EXTENDED WARNING …
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
305 PM CDT THU JUN 9 2011
KANE IL-KANKAKEE IL-KENDALL IL-LA SALLE IL-OGLE IL-WILL IL-GRUNDY IL-
DE KALB IL-DUPAGE IL-LEE IL-PORTER IN-JASPER IN-COOK IL-LAKE IN-
305 PM CDT THU JUN 9 2011
…FLASH FLOOD WARNING REMAINS IN EFFECT FOR LAKE…SOUTHERN COOK…
NORTHERN JASPER…PORTER…LEE…DUPAGE…DE KALB…NORTHERN
GRUNDY…WILL…SOUTHERN OGLE…NORTHERN LA SALLE…KENDALL…
NORTHEASTERN KANKAKEE AND SOUTHERN KANE COUNTIES UNTIL 530 PM CDT…
AT 302 PM CDT…FLASH FLOODING CONTINUED ACROSS THE AREA WITH MANY
ROADS STILL IMPACTED BY HIGH WATER. MANY SMALL STREAMS CONTINUED TO
RISE RAPIDLY INCLUDING PORTIONS OF BLACKBERRY CREEK…DU PAGE
RIVER…LITTLE CALUMET RIVER…HART DITCH AND OTHERS.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE…ADDISON…
ALSIP…AURORA…BATAVIA…BERWYN…BLUE ISLAND…BOLINGBROOK…BOONE
GROVE…BROOKFIELD…BURNHAM…BURR RIDGE…CALUMET CITY…CAROL
STREAM…CEDAR LAKE…CHANNAHON…CHATHAM…CHICAGO HEIGHTS…
CICERO…CROWN POINT…DE KALB…DE MOTTE…DIXON…DOLTON…DOWNERS
GROVE…DUNNS BRIDGE…DUPAGE AIRPORT…ELMHURST…FLOSSMOOR…FOREST
PARK AND FRANKFORT.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLOODING OF SMALL CREEKS
AND STREAMS…HIGHWAYS…VIADUCTS AND UNDERPASSES. ADDITIONALLY…
RURAL ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS…STREAMS AND
OTHER LOW LYING AREAS ARE ALSO SUBJECT TO FLOODING.
MOST FLOOD RELATED DEATHS OCCUR IN VEHICLES. DO NOT ATTEMPT TO CROSS
BRIDGES…DIPS…OR OTHER LOW SPOTS IF WATER COVERS THE ROADWAY.
NEVER TRY TO CROSS A FLOWING STREAM…EVEN A SMALL ONE…ON FOOT OR IN A VEHICLE.
+++++++++++++++++++++++++++++++
PREVIOUS WARNING
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
945 AM CDT THU JUN 9 2011
KANE IL-KENDALL IL-LA SALLE IL-OGLE IL-WILL IL-GRUNDY IL-DE KALB IL-
DUPAGE IL-LEE IL-COOK IL-
945 AM CDT THU JUN 9 2011
…FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHERN COOK…LEE…
SOUTHERN DUPAGE…SOUTHERN DE KALB…NORTHERN GRUNDY…WILL…
SOUTHERN OGLE…NORTHERN LA SALLE…KENDALL AND SOUTHERN KANE
COUNTIES UNTIL 1130 AM CDT…
AT 942 AM CDT…NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WERE MOVING OUT OF THE AREA WITH A FEW AREAS OF LIGHT
TO MODERATE RAIN REMAINING. RADAR ESTIMATED STORM TOTAL RAINFALL
GENERALLY RANGED BETWEEN 3 AND 5 INCHES.
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE…
AURORA…BATAVIA…BOLINGBROOK…BURR RIDGE…CHANNAHON…CHICAGO
HEIGHTS…DE KALB…DIXON…DOWNERS GROVE…DUPAGE AIRPORT…
FLOSSMOOR…FRANKFORT…GENEVA…GLENWOOD…HOMER GLEN…INGALLS
PARK…JOLIET…LA SALLE…LEMONT…LISLE…LITTLE ROCK…LOCKPORT…
MARSEILLES…MATTESON…MENDOTA…MIDLOTHIAN…MINOOKA…MOKENA…
MORRIS AND NAPERVILLE.
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.
MOST FLOOD RELATED DEATHS OCCUR IN VEHICLES. DO NOT ATTEMPT TO CROSS
BRIDGES…DIPS…OR OTHER LOW SPOTS IF WATER COVERS THE ROADWAY.
NEVER TRY TO CROSS A FLOWING STREAM…EVEN A SMALL ONE…ON FOOT OR
IN A VEHICLE.
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