Alert archive / Iowa / River Flood Warnings in 2008

River Flood Warning 187, NWS Quad Cities, IA

July 20, 2008Cedar County, Louisa County, Muscatine County, Iowa

NWS Quad Cities, IA issued this river flood warning at Jul 20, 2008, 8:10 PM CDT for Cedar County, Louisa County, Muscatine County, Iowa. It took effect at Jul 21, 2008, 1:00 AM CDT. It was in force for 51 hr.

The area

The counties it named.

The facts

Issued
Jul 20, 2008, 8:10 PM CDT (01:10 UTC)
In effect from
Jul 21, 2008, 1:00 AM CDT
Expired
Jul 23, 2008, 4:21 AM CDT
In force
51 hr
Issued by
NWS Quad Cities, IA
Flood severity
Minor

Counties Cedar County, IA, Louisa County, IA, Muscatine County, IA

The radar

The Quad Cities radar (KDVN), 51 km from the middle of the area, began a volume at 01:12 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 Cedar River near Conesville (CNEI4).

Action stage
12 ft
Minor stage
13 ft
Moderate stage
15 ft
Major stage
16.5 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05465000, 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 Jul 20, 3:01 PM CDT, 5 hours 9 minutes earlier.

Area forecast discussion, Jul 20, 3:01 PM CDT, 5 hours 9 minutes before
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Hazardous weather outlook, Jul 20, 4:54 AM CDT, 15 hours 16 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
454 AM CDT SUN JUL 20 2008

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-211000-
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-
454 AM CDT SUN JUL 20 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

THE STORM PREDICTION CENTER IS FORECASTING A SLIGHT RISK FOR
SEVERE THUNDERSTORMS OVER THE ENTIRE OUTLOOK AREA TODAY AND
TONIGHT. A FLASH FLOOD WATCH IS IN EFFECT FOR EASTERN IOWA AND
NORTHWEST ILLINOIS MAINLY NORTH OF SIGOURNEY IOWA...TO ALEDO
ILLINOIS...TO PROPHETSTOWN ILLINOIS TONIGHT. ISOLATED
THUNDERSTORMS ARE POSSIBLE OVER SOUTHEAST IOWA AND WEST CENTRAL
ILLINOIS EARLY THIS MORNING. PARTLY CLOUDY...HOT AND HUMID WEATHER
WILL PERSIST THE REMAINDER OF THE DAY WITH HEAT INDEX READINGS IN
THE UPPER 90S LIKELY ALONG AND SOUTH OF HIGHWAY 34. LATE THIS
AFTERNOON AND THIS EVENING...ANOTHER COMPLEX OF THUNDERSTORMS IS
LIKELY TO FORM IN CENTRAL AND NORTHERN IOWA. THIS AREA OF STORMS
IS EXPECTED TO SPREAD OVER THE OUTLOOK AREA DURING THE EVENING AND
OVERNIGHT HOURS. SEVERE STORMS WITH DAMAGING WINDS ARE
POSSIBLE...BUT HEAVY RAIN AND FLASH FLOODING ARE A HIGHER THREAT.
MUCH OF THE REGION IS SATURATED BY THE PAST FEW DAYS RAINFALL...AND
AMOUNTS EXCEEDING 1 OR 2 INCHES TONIGHT ARE LIKELY TO BRING FLASH
FLOODING IN THE WATCH AREA. TRAINING STORMS TONIGHT MAY CAUSE
LOCALLY HIGHER AMOUNTS EXCEEDING 3 INCHES.

AREA RIVERS ARE EXPERIENCING FLOODING. PLEASE SEE THE LATEST FLOOD
STATEMENTS AND FLOOD WARNINGS FOR DETAILS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

ANOTHER ROUND OF STORMS...WITH SOME SEVERE WEATHER AND HEAVY RAIN
IS POSSIBLE MONDAY AND MONDAY NIGHT...WITH THE BEST CHANCES ALONG
AND SOUTH OF INTERSTATE 80 WHERE THE STORM PREDICTION CENTER IS
FORECASTING A SLIGHT RISK FOR SEVERE STORMS. MORE THUNDERSTORMS
ARE POSSIBLE THROUGH NEXT WEEK...BUT IT IS TOO EARLY TO DETERMINE
THE SEVERE WEATHER OR HEAVY RAIN THREATS.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS POSSIBLE THIS AFTERNOON AND TONIGHT. HEAVY
RAINFALL REPORTS WOULD BE APPRECIATED.

ERVIN

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 21, 3:49 AM CDTSevere Thunderstorm WarningDVNHenry, Jefferson, Van Buren41 min
Jul 21, 4:26 AM CDTSevere Thunderstorm WarningDVNBenton, Iowa, Johnson, Keokuk, Linn, Washington64 min
Jul 21, 4:53 AM CDTSevere Thunderstorm WarningDVNHenry, Jefferson, Van Buren67 min
Jul 21, 5:06 AM CDTSevere Thunderstorm WarningDVNCedar, Clinton, Johnson, Louisa, Muscatine, Scott and 1 more54 min
Jul 21, 5:46 AM CDTSevere Thunderstorm WarningDVNDes Moines, Scott59 min
Jul 21, 6:25 AM CDTSevere Thunderstorm WarningDVNBureau, Putnam, Whiteside65 min

Nearby

River Flood Warnings in Iowa, 2008Every 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.