Alert archive / Illinois / River Flood Warnings in 2009

River Flood Warning 49, NWS Chicago, IL

March 8, 2009Grundy County, Illinois

NWS Chicago, IL issued this river flood warning at Mar 8, 2009, 12:13 PM CDT for Grundy County, Illinois. It took effect at Mar 8, 2009, 4:43 PM CDT. It was in force for 6 days.

The area

The counties it named.

The facts

Issued: Mar 8, 2009, 12:13 PM CDT (17:13 UTC)
In effect from: Mar 8, 2009, 4:43 PM CDT
Expired: Mar 15, 2009, 3:08 AM CDT
In force: 6 days
Issued by: NWS Chicago, IL
Flood severity: Moderate

County Grundy County, IL

The radar

The Chicago radar (KLOT), 45 km from the middle of the area, began a volume at 17:14 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The river

Written for the forecast point Illinois River at Morris (MORI2).

Action stage: 13 ft
Minor stage: 16 ft
Moderate stage: 18 ft
Major stage: 22 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05542500, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Chicago, IL wrote its last area forecast discussion before this river flood warning went out at Mar 8, 11:38 AM CDT, 35 minutes earlier.

Area forecast discussion, Mar 8, 11:38 AM CDT, 35 minutes before

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Hazardous weather outlook, Mar 8, 11:03 AM CDT, 1 hour 10 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1103 AM CDT SUN MAR 8 2009

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
091615-
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-
1103 AM CDT SUN MAR 8 2009 /1203 PM EDT SUN MAR 8 2009/

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

.DAY ONE...TODAY AND TONIGHT.

  WEATHER HAZARDS EXPECTED:

   SCATTERED THUNDERSTORMS...A FEW MAY PRODUCE:
     HAIL TO THE SIZE OF QUARTERS.
     DAMAGING STRAIGHT LINE WINDS TO 65 MPH.
     ISOLATED TORNADOES.

   NON-THUNDERSTORM WIND GUSTS TO 45 MPH.

  AREAS AFFECTED AND TIMING:

   SCATTERED THUNDERSTORMS WILL AFFECT MUCH OF THE OUTLOOK AREA
   THROUGH THIS AFTERNOON. THE GREATEST RISK OF SEVERE
   THUNDERSTORMS IS SOUTH OF INTERSTATE 80 WHERE EMBEDDED
   SUPERCELLS ARE POSSIBLE THIS AFTERNOON. LARGE HAIL...DAMAGING
   WINDS...AND ISOLATED TORNADOES ARE POSSIBLE...MAINLY SOUTH OF
   INTERSTATE 80 THIS AFTERNOON. THE THREAT OF SEVERE WEATHER WILL
   DIMINISH BY LATE THIS AFTERNOON.

  STRONG NON-THUNDERSTORM WIND GUSTS ARE LIKELY THIS AFTERNOON
  AND EVENING ACROSS MUCH OF THE OUTLOOK AREA...THOUGH THE
  STRONGEST WINDS WILL OCCUR SOUTHEAST OF A CHICAGO TO PERU LINE.

  DISCUSSION:

  A LOW PRESSURE SYSTEM CURRENTLY IN THE SOUTHERN PLAINS WILL
  LIFT NORTHEAST INTO NORTH CENTRAL ILLINOIS BY MID AFTERNOON. A
  WARM FRONT EXTENDING EAST FROM THIS LOW WILL LIFT NORTH AND
  BRING WARM...MOIST AIR ALONG WITH IT INTO THE SOUTHEAST PORTION
  OF THE OUTLOOK AREA. THUNDERSTORMS ARE EXPECTED TO DEVELOP IN
  THIS WARM SECTOR...A FEW OF WHICH MAY BECOME SUPER CELLULAR
  CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS...AND ISOLATED
  TORNADOES...MAINLY SOUTH OF INTERSTATE 80.

  ANY SEVERE THREAT IS EXPECTED DIMINISH BY EVENING AS A COLD
  FRONT COMES THROUGH. STRONG SOUTHWEST TO WEST WINDS WILL OCCUR
  BEHIND THE FRONT WITH GUSTS OVER 40 MPH POSSIBLE.

  FLOODING IS LIKELY THROUGH TONIGHT IN LOW LYING
  AREAS...ESPECIALLY NEAR STREAMS AND CREEKS. IN
  ADDITION...PORTIONS OF THE KANKAKEE...ILLINOIS AND FOX RIVERS
  WILL REMAIN IN FLOOD.

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

  THUNDERSTORMS ARE EXPECTED TUESDAY AS A RAPIDLY DEEPENING LOW
  PRESSURE SYSTEM DEVELOPS ACROSS THE NORTHERN MIDWEST. SOME OF
  THESE STORMS MAY BECOME SEVERE.

  WINDS ARE ALSO EXPECTED TO BE STRONG OVERNIGHT TUESDAY INTO
  WEDNESDAY WITH GUSTS OVER 40 MPH POSSIBLE AT TIMES.

  PORTIONS OF THE KANKAKEE...ILLINOIS AND FOX RIVERS WILL REMAIN
  IN FLOOD.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NEEDED THIS AFTERNOON.

&&

COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO
WEBPAGE: WEATHER.GOV/CHICAGO

LMZ740>745-091615-
WINTHROP HARBOR TO WILMETTE HARBOR-
WILMETTE HARBOR TO NORTHERLY ISLAND-
NORTHERLY ISLAND TO CALUMET HARBOR-CALUMET HARBOR TO GARY-
GARY TO BURNS HARBOR-BURNS HARBOR TO MICHIGAN CITY-
1103 AM CDT SUN MAR 8 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE ILLINOIS
NEARSHORE WATERS OF LAKE MICHIGAN AND THE INDIANA NEARSHORE
WATERS OF LAKE MICHIGAN.

.DAY ONE...TODAY AND TONIGHT.

SCATTERED THUNDERSTORMS ARE LIKELY THROUGH THIS AFTERNOON.

HAZARDOUS WINDS FOR SMALL CRAFT ARE EXPECTED ALONG THE ILLINOIS
SHORE THROUGH THIS AFTERNOON.

GALE FORCE WINDS WILL THEN DEVELOP ACROSS ALL THE NEARSHORE
WATERS VERY LATE THIS AFTERNOON AND CONTINUE INTO THE EARLY
EVENING.

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

HAZARDOUS WINDS FOR SMALL CRAFT ARE POSSIBLE LATE MONDAY NIGHT
INTO TUESDAY...PARTICULARLY ALONG THE ILLINOIS SHORE.

GALE FORCE WINDS ARE THEN LIKELY TUESDAY NIGHT INTO WEDNESDAY
WITH A SLIGHT CHANCE FOR GUSTS TO NEAR STORM FORCE.

&&

COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO
WEBPAGE: WEATHER.GOV/CHICAGO

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-091615-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE
MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH
FOX ISLAND 5 NM OFFSHORE-
LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI-
LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM TOW RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5 NM OFFSHORE
TO MID LAKE-
LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM NORTH POINT LIGHT TO WIND POINT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WIND POINT WI TO WINTHROP HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM PENTWATER TO MANISTEE MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM HOLLAND TO GRAND HAVEN MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM ST. JOSEPH TO SOUTH HAVEN MI 5 NM OFFSHORE TO
MID LAKE-
1103 AM CDT SUN MAR 8 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE OPEN WATERS
OF LAKE MICHIGAN.

.DAY ONE...TODAY AND TONIGHT.

SCATTERED THUNDERSTORMS ARE LIKELY OVER SOUTHERN PORTIONS OF THE
LAKE THROUGH THIS AFTERNOON.

NORTHWEST GALE FORCE WINDS TO 40 KNOTS ARE LIKELY VERY LATE THIS
AFTERNOON INTO THE EVENING ACROSS SOUTHERN PORTIONS OF THE LAKE.

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

STORM FORCE WINDS ARE POSSIBLE OVER NORTHERN PORTIONS OF THE LAKE
TUESDAY NIGHT INTO WEDNESDAY WITH GALE FORCE WINDS LIKELY OVER
THE SOUTHERN PORTIONS OF THE LAKE.

&&

COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO
WEBPAGE: WEATHER.GOV/CHICAGO

MARSILI

In the hours before

Local storm report, Mar 8, 10:29 AM CDT, 1 hour 44 minutes before

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Local storm report, Mar 8, 10:43 AM CDT, 1 hour 30 minutes before

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Local storm report, Mar 8, 10:50 AM CDT, 1 hour 23 minutes before

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Local storm report, Mar 8, 10:57 AM CDT, 1 hour 16 minutes before

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Local storm report, Mar 8, 11:05 AM CDT, 1 hour 8 minutes before

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Local storm report, Mar 8, 11:24 AM CDT, 49 minutes before

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The office that day

Everything else NWS Chicago, IL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 7, 8:49 PM CST	River Flood Watch	LOT	Kankakee	13 hr
Mar 7, 9:26 PM CST	River Flood Advisory	LOT	Winnebago	14 hr
Mar 7, 9:26 PM CST	River Flood Advisory	LOT	Ogle	14 hr
Mar 7, 9:37 PM CST	River Flood Watch	LOT	Winnebago	14 hr
Mar 8, 3:05 AM CDT	Gale Warning	LOT		22 hr
Mar 8, 3:05 AM CDT	Small Craft Advisory	LOT		14 hr
Mar 8, 4:03 AM CDT	Areal Flood Warning	LOT	Boone, Cook, DeKalb, DuPage, Grundy, Kane and 10 more	30 hr
Mar 8, 6:14 AM CDT	River Flood Warning	LOT	LaSalle	5 days
Mar 8, 6:25 AM CDT	River Flood Watch	LOT	Lake	5 hr
Mar 8, 6:25 AM CDT	River Flood Watch	LOT	Lake	5 hr
Mar 8, 6:31 AM CDT	River Flood Warning	LOT	Cook	4 days
Mar 8, 6:38 AM CDT	River Flood Advisory	LOT	Cook	62 hr
Mar 8, 7:11 AM CDT	Severe Thunderstorm Warning	LOT	Grundy, Kendall, LaSalle, Livingston	64 min
Mar 8, 8:16 AM CDT	Severe Thunderstorm Warning	LOT	Grundy, Kendall, Will	26 min
Mar 8, 9:13 AM CDT	Wind Advisory	LOT	Ford, Grundy, Iroquois, Kankakee, Kendall, LaSalle and 1 more	12 hr
Mar 8, 10:14 AM CDT	River Flood Warning	LOT	Kankakee	11 days
Mar 8, 10:14 AM CDT	River Flood Warning	LOT	Grundy, Will	6 days
Mar 8, 11:05 AM CDT	River Flood Warning	LOT	Lake	6 days
Mar 8, 11:05 AM CDT	River Flood Warning	LOT	Lake	8 days
Mar 8, 11:05 AM CDT	River Flood Warning	LOT	Cook	6 days
Mar 8, 11:05 AM CDT	River Flood Warning	LOT	Cook	4 days
Mar 8, 11:18 AM CDT	River Flood Warning	LOT	LaSalle	4 days
Mar 8, 12:00 PM CDT	River Flood Warning	LOT	Winnebago	12 days
Mar 8, 12:00 PM CDT	River Flood Warning	LOT	Winnebago	8 days
Mar 8, 12:00 PM CDT	River Flood Warning	LOT	Ogle	5 days
Mar 8, 12:00 PM CDT	River Flood Warning	LOT	Boone	58 hr
Mar 8, 12:00 PM CDT	River Flood Warning	LOT	Winnebago	4 days
Mar 8, 12:00 PM CDT	River Flood Warning	LOT	Winnebago	10 days
Mar 8, 1:06 PM CDT	Severe Thunderstorm Warning	LOT	Ford, Grundy, Iroquois, Kankakee, Livingston, Will	39 min
Mar 8, 1:30 PM CDT	River Flood Warning	LOT	Kane, McHenry	11 days
Mar 8, 1:30 PM CDT	River Flood Warning	LOT	Iroquois	11 days
Mar 8, 1:54 PM CDT	Severe Thunderstorm Warning	LOT	Iroquois	51 min
Mar 8, 1:55 PM CDT	Tornado Warning	LOT	Kankakee, Will	65 min
Mar 8, 2:12 PM CDT	River Flood Advisory	LOT	DeKalb	55 hr
Mar 8, 4:36 PM CDT	High Wind Warning	LOT	Ford, Iroquois, Kankakee	2 hr
Mar 8, 6:31 AM CDT	River Flood Warning	LOT	Lake	38 hr
Mar 8, 10:14 AM CDT	River Flood Warning	LOT	Porter	18 days
Mar 8, 10:14 AM CDT	River Flood Warning	LOT	Jasper, Porter	19 days
Mar 8, 10:30 AM CDT	River Flood Warning	LOT	Jasper	9 days
Mar 8, 1:30 PM CDT	River Flood Warning	LOT	Newton	11 days

Nearby

River Flood Warnings in Illinois, 2009 Every river flood warning in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.