Alert archive / Iowa / River Flood Warnings in 2008

River Flood Warning 79, NWS Quad Cities, IA

April 17, 2008Jones County, Linn County, Iowa

NWS Quad Cities, IA issued this river flood warning at Apr 17, 2008, 8:47 PM CDT for Jones County, Linn County, Iowa. It took effect at Apr 18, 2008, 10:21 PM CDT. It was in force for 14 days.

The area

The counties it named.

The facts

Issued: Apr 17, 2008, 8:47 PM CDT (01:47 UTC)
In effect from: Apr 18, 2008, 10:21 PM CDT
Expired: May 2, 2008, 9:48 PM CDT
In force: 14 days
Issued by: NWS Quad Cities, IA
Flood severity: Moderate

Counties Jones County, IA, Linn County, IA

The radar

The Quad Cities radar (KDVN), 85 km from the middle of the area, began a volume at 01:47 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 Wapsipinicon River at Anamosa Shaw Rd (ANSI4). The gauge peaked at 22.26 ft at Apr 29, 2008, 5:00 AM CDT.

Action stage: 13 ft
Minor stage: 14.5 ft
Moderate stage: 18 ft
Major stage: 21.5 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05421740, 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 Apr 17, 3:48 PM CDT, 4 hours 59 minutes earlier.

Area forecast discussion, Apr 17, 3:48 PM CDT, 4 hours 59 minutes before

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Hazardous weather outlook, Apr 17, 4:58 AM CDT, 15 hours 49 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
458 AM CDT THU APR 17 2008

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-181000-
BENTON IA-BUCHANAN IA-BUREAU IL-CARROLL IL-CEDAR IA-CLARK MO-
CLINTON IA-DELAWARE IA-DES MOINES IA-DUBUQUE IA-HANCOCK IL-
HENDERSON IL-HENRY IA-HENRY IL-IOWA IA-JACKSON IA-JEFFERSON IA-
JO DAVIESS IL-JOHNSON IA-JONES IA-KEOKUK IA-LEE IA-LINN IA-LOUISA IA-
MCDONOUGH IL-MERCER IL-MUSCATINE IA-PUTNAM IL-ROCK ISLAND IL-
SCOTLAND MO-SCOTT IA-STEPHENSON IL-VAN BUREN IA-WARREN IL-
WASHINGTON IA-WHITESIDE IL-
458 AM CDT THU APR 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

SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP LATE THIS
AFTERNOON AND OVERNIGHT. ASIDE FROM LIGHTNING NEAR THUNDERSTORMS
...THE PRIMARY THREAT WILL BE HEAVY RAIN.

LOW PRESSURE IN THE SOUTHERN PLAINS WILL INCREASE THE SOUTHERLY FLOW
FROM THE GULF OF MEXICO INTO THE MIDWEST. THIS WILL LEAD TO THE
DEVELOPMENT OF SHOWERS AND SCATTERED THUNDERSTORMS OVER MOST OF THE
REGION LATER THIS AFTERNOON. SHOWERS AND A FEW THUNDERSTORMS WILL
CONTINUE TONIGHT...WITH LOCALLY HEAVY RAINFALL. A FLOOD WATCH IS IN
EFFECT FOR TONIGHT FOR NORTHWEST ILLINOIS AND MUCH OF EASTERN IOWA.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

THE HEAVY RAIN THREAT WILL CONTINUE THROUGH FRIDAY. A NEARLY
STATIONARY FRONTAL BOUNDARY WILL EXTEND FROM NORTHWEST ILLINOIS INTO
NORTHERN MISSOURI ON FRIDAY. LOW PRESSURE IS FORECAST TO TRACK
SLOWLY INTO THE MID MISSISSIPPI VALLEY. MODERATE TO HEAVY RAINFALL
OF 1 TO 2 INCHES IS EXPECTED...WITH LOCAL 3 INCH AMOUNTS POSSIBLE. A
FLOOD WATCH CONTINUES ON FRIDAY FOR NORTHWEST ILLINOIS AND MUCH OF
EASTERN IOWA. THE RAIN SHOULD DIMINISH FRIDAY NIGHT AND SATURDAY.

MANY AREA RIVERS REMAIN ABOVE OR NEAR FLOOD STAGE. THE EXPECTED
RAINFALL MAY AGGRAVATE THE ONGOING FLOODING SITUATION...OR EVEN
CREATE NEW FLOODING. STAY TUNED FOR LATER FORECASTS AND UPDATES
CONCERNING THE IMPACT OF THIS ADDITIONAL RAIN ON AREA RIVERS.

ANOTHER STRONG STORM SYSTEM AND COLD FRONT WILL PUSH INTO THE REGION
EARLY NEXT WEEK. THERE WILL BE A CHANCE OF THUNDERSTORMS...HOWEVER
IT IS TOO EARLY TO ASSESS THE POTENTIAL FOR THESE STORMS TO BECOME
SEVERE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED TODAY OR TONIGHT.

HAASE

In the hours before

Special weather statement, Apr 17, 5:11 PM CDT, 3 hours 36 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
Apr 17, 8:47 PM CDT	River Flood Warning	DVN	Muscatine, Scott	30 days
Apr 17, 8:47 PM CDT	River Flood Warning	DVN	Louisa, Muscatine	30 days
Apr 18, 6:09 AM CDT	River Flood Warning	DVN	Keokuk	5 days
Apr 18, 9:51 AM CDT	River Flood Warning	DVN	Johnson, Louisa, Washington	42 hr
Apr 18, 9:51 AM CDT	River Flood Warning	DVN	Johnson, Washington	3 days
Apr 18, 9:51 AM CDT	River Flood Warning	DVN	Des Moines, Henry, Lee	70 hr
Apr 18, 9:51 AM CDT	River Flood Warning	DVN	Lee	42 hr
Apr 18, 11:24 AM CDT	River Flood Warning	DVN	Dubuque, Jackson	3 days
Apr 18, 11:24 AM CDT	River Flood Warning	DVN	Clinton, Scott	20 days
Apr 18, 11:24 AM CDT	River Flood Warning	DVN	Muscatine, Scott	71 hr

Nearby

River Flood Warnings in Iowa, 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.