL TOTALS TO THE
NATIONAL WEATHER SERVICE CHICAGO.

&&

$$



Flood Warning

FLOOD WARNING
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
218 PM CDT FRI AUG 22 2014

ILC031-043-231930-
/O.EXT.KLOT.FA.W.0010.000000T0000Z-140823T1930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DUPAGE IL-COOK IL-
218 PM CDT FRI AUG 22 2014

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS EXTENDED THE

* FLOOD WARNING FOR...
  DUPAGE COUNTY IN NORTHEAST ILLINOIS...
  SOUTHERN COOK COUNTY IN NORTHEAST ILLINOIS...

* UNTIL 230 PM CDT SATURDAY

* AT 218 PM CDT...EMERGENCY MANAGEMENT REPORTED THAT FLOODING
  CONTINUES ACROSS PORTIONS OF THE WARNED AREA. RADAR ESTIMATES AND
  AND MEASURED RAINFALL REPORTS INDICATE THAT UP TO AROUND 5 INCHES
  HAD FALLEN OVERNIGHT AND EARLY THIS MORNING.

* SOME LOCATIONS THAT ARE EXPERIENCING FLOODING INCLUDE...ADDISON...
  HINSDALE...ELMHURST...WOOD DALE...BURBANK...OAK LAWN...BEDFORD
  PARK...BRIDGEVIEW...ALONG WITH OTHER LOCATIONS ALONG THE SALT
  CREEK AND ADDISON CREEK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE ELEVATED LEVELS ON SMALL
CREEKS AND STREAMS...PONDING OF WATER ON ROADS...URBAN AREAS...
HIGHWAYS... UNDERPASSES AND LOW LYING AREAS.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

&&

LAT...LON 4159 8753 4160 8765 4169 8794 4181 8824
      4200 8823 4201 8804 4192 8783 4183 8769
      4175 8752

$$

BMD








Flood Warning

FLOOD WARNING
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
815 AM CDT FRI AUG 22 2014

...THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A FLOOD WARNING
FOR THE FOLLOWING RIVERS IN ILLINOIS...

  DES PLAINES RIVER AT RIVERSIDE AFFECTING COOK COUNTY
  W BR DU PAGE RIVER NEAR WARRENVILLE AFFECTING DU PAGE COUNTY

.TORRENTIAL RAINFALL OF 2 TO 4 INCHES ACROSS NORTHEAST ILLINOIS IS
RESULTING IN RISES ON PORTIONS OF THE DES PLAINES AND DU PAGE
RIVERS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...IF YOU ENCOUNTER A FLOODED ROADWAY...TURN AROUND AND
FIND AN ALTERNATE ROUTE.

ADDITIONAL INFORMATION CAN BE FOUND AT WEATHER.GOV/CHICAGO.

&&

ILC031-230115-
/O.NEW.KLOT.FL.W.0074.140822T1710Z-140823T0130Z/
/RVRI2.1.ER.140822T1710Z.140822T1800Z.140822T1930Z.UU/
815 AM CDT FRI AUG 22 2014

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A

* FLOOD WARNING FOR
  THE DES PLAINES RIVER AT RIVERSIDE.
* FROM THIS AFTERNOON TO THIS EVENING.
* AT  745 AM FRIDAY THE STAGE WAS 6.5 FEET.
* FLOOD STAGE IS 7.0 FEET.
* MINOR FLOODING IS FORECAST.
* FORECAST...RISE ABOVE FLOOD STAGE BY THIS AFTERNOON AND CONTINUE TO
  RISE TO NEAR 7.1 FEET BY THIS AFTERNOON.
* IMPACT...AT 7.5 FEET...PARK AREAS ARE INUNDATED NEAR SALT CREEK.

&&

LAT...LON 4192 8789 4184 8786 4178 8791 4174 8780
      4183 8776 4192 8778

$$



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