Alert archive / Iowa / Snow Advisories in 2008

Snow Advisory 12, NWS Quad Cities, IA

January 20, 200813 counties in Iowa; 5 counties in Illinois

NWS Quad Cities, IA issued this snow advisory at Jan 20, 2008, 2:30 PM CST for 13 counties in Iowa; 5 counties in Illinois. It took effect at Jan 21, 2008, 12:00 AM CST. It was in force for 27 hr.

The area

The counties it named.

The facts

Issued
Jan 20, 2008, 2:30 PM CST (20:30 UTC)
In effect from
Jan 21, 2008, 12:00 AM CST
Expired
Jan 22, 2008, 3:00 AM CST
In force
27 hr
Issued by
NWS Quad Cities, IA

Counties Benton County, IA, Buchanan County, IA, Cedar County, IA, Clinton County, IA, Delaware County, IA, Dubuque County, IA, Iowa County, IA, Jackson County, IA, Johnson County, IA, Jones County, IA, Linn County, IA, Muscatine County, IA, Scott County, IA, Carroll County, IL, Jo Daviess County, IL, Rock Island County, IL, Stephenson County, IL, Whiteside County, IL

The radar

The Quad Cities radar (KDVN), 52 km from the middle of the area, began a volume at 20:29 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 snow advisory 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 snow advisory went out at Jan 20, 3:27 AM CST, 11 hours 3 minutes earlier.

Area forecast discussion, Jan 20, 3:27 AM CST, 11 hours 3 minutes before
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Hazardous weather outlook, Jan 20, 5:07 AM CST, 9 hours 23 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
507 AM CST SUN JAN 20 2008

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-211115-
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-
507 AM CST SUN JAN 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

A WIND CHILL ADVISORY REMAINS IN EFFECT FOR AREAS NORTH OF HIGHWAY
34.  WIND CHILLS WILL REMAIN BETWEEN 20 TO 30 BELOW ZERO THROUGH
THE MORNING AS TEMPERATURES FALL INTO THE TEENS BELOW ZERO.
DECREASING WINDS AND INCREASING TEMPERATURES FROM LATE MORNING
ONWARD WILL ALLOW WIND CHILLS TO RISE ABOVE 20 BELOW ZERO...BUT
TEMPERATURES WILL REMAIN BITTERLY COLD THROUGH MUCH OF THE DAY.

A PROLONGED PERIOD OF SNOW WILL BEGIN IN THE LATE AFTERNOON AND
EARLY EVENING HOURS TODAY. SNOW WILL OVERSPREAD THE AREA FROM
SOUTHWEST TO NORTHEAST LATER TODAY...FOLLOWED BY A LULL IN THE
LATE OVERNIGHT HOURS TONIGHT. SNOW ACCUMULATIONS OF 1 TO 2 INCHES
ARE EXPECTED BY DAYBREAK NORTHWEST OF A LINE FROM FAIRFIELD TO
DUBUQUE IOWA...WITH ACCUMULATIONS UP TO AN INCH SOUTHEAST OF THAT
LINE.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

A BAND OF SNOW WILL LIFT NORTH ACROSS AREAS ALONG AND NORTH OF
INTERSTATE 80 MONDAY MORNING...WITH AN ADDITIONAL INCH
OF ACCUMULATION POSSIBLE NORTH OF HIGHWAY 30. MORE SNOW IS THEN
EXPECTED TO OVERSPREAD THE OUTLOOK AREA MONDAY AFTERNOON AND
MONDAY NIGHT. CURRENT INDICATIONS SUGGEST THAT STORM TOTAL
SNOWFALL AMOUNTS FROM THE TWO DAY PERIOD ENDING TUESDAY MORNING
COULD BE IN THE RANGE OF 3 TO 6 INCHES OVER PORTIONS OF NORTHEAST
IOWA AND NORTHWEST ILLINOIS ROUGHLY NORTHWEST OF A LINE FROM
WASHINGTON IOWA TO FREEPORT ILLINOIS...WITH 1 TO 3 INCHES
POSSIBLE OVER THE REMAINDER OF THE OUTLOOK AREA. IN ADDITION TO
THE SNOW...INCREASING NORTHWEST WINDS MONDAY NIGHT INTO TUESDAY
MORNING WILL LIKELY PRODUCE AREAS OF BLOWING AND DRIFTING
SNOW...ALONG WITH BITTER COLD WIND CHILLS IN THE RANGE OF AROUND 5
BELOW TO 20 BELOW ZERO.

A CLIPPER SYSTEM IS EXPECTED TO DIVE DOWN ACROSS THE UPPER MIDWEST
AND GREAT LAKES ON WEDNESDAY AND WILL BRING THE CHANCE FOR SNOW
SHOWERS WITH LIGHT ACCUMULATIONS OF LESS THAN AN INCH.

THERE IS ANOTHER CHANCE OF SNOW LATE WEEK INTO EARLY NEXT WEEKEND.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT...BUT
SPOTTERS ARE ENCOURAGED TO CONTACT THE NATIONAL WEATHER SERVICE
WITH SNOWFALL REPORTS.

MAYES/MCCLURE

Nearby

Snow Advisories in Iowa, 2008Snow Advisories in Illinois, 2008Every snow advisory 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.