Alert archive / Iowa / River Flood Warnings in 2007

River Flood Warning 25, NWS Quad Cities, IA

August 21, 2007Delaware County, Jones County, Iowa

NWS Quad Cities, IA issued this river flood warning at Aug 21, 2007, 11:48 AM CDT for Delaware County, Jones County, Iowa. It took effect at Aug 22, 2007, 9:25 AM CDT. It was in force for 39 min.

The area

The counties it named.

The facts

Issued: Aug 21, 2007, 11:48 AM CDT (16:48 UTC)
In effect from: Aug 22, 2007, 9:25 AM CDT
Expired: Aug 22, 2007, 10:04 AM CDT
In force: 39 min
Issued by: NWS Quad Cities, IA
Flood severity: Minor

Counties Delaware County, IA, Jones County, IA

The radar

The Quad Cities radar (KDVN), 94 km from the middle of the area, began a volume at 16:51 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 Maquoketa River at Manchester Hwy 20 (MCHI4).

Action stage: 12 ft
Minor stage: 14 ft
Moderate stage: 17 ft
Major stage: 20 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05416900, 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 Aug 21, 3:25 AM CDT, 8 hours 23 minutes earlier.

Area forecast discussion, Aug 21, 3:25 AM CDT, 8 hours 23 minutes before

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Hazardous weather outlook, Aug 21, 5:00 AM CDT, 6 hours 48 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
500 AM CDT TUE AUG 21 2007

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-221000-
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-
500 AM CDT TUE AUG 21 2007

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.

A FLASH FLOOD WATCH IS IN EFFECT UNTIL 1 PM WEDNESDAY FOR AREAS
NORTH OF A LINE FROM OTTUMWA IOWA...TO THE QUAD CITIES...AND TO
PROPHETSTOWN ILLINOIS. THE PROBABILITY IS HIGH THAT THIS WATCH MAY
HAVE TO BE EXTENDED IN TIME AND COVERAGE AS THIS WEEK PROGRESSES.

.DAY ONE...TODAY AND TONIGHT

THE STORM PREDICTION CENTER HAS A SLIGHT RISK OF SEVERE
THUNDERSTORMS WEST OF THE MISSISSIPPI. THE PRIMARY THREATS ARE HAIL
AND DAMAGING WINDS.

SCATTERED THUNDERSTORMS WILL BE SEEN DURING THE DAY AND BECOME MORE
NUMEROUS TONIGHT AS A LARGE THUNDERSTORM COMPLEX DEVELOPS. HIGH
MOISTURE LEVELS IN THE LOWER ATMOSPHERE COMBINED WITH A SLOW MOVING
FRONT WILL ALLOW STORMS TO DEVELOP AND MOVE OVER THE SAME AREAS.

THE AREA MOST AT RISK FOR HEAVY RAIN IS ALONG AND NORTH OF HIGHWAY
30. THE PROBABILITY IS HIGH THAT SOME LOCATIONS COULD SEE UP TO 5
INCHES OF RAIN BY WEDNESDAY MORNING.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

THE STORM PREDICTION CENTER HAS A SLIGHT RISK OF SEVERE
THUNDERSTORMS ACROSS THE ENTIRE AREA WEDNESDAY THROUGH FRIDAY. THE
PRIMARY THREATS ARE HAIL AND DAMAGING WINDS.

ADDITIONAL THUNDERSTORM COMPLEXES WILL DEVELOP AND MOVE ACROSS THE
AREA WEDNESDAY NIGHT INTO THURSDAY MORNING...AND AGAIN THURSDAY NIGHT
INTO FRIDAY. HEAVY RAIN AND POTENTIAL FLASH FLOODING ARE POSSIBLE
EACH NIGHT.

A POTENTIALLY DANGEROUS SITUATION IS SETTING UP LATER THIS WEEK
REGARDING AREA RIVERS. AS EACH ADDITIONAL ROUND OF HEAVY RAIN MOVES
ACROSS THE AREA...MORE OF THE RAINFALL WILL RUN OFF INTO AREA RIVERS
AND PUSHING RIVER LEVELS HIGHER.

SIGNIFICANT RISES AND PROBABLE FLOODING IS EXPECTED ON THE
WAPSIPINICON...MAQUOKETA...CEDAR...PECATONICA...ROCK...AND IOWA
RIVERS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED TODAY AND TONIGHT. SPOTTERS AND
EMERGENCY MANAGERS ARE ENCOURAGED TO REPORT HEAVY RAINFALL
AMOUNTS AND FLOODING OVER THE NEXT SEVERAL DAYS.

08

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 21, 12:29 AM CDT	Flash Flood Warning	DVN	Buchanan	4 hr

Nearby

River Flood Warnings in Iowa, 2007 Every river flood warning in 2007

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.