Alert archive / Iowa / Winter Storm Watches in 2008

Winter Storm Watch 9, NWS Des Moines, IA

December 19, 200827 counties in Iowa

NWS Des Moines, IA issued this winter storm watch at Dec 19, 2008, 4:17 PM CST for 27 counties in Iowa. It took effect at Dec 20, 2008, 6:00 AM CST. It was in force for .

The area

The counties it named.

The facts

Issued
Dec 19, 2008, 4:17 PM CST (22:17 UTC)
In effect from
Dec 20, 2008, 6:00 AM CST
Expired
Dec 20, 2008, 3:48 AM CST
In force
Issued by
NWS Des Moines, IA
All 27 counties

Black Hawk County, IA, Boone County, IA, Bremer County, IA, Butler County, IA, Calhoun County, IA, Carroll County, IA, Cerro Gordo County, IA, Crawford County, IA, Emmet County, IA, Franklin County, IA, Greene County, IA, Grundy County, IA, Hamilton County, IA, Hancock County, IA, Hardin County, IA, Humboldt County, IA, Kossuth County, IA, Marshall County, IA, Palo Alto County, IA, Pocahontas County, IA, Sac County, IA, Story County, IA, Tama County, IA, Webster County, IA, Winnebago County, IA, Worth County, IA, Wright County, IA

The radar

The Des Moines radar (KDMX), 97 km from the middle of the area, began a volume at 22:23 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 winter storm 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 winter storm watch went out at Dec 19, 3:43 PM CST, 34 minutes earlier.

Area forecast discussion, Dec 19, 3:43 PM CST, 34 minutes before
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Hazardous weather outlook, Dec 19, 3:46 PM CST, 31 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DES MOINES IA
346 PM CST FRI DEC 19 2008

IAZ004>007-015>017-023>028-033>039-044>050-202200-
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN-
WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-CARROLL-GREENE-
BOONE-STORY-MARSHALL-TAMA-
346 PM CST FRI DEC 19 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR A PORTION OF CENTRAL IOWA
MAINLY ALONG AND NORTH OF HIGHWAY 30.

.DAY ONE...THIS AFTERNOON AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

ADDITIONAL SNOW IS EXPECTED SATURDAY. ACCUMULATIONS WILL RANGE
FROM NEAR 4 INCHES ALONG THE MINNESOTA BORDER TO 2 INCHES NEAR THE
HIGHWAY 30 CORRIDOR. THE BIGGER HOWEVER WILL LIKELY BE BLOWING
AND DRIFTING SNOW OF THE SNOW SATURDAY NIGHT AND SUNDAY. AS THE
SYSTEM PULLS AWAY...A NORTHWEST WIND WILL INCREASE SHARPLY
REACHING SUSTAINED SPEEDS OF 25 TO 35 MPH ALONG WITH HIGHER GUSTS.
THE WIND COMBINED WITH FRESH SNOW COVER MAY PRODUCE NEAR BLIZZARD
CONDITIONS.

HAZARDOUS WIND CHILLS MAY ALSO DEVELOP SUNDAY NIGHT AS AN ARCTIC
SURGE OF COLD AIR PUSHES INTO CENTRAL IOWA. TEMPERATURES WILL BE NO
BETTER THAN THE SINGLE DIGITS ABOVE AND BELOW ZERO SATURDAY NIGHT
AND SUNDAY...AND THE SINGLE DIGITS AND TEENS BELOW ZERO SUNDAY
NIGHT. THESE BITTERLY COLD TEMPERATURES WILL COMBINE WITH THE
WINDS TO GENERATE WIND CHILLS FROM 20 BELOW TO 35 BELOW ZERO.

A WINTER STORM WATCH IS IN EFFECT FOR THE AREA. PLEASE REFER TO
THE NATIONAL WEATHER SERVICE WEBSITE AT WEATHER.GOV/DESMOINES FOR
FURTHER DETAILS.

.SPOTTER INFORMATION STATEMENT...

REPORTS OF SNOW ACCUMULATIONS ARE ALWAYS ENCOURAGED AND APPRECIATED.

IAZ057>062-070>075-081>086-092>097-202200-
AUDUBON-GUTHRIE-DALLAS-POLK-JASPER-POWESHIEK-CASS-ADAIR-MADISON-
WARREN-MARION-MAHASKA-ADAMS-UNION-CLARKE-LUCAS-MONROE-WAPELLO-
TAYLOR-RINGGOLD-DECATUR-WAYNE-APPANOOSE-DAVIS-
346 PM CST FRI DEC 19 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR A PORTION OF CENTRAL IOWA
MAINLY SOUTH OF HIGHWAY 30.

.DAY ONE...THIS AFTERNOON AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

A STORM SYSTEM PASSING TO THE NORTH WILL BRING THE POTENTIAL FOR
SOME LIGHT SNOW TO THE AREA SATURDAY. SNOWFALL AMOUNTS ARE
EXPECTED TO BE AN INCH OR LESS. AFTER THE STORM PASSES... A
NORTHWEST WIND WILL INCREASE TO 15 TO 30 MPH SATURDAY NIGHT AND
SUNDAY WITH HIGHER GUSTS. THIS MAY CAUSE SOME BLOWING AND
DRIFTING SNOW THOUGH CONDITIONS ARE NOT EXPECTED TO REACH BLIZZARD
CRITERIA. AN ARCTIC PUSH OF COLD AIR WILL MOVE INTO THE AREA ON
SUNDAY. HIGHS WILL ONLY BE IN THE SINGLE DIGITS ABOVE ZERO AND
THIS COMBINED WITH THE WIND WILL CREATE WIND CHILLS FROM 15 TO 20
BELOW ZERO.

HAZARDOUS WIND CHILLS MAY ALSO DEVELOP. TEMPERATURES WILL BE NO
BETTER THAN THE SINGLE DIGITS AND TEENS BELOW ZERO SUNDAY NIGHT.
THESE BITTERLY COLD TEMPERATURES WILL COMBINE WITH THE WINDS TO
GENERATE WIND CHILLS FROM 20 BELOW TO 30 BELOW ZERO.

.SPOTTER INFORMATION STATEMENT...

REPORTS OF SNOW ACCUMULATIONS ARE ALWAYS ENCOURAGED AND APPRECIATED.

FAB

In the hours before

Local storm report, Dec 19, 3:02 PM CST, 1 hour 15 minutes before
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Nearby

Winter Storm Watches in Iowa, 2008Every winter storm watch 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.