Alert archive / Iowa / Winter Storm Warnings in 2007

Winter Storm Warning 7, NWS Quad Cities, IA

December 22, 200718 counties in Iowa; Scotland County, Missouri; Jo Daviess County, Illinois

NWS Quad Cities, IA issued this winter storm warning at Dec 22, 2007, 3:12 AM CST for 18 counties in Iowa; Scotland County, Missouri; Jo Daviess County, Illinois. It took effect at Dec 22, 2007, 10:38 AM CST. It was in force for 20 hr. 60 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Dec 22, 2007, 3:12 AM CST (09:12 UTC)
In effect from
Dec 22, 2007, 10:38 AM CST
Expired
Dec 23, 2007, 6:35 AM CST
In force
20 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, Henry County, IA, Iowa County, IA, Jackson County, IA, Jefferson County, IA, Johnson County, IA, Jones County, IA, Keokuk County, IA, Linn County, IA, Louisa County, IA, Muscatine County, IA, Van Buren County, IA, Washington County, IA, Jo Daviess County, IL, Scotland County, MO

The radar

The Quad Cities radar (KDVN), 72 km from the middle of the area, began a volume at 09:10 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 was reported inside it

TimeReportWhereRemark
Dec 22, 2:20 PM CSTSLEET 0What Cheer, IASLEET JUST BEGAN.
Dec 22, 2:45 PM CSTSLEET 0Norway, IASLEET JUST BEGAN.
Dec 22, 3:35 PM CSTSLEET 01 Sse Cedar Rapids, IALIGHT TO MODERATE SLEET FALLING.
Dec 22, 4:30 PM CSTSNOW 0Cedar Rapids, IASNOWFLAKES OF 1 TO 1 1/2 INCHES IN DIAMETER.
Dec 22, 4:48 PM CSTSNOW 0Independence, IAMODERATE TO HEAVY SNOW. VISIBILITY IS 1/4 TO 1/2 MI.
Dec 22, 4:52 PM CSTICE STORM 0North Liberty, IA1/10 INCH ICE ACCUMULATION. SNOW BEGINNING TO FALL.
Dec 22, 4:55 PM CSTSNOW 0Cedar Rapids, IAVISIBILITY 1/2 MI. REPORTED BY KGAN-TV.
Dec 22, 5:02 PM CSTICE STORM 02 W Rutledge, MO.1 INCH OR LESS OF ICE BUILDUP. LIGHT TO MODERATE FREEZING RAIN AND SOME SLEET CONTINUES.
Dec 22, 5:25 PM CSTSLEET 0Rutledge, MOPRECIPITATION HAS BECOME ALL SLEET.
Dec 22, 5:30 PM CSTHEAVY SNOW 0Cedar Rapids, IAHEAVY SNOW. VISIBILITY 1/8 MI. 1 INCH OF NEW ACCUMULATION. REPORTED FROM SW SIDE OF TOWN.
Dec 22, 5:30 PM CSTSNOW 0Williamsburg, IAHEAVY SNOW. 1 INCH OF NEW ACCUMULATION. RELAYED BY KWQC-TV.
Dec 22, 5:30 PM CSTSNOW 1Williamsburg, IAHEAVY SNOW. 1 INCH OF NEW ACCUMULATION. RELAYED BY KWQC-TV.
Dec 22, 5:33 PM CSTSLEET 03 W Libertyville, IASIDEWALKS COVERED WITH SLEET. TEMPERATURE 28F.
Dec 22, 5:53 PM CSTSNOW 13 W Stanley, IABLOWING SNOW RESTRICTING VISIBILITY TO 1/2 MILE.
Dec 22, 5:59 PM CSTICE STORM 0Lowden, IA.1 INCH ICE. MODERATE FREEZING RAIN CONTINUES. TEMP 30F.
Dec 22, 6:06 PM CSTSNOW 2Cedar Rapids, IAMEASURED IN DOWNTOWN CEDAR RAPIDS AT KCRG-TV STUDIOS.
Dec 22, 6:08 PM CSTSNOW 1Edgewood, IAACCUMULATION IN PAST HOUR. HEAVY SNOW CONTINUES. MINOR DRIFTING STARTING.
Dec 22, 6:08 PM CSTSNOW 4.54 E What Cheer, IANEAR WHITEOUT CONDITIONS. WIDESPREAD BLOWING SNOW. MODERATE SNOW CONTINUES.
Dec 22, 6:24 PM CSTFREEZING RAIN 0.14 W Mount Pleasant, IAROADS ARE GETTING SLICK RAPIDLY.
Dec 22, 6:26 PM CSTSNOW 1.3Vinton, IA
Dec 22, 6:30 PM CSTSLEET 0Rutledge, MOSLEET CONTINUES TO FALL. TOTAL NEW ACCUMULATION OF ICE AND SLEET IS 1/10 IN.
Dec 22, 6:30 PM CSTSNOW 3.51 Se Victor, IAVISIBILITY 1/4 MI.
Dec 22, 6:40 PM CSTSNOW 2Cedar Rapids, IAMEASURED ON SW SIDE OF TOWN. VISBILITY 1/4 MI.
Dec 22, 6:49 PM CSTSNOW 2.5Cedar Rapids, IAMEASURED AT KGAN-TV STUDIOS. MODERATE SNOWFALL. VISIBILITY 1/2 MI.
Dec 22, 6:55 PM CSTSNOW 1Vinton, IA
Dec 22, 7:05 PM CSTSNOW 2Edgewood, IARATE OF ACCUMULATION IS AN INCH PER HOUR.
Dec 22, 7:30 PM CSTSNOW 2.8Cedar Rapids, IAMEASURED BY KGAN TV.
Dec 22, 7:54 PM CSTSNOW 23 W Stanley, IAWINDS MEASURED AT 20 TO 25 MPH WITH GUSTS TO 35 MPH. DRIFTS OVER 1 FOOT HIGH.
Dec 22, 8:05 PM CSTSNOW 1.2Springville, IALIGHT TO MODERATE SNOW CONTINUES. MINOR ICE ACCUMULATIONS BEFORE SNOW STARTED.
Dec 22, 8:11 PM CSTSNOW 3.3Cedar Rapids, IATOTAL SINCE 4 PM.
Dec 22, 8:12 PM CSTSNOW 1N Lisbon, IA
Dec 22, 8:15 PM CSTFREEZING RAIN 0.252 S Farmington, IAROADS ARE 100 PERCENT ICE COVERED. SLEET FALLING SO FAST IT IS DRIFTING ON EAST TO WEST ROADS WITH WINDS ESTIMATED AT 25 MPH GUSTING TO 35 MPH.
Dec 22, 8:25 PM CSTSNOW 2.5Edgewood, IA
Dec 22, 8:28 PM CSTSNOW 1.7N Solon, IA
Dec 22, 8:38 PM CSTSNOW 2Vinton, IA
Dec 22, 8:43 PM CSTSNOW 23 E Cedar Rapids, IASTILL SNOWING.
Dec 22, 9:03 PM CSTSNOW 0.51 W Elmira, IA
Dec 22, 9:05 PM CSTSNOW 3.4Vinton, IA
Dec 22, 9:10 PM CSTSNOW 3.8Cedar Rapids, IA1/2 MILE VISIBILITY AND MODERATE SNOW CONTINUES. REPORTED AT KGAN TV STATION.
Dec 22, 9:17 PM CSTSNOW 06 Ne Van Horne, IAVISIBILITY 1/2 MILE. DRIFTS ARE UP TO 2 FEET.
Dec 22, 9:25 PM CSTICE STORM3 Nne Downing, MO1/8 ICE ACCUMULATION.
Dec 22, 9:25 PM CSTSNOW 23 Nne Downing, MOEXPERIENCING WHITE OUTS. STONGS WINDS AND HEAVY SNOW.
Dec 22, 9:29 PM CSTSNOW 4Belle Plaine, IA
Dec 22, 9:29 PM CSTSNOW 5N Norway, IA
Dec 22, 9:36 PM CSTSNOW 3.5Edgewood, IA
Dec 22, 9:37 PM CSTSNOW 1.5Anamosa, IABLOWING AND DRIFTING SNOW.
Dec 22, 9:43 PM CSTSNOW 02 E Hills, IASHERIFFS DEPUTY REPORTS WHITE-OUT CONDITIONS ON HIGHWAY 218/27.
Dec 22, 9:48 PM CSTSNOW 22 W Rutledge, MOMODERATE SNOW STILL FALLING.
Dec 22, 9:58 PM CSTSNOW 2Coralville, IALOTS OF DRIFTING. HEAVY SNOW.
Dec 22, 10:02 PM CSTICE STORM2 Ne Galena, IL1/8 ICE ACCUMULATION. FREEZING RAIN CONTINUES.
Dec 22, 10:15 PM CSTSNOW 2.5Mount Pleasant, IAVISIBILITY 200 FEET. SNOW DRIFTS BETWEEN 2 AND 3 FEET. WHITE-OUT CONDITIONS OFF AND ON.
Dec 22, 10:23 PM CSTSNOW 43 W Stanley, IASNOW DRIFTS TO 19 INCHES. VISIBILITY UNDER 1/2 MILE WITH SNOW AND BLOWING SNOW.
Dec 22, 10:23 PM CSTSNOW 4.51 Sse Cedar Rapids, IAVISIBILITY 1/8 OF MILE.
Dec 22, 10:23 PM CSTSNOW 5Cedar Rapids, IAVERY HEAVY SNOW CONTINUES.
Dec 22, 10:25 PM CSTSNOW 2.52 Ese Iowa City, IAHEAVY SNOW. BLOWING SNOW. VISIBILITY 1/4 MILE.
Dec 22, 10:26 PM CSTSNOW 3N Washington, IA
Dec 22, 10:33 PM CSTSNOW 5Vinton, IASNOW AMOUNTS RANGE FROM MEASURED 4.5 TO 5.0 INCHES. DRIFTS OVER 2 FEET. MANY CARS OFF THE ROAD ON I-380 NEAR URBANA. STATE POLICE ARE TAKING PEOPLE TO MOTELS IN TOWN DUE TO THE NUMBER OF ACCIDENTS. UNKN NUMBERS OF INJURIES.
Dec 22, 10:43 PM CSTSNOW 4Edgewood, IA
Dec 22, 10:52 PM CSTSNOW 73 S Victor, IAVISIBILITY UNDER 1/4 MILE. WIND GUST TO 40 MPH.
Dec 22, 10:57 PM CSTSNOW 5.51 N Fairfield, IAHEAVY SNOW CONTINUES. CONSIDERABLE BLOWING SNOW WITH WINDS 20 TO 35 MPH. VISIBILITY LESS THAN 1/4 MILE. ROADS POOR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 9.2 hours before the alert went out and 79 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.

Skew-T log-pSkew-T log-p diagram, Davenport, at 00:00Z on 2007-12-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 00:00Z on 2007-12-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 155 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
527 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
155 m²/s²
0-3 km storm-relative helicity
231 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS43 KDVN 220912
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
312 AM CST SAT DEC 22 2007

...STRONG AND DANGEROUS WINTER STORM TO IMPACT REGION THIS AFTERNOON
THROUGH SUNDAY MORNING...

.A STRENGTHENING LOW PRESSURE SYSTEM OVER OKLAHOMA THIS 
MORNING WILL REACH NORTHEAST WISCONSIN BY SUNDAY MORNING. RAIN
WILL CHANGE SNOW BY LATE AFTERNOON IN PORTIONS WEST OF IOWA CITY
TO DUBUQUE IOWA...AND DURING THE EVENING HOURS FARTHER EAST. AS THE
RAIN CHANGES TO SNOW...ICE ACCUMULATION OF 1 OR 2 TENTHS OF AN
INCH ARE POSSIBLE...ALONG WITH MINOR SLEET ACCUMULATIONS. FARTHER
EAST...ALONG AND EAST OF THE MISSISSIPPI RIVER...ICE ACCUMULATIONS
UP TO ONE QUARTER OF AN INCH ARE POSSIBLE DURING THE EARLY EVENING
HOURS. SNOW AMOUNTS OF 2 TO 8 INCHES ARE EXPECTED BY EARLY SUNDAY
MORNING. VERY STRONG NORTHWEST WINDS WILL DEVELOP OVER THE AREA
TONIGHT CAUSING CONSIDERABLE BLOWING AND DRIFTING
SNOW. SOME LOCATIONS COULD EXPERIENCE NEAR BLIZZARD CONDITIONS BY
LATE TONIGHT THROUGH SUNDAY MORNING. THE SNOW...ICE...BLOWING AND
DRIFTING SNOW...AND DANGEROUSLY COLD WIND CHILLS WILL CREATE
HAZARDOUS TRAVEL CONDITIONS FOR MUCH OF THE REGION.

IAZ040>042-051>053-063-064-076-077-087-221715-
/O.UPG.KDVN.WS.A.0009.071222T2100Z-071223T1200Z/
/O.NEW.KDVN.WS.W.0007.071222T2100Z-071223T1800Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-IOWA-JOHNSON-KEOKUK-
WASHINGTON-JEFFERSON-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MARENGO...IOWA CITY...
SIGOURNEY...WASHINGTON...FAIRFIELD
312 AM CST SAT DEC 22 2007

...WINTER STORM WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO
12 PM CST SUNDAY...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WINTER
STORM WARNING...WHICH IS IN EFFECT FROM 3 PM THIS AFTERNOON TO
12 PM CST SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

RAIN WILL CHANGE TO SNOW LATE THIS AFTERNOON AND EARLY EVENING.
A PERIOD SLEET AND FREEZING RAIN MAY CREATE MINOR ICE
ACCUMULATIONS DURING THE PERIOD OF CHANGE OVER. HEAVY SNOW WILL
FALL AT TIMES THROUGH EARLY SUNDAY MORNING. SNOWFALL AMOUNTS OF 3
TO 8 INCHES ARE LIKELY IN THE WARNING AREA...WITH LOCALLY HIGHER
AMOUNTS POSSIBLE. IN ADDITION...BY LATE THIS EVENING...SUSTAINED WINDS
OF 25 TO 35 MPH...WITH GUSTS UP TO 50 MPH...MAY CREATE NEAR
BLIZZARD CONDITIONS AT TIMES. THE BLOWING SNOW IS LIKELY TO CREATE
VERY DANGEROUS TRAVEL CONDITIONS THROUGH SUNDAY MORNING.

A WINTER STORM WARNING MEANS 6 TO 8 INCHES OR MORE OF SNOW
FALLING AT INTENSE RATES OF 2-3 INCHES PER HOUR...COMBINED WITH
STRONG WINDS AND POSSIBLY...SLEET...AND FREEZING RAIN IS EXPECTED
OR OCCURRING. THIS WILL MAKE TRAVEL VERY DANGEROUS OR
IMPOSSIBLE...SO ONLY TRAVEL IN AN EMERGENCY AND TAKE YOUR WINTER
SURVIVAL KIT.

$$

IAZ054-065>068-078-088-089-098-099-ILZ001-002-007-009-015-016-
024>026-034-035-MOZ009-010-221715-
/O.EXT.KDVN.WS.A.0009.071223T0000Z-071223T1800Z/
JACKSON-CEDAR-CLINTON-MUSCATINE-SCOTT-LOUISA-HENRY IA-DES MOINES-
VAN BUREN-LEE-JO DAVIESS-STEPHENSON-CARROLL-WHITESIDE-ROCK ISLAND-
HENRY IL-MERCER-HENDERSON-WARREN-HANCOCK-MCDONOUGH-SCOTLAND-CLARK-
INCLUDING THE CITIES OF...MAQUOKETA...TIPTON...CLINTON...
MUSCATINE...BETTENDORF...DAVENPORT...WAPELLO...MOUNT PLEASANT...
BURLINGTON...KEOSAUQUA....FORT MADISON...GALENA...FREEPORT...
MOUNT CARROLL...STERLING...ROCK FALLS...MOLINE...ROCK ISLAND...
KEWANEE...ALEDO...OQUAWKA...MONMOUTH...CARTHAGE...MACOMB...
MEMPHIS...KAHOKA
312 AM CST SAT DEC 22 2007

...WINTER STORM WATCH NOW IN EFFECT FROM THIS EVENING THROUGH
SUNDAY MORNING...

THE WINTER STORM WATCH IS NOW IN EFFECT FROM THIS EVENING THROUGH
SUNDAY MORNING. 

RAIN WILL CHANGE TO SNOW THIS EVENING. A PERIOD SLEET AND FREEZING
RAIN MAY CREATE ICE ACCUMULATIONS UP TO A QUARTER INCH DURING THE
PERIOD OF CHANGE OVER. HEAVY SNOW MAY FALL AT TIMES THROUGH EARLY
SUNDAY MORNING. SNOWFALL AMOUNTS OF 2 TO 5 INCHES ARE LIKELY IN
THE WATCH AREA...WITH LOCALLY HIGHER AMOUNTS POSSIBLE.  IN
ADDITION...BY LATE TONIGHT...SUSTAINED WINDS OF 25 TO 35 MPH...WITH
GUSTS UP TO 50 MPH...MAY CREATE NEAR BLIZZARD CONDITIONS AT TIMES.
BLOWING SNOW MAY CREATE DANGEROUS TRAVEL CONDITIONS THROUGH SUNDAY
MORNING.


A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET ...AND/OR ICE ACCUMULATIONS THAT WOULD SERIOUSLY
IMPACT TRAVEL.  MONITOR LATER FORECASTS FOR UPDATES.

$$


ERVIN
7 follow-up statements
000 
WWUS43 KDVN 221638
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1038 AM CST SAT DEC 22 2007

...DANGEROUS WINTER STORM TO IMPACT REGION THIS AFTERNOON THROUGH
SUNDAY MORNING...

.A STRENGTHENING STORM SYSTEM WILL MOVE NORTHEAST TODAY...REACHING
NORTHEAST WISCONSIN BY SUNDAY MORNING. RAIN WILL CHANGE TO SNOW
FROM WEST TO EAST FROM LATE THIS AFTERNOON INTO THIS EVENING. A
BRIEF PERIOD OF SLEET OR FREEZING RAIN MAY RESULT IN MINOR ICE
ACCUMULATIONS DURING THE CHANGEOVER. SNOW AMOUNTS OF 2 TO 8 INCHES
ARE EXPECTED BY EARLY SUNDAY MORNING. VERY STRONG NORTHWEST WINDS
WILL DEVELOP TONIGHT CAUSING CONSIDERABLE BLOWING AND DRIFTING
SNOW. SOME LOCATIONS COULD EXPERIENCE NEAR BLIZZARD CONDITIONS BY
LATE TONIGHT THROUGH SUNDAY MORNING. DANGEROUSLY COLD WIND CHILLS
WILL ALSO EXIST. TRAVEL WILL BE HAZARDOUS.

IAZ054-065>067-078-088-098-ILZ001-MOZ009-230045-
/O.UPG.KDVN.WS.A.0009.071223T0000Z-071223T1800Z/
/O.EXA.KDVN.WS.W.0007.071222T2100Z-071223T1800Z/
JACKSON-CEDAR-CLINTON-MUSCATINE-LOUISA-HENRY IA-VAN BUREN-
JO DAVIESS-SCOTLAND-
INCLUDING THE CITIES OF...MAQUOKETA...TIPTON...CLINTON...
MUSCATINE...WAPELLO...MOUNT PLEASANT...KEOSAUQUA....GALENA...
MEMPHIS
1038 AM CST SAT DEC 22 2007

...WINTER STORM WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO
12 PM CST SUNDAY...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WINTER
STORM WARNING...WHICH IS IN EFFECT FROM 3 PM THIS AFTERNOON TO
12 PM CST SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

RAIN WILL CHANGE TO SNOW LATE THIS AFTERNOON AND EARLY EVENING
FROM WEST TO EAST. A BRIEF PERIOD OF SLEET OR FREEZING RAIN MAY
RESULT IN MINOR ICE ACCUMULATIONS DURING THE CHANGEOVER. MODERATE
TO HEAVY SNOW WILL FALL AT TIMES THROUGH EARLY SUNDAY MORNING.
SNOWFALL AMOUNTS OF 3 TO 8 INCHES ARE LIKELY IN THE WARNING
AREA...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. IN ADDITION...BY LATE
THIS EVENING...SUSTAINED WINDS OF 25 TO 35 MPH...WITH GUSTS UP TO
50 MPH...WILL CREATE NEAR BLIZZARD CONDITIONS AT TIMES. THE
BLOWING SNOW IS LIKELY TO CREATE VERY DANGEROUS TRAVEL CONDITIONS
THROUGH SUNDAY MORNING.

A WINTER STORM WARNING MEANS 6 INCHES OR MORE OF SNOW...COMBINED
WITH STRONG WINDS AND POSSIBLY...SLEET...AND FREEZING RAIN IS
EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY DANGEROUS OR
IMPOSSIBLE...SO ONLY TRAVEL IN AN EMERGENCY AND TAKE YOUR WINTER
SURVIVAL KIT.

$$

IAZ040>042-051>053-063-064-076-077-087-230045-
/O.CON.KDVN.WS.W.0007.071222T2100Z-071223T1800Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-IOWA-JOHNSON-KEOKUK-
WASHINGTON-JEFFERSON-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MARENGO...IOWA CITY...
SIGOURNEY...WASHINGTON...FAIRFIELD
1038 AM CST SAT DEC 22 2007

...WINTER STORM WARNING REMAINS IN EFFECT FROM 3 PM THIS
AFTERNOON TO 12 PM CST SUNDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON
TO 12 PM CST SUNDAY. 

RAIN WILL CHANGE TO SNOW LATE THIS AFTERNOON AND EARLY EVENING
FROM WEST TO EAST. A BRIEF PERIOD OF SLEET OR FREEZING RAIN MAY
RESULT IN MINOR ICE ACCUMULATIONS DURING THE CHANGEOVER. MODERATE
TO HEAVY SNOW WILL FALL AT TIMES THROUGH EARLY SUNDAY MORNING.
SNOWFALL AMOUNTS OF 3 TO 8 INCHES ARE LIKELY IN THE WARNING
AREA...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. IN ADDITION...BY LATE
THIS EVENING...SUSTAINED WINDS OF 25 TO 35 MPH...WITH GUSTS UP TO
50 MPH...WILL CREATE NEAR BLIZZARD CONDITIONS AT TIMES. THE
BLOWING SNOW IS LIKELY TO CREATE VERY DANGEROUS TRAVEL CONDITIONS
THROUGH SUNDAY MORNING.

A WINTER STORM WARNING MEANS 6 INCHES OR MORE OF SNOW...COMBINED
WITH STRONG WINDS AND POSSIBLY...SLEET...AND FREEZING RAIN IS
EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY DANGEROUS OR
IMPOSSIBLE...SO ONLY TRAVEL IN AN EMERGENCY AND TAKE YOUR WINTER
SURVIVAL KIT.


$$

IAZ068-089-099-ILZ002-007-009-015-016-024>026-034-035-MOZ010-
230045-
/O.UPG.KDVN.WS.A.0009.071223T0000Z-071223T1800Z/
/O.NEW.KDVN.SB.Y.0004.071223T0000Z-071223T1800Z/
SCOTT-DES MOINES-LEE-STEPHENSON-CARROLL-WHITESIDE-ROCK ISLAND-
HENRY IL-MERCER-HENDERSON-WARREN-HANCOCK-MCDONOUGH-CLARK-
INCLUDING THE CITIES OF...BETTENDORF...DAVENPORT...BURLINGTON...
FORT MADISON...FREEPORT...MOUNT CARROLL...STERLING...ROCK FALLS...
MOLINE...ROCK ISLAND...KEWANEE...ALEDO...OQUAWKA...MONMOUTH...
CARTHAGE...MACOMB...KAHOKA
1038 AM CST SAT DEC 22 2007

...SNOW AND BLOWING SNOW ADVISORY IN EFFECT FROM 6 PM THIS
EVENING TO 12 PM CST SUNDAY...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A SNOW AND
BLOWING SNOW ADVISORY...WHICH IS IN EFFECT FROM 6 PM THIS EVENING
TO 12 PM CST SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN
EFFECT. 

RAIN WILL CHANGE TO SNOW THIS EVENING FROM WEST TO EAST. A BRIEF
PERIOD OF SLEET OR FREEZING RAIN MAY RESULT IN MINOR ICE
ACCUMULATIONS DURING THE CHANGEOVER. MODERATE TO HEAVY SNOW WILL
FALL AT TIMES THROUGH EARLY SUNDAY MORNING. SNOWFALL AMOUNTS OF 2
TO 5 INCHES ARE LIKELY IN THE WATCH AREA...WITH LOCALLY HIGHER
AMOUNTS POSSIBLE. IN ADDITION...BY LATE TONIGHT...SUSTAINED WINDS
OF 25 TO 35 MPH...WITH GUSTS UP TO 50 MPH...MAY CREATE NEAR
BLIZZARD CONDITIONS AT TIMES. BLOWING SNOW MAY CREATE DANGEROUS
TRAVEL CONDITIONS THROUGH SUNDAY MORNING.

A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE
LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. BE
CAREFUL WHEN TRAVELING...ESPECIALLY IN RURAL AREAS.

$$

ILZ017-018-230045-
/O.NEW.KDVN.SB.Y.0004.071223T0000Z-071223T1800Z/
BUREAU-PUTNAM-
INCLUDING THE CITIES OF...PRINCETON...HENNEPIN
1038 AM CST SAT DEC 22 2007

...SNOW AND BLOWING SNOW ADVISORY IN EFFECT FROM 6 PM THIS
EVENING TO 12 PM CST SUNDAY...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A SNOW AND
BLOWING SNOW ADVISORY...WHICH IS IN EFFECT FROM 6 PM THIS EVENING
TO 12 PM CST SUNDAY. 

RAIN WILL CHANGE TO SNOW THIS EVENING FROM WEST TO EAST. A BRIEF
PERIOD OF SLEET OR FREEZING RAIN MAY RESULT IN MINOR ICE
ACCUMULATIONS DURING THE CHANGEOVER. MODERATE TO HEAVY SNOW WILL
FALL AT TIMES THROUGH EARLY SUNDAY MORNING. SNOWFALL AMOUNTS OF 2
TO 5 INCHES ARE LIKELY IN THE WATCH AREA...WITH LOCALLY HIGHER
AMOUNTS POSSIBLE. IN ADDITION...BY LATE TONIGHT...SUSTAINED WINDS
OF 25 TO 35 MPH...WITH GUSTS UP TO 50 MPH...MAY CREATE NEAR
BLIZZARD CONDITIONS AT TIMES. BLOWING SNOW MAY CREATE DANGEROUS
TRAVEL CONDITIONS THROUGH SUNDAY MORNING.

A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE
LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW.  BE
CAREFUL WHEN TRAVELING...ESPECIALLY IN RURAL AREAS.

$$

50/12
000 
WWUS43 KDVN 221851
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1251 PM CST SAT DEC 22 2007

...DANGEROUS WINTER STORM TO IMPACT REGION THIS AFTERNOON THROUGH
SUNDAY MORNING...

.A STRENGTHENING STORM SYSTEM WILL MOVE NORTHEAST TODAY...
REACHING NORTHEAST WISCONSIN BY SUNDAY MORNING. RAIN WILL CHANGE
TO SNOW FROM WEST TO EAST FROM LATE THIS AFTERNOON INTO THIS
EVENING. A BRIEF PERIOD OF SLEET OR FREEZING RAIN MAY RESULT IN
MINOR ICE ACCUMULATIONS DURING THE CHANGEOVER. DRIVING AND
WALKING SURFACES MAY BECOME ICY AS THE FALLING TEMPERATURES
FREEZE ANY MOISTURE ALREADY IN PLACE. SNOW AMOUNTS OF 2 TO 8
INCHES ARE EXPECTED BY EARLY SUNDAY MORNING. VERY STRONG NORTHWEST
WINDS WILL DEVELOP TONIGHT CAUSING CONSIDERABLE BLOWING AND
DRIFTING SNOW. SOME LOCATIONS COULD EXPERIENCE NEAR BLIZZARD
CONDITIONS BY LATE TONIGHT THROUGH SUNDAY MORNING. DANGEROUSLY
COLD WIND CHILLS WILL ALSO EXIST. TRAVEL WILL BE HAZARDOUS.

IAZ040>042-051>054-063>067-076>078-087-088-098-ILZ001-MOZ009-
230300-
/O.CON.KDVN.WS.W.0007.071222T2100Z-071223T1800Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-KEOKUK-WASHINGTON-LOUISA-JEFFERSON-
HENRY IA-VAN BUREN-JO DAVIESS-SCOTLAND-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO...
IOWA CITY...TIPTON...CLINTON...MUSCATINE...SIGOURNEY...
WASHINGTON...WAPELLO...FAIRFIELD...MOUNT PLEASANT...KEOSAUQUA....
GALENA...MEMPHIS
1251 PM CST SAT DEC 22 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 12 PM CST
SUNDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 12 PM CST SUNDAY. 

RAIN WILL CHANGE TO SNOW LATE THIS AFTERNOON AND EARLY EVENING
FROM WEST TO EAST. A BRIEF PERIOD OF SLEET OR FREEZING RAIN MAY
RESULT IN MINOR ICE ACCUMULATIONS DURING THE CHANGEOVER. DRIVING
AND WALKING SURFACES MAY BECOME ICY AS THE FALLING TEMPERATURES
FREEZE ANY MOISTURE ALREADY IN PLACE.

MODERATE TO HEAVY SNOW WILL FALL AT TIMES THROUGH EARLY SUNDAY
MORNING. SNOWFALL AMOUNTS OF 3 TO 8 INCHES ARE LIKELY IN THE
WARNING AREA...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. IN
ADDITION...BY LATE THIS EVENING...SUSTAINED WINDS OF 25 TO 35
MPH...WITH GUSTS UP TO 50 MPH...WILL CREATE NEAR BLIZZARD
CONDITIONS AT TIMES. THE BLOWING SNOW IS LIKELY TO CREATE VERY
DANGEROUS TRAVEL CONDITIONS THROUGH SUNDAY MORNING.

A WINTER STORM WARNING MEANS 6 INCHES OR MORE OF SNOW...COMBINED
WITH STRONG WINDS AND POSSIBLY...SLEET...AND FREEZING RAIN IS
EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY DANGEROUS OR
IMPOSSIBLE...SO ONLY TRAVEL IN AN EMERGENCY AND TAKE YOUR WINTER
SURVIVAL KIT.

$$

IAZ068-089-099-ILZ002-007-009-015>018-024>026-034-035-MOZ010-
230300-
/O.CON.KDVN.SB.Y.0004.071223T0000Z-071223T1800Z/
SCOTT-DES MOINES-LEE-STEPHENSON-CARROLL-WHITESIDE-ROCK ISLAND-
HENRY IL-BUREAU-PUTNAM-MERCER-HENDERSON-WARREN-HANCOCK-MCDONOUGH-
CLARK-
INCLUDING THE CITIES OF...BETTENDORF...DAVENPORT...BURLINGTON...
FORT MADISON...FREEPORT...MOUNT CARROLL...STERLING...ROCK FALLS...
MOLINE...ROCK ISLAND...KEWANEE...PRINCETON...HENNEPIN...ALEDO...
OQUAWKA...MONMOUTH...CARTHAGE...MACOMB...KAHOKA
1251 PM CST SAT DEC 22 2007

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT FROM 6 PM
THIS EVENING TO 12 PM CST SUNDAY...

A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT FROM 6 PM THIS
EVENING TO 12 PM CST SUNDAY. 

RAIN WILL CHANGE TO SNOW THIS EVENING FROM WEST TO EAST. A BRIEF
PERIOD OF SLEET OR FREEZING RAIN MAY RESULT IN MINOR ICE
ACCUMULATIONS DURING THE CHANGEOVER. DRIVING AND WALKING SURFACES
MAY BECOME ICY AS THE FALLING TEMPERATURES FREEZE ANY MOISTURE
ALREADY IN PLACE.

MODERATE TO HEAVY SNOW WILL FALL AT TIMES THROUGH EARLY SUNDAY
MORNING. SNOWFALL AMOUNTS OF 2 TO 5 INCHES ARE LIKELY IN THE WATCH
AREA...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. IN ADDITION...BY LATE
TONIGHT...SUSTAINED WINDS OF 25 TO 35 MPH...WITH GUSTS UP TO 50
MPH...MAY CREATE NEAR BLIZZARD CONDITIONS AT TIMES. BLOWING SNOW
MAY CREATE DANGEROUS TRAVEL CONDITIONS THROUGH SUNDAY MORNING.

A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE
LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. BE
CAREFUL WHEN TRAVELING...ESPECIALLY IN RURAL AREAS.

$$

50/12
000 
WWUS43 KDVN 222124
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
324 PM CST SAT DEC 22 2007

...DANGEROUS WINTER STORM TO IMPACT REGION THIS AFTERNOON THROUGH
SUNDAY MORNING...

.A WINTER STORM WILL MOVE INTO NORTHEAST WISCONSIN BY SUNDAY
MORNING. RAIN WILL CHANGE TO SNOW FROM WEST TO EAST FROM LATE THIS
AFTERNOON INTO THIS EVENING. FREEZING RAIN OR SLEET MAY OCCUR
DURING THE TRANSITION PERIOD. DRIVING AND WALKING SURFACES MAY
BECOME ICY AS THE FALLING TEMPERATURES FREEZE ANY MOISTURE ALREADY
IN PLACE. SNOW AMOUNTS OF 2 TO 8 INCHES ARE EXPECTED BY EARLY
SUNDAY MORNING. VERY STRONG NORTHWEST WINDS WILL DEVELOP TONIGHT
CAUSING CONSIDERABLE BLOWING AND DRIFTING SNOW. SOME LOCATIONS
COULD EXPERIENCE NEAR BLIZZARD CONDITIONS BY LATE TONIGHT THROUGH
SUNDAY MORNING. DANGEROUSLY COLD WIND CHILLS WILL ALSO EXIST.
TRAVEL WILL BE HAZARDOUS.

IAZ068-089-099-ILZ002-007-009-015>018-024>026-034-035-MOZ010-
230530-
/O.CAN.KDVN.SB.Y.0004.071223T0000Z-071223T1800Z/
/O.NEW.KDVN.WW.Y.0010.071223T0000Z-071223T1800Z/
SCOTT-DES MOINES-LEE-STEPHENSON-CARROLL-WHITESIDE-ROCK ISLAND-
HENRY IL-BUREAU-PUTNAM-MERCER-HENDERSON-WARREN-HANCOCK-MCDONOUGH-
CLARK-
INCLUDING THE CITIES OF...BETTENDORF...DAVENPORT...BURLINGTON...
FORT MADISON...FREEPORT...MOUNT CARROLL...STERLING...ROCK FALLS...
MOLINE...ROCK ISLAND...KEWANEE...PRINCETON...HENNEPIN...ALEDO...
OQUAWKA...MONMOUTH...CARTHAGE...MACOMB...KAHOKA
324 PM CST SAT DEC 22 2007

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 12 PM CST SUNDAY...
...SNOW AND BLOWING SNOW ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WINTER
WEATHER ADVISORY...WHICH IS IN EFFECT UNTIL 12 PM CST SUNDAY. THIS
WINTER WEATHER ADVISORY REPLACES THE SNOW AND BLOWING SNOW ADVISORY
WHICH WAS PREVIOUSLY IN EFFECT.

RAIN WILL CHANGE TO SNOW THIS EVENING FROM WEST TO EAST. FREEZING
RAIN OR SLEET MAY OCCUR DURING THE TRANSITION PERIOD...RESULTING
IN UP TO 1/4 INCH OF ICE ACCUMULATION. IN ADDITION...DRIVING AND
WALKING SURFACES MAY BECOME ICY AS THE FALLING TEMPERATURES FREEZE
ANY MOISTURE ALREADY IN PLACE.

MODERATE TO HEAVY SNOW WILL FALL AT TIMES THROUGH EARLY SUNDAY
MORNING. SNOWFALL AMOUNTS OF 2 TO 5 INCHES ARE LIKELY...WITH
LOCALLY HIGHER AMOUNTS POSSIBLE. IN ADDITION...SUSTAINED WINDS OF
25 TO 35 MPH...WITH GUSTS UP TO 50 MPH...MAY CREATE NEAR BLIZZARD
CONDITIONS AT TIMES. HAZARDOUS TRAVEL CONDITIONS WILL EXIST.

THE BLOWING SNOW MAY RESULT IN HAZARDOUS TRAVEL CONDITIONS INTO
SUNDAY AFTERNOON.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...
AND/OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES.  BE PREPARED
FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND BE CAREFUL
WHILE DRIVING.

$$

IAZ040>042-051>054-063>067-076>078-087-088-098-ILZ001-MOZ009-
230530-
/O.CON.KDVN.WS.W.0007.000000T0000Z-071223T1800Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-KEOKUK-WASHINGTON-LOUISA-JEFFERSON-
HENRY IA-VAN BUREN-JO DAVIESS-SCOTLAND-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO...
IOWA CITY...TIPTON...CLINTON...MUSCATINE...SIGOURNEY...
WASHINGTON...WAPELLO...FAIRFIELD...MOUNT PLEASANT...KEOSAUQUA....
GALENA...MEMPHIS
324 PM CST SAT DEC 22 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 12 PM CST
SUNDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 12 PM CST SUNDAY. 

RAIN WILL CHANGE TO SNOW LATE THIS AFTERNOON AND EARLY EVENING
FROM WEST TO EAST. FREEZING RAIN OR SLEET MAY OCCUR DURING THE
TRANSITION PERIOD...RESULTING IN UP TO 1/4 INCH OF ICE
ACCUMULATION. IN ADDITION...DRIVING AND WALKING SURFACES MAY
BECOME ICY AS THE FALLING TEMPERATURES FREEZE ANY MOISTURE ALREADY
IN PLACE.

MODERATE TO HEAVY SNOW WILL FALL AT TIMES THROUGH EARLY SUNDAY
MORNING. SNOWFALL AMOUNTS OF 3 TO 8 INCHES ARE LIKELY...WITH
LOCALLY HIGHER AMOUNTS POSSIBLE. THE HEAVIEST SNOWFALL IS EXPECTED
ALONG A LINE THROUGH SIGOURNEY...CEDAR RAPIDS AND MANCHESTER. IN
ADDITION...SUSTAINED WINDS OF 25 TO 35 MPH...WITH GUSTS UP TO 50
MPH...WILL CREATE NEAR BLIZZARD CONDITIONS AT TIMES. HAZARDOUS
TRAVEL CONDITIONS WILL EXIST.

THE BLOWING SNOW MAY RESULT IN HAZARDOUS TRAVEL CONDITIONS INTO
SUNDAY AFTERNOON.

A WINTER STORM WARNING MEANS 6 INCHES OR MORE OF SNOW...COMBINED
WITH STRONG WINDS AND POSSIBLY...SLEET...AND FREEZING RAIN IS
EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY DANGEROUS OR
IMPOSSIBLE...SO ONLY TRAVEL IN AN EMERGENCY AND TAKE YOUR WINTER
SURVIVAL KIT.

$$

50/12
000 
WWUS43 KDVN 222241
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
441 PM CST SAT DEC 22 2007

...DANGEROUS WINTER STORM TO IMPACT OUR REGION...

.A WINTER STORM WILL MOVE INTO NORTHEAST WISCONSIN BY SUNDAY
MORNING. MODERATE TO HEAVY SNOW IS EXPECTED...WITH A MIXTURE OF
RAIN...FREEZING RAIN AND SLEET DURING THE CHANGEOVER. STRONG
NORTHWEST WINDS WILL DEVELOP TONIGHT CAUSING CONSIDERABLE BLOWING
AND DRIFTING SNOW. SOME LOCATIONS COULD EXPERIENCE NEAR BLIZZARD
CONDITIONS BY LATE TONIGHT THROUGH SUNDAY MORNING. DANGEROUSLY
COLD WIND CHILLS WILL ALSO EXIST. TRAVEL WILL BE HAZARDOUS.

IAZ040>042-051>054-063>067-076>078-087-088-098-ILZ001-MOZ009-
230645-
/O.CON.KDVN.WS.W.0007.000000T0000Z-071223T1800Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-KEOKUK-WASHINGTON-LOUISA-JEFFERSON-
HENRY IA-VAN BUREN-JO DAVIESS-SCOTLAND-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO...
IOWA CITY...TIPTON...CLINTON...MUSCATINE...SIGOURNEY...
WASHINGTON...WAPELLO...FAIRFIELD...MOUNT PLEASANT...KEOSAUQUA....
GALENA...MEMPHIS
441 PM CST SAT DEC 22 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 12 PM CST
SUNDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 12 PM CST SUNDAY. 

LATER THIS EVENING...SNOW WILL BE FALLING IN ALL LOCATIONS. UNTIL
THEN...THE TRANSITION TO SNOW WILL BRING MIXED PRECIPITATION
INCLUDING RAIN...FREEZING RAIN AND SLEET. ICE ACCUMULATIONS OF UP
TO 1/4 INCH WILL OCCUR. DRIVING AND WALKING SURFACES WILL BECOME
ICY AS A RESULT...EVEN BEFORE THE SNOW BEGINS FALLING.

MODERATE TO HEAVY SNOW WILL FALL AT TIMES THROUGH SUNDAY MORNING.
SNOWFALL AMOUNTS OF 3 TO 8 INCHES ARE LIKELY...WITH LOCAL AMOUNTS
OF 8 TO 10 INCHES POSSIBLE. THE HEAVIEST SNOWFALL IS EXPECTED
ALONG A LINE THROUGH SIGOURNEY...CEDAR RAPIDS AND MANCHESTER. IN
ADDITION...SUSTAINED WINDS OF 25 TO 35 MPH...WITH GUSTS UP TO 50
MPH...WILL CREATE NEAR BLIZZARD CONDITIONS AT TIMES. HAZARDOUS
TRAVEL CONDITIONS WILL EXIST.

THE WIND AND BLOWING SNOW WILL RESULT IN HAZARDOUS TRAVEL
CONDITIONS INTO SUNDAY AFTERNOON.

A WINTER STORM WARNING MEANS 6 INCHES OR MORE OF SNOW...COMBINED
WITH STRONG WINDS AND POSSIBLY...SLEET...AND FREEZING RAIN IS
EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY DANGEROUS OR
IMPOSSIBLE...SO ONLY TRAVEL IN AN EMERGENCY AND TAKE YOUR WINTER
SURVIVAL KIT.

$$

IAZ068-089-099-ILZ002-007-009-015>018-024>026-034-035-MOZ010-
230645-
/O.CON.KDVN.WW.Y.0010.071223T0000Z-071223T1800Z/
SCOTT-DES MOINES-LEE-STEPHENSON-CARROLL-WHITESIDE-ROCK ISLAND-
HENRY IL-BUREAU-PUTNAM-MERCER-HENDERSON-WARREN-HANCOCK-MCDONOUGH-
CLARK-
INCLUDING THE CITIES OF...BETTENDORF...DAVENPORT...BURLINGTON...
FORT MADISON...FREEPORT...MOUNT CARROLL...STERLING...ROCK FALLS...
MOLINE...ROCK ISLAND...KEWANEE...PRINCETON...HENNEPIN...ALEDO...
OQUAWKA...MONMOUTH...CARTHAGE...MACOMB...KAHOKA
441 PM CST SAT DEC 22 2007

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST
SUNDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST
SUNDAY. 

LATER THIS EVENING...SNOW WILL BE FALLING IN ALL LOCATIONS. UNTIL
THEN...THE TRANSITION TO SNOW WILL BRING MIXED PRECIPITATION
INCLUDING RAIN...FREEZING RAIN AND SLEET. ICE ACCUMULATIONS OF UP
TO 1/4 INCH WILL OCCUR. DRIVING AND WALKING SURFACES WILL BECOME
ICY AS A RESULT...EVEN BEFORE THE SNOW BEGINS FALLING.

MODERATE TO HEAVY SNOW WILL FALL AT TIMES THROUGH SUNDAY MORNING.
SNOWFALL AMOUNTS OF 2 TO 5 INCHES ARE LIKELY...WITH LOCALLY HIGHER
AMOUNTS POSSIBLE. IN ADDITION...SUSTAINED WINDS OF 25 TO 35
MPH...WITH GUSTS UP TO 50 MPH...MAY CREATE NEAR BLIZZARD
CONDITIONS AT TIMES. HAZARDOUS TRAVEL CONDITIONS WILL EXIST.

THE WIND AND BLOWING SNOW WILL RESULT IN HAZARDOUS TRAVEL
CONDITIONS INTO SUNDAY AFTERNOON.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...
AND/OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES.  BE PREPARED
FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND BE CAREFUL
WHILE DRIVING.

$$

50
000 
WWUS43 KDVN 230318
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
918 PM CST SAT DEC 22 2007

...DANGEROUS WINTER STORM NOW IMPACTING OUR REGION...

.A WINTER STORM WILL MOVE INTO NORTHEAST WISCONSIN BY SUNDAY
MORNING. MODERATE TO HEAVY SNOW WILL OVERSPREAD THE ENTIRE AREA
THE NEXT FEW HOURS. A MIXTURE OF FREEZING RAIN AND SLEET IS
OCCURRING ALONG AND EAST OF THE MISSISSIPPI RIVER UNTIL MIDNIGHT
BEFORE CHANGING OVER. STRONG NORTHWEST WINDS WILL DEVELOP LATER
TONIGHT CAUSING CONSIDERABLE BLOWING AND DRIFTING SNOW. SOME
LOCATIONS WEST OF THE I-380 CORRIDOR ARE EXPERIENCING WHITEOUT
CONDITIONS WITH NEAR BLIZZARD CONDITIONS OVERSPREADING MANY AREAS
LATE TONIGHT THROUGH SUNDAY MORNING. DANGEROUSLY COLD WIND CHILLS
WILL ALSO EXIST. TRAVEL WILL BE HAZARDOUS.

IAZ040>042-051>054-063>067-076>078-087-088-098-ILZ001-MOZ009-
231130-
/O.CON.KDVN.WS.W.0007.000000T0000Z-071223T1800Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-KEOKUK-WASHINGTON-LOUISA-JEFFERSON-
HENRY IA-VAN BUREN-JO DAVIESS-SCOTLAND-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO...
IOWA CITY...TIPTON...CLINTON...MUSCATINE...SIGOURNEY...
WASHINGTON...WAPELLO...FAIRFIELD...MOUNT PLEASANT...KEOSAUQUA....
GALENA...MEMPHIS
918 PM CST SAT DEC 22 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 12 PM CST
SUNDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 12 PM CST SUNDAY. 

SNOW...POSSIBLY MIXED WITH FREEZING RAIN AND SLEET THIS EVENING
ALONG AND EAST OF THE MISSISSIPPI RIVER...WILL CONTINUE THE REST
OF THE NIGHT. UNTIL THE TRANSITION TO ALL SNOW OCCURS...ICE
ACCUMULATIONS OF UP TO 1/4 INCH WILL OCCUR. DRIVING AND WALKING
SURFACES WILL BECOME ICY AS A RESULT...EVEN BEFORE THE SNOW BEGINS
FALLING.

MODERATE TO HEAVY SNOW WILL FALL AT TIMES THROUGH SUNDAY MORNING.
SNOWFALL AMOUNTS OF 3 TO 8 INCHES ARE EXPECTED...WITH LOCAL AMOUNTS
OF 9 TO 10 INCHES POSSIBLE ROUGHLY NEAR A SIGOURNEY TO CEDAR RAPIDS
TO NEAR MANCHESTER LINE. IN ADDITION...WINDS WILL INCREASE BY 
MIDNIGHT WITH SUSTAINED WINDS OF 25 TO 35 MPH...WITH SOME GUSTS OF
45 TO 50 MPH...WILL CREATE NEAR BLIZZARD CONDITIONS AT TIMES.
HAZARDOUS TRAVEL CONDITIONS WILL EXIST.

THE WIND AND BLOWING SNOW WILL RESULT IN HAZARDOUS TRAVEL
CONDITIONS INTO SUNDAY AFTERNOON.

A WINTER STORM WARNING MEANS 6 INCHES OR MORE OF SNOW...COMBINED
WITH STRONG WINDS AND POSSIBLY...SLEET...AND FREEZING RAIN IS
EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY DANGEROUS OR
IMPOSSIBLE...SO ONLY TRAVEL IN AN EMERGENCY AND TAKE YOUR WINTER
SURVIVAL KIT.

$$

IAZ068-089-099-ILZ002-007-009-015>018-024>026-034-035-MOZ010-
231130-
/O.CON.KDVN.WW.Y.0010.000000T0000Z-071223T1800Z/
SCOTT-DES MOINES-LEE-STEPHENSON-CARROLL-WHITESIDE-ROCK ISLAND-
HENRY IL-BUREAU-PUTNAM-MERCER-HENDERSON-WARREN-HANCOCK-MCDONOUGH-
CLARK-
INCLUDING THE CITIES OF...BETTENDORF...DAVENPORT...BURLINGTON...
FORT MADISON...FREEPORT...MOUNT CARROLL...STERLING...ROCK FALLS...
MOLINE...ROCK ISLAND...KEWANEE...PRINCETON...HENNEPIN...ALEDO...
OQUAWKA...MONMOUTH...CARTHAGE...MACOMB...KAHOKA
918 PM CST SAT DEC 22 2007

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST
SUNDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST
SUNDAY. 

FREEZING AND SLEET WILL TRANSITION TO ALL SNOW AROUND MIDNIGHT. 
UNTIL THEN...ICE ACCUMULATIONS OF UP TO 1/4 INCH WILL OCCUR.
DRIVING AND WALKING SURFACES WILL BECOME ICY AS A RESULT...EVEN
BEFORE THE SNOW BEGINS FALLING.

AFTER THE TRANSITION TO ALL SNOW...MODERATE TO HEAVY SNOW WILL FALL
AT TIMES THROUGH SUNDAY MORNING. NEW SNOWFALL AMOUNTS OF 2 TO 5
INCHES ARE EXPECTED...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. IN
ADDITION...WINDS WILL INCREASE BY MIDNIGHT WITH SUSTAINED WINDS
OF 25 TO 35 MPH...WITH GUSTS OF 45 TO 50 MPH...MAY CREATE NEAR
BLIZZARD CONDITIONS AT TIMES. HAZARDOUS TRAVEL CONDITIONS WILL
EXIST.

THE WIND AND BLOWING SNOW WILL RESULT IN HAZARDOUS TRAVEL
CONDITIONS INTO SUNDAY AFTERNOON.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...
AND/OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES.  BE PREPARED
FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND BE CAREFUL
WHILE DRIVING.

$$

NICHOLS
000 
WWUS43 KDVN 230918
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
318 AM CST SUN DEC 23 2007

...DANGEROUS WINTER STORM STILL IMPACTING OUR REGION...

.STRONG NORTHWEST WINDS WILL CONTINUE THIS MORNING...CAUSING
CONSIDERABLE BLOWING AND DRIFTING SNOW. WHITEOUT CONDITIONS WITH
NEAR BLIZZARD CONDITIONS WILL BE POSSIBLE IN OPEN AREAS THAT SAW
GREATER THAN AN INCH OF SNOW OVERNIGHT. DANGEROUSLY COLD WIND
CHILLS WILL ALSO EXIST. TRAVEL WILL BE HAZARDOUS.

IAZ040>042-051>054-063>067-076>078-087-088-098-ILZ001-MOZ009-
231730-
/O.CON.KDVN.WS.W.0007.000000T0000Z-071223T1800Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-KEOKUK-WASHINGTON-LOUISA-JEFFERSON-
HENRY IA-VAN BUREN-JO DAVIESS-SCOTLAND-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO...
IOWA CITY...TIPTON...CLINTON...MUSCATINE...SIGOURNEY...
WASHINGTON...WAPELLO...FAIRFIELD...MOUNT PLEASANT...KEOSAUQUA....
GALENA...MEMPHIS
318 AM CST SUN DEC 23 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY. 

BLOWING SNOW CAUSED BY SUSTAINED WINDS OF 25 TO 35 MPH...WITH SOME
GUSTS OF 45 TO 50 MPH...WILL CREATE NEAR BLIZZARD CONDITIONS AT
TIMES THIS MORNING. THOUGH THE SNOW HAS ENDED...THE EXTENSIVE
DRIFTING WILL KEEP MANY ROADS SNOW COVERED THIS MORNING.

THE WIND AND BLOWING SNOW WILL RESULT IN HAZARDOUS TRAVEL
CONDITIONS INTO SUNDAY AFTERNOON.



$$

IAZ068-089-099-ILZ002-007-009-015>018-024>026-034-035-MOZ010-
231730-
/O.CON.KDVN.WW.Y.0010.000000T0000Z-071223T1800Z/
SCOTT-DES MOINES-LEE-STEPHENSON-CARROLL-WHITESIDE-ROCK ISLAND-
HENRY IL-BUREAU-PUTNAM-MERCER-HENDERSON-WARREN-HANCOCK-MCDONOUGH-
CLARK-
INCLUDING THE CITIES OF...BETTENDORF...DAVENPORT...BURLINGTON...
FORT MADISON...FREEPORT...MOUNT CARROLL...STERLING...ROCK FALLS...
MOLINE...ROCK ISLAND...KEWANEE...PRINCETON...HENNEPIN...ALEDO...
OQUAWKA...MONMOUTH...CARTHAGE...MACOMB...KAHOKA
318 AM CST SUN DEC 23 2007

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST
TODAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY.

BLOWING SNOW CAUSED BY SUSTAINED WINDS OF 25 TO 35 MPH...WITH SOME
GUSTS OF 45 TO 50 MPH...WILL CREATE NEAR BLIZZARD CONDITIONS AT
TIMES THIS MORNING IN LOCATIONS THAT SAW GREATER THAN 1 INCH OF
SNOW. THOUGH THE SNOW HAS ENDED...THE EXTENSIVE DRIFTING WILL KEEP
MANY ROADS SNOW COVERED THIS MORNING.

THE WIND AND BLOWING SNOW WILL RESULT IN HAZARDOUS TRAVEL
CONDITIONS INTO SUNDAY AFTERNOON.



$$

ERVIN
000 
WWUS43 KDVN 231235
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
635 AM CST SUN DEC 23 2007

...SNOW WINDING DOWN ACROSS THE AREA...

.SNOWFALL HAS ENDED ACROSS THE AREA...AND VISIBILITIES HAVE
IMPROVED TO ONE MILE OR BETTER. WINDS OF 25 TO 35 MPH WILL
CONTINUE TO CAUSE PROBLEMS WITH BLOWING AND DRIFTING SNOW...BUT
THE WINTER STORM THREAT HAS MOVED OUT OF THE AREA.

IAZ040>042-051>054-063>067-076>078-087-088-098-ILZ001-MOZ009-
231345-
/O.CAN.KDVN.WS.W.0007.000000T0000Z-071223T1800Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-KEOKUK-WASHINGTON-LOUISA-JEFFERSON-
HENRY IA-VAN BUREN-JO DAVIESS-SCOTLAND-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO...
IOWA CITY...TIPTON...CLINTON...MUSCATINE...SIGOURNEY...
WASHINGTON...WAPELLO...FAIRFIELD...MOUNT PLEASANT...KEOSAUQUA....
GALENA...MEMPHIS
635 AM CST SUN DEC 23 2007

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS CANCELLED THE
WINTER STORM WARNING. 

SNOW HAS ENDED IN THE AREA...WITH VISIBILITIES ABOVE ONE MILE.
WINDS OF 25 TO 35 MPH WILL CONTINUE TO CAUSE BLOWING AND DRIFTING
SNOW ACROSS THE AREA...AND ROADS WILL REMAIN HAZARDOUS FOR MUCH OF
THE DAY. IN ADDITION...WIND CHILL VALUES WILL LINGER BETWEEN -5 TO
-15 DEGREES THROUGHOUT THE DAY. IF YOU MUST GO OUTSIDE...PLEASE
CONTINUE TO EXERCISE CAUTION ON ICY AND SNOW-COVERED ROADWAYS AND
DRESS FOR THE COLD WEATHER.

$$

IAZ068-089-099-ILZ002-007-009-015>018-024>026-034-035-MOZ010-
231345-
/O.CAN.KDVN.WW.Y.0010.000000T0000Z-071223T1800Z/
SCOTT-DES MOINES-LEE-STEPHENSON-CARROLL-WHITESIDE-ROCK ISLAND-
HENRY IL-BUREAU-PUTNAM-MERCER-HENDERSON-WARREN-HANCOCK-MCDONOUGH-
CLARK-
INCLUDING THE CITIES OF...BETTENDORF...DAVENPORT...BURLINGTON...
FORT MADISON...FREEPORT...MOUNT CARROLL...STERLING...ROCK FALLS...
MOLINE...ROCK ISLAND...KEWANEE...PRINCETON...HENNEPIN...ALEDO...
OQUAWKA...MONMOUTH...CARTHAGE...MACOMB...KAHOKA
635 AM CST SUN DEC 23 2007

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS CANCELLED THE
WINTER WEATHER ADVISORY. 

SNOW HAS ENDED IN THE AREA...WITH VISIBILITIES ABOVE ONE MILE.
WINDS OF 25 TO 35 MPH WILL CONTINUE TO CAUSE BLOWING AND DRIFTING
SNOW ACROSS THE AREA...AND ROADS WILL REMAIN HAZARDOUS FOR MUCH OF
THE DAY. IN ADDITION...WIND CHILL VALUES WILL LINGER BETWEEN 0 TO
-10 DEGREES THROUGHOUT THE DAY. IF YOU MUST GO OUTSIDE...PLEASE
CONTINUE TO EXERCISE CAUTION ON ICY AND SNOW-COVERED ROADWAYS AND
DRESS FOR THE COLD WEATHER.

$$

MAYES

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 Dec 21, 3:50 PM CST, 11 hours 22 minutes earlier.

Area forecast discussion, Dec 21, 3:50 PM CST, 11 hours 22 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
350 PM CST FRI DEC 21 2007

.SYNOPSIS...
A MAJOR WINTER STORM WILL MOVE THROUGH THE MIDWEST LATE SATURDAY
AFTERNOON THROUGH SUNDAY. THIS STORM WILL BRING SIGNIFICANT
RAIN...ICE...AND SNOW ALONG WITH VERY STRONG WINDS TO THE REGION.
AFTER A QUIET MONDAY AND TUESDAY...THE ACTIVE WEATHER PATTERN BEGINS
AGAIN FOR THE SECOND HALF OF THE WEEK.

&&

.SHORT TERM...TONIGHT...
SATELLITE HAS WHAT APPEARS TO BE A WEAK SHORTWAVE MOVING THROUGH
THAT IS ALLOWING VISIBILITIES TO IMPROVE DURING THE AFTERNOON FROM
SOUTH TO NORTH. HOWEVER...BOUNDARY LAYER REMAINS SATURATED WITH A
STRONG INVERSION IN PLACE. CONTINUED WAA INTO THE SNOW FIELD
COMBINED WITH MELTING SHOULD ALLOW THE DENSE FOG TO RAPIDLY
RE-ESTABLISH ITSELF AROUND OR SHORTLY AFTER SUNSET. THUS HAVE
EXTENDED THE DENSE FOG ADVISORY UNTIL 6 AM SATURDAY. IT IS A 50/50
CHANCE THAT THE DENSE FOG ADVISORY MAY BE EXTENDED FOR PARTS OF THE
CWFA.

LIFT INCREASES AFTER MIDNIGHT SO SOME -RA IS POSSIBLE...ESPECIALLY
OVER THE NORTHWEST PART OF THE CWFA. NON-DIURNAL TEMPERATURE TREND
TONIGHT WITH MINS PROBABLY OCCURRING AROUND MID EVENING WITH STEADY
OR SLOWLY RISING THE REMAINDER OF THE NIGHT.        ..08..

.LONG TERM...SATURDAY THROUGH NEXT FRIDAY...
MAJOR...DANGEROUS WINTER STORM TO IMPACT REGION MID AFTERNOON
SATURDAY THROUGH AT LEAST SATURDAY AND POSSIBLY THROUGH SUNDAY.

SATURDAY THROUGH SUNDAY...TODAY/S 12Z AND 18Z ANALYSIS AND
VERIFICATION SHOW ALL SOLUTIONS CONVERGING TO RAPID DEEPENING OF
STORM SYSTEM OVER FORECAST AREA TO RESULT IN INTENSE PRECIPITATION
ONSET SATURDAY AFTERNOON INTO MID SATURDAY EVENING.  ALL MODELS
STILL SUGGESTING PHASING OF SOUTHERN AND NORTHERN JETS NOT COMPLETE
WHICH MAY ALLOW FOR EVEN MORE PROLIFIC PRECIPITATION AMOUNTS AND
GREATER ICE AND SNOW PRODUCTION ALONG WITH HIGHER WINDS GUSTS WITH
SOME CHANGES IN LOCATIONS AND AREAL EXTENT OF MOST FAVORED WINTER
WEATHER PRECIPITATION TYPE AND AMOUNTS.

THUNDER-SLEET...THUNDER-FREEZING RAIN AND THUNDER-SNOW SHOULD OCCUR
WITH THIS SYSTEM BETWEEN ROUGHLY 3 AND 9 PM ALONG WITH RAPIDLY
FALLING TEMPERATURES BEHIND A STRONG COLD FRONT SATURDAY AFTERNOON.
TEMPERATURES WILL DROP 10 TO 15 DEGREES IN A FEW HOURS BEHIND THE
FRONT INTO THE MID/UPPER 20S ALLOWING FOR RAPID FREEZING OF THE
RAIN...SLEET AND SNOW.  WINDS DUE TO ISALLOBARIC COMPONENT OF THE
DEEPENING SYSTEM AND MOMENTUM TRANSFER PROFILES WITH LATENT HEAT
RELEASE SHOULD QUICKLY REACH 25 TO 40 MPH WITH EVIDENCE BY EARLY TO
MID EVENING OF 45 TO 50 MPH GUSTS POSSIBLE THAT WILL RESULT IN
DANGEROUS CONDITIONS. AS THE PRECIPITATION CHANGES TO SNOW FROM WEST
TO EAST...SNOWFALL RATES OF ONE TO TWO INCHES AN HOUR WILL BE COMMON
AND COMBINED WITH THE VERY STRONG WINDS WILL RESULT IN NEAR WHITEOUT
CONDITIONS AT MANY LOCATIONS.

SNOW AMOUNTS...CURRENTLY...MOST AREAS WILL SEE 2 UP TO LOCALLY NEAR
8 INCHES OF SNOW BY SUNDAY MORNING WITH THE HEAVIEST SNOW OF 4 TO 8
INCHES SUGGESTED NORTH OF CEDAR RAPIDS TO DUBUQUE LINE.  OTHER
LOCATIONS WILL RECEIVE GENERALLY 2 TO 3 INCHES BEFORE DIMINISHING TO
FLURRIES AND LIGHT SNOW SHOWERS SUNDAY AND INTO SUNDAY EVENING.
TO RESTATE...IF SYSTEM INTENSIFICATION IS FASTER...OR THE TRACK
CHANGES...SNOW AMOUNTS MAY BE HIGHER OR POSSIBLY LOWER WITH MORE
OR LESS ICE.

ICE TOTALS...WIDESPREAD ONE QUARTER TO ONE HALF INCH AMOUNTS OF
FREEZING RAIN AND SLEET WILL FALL WEST OF A FREEPORT TO GENESEO TO
CARTHAGE ILLINOIS LINE.  THE CURRENT SUGGESTED LOCATION OF THICKEST
ICE AMOUNTS NEAR ONE HALF ARE SUGGESTED TO FALL 30 MILES EITHER SIDE
OF GALENA ILLINOIS TO TIPTON IOWA TO KEOSAUQUA TO MEMPHIS MISSOURI
LINE.   AGAIN ICE AMOUNTS MAY BE HIGHER OR LOWER WITH LOWER OR
HIGHER SNOW AMOUNTS BASED ON THE TIMING OF THE ICE/SNOW TRANSITION.

SUNDAY AND SUNDAY NIGHT...NORTHWEST WINDS OF 25 TO 40 MPH WILL
CONTINUE INTO THE EVENING HOURS AND COMBINED WITH ONGOING FLURRIES...
LIGHT SNOW SHOWERS AND CONSIDERABLE BLOWING AND DRIFTING OF SNOW MAY
REQUIRE WARNING POSTED FOR POTENTIAL BLIZZARD TO NEAR BLIZZARD
CONDITIONS OF VERY LOW VISIBILITIES WITH LOW WIND CHILLS REMAINING
NEAR TO BELOW ZERO.  THIS COULD POSE AS LIFE THREATENING CONDITIONS
FOR INDIVIDUALS WHO ARE NOT PREPARED AND OUTSIDE.

MONDAY THROUGH WEDNESDAY...QUIET AND COLD...TRIMMED TEMPS DOWN WHICH
MAY REQUIRE FURTHER LOWERING WITH ADDED MANTLE OF SNOW AND ICE.  PASS
FOR LATER SHIFTS TO CONSIDER.

WEDNESDAY NIGHT AND THURSDAY...UPPED POPS TO CHANCE WITH NEXT WINTER
STORM TO AFFECT REGION.  INDICATIONS SUGGEST LIGHT SNOW AMOUNTS
EXPECTED.  YET PHASING OF UPPER DISTURBANCES IN LONG WAVE TROUGH
STILL A SUBSTANTIAL QUESTION FOR LATER SHIFTS TO MONITOR.
TEMPERATURES TO REMAIN NEAR TO BELOW NORMAL.

FRIDAY...LEFT DRY BUT YET ANOTHER DISTURBANCE SUGGESTED TO APPROACH
REGION LATE FRIDAY FOR LATER SHIFTS TO CONSIDER.   ..NICHOLS..

&&

.AVIATION...
LIFR/IFR CONDITIONS TO CONTINUE THROUGH AT LEAST 22/12Z. A PROBABLE
SHORTWAVE MOVING THROUGH THE AREA THIS AFTERNOON HAS ALLOWED VSBYS
AND CIGS TO IMPROVE. HOWEVER...BOUNDARY LAYER REMAINS SATURATED AND
WAA CONTINUES ACROSS THE SNOW FIELD. EXPECT LIFR VSBYS TO
RE-ESTABLISH ITSELF ACROSS AT ALL TAF SITES SHORTLY AFTER SUNSET.
INCREASED LIFT AFTER 22/12Z SHOULD RESULT IN VSBYS/CIGS IMPROVING.
...08...

&&

.HYDROLOGY...
RIVER ICE ACTION IS LEADING TO RISES AND MINOR LOW LAND FLOODING ON
SOME AREA RIVERS. THE LOWER ROCK RIVER IN ILLINOIS...ESPECIALLY IN
THE ILLINOIS QUAD CITY AREA...IS EXPERIENCING THE GREATEST RISES.
TODAY THE RIVER HAS BEEN FLUCTUATING AROUND ACTION STAGE...OR WITHIN
1 FT OF THE FLOOD STAGE OF 12 FT. ALTHOUGH RIVER LEVELS ARE EXPECTED
TO REMAIN BELOW FLOOD STAGE...THEY MAY COME WITHIN 1 TO 2 FT OF IT
ESPECIALLY ON THE LOWER ROCK RIVER.  ..JAZ..

&&

.DVN WATCHES/WARNINGS/ADVISORIES...
IA...DENSE FOG ADVISORY UNTIL 6 AM CST SATURDAY FOR BENTON-BUCHANAN-
     CEDAR-CLINTON-DELAWARE-DES MOINES-DUBUQUE-HENRY IA-IOWA-
     JACKSON-JEFFERSON-JOHNSON-JONES-KEOKUK-LEE-LINN-LOUISA-
     MUSCATINE-SCOTT-VAN BUREN-WASHINGTON.

     WINTER STORM WATCH FROM 3 PM SATURDAY AFTERNOON THROUGH LATE
     SATURDAY NIGHT FOR BENTON-BUCHANAN-CEDAR-CLINTON-DELAWARE-
     DES MOINES-DUBUQUE-HENRY IA-IOWA-JACKSON-JEFFERSON-JOHNSON-
     JONES-KEOKUK-LEE-LINN-LOUISA-MUSCATINE-SCOTT-VAN BUREN-
     WASHINGTON.

IL...DENSE FOG ADVISORY UNTIL 6 AM CST SATURDAY FOR BUREAU-
     CARROLL-HANCOCK-HENDERSON-HENRY IL-JO DAVIESS-MCDONOUGH-
     MERCER-PUTNAM-ROCK ISLAND-STEPHENSON-WARREN-WHITESIDE.

     WINTER STORM WATCH FROM 3 PM SATURDAY AFTERNOON THROUGH LATE
     SATURDAY NIGHT FOR CARROLL-HANCOCK-HENDERSON-HENRY IL-JO
     DAVIESS-MCDONOUGH-MERCER-ROCK ISLAND-STEPHENSON-WARREN-
     WHITESIDE.

MO...DENSE FOG ADVISORY UNTIL 6 AM CST SATURDAY FOR CLARK-SCOTLAND.

     WINTER STORM WATCH FROM 3 PM SATURDAY AFTERNOON THROUGH LATE
     SATURDAY NIGHT FOR CLARK-SCOTLAND.

&&

&&

08/NICHOLS/JAZ
Hazardous weather outlook, Dec 21, 4:33 AM CST, 22 hours 39 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
433 AM CST FRI DEC 21 2007

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-221045-
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-
433 AM CST FRI DEC 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.

.DAY ONE...TODAY AND TONIGHT
DENSE FOG WILL PERSIST THROUGH MUCH OF THE DAY TODAY ACROSS THE
AREA.  WIDESPREAD DENSE FOG MAY LIGHTEN TO PATCHY DENSE FOG IN THE
AFTERNOON...WITH THE POTENTIAL FOR WIDESPREAD DENSE FOG AGAIN
TONIGHT.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY
A MAJOR WINTER STORM IS EXPECTED TO IMPACT THE ENTIRE OUTLOOK AREA
SATURDAY THROUGH SUNDAY. A WINTER STORM WATCH IS IN EFFECT FOR MUCH
OF THE OUTLOOK AREA FROM SATURDAY AFTERNOON THROUGH 6 AM SUNDAY
MORNING. RAIN WILL CHANGE TO SNOW FROM WEST TO EAST DURING THE DAY
SATURDAY...AND WILL BECOME ALL SNOW EVERYWHERE SATURDAY EVENING.
HEAVY SNOW CAN BE EXPECTED THROUGH MID TO LATE EVENING...ALONG
WITH RAPIDLY FALLING TEMPERATURES AND STRONG WINDS OF 25 TO 35
MPH. WIDESPREAD SNOW AMOUNTS OF 2 TO 5 INCHES CAN BE EXPECTED
THROUGH SUNDAY MORNING...WITH A BAND OF 4 TO 8 INCHES LIKELY. A
NARROW BAND OF EVEN HIGHER ACCUMULATIONS IS POSSIBLE...BUT THE
PLACEMENT OF IT IS NOT YET CERTAIN. BY LATE EVENING AND DURING THE
DAY SUNDAY...WIND GUSTS MAY REACH 40 MPH AT TIMES. THESE STRONG
WINDS WILL COMBINE WITH THE FRESH SNOW TO CREATE EXTENSIVE BLOWING
AND DRIFTING...AND POSSIBLY WHITE OUT CONDITIONS FOR SHORT PERIODS
OF TIME. THE WIND WILL ALSO CREATE DANGEROUSLY COLD WIND CHILL
READINGS. THIS WINTER STORM IS LIKELY TO IMPACT HOLIDAY TRAVEL
SEVERELY SATURDAY EVENING...AND POSSIBLY SUNDAY.

ANOTHER WINTER STORM MAY IMPACT THE MIDWEST WEDNESDAY AND THURSDAY
OF NEXT WEEK. IT IS TOO EARLY TO FORECAST THE TRACK OR STRENGTH OF
THIS POTENTIAL STORM.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT. SNOWFALL
REPORTS WOULD BE APPRECIATED SATURDAY AND SATURDAY NIGHT.

In the hours before

Special weather statement, Dec 22, 12:08 AM CST, 3 hours 4 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1208 AM CST SAT DEC 22 2007

ILZ009-015-016-221230-
WHITESIDE-ROCK ISLAND-HENRY IL-
INCLUDING THE CITIES OF...STERLING...ROCK FALLS...MOLINE...
ROCK ISLAND...KEWANEE
1208 AM CST SAT DEC 22 2007

...ICE CAUSING HIGH WATER ON THE ROCK RIVER IN MOLINE...

ICE ACTION ON THE ROCK RIVER WILL KEEP WATER LEVELS HIGH FROM THE
MISSISSIPPI RIVER UPSTREAM THROUGH THE I-74 BRIDGE FOR THE NEXT
FEW DAYS. AT 1130 PM FRIDAY THE STAGE AT MOLINE WAS 11.3 FEET. THE
RIVER IS EXPECTED TO FLUCTUATE AROUND THIS STAGE THROUGH THE
WEEKEND. AT THIS POINT...THE RIVER IS NOT EXPECTED TO GO ABOVE ITS
FLOOD STAGE OF 12 FEET.

IF YOU LIVE ALONG THE ROCK RIVER IN MOLINE AND JUST UPSTREAM OF
MOLINE...YOU SHOULD CONTINUE TO PAY CLOSE ATTENTION TO THE RIVER
STAGE FOR THE NEXT SEVERAL DAYS. ADDITIONAL RISES ON THE RIVER
COULD OCCUR IF THE ICE THAT IS BLOCKING THE CHANNEL INCREASES.

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 22, 10:38 AM CSTSnow and Blowing Snow AdvisoryDVNDes Moines, Lee, Scott5 hr
Dec 22, 3:24 PM CSTWinter Weather AdvisoryDVNDes Moines, Lee, Scott15 hr
Dec 22, 1:22 PM CSTRiver Flood AdvisoryDVNHenry, Rock Island19 hr

Nearby

Winter Storm Warnings in Iowa, 2007Winter Storm Warnings in Missouri, 2007Winter Storm Warnings in Illinois, 2007Every winter storm 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.