Alert archive / Iowa / Winter Storm Warnings in 2009
Winter Storm Warning 1, NWS Quad Cities, IA
NWS Quad Cities, IA issued this winter storm warning at Jan 10, 2009, 3:04 AM CST for 8 counties in Iowa; Jo Daviess County, Stephenson County, Illinois. It was in force for 9 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jan 10, 2009, 3:04 AM CST (09:04 UTC)
- Expired
- Jan 10, 2009, 12:00 PM CST
- In force
- 9 hr
- Issued by
- NWS Quad Cities, IA
Counties Benton County, IA, Cedar County, IA, Dubuque County, IA, Iowa County, IA, Jackson County, IA, Johnson County, IA, Jones County, IA, Linn County, IA, Jo Daviess County, IL, Stephenson County, IL
The radar
The Quad Cities radar (KDVN), 67 km from the middle of the area, began a volume at 09:05 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 nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 9.1 hours before the alert went out and 71 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 667 m above ground
- 0-6 km bulk shear
- 71 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 63 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter storm 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 winter storm warning went out at Jan 9, 10:22 PM CST, 4 hours 42 minutes earlier.
Area forecast discussion, Jan 9, 10:22 PM CST, 4 hours 42 minutes before
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</html>Hazardous weather outlook, Jan 9, 4:48 AM CST, 22 hours 16 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE QUAD CITIES IA IL 448 AM CST FRI JAN 9 2009 IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007- 009-015>018-024>026-034-035-MOZ009-010-101100- 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- 448 AM CST FRI JAN 9 2009 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 SNOW WILL REDEVELOP OVER THE AREA FROM MID TO LATE AFTERNOON AND CONTINUE OVERNIGHT. THE SNOW MAY BE MIXED WITH FREEZING DRIZZLE OR SLEET IN THE AFTERNOON AND EARLY EVENING. SNOW ACCUMULATIONS FROM 1 TO 3 INCHES ARE EXPECTED WITH SOME DRIFTING SNOW OVERNIGHT AS NORTH WINDS INCREASE. A WINTER WEATHER ADVISORY REMAINS IN EFFECT FOR NORTHERN PORTIONS OF THE OUTLOOK AREA. MORE DETAILED AND UPDATED INFORMATION CAN BE FOUND IN THE LATEST WINTER WEATHER PRODUCT. MINOR FLOODING IS ONGOING ON THE ROCK RIVER IN NORTHWEST ILLINOIS. THE FLOODING MAY BE COMPOUNDED BY ICE ACTION ON CERTAIN PORTIONS OF THE RIVER. SEE THE LATEST FLOOD STATEMENT FOR UPDATED INFORMATION. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY SEVERAL CHANCES FOR ACCUMULATING SNOW WILL BE FOUND OVER THE AREA DURING THE UPCOMING WEEK...ESPECIALLY MONDAY THROUGH TUESDAY NIGHT. IT IS TOO EARLY TO DETERMINE SNOW AMOUNTS. EXTREMELY COLD ARCTIC AIR IS EXPECTED TO SPREAD ACROSS THE MIDWEST EARLY THIS UPCOMING WEEK. DANGEROUS WIND CHILLS AND HAZARDOUS TRAVEL IN SNOW AND BLOWING SNOW MAY ACCOMPANY THE COLD CONDITIONS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT. HOWEVER... ANY SNOWFALL REPORTS WILL BE GREATLY APPRECIATED. SHEETS/ERVIN
In the hours before
Local storm report, Jan 9, 9:46 PM CST, 5 hours 18 minutes before
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</html>Local storm report, Jan 9, 9:56 PM CST, 5 hours 8 minutes before
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</html>Local storm report, Jan 9, 10:55 PM CST, 4 hours 9 minutes before
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</html>Local storm report, Jan 10, 12:58 AM CST, 2 hours 6 minutes before
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</html>Local storm report, Jan 10, 2:12 AM CST, 52 minutes before
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</html>Local storm report, Jan 10, 2:17 AM CST, 47 minutes before
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</html>Nearby
Winter Storm Warnings in Iowa, 2009Winter Storm Warnings in Illinois, 2009Every winter storm warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.