Alert archive / Iowa / Flash Flood Watches in 2009

Flash Flood Watch 1, NWS Des Moines, IA

February 12, 2009Webster County, Iowa

NWS Des Moines, IA issued this flash flood watch at Feb 12, 2009, 9:57 AM CST for Webster County, Iowa. It was in force for 48 hr.

The area

The counties it named.

The facts

Issued
Feb 12, 2009, 9:57 AM CST (15:57 UTC)
Expired
Feb 14, 2009, 10:26 AM CST
In force
48 hr
Issued by
NWS Des Moines, IA
Flood severity
None

County Webster County, IA

The radar

The Des Moines radar (KDMX), 86 km from the middle of the area, began a volume at 16:02 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.

What forecasters said that day

The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Des Moines, IA wrote its last area forecast discussion before this flash flood watch went out at Feb 12, 5:45 AM CST, 4 hours 12 minutes earlier.

Area forecast discussion, Feb 12, 5:45 AM CST, 4 hours 12 minutes before
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Hazardous weather outlook, Feb 12, 8:35 AM CST, 1 hour 22 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DES MOINES IA
835 AM CST THU FEB 12 2009

IAZ044>050-057>062-070>075-081>086-092>097-131200-
CRAWFORD-CARROLL-GREENE-BOONE-STORY-MARSHALL-TAMA-AUDUBON-GUTHRIE-
DALLAS-POLK-JASPER-POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION-
MAHASKA-ADAMS-UNION-CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-
DECATUR-WAYNE-APPANOOSE-DAVIS-
835 AM CST THU FEB 12 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...TODAY AND TONIGHT

FLOOD WARNINGS REMAIN IN EFFECT FOR PORTIONS OF THE RACCOON AND
SOUTH SKUNK RIVERS. PLEASE REFER TO THE NATIONAL WEATHER SERVICE
WEBSITE AT WEATHER.GOV/DESMOINES.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

SNOW WILL DEVELOP FRIDAY AND END FROM WEST TO EAST FRIDAY NIGHT.
MODERATE TO HEAVY ACCUMULATIONS ARE FORECAST. SOME THUNDER MAY
ALSO ACCOMPANY THE SNOW PRODUCING LOCALIZED HEAVIER AMOUNTS.

A WINTER STORM WATCH IS IN EFFECT FOR FRIDAY AFTERNOON AND
EVENING. PLEASE REFER TO THE NATIONAL WEATHER SERVICE WEBSITE AT
WEATHER.GOV/DESMOINES.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED...HOWEVER REPORTS OF SNOWFALL
WOULD BE APPRECIATED.

IAZ027-039-131200-
BUTLER-BLACK HAWK-
835 AM CST THU FEB 12 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...TODAY AND TONIGHT

A FLOOD WARNING IS IN EFFECT FOR BEAVER CREEK. PLEASE REFER TO
THE NATIONAL WEATHER SERVICE WEBSITE AT WEATHER.GOV/DESMOINES.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED.

IAZ004>007-015>017-023>026-028-033>038-131200-
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BREMER-SAC-CALHOUN-WEBSTER-
HAMILTON-HARDIN-GRUNDY-
835 AM CST THU FEB 12 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED.

CC

The office that day

Everything else NWS Des Moines, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 11, 9:30 PM CSTRiver Flood WarningDMXBlack Hawk, Butler31 hr
Feb 11, 9:56 PM CSTAreal Flood WarningDMXTama12 hr

Nearby

Flash Flood Watches in Iowa, 2009Every flash flood watch in 2009

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.