Alert archive / Illinois / River Flood Warnings in 2008

River Flood Warning 11, NWS Quad Cities, IA

February 17, 2008Henry County, Rock Island County, Illinois

NWS Quad Cities, IA issued this river flood warning at Feb 17, 2008, 3:36 PM CST for Henry County, Rock Island County, Illinois. It took effect at Feb 17, 2008, 8:03 PM CST. It was in force for 8 days.

The area

The counties it named.

The facts

Issued: Feb 17, 2008, 3:36 PM CST (21:36 UTC)
In effect from: Feb 17, 2008, 8:03 PM CST
Expired: Feb 26, 2008, 12:00 AM CST
In force: 8 days
Issued by: NWS Quad Cities, IA
Flood severity: Minor

Counties Henry County, IL, Rock Island County, IL

The radar

The Quad Cities radar (KDVN), 30 km from the middle of the area, began a volume at 21:38 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 Rock River at Moline (MLII2).

Action stage: 11 ft
Minor stage: 12 ft
Moderate stage: 13 ft
Major stage: 14 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record, 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 Quad Cities, IA wrote its last area forecast discussion before this river flood warning went out at Feb 17, 3:10 PM CST, 26 minutes earlier.

Area forecast discussion, Feb 17, 3:10 PM CST, 26 minutes before

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Hazardous weather outlook, Feb 17, 4:52 AM CST, 10 hours 44 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
452 AM CST SUN FEB 17 2008

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-181100-
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JEFFERSON-
HENRY IA-DES MOINES-VAN BUREN-LEE-JO DAVIESS-STEPHENSON-CARROLL-
WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-HENDERSON-
WARREN-HANCOCK-MCDONOUGH-SCOTLAND-CLARK-
452 AM CST SUN FEB 17 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
ILLINOIS...NORTHWEST ILLINOIS...WEST CENTRAL ILLINOIS...EAST
CENTRAL IOWA...NORTHEAST IOWA...SOUTHEAST IOWA AND NORTHEAST
MISSOURI.

.DAY ONE...TODAY AND TONIGHT
A STRONG WINTER STORM WILL MOVE NORTHEAST THROUGH MISSOURI AND
NORTHWEST ILLINOIS TODAY. THE STORM WILL CONTINUE TO SPREAD RAIN
AND FREEZING RAIN OVER THE AREA THIS MORNING. THE FREEZING RAIN
WILL BE LIMITED TO AREAS ROUGHLY NORTHWEST OF A FREEPORT...CEDAR
RAPIDS...FAIRFIELD LINE. ICE ACCUMULATIONS OF A QUARTER TO A HALF
INCH WILL BE POSSIBLE.  PARTS OF SOUTHEAST IOWA AND WEST CENTRAL
ILLINOIS COULD ALSO HAVE A FEW THUNDERSTORMS AND LOCALLY HEAVY
RAINS THIS MORNING. RUNOFF FROM THE RAIN AND SNOW MELT COULD CAUSE
SOME FLOODING.

THE RAIN WILL CHANGE TO SNOW FROM LATE THIS MORNING INTO THIS
AFTERNOON. SUBSTANTIAL SNOW ACCUMULATIONS ARE EXPECTED WEST OF A
LINE FROM MEMPHIS MISSOURI THROUGH FREEPORT ILLINOIS. PARTS OF
THIS AREA COULD SEE AS MUCH AS 6 TO 8 INCHES OF SNOW BY LATE THIS
EVENING. SNOWFALL AMOUNTS WILL DROP OFF RAPIDLY TO THE EAST.
AMOUNTS OF 1 OR 2 INCHES ARE EXPECTED OVER WEST CENTRAL ILLINOIS.
VERY WINDY CONDITIONS ARE ALSO EXPECTED THIS AFTERNOON AND THIS
EVENING. NORTHWEST WINDS WILL BE INCREASING TO 20 TO 30 MPH WITH
GUSTS TOPPING 40 MPH AT TIMES. THE STRONG WINDS WILL CREATE
CONSIDERABLE BLOWING AND DRIFTING SNOW. THE STRONG
WINDS...SNOWFALL AND BLOWING SNOW WILL CREATE NEAR BLIZZARD
CONDITIONS THIS AFTERNOON AND THIS EVENING OVER PARTS OF NORTHWEST
ILLINOIS...EAST CENTRAL AND SOUTHEAST IOWA AND NORTHEAST MISSOURI.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

ANOTHER SURGE OF ARCTIC AIR WILL MOVE INTO THE AREA EARLY THIS WEEK.
TEMPERATURES AROUND ZERO AND WIND CHILL BETWEEN -10 AND -20 ARE
EXPECTED MONDAY NIGHT.

ANOTHER WINTER STORM MAY MOVE THROUGH THE REGION FRIDAY AND SATURDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED THIS AFTERNOON OR TONIGHT.
BUT...SPOTTERS ARE ENCOURAGED TO CALL IN REPORTS OF RAIN...SNOW AND
ICE AMOUNTS TO THE NATIONAL WEATHER SERVICE DURING THIS WINTER STORM.

In the hours before

Local storm report, Feb 17, 2:53 PM CST, 43 minutes before

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Local storm report, Feb 17, 3:06 PM CST, 30 minutes before

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Local storm report, Feb 17, 3:09 PM CST, 27 minutes before

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Local storm report, Feb 17, 3:15 PM CST, 21 minutes before

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Local storm report, Feb 17, 3:17 PM CST, 19 minutes before

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Local storm report, Feb 17, 3:29 PM CST, 7 minutes before

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The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 17, 9:39 AM CST	River Flood Warning	DVN	Hancock, McDonough	4 days
Feb 17, 3:39 PM CST	River Flood Advisory	DVN	Henry, Rock Island, Whiteside	4 hr
Feb 17, 9:39 AM CST	River Flood Warning	DVN	Clark	34 hr

Nearby

River Flood Warnings in Illinois, 2008 Every river flood warning in 2008

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.