Alert archive / Illinois / River Flood Warnings in 2011

River Flood Warning 59, NWS Chicago, IL

May 26, 2011Grundy County, Illinois

NWS Chicago, IL issued this river flood warning at May 26, 2011, 11:51 AM CDT for Grundy County, Illinois. It took effect at May 26, 2011, 5:38 PM CDT. It was in force for 28 hr.

The area

The counties it named.

The facts

Issued: May 26, 2011, 11:51 AM CDT (16:51 UTC)
In effect from: May 26, 2011, 5:38 PM CDT
Expired: May 27, 2011, 9:15 PM CDT
In force: 28 hr
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 16:55 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 May 26, 11:02 AM CDT, 49 minutes earlier.

Area forecast discussion, May 26, 11:02 AM CDT, 49 minutes before

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Hazardous weather outlook, May 26, 10:26 AM CDT, 1 hour 25 minutes before

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In the hours before

Local storm report, May 26, 6:20 AM CDT, 5 hours 31 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
620 AM CDT THU MAY 26 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0600 AM     HEAVY RAIN       1 ESE ELK GROVE VILLAGE 42.00N 87.97W
05/26/2011  M2.20 INCH       COOK               IL   COCORAHS

            STORM TOTAL THROUGH 6AM TODAY.

&&

RC

Local storm report, May 26, 7:31 AM CDT, 4 hours 20 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
731 AM CDT THU MAY 26 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0700 AM     HEAVY RAIN       ROMEOVILLE              41.65N 88.09W
05/26/2011  M2.92 INCH       WILL               IL   OFFICIAL NWS OBS

            24 HOUR TOTAL AT NWS CHICAGO.

&&

RC

Local storm report, May 26, 7:34 AM CDT, 4 hours 17 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
734 AM CDT THU MAY 26 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0700 AM     HEAVY RAIN       OHARE AIRPORT           41.98N 87.90W
05/26/2011  M3.15 INCH       COOK               IL   OFFICIAL NWS OBS

            24 HOUR TOTAL.

&&

RC

Local storm report, May 26, 7:38 AM CDT, 4 hours 13 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
738 AM CDT THU MAY 26 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0540 AM     HEAVY RAIN       2 WSW ELK GROVE VILLAGE 41.99N 88.03W
05/26/2011  M1.83 INCH       DUPAGE             IL   COCORAHS

            24 HOUR TOTAL. RAIN STILL FALLING AT OBSERVATION. PONDING
            OF WATER IN LOW AREAS. MINOR STANDING WATER IN STREETS AT
            GULLYS/EDGES.

&&

RC

Local storm report, May 26, 8:17 AM CDT, 3 hours 34 minutes before

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Local storm report, May 26, 10:22 AM CDT, 1 hour 29 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
May 25, 7:01 PM CDT	Severe Thunderstorm Warning	LOT	Ford, Iroquois, Livingston	59 min
May 25, 7:06 PM CDT	Areal Flood Advisory	LOT	DeKalb, Ford, Grundy, Iroquois, Kankakee, Kendall and 5 more	6 hr
May 25, 7:37 PM CDT	Severe Thunderstorm Warning	LOT	Iroquois, Kankakee	53 min
May 25, 7:46 PM CDT	Flash Flood Warning	LOT	DeKalb, LaSalle, Lee	5 hr
May 25, 7:50 PM CDT	Severe Thunderstorm Warning	LOT	Iroquois	70 min
May 25, 8:09 PM CDT	Flash Flood Warning	LOT	Kankakee, Will	6 hr
May 25, 9:22 PM CDT	River Flood Advisory	LOT	Cook	13 hr
May 25, 10:14 PM CDT	River Flood Warning	LOT	Bureau, LaSalle	13 days
May 25, 10:21 PM CDT	River Flood Watch	LOT	LaSalle	7 hr
May 25, 10:26 PM CDT	River Flood Advisory	LOT	Grundy	15 hr
May 26, 4:56 AM CDT	River Flood Warning	LOT	LaSalle	4 days
May 26, 4:56 AM CDT	River Flood Warning	LOT	Iroquois	16 hr
May 26, 7:46 AM CDT	Gale Warning	LOT		13 hr
May 26, 7:46 AM CDT	Small Craft Advisory	LOT		31 hr
May 26, 8:54 AM CDT	River Flood Warning	LOT	Cook	21 hr
May 26, 10:25 AM CDT	River Flood Warning	LOT	Lake	23 hr
May 26, 10:25 AM CDT	River Flood Warning	LOT	Cook	23 hr
May 26, 10:25 AM CDT	River Flood Warning	LOT	LaSalle	11 hr
May 26, 10:25 AM CDT	River Flood Warning	LOT	Iroquois	11 hr
May 26, 10:25 AM CDT	River Flood Warning	LOT	LaSalle	31 hr
May 26, 10:51 AM CDT	River Flood Advisory	LOT	Cook	10 hr
May 26, 10:51 AM CDT	River Flood Advisory	LOT	Kane, Kendall	32 hr
May 26, 10:51 AM CDT	River Flood Advisory	LOT	Grundy	30 hr
May 26, 10:51 AM CDT	River Flood Advisory	LOT	Kankakee	44 hr
May 26, 10:51 AM CDT	River Flood Advisory	LOT	Grundy, Will	47 hr
May 25, 10:14 PM CDT	River Flood Warning	LOT	Lake, Newton	27 days
May 25, 10:28 PM CDT	River Flood Advisory	LOT	Newton	8 days
May 26, 6:43 AM CDT	River Flood Warning	LOT	Lake	15 hr
May 26, 10:25 AM CDT	River Flood Warning	LOT	Porter	11 days
May 26, 10:25 AM CDT	River Flood Warning	LOT	Jasper, Porter	11 days
May 26, 10:25 AM CDT	River Flood Warning	LOT	Jasper	11 hr

Nearby

River Flood Warnings in Illinois, 2011 Every river flood warning in 2011

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.