Alert archive / Iowa / Winter Storm Warnings in 2007

Winter Storm Warning 1, NWS Quad Cities, IA

February 12, 200711 counties in Illinois; 14 counties in Iowa; Clark County, Scotland County, Missouri

NWS Quad Cities, IA issued this winter storm warning at Feb 12, 2007, 3:34 AM CST for 11 counties in Illinois; 14 counties in Iowa; Clark County, Scotland County, Missouri. It took effect at Feb 12, 2007, 2:45 PM CST. It was in force for 27 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
Feb 12, 2007, 3:34 AM CST (09:34 UTC)
In effect from
Feb 12, 2007, 2:45 PM CST
Expired
Feb 13, 2007, 6:00 PM CST
In force
27 hr
Issued by
NWS Quad Cities, IA
All 27 counties

Cedar County, IA, Clinton County, IA, Des Moines County, IA, Henry County, IA, Iowa County, IA, Jefferson County, IA, Johnson County, IA, Keokuk County, IA, Lee County, IA, Louisa County, IA, Muscatine County, IA, Scott County, IA, Van Buren County, IA, Washington County, IA, Bureau County, IL, Carroll County, IL, Hancock County, IL, Henderson County, IL, Henry County, IL, McDonough County, IL, Mercer County, IL, Putnam County, IL, Rock Island County, IL, Warren County, IL, Whiteside County, IL, Clark County, MO, Scotland County, MO

The radar

The Quad Cities radar (KDVN), 59 km from the middle of the area, began a volume at 09:34 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
Feb 12, 11:08 PM CSTSNOW 1.8Augusta, ILSNOW STARTED AT 945 PM...NOW ONLY FLURRIES. MINOR BLOWING AND DRIFTING OF SNOW WITH GUSTY WINDS.
Feb 13, 1:04 AM CSTSNOW 1.8Macomb, IL
Feb 13, 2:03 AM CSTSNOW 1.5Burlington, IA
Feb 13, 3:05 AM CSTSNOW 0.3Carbon Cliff, IL
Feb 13, 4:00 AM CSTSNOW 1.5Ladora, IABLOWING SNOW REPORTED.
Feb 13, 4:03 AM CSTSNOW 4Augusta, IL
Feb 13, 4:30 AM CSTSNOW 2Carbon Cliff, ILHEAVY SNOW AND DRIFTING. 1.7 INCHES IN LAST 1.5 HOURS.
Feb 13, 5:34 AM CSTSNOW 41 N Macomb, IL
Feb 13, 5:59 AM CSTSNOW 3.5Rutledge, MO
Feb 13, 6:02 AM CSTSNOW 2North English, IA
Feb 13, 6:12 AM CSTSNOW 3.52 N Industry, IL
Feb 13, 6:12 AM CSTSNOW 4.52 Ssw Macomb, IL
Feb 13, 6:15 AM CSTSNOW 1.8Cordova, IL
Feb 13, 6:15 AM CSTSNOW 2.8Moline, IL
Feb 13, 6:21 AM CSTSNOW 3Memphis, MO
Feb 13, 6:21 AM CSTSNOW 4.62 N Macomb, IL
Feb 13, 6:38 AM CSTSNOW 3What Cheer, IA
Feb 13, 6:51 AM CSTSNOW 2Farmington, IA
Feb 13, 6:59 AM CSTSNOW 32 N New Windsor, IL
Feb 13, 6:59 AM CSTSNOW 3Memphis, MO
Feb 13, 7:00 AM CSTSNOW 1Columbus Junction, IA
Feb 13, 7:00 AM CSTSNOW 4.7Macomb, ILWIND GUSTS UP TO 35 MPH WITH BLOWING SNOW REDUCING VISIBILITIES DOWN TO A HALF MILE AT TIMES.
Feb 13, 7:10 AM CSTSNOW 2.5Princeton, IL
Feb 13, 7:12 AM CSTSNOW 1.7Solon, IA
Feb 13, 7:12 AM CSTSNOW 2.5Swedona, IL
Feb 13, 7:12 AM CSTSNOW 2.5Viola, IL
Feb 13, 7:12 AM CSTSNOW 3Princeton, IL
Feb 13, 7:12 AM CSTSNOW 3.5Monmouth, IL
Feb 13, 7:27 AM CSTSNOW 3.5Nauvoo, IL
Feb 13, 7:34 AM CSTSNOW 2.2Lowden, IA
Feb 13, 7:45 AM CSTSNOW 2Dewitt, IA
Feb 13, 7:49 AM CSTSNOW 2Coralville, IA
Feb 13, 7:49 AM CSTSNOW 3Carbon Cliff, IL
Feb 13, 7:52 AM CSTSNOW 2.8Davenport, IANORTHWEST PART OF TOWN.
Feb 13, 7:54 AM CSTSNOW 3Keosauqua, IA
Feb 13, 8:00 AM CSTSNOW 1.74 W Bettendorf, IA
Feb 13, 8:00 AM CSTSNOW 4.5Warsaw, IL
Feb 13, 8:30 AM CSTSNOW 3Woodhull, IL
Feb 13, 8:30 AM CSTSNOW 3.5Nauvoo, IL
Feb 13, 8:36 AM CSTSNOW 1.43 Se Dallas City, IL
Feb 13, 8:40 AM CSTSNOW 4Fort Madison, IA
Feb 13, 8:40 AM CSTSNOW 4.5Park View, IA
Feb 13, 8:48 AM CSTSNOW 2Monmouth, IL
Feb 13, 9:00 AM CSTSNOW 1.94 W Bettendorf, IA
Feb 13, 9:01 AM CSTSNOW 33 Sw Hitt, MORURAL SCOTLAND COUNTY ON HIGHWAY JJ. STARTED SNOWING AGAIN.
Feb 13, 9:04 AM CSTSNOW 3What Cheer, IA
Feb 13, 9:15 AM CSTSNOW 4W Macomb, ILMEASURED IN A SHELTERED AREA.
Feb 13, 9:22 AM CSTSNOW 3Victor, IA
Feb 13, 9:22 AM CSTSNOW 51 N Cambridge, IL
Feb 13, 9:34 AM CSTSNOW 6Good Hope, ILWINDS GUSTING TO 33 MPH. SNOW IS DRIFTED.
Feb 13, 9:34 AM CSTSNOW 6Ne Macomb, ILMEASURED 5-6 INCHES. VIS 1/4 TO 1/2 MILE WITH BLOWING SNOW. ROADS SNOW-COVERED.
Feb 13, 9:36 AM CSTSNOW 3.8Morrison, ILTOTAL OF 13 INCHES ON THE GROUND.
Feb 13, 9:57 AM CSTSNOW 4Thomson, IL
Feb 13, 10:40 AM CSTSNOW 1.8Muscatine, IA
Feb 13, 10:42 AM CSTSNOW 3.5Farmington, IA
Feb 13, 11:10 AM CSTSNOW 4.52 N Sterling, ILWEST TO EAST ORIENTED RURAL ROADS AROUND STERLING REPORTED TO BE HEAVILY DRIFTED OVER...ALMOST IMPASSABLE.
Feb 13, 11:13 AM CSTSNOW 4Dewitt, IAESTIMATED 3-4 INCHES. DRIFTS TO 2 FEET. HEAVY SNOW OCCURRING NOW.
Feb 13, 11:15 AM CSTSNOW 2.5Andalusia, IL
Feb 13, 11:18 AM CSTSNOW 6.62 N Macomb, IL32 MPH WIND GUSTS CREATING NEAR WHITEOUT CONDITIONS ON US HWY 67...CARS STOPPED.
Feb 13, 11:26 AM CSTSNOW 3.5Memphis, MO

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, 9.6 hours before the alert went out and 65 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 2007-02-12Temperature 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 2007-02-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 140 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
997 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
140 m²/s²
0-3 km storm-relative helicity
217 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 120934
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
334 AM CST MON FEB 12 2007

...AS ONE STORM EXITS ANOTHER WINTER STORM IS ON THE WAY...

.THE FIRST EVENT OF TWO EVENTS HAS ENDED. ANOTHER STRONGER SYSTEM
WILL AFFECT THE REGION LATER TONIGHT THROUGH TUESDAY.

IAZ040>042-054-ILZ001-002-007-121745-
/O.CAN.KDVN.SN.Y.0004.000000T0000Z-070212T1200Z/
/O.NEW.KDVN.SB.Y.0001.070213T0000Z-070214T0000Z/
BUCHANAN-DELAWARE-DUBUQUE-JACKSON-JO DAVIESS-STEPHENSON-CARROLL-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
MAQUOKETA...GALENA...FREEPORT...MOUNT CARROLL
334 AM CST MON FEB 12 2007

...SNOW ADVISORY IS CANCELLED...
...SNOW AND BLOWING SNOW ADVISORY IN EFFECT FROM 6 PM THIS
EVENING TO 6 PM CST TUESDAY...

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 6 PM CST TUESDAY. THE SNOW ADVISORY HAS BEEN CANCELLED. 

SNOW HAS DIMINISHED ACROSS NORTHEAST IOWA AND NORTHWEST ILLINOIS.
SNOW HAS AMOUNTED TO BETWEEN 2 TO 4 INCHES ACROSS MUCH OF THIS
AREA...BUT LITTLE IF ANY ADDITIONAL ACCUMULATION IS EXPECTED
TODAY. 

TONIGHT AND TUESDAY...ANOTHER STORM SYSTEM WILL BRING MORE
SNOW...AND ALSO BLOWING AND DRIFTING SNOW TO THE AREA. NEW SNOW
ACCUMULATIONS OF 3 TO 5 INCHES CAN BE EXPECTED TONIGHT AND
TUESDAY. NORTHEAST WINDS OF 15 TO 25 MPH WILL COMBINE WITH THE
FALLING SNOW AND SNOW ALREADY ON THE GROUND TO CREATE LOW
VISIBILITIES UNDER ONE HALF MILE AT TIMES. WIDESPREAD BLOWING AND
DRIFTING SNOW IS EXPECTED.

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.

$$

IAZ063>065-067-068-076>078-087>089-098-099-ILZ015>018-024>026-034-
035-MOZ009-010-121745-
/O.UPG.KDVN.WS.A.0002.070212T1200Z-070214T0000Z/
/O.NEW.KDVN.WS.W.0001.070213T0000Z-070214T0000Z/
IOWA-JOHNSON-CEDAR-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-
JEFFERSON-HENRY IA-DES MOINES-VAN BUREN-LEE-ROCK ISLAND-HENRY IL-
BUREAU-PUTNAM-MERCER-HENDERSON-WARREN-HANCOCK-MCDONOUGH-SCOTLAND-
CLARK-
INCLUDING THE CITIES OF...MARENGO...IOWA CITY...TIPTON...
MUSCATINE...BETTENDORF...DAVENPORT...SIGOURNEY...WASHINGTON...
WAPELLO...FAIRFIELD...MOUNT PLEASANT...BURLINGTON...KEOSAUQUA....
FORT MADISON...MOLINE...ROCK ISLAND...KEWANEE...PRINCETON...
HENNEPIN...ALEDO...OQUAWKA...MONMOUTH...CARTHAGE...MACOMB...
MEMPHIS...KAHOKA
334 AM CST MON FEB 12 2007

...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM
CST TUESDAY...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WINTER
STORM WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM
CST TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

A STRONG WINTER STORM WILL BRING THE COMBINATION OF HEAVY SNOW
AMOUNTS AND STRONG NORTHEASTERLY WINDS OF 15 TO 25 MPH TO THE AREA
TONIGHT AND TUESDAY. THE WIND WILL COMBINE WITH FALLING SNOW AND
SNOW ALREADY ON THE GROUND TO PRODUCE WIDESPREAD BLOWING AND
DRIFTING SNOW...WITH VISIBILITIES REDUCED AT TIMES TO
ONE QUARTER MILE OR LESS. NEW SNOW TOTALS OF 5 TO 7 INCHES ARE
EXPECTED ACROSS THE WARNING AREA...WITH LOCALLY HIGHER AMOUNTS
POSSIBLE...ESPECIALLY OVER WEST CENTRAL ILLINOIS. 

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

$$

IAZ051>053-066-ILZ009-121745-
/O.UPG.KDVN.WS.A.0002.070212T1200Z-070214T0000Z/
/O.NEW.KDVN.SB.Y.0001.070213T0000Z-070214T0000Z/
BENTON-LINN-JONES-CLINTON-WHITESIDE-
INCLUDING THE CITIES OF...VINTON...CEDAR RAPIDS...ANAMOSA...
CLINTON...STERLING...ROCK FALLS
334 AM CST MON FEB 12 2007

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

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 6 PM CST TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN
EFFECT. 

TONIGHT AND TUESDAY...ANOTHER STORM SYSTEM WILL BRING MORE
SNOW...AND ALSO BLOWING AND DRIFTING SNOW TO THE AREA. NEW SNOW
ACCUMULATIONS OF 3 TO 5 INCHES CAN BE EXPECTED TONIGHT AND
TUESDAY. NORTHEAST WINDS OF 15 TO 25 MPH WILL COMBINE WITH THE
FALLING SNOW AND SNOW ALREADY ON THE GROUND TO CREATE LOW
VISIBILITIES UNDER 1/2 MILE AT TIMES. WIDESPREAD BLOWING AND
DRIFTING SNOW CAN BE EXPECTED.

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.

$$


ERVIN
8 follow-up statements
000 
WWUS43 KDVN 121545
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
945 AM CST MON FEB 12 2007

...ANOTHER WINTER STORM IS ON THE WAY...

.A SIGNIFICANT WINTER STORM WILL AFFECT THE REGION LATE TONIGHT
THROUGH TUESDAY. SNOW AMOUNTS RANGING FROM 3 TO 7 INCHES OF SNOW
IS EXPECTED BY THE TIME THE SNOW ENDS ON TUESDAY. HOWEVER...STRONG
WINDS DEVELOPING LATE TONIGHT AND TUESDAY IS EXPECTED TO CREATE
CONSIDERABLE BLOWING AND DRIFTING SNOW.

IAZ063>065-067-068-076>078-087>089-098-099-ILZ015>018-024>026-034-
035-MOZ009-010-122345-
/O.CON.KDVN.WS.W.0001.070213T0000Z-070214T0000Z/
IOWA-JOHNSON-CEDAR-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-
JEFFERSON-HENRY IA-DES MOINES-VAN BUREN-LEE-ROCK ISLAND-HENRY IL-
BUREAU-PUTNAM-MERCER-HENDERSON-WARREN-HANCOCK-MCDONOUGH-SCOTLAND-
CLARK-
INCLUDING THE CITIES OF...MARENGO...IOWA CITY...TIPTON...
MUSCATINE...BETTENDORF...DAVENPORT...SIGOURNEY...WASHINGTON...
WAPELLO...FAIRFIELD...MOUNT PLEASANT...BURLINGTON...KEOSAUQUA....
FORT MADISON...MOLINE...ROCK ISLAND...KEWANEE...PRINCETON...
HENNEPIN...ALEDO...OQUAWKA...MONMOUTH...CARTHAGE...MACOMB...
MEMPHIS...KAHOKA
945 AM CST MON FEB 12 2007

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 6 PM CST TUESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 6 PM CST TUESDAY. 

A STRONG WINTER STORM WILL BRING THE COMBINATION OF HEAVY SNOW
AMOUNTS AND STRONG NORTHEASTERLY WINDS OF 15 TO 25 MPH TO THE
AREA TONIGHT AND TUESDAY. THE WIND WILL COMBINE WITH FALLING SNOW
AND SNOW ALREADY ON THE GROUND TO PRODUCE WIDESPREAD BLOWING AND
DRIFTING SNOW...WITH VISIBILITIES REDUCED AT TIMES TO ONE QUARTER
MILE OR LESS. NEW SNOW TOTALS OF 5 TO 7 INCHES ARE EXPECTED
ACROSS THE WARNING AREA...WITH LOCALLY HIGHER AMOUNTS POSSIBLE...
ESPECIALLY OVER WEST CENTRAL ILLINOIS.

A WINTER STORM WARNING MEANS 6 INCHES OR MORE OF SNOW COMBINED
WITH STRONG WINDS 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>054-066-ILZ001-002-007-009-122345-
/O.CON.KDVN.SB.Y.0001.070213T0000Z-070214T0000Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-CLINTON-
JO DAVIESS-STEPHENSON-CARROLL-WHITESIDE-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...CLINTON...GALENA...
FREEPORT...MOUNT CARROLL...STERLING...ROCK FALLS
945 AM CST MON FEB 12 2007

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

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

ANOTHER STORM SYSTEM WILL BRING MORE SNOW... AND ALSO BLOWING AND
DRIFTING SNOW TO THE AREA TONIGHT INTO TUESDAY. NEW SNOW ACCUMULATIONS
OF 3 TO 5 INCHES CAN BE EXPECTED TONIGHT AND TUESDAY. NORTHEAST
WINDS OF 15 TO 25 MPH WILL COMBINE WITH THE FALLING SNOW AND SNOW
ALREADY ON THE GROUND TO CREATE LOW VISIBILITIES UNDER ONE HALF
MILE AT TIMES. WIDESPREAD BLOWING AND DRIFTING SNOW IS EXPECTED.

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.

$$
000 
WWUS43 KDVN 122045
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
245 PM CST MON FEB 12 2007

...SIGNIFICANT WINTER STORM ON THE WAY...

.A WINTER STORM WILL AFFECT THE REGION TONIGHT INTO TUESDAY. SNOW
ACCUMULATIONS FROM 3 TO 7 INCHES WITH LOCALLY HIGHER AMOUNTS IS
EXPECTED BY THE TIME THE SNOW ENDS TUESDAY EVENING. AN ADDITIONAL
PROBLEM WILL BE THE WIND. STRONG WINDS DEVELOPING LATE TONIGHT AND
TUESDAY ARE EXPECTED TO CREATE CONSIDERABLE BLOWING AND DRIFTING
SNOW...ESPECIALLY IN RURAL AREAS.

PRIOR TO THE SNOW DEVELOPMENT TONIGHT...THERE MAY BE A PERIOD OF
FREEZING DRIZZLE. IF THIS OCCURS...THE FREEZING DRIZZLE WOULD
DEVELOP FROM SOUTH TO NORTH DURING THE EVENING HOURS.

IAZ066-ILZ007-009-130445-
/O.UPG.KDVN.SB.Y.0001.070213T0000Z-070214T0000Z/
/O.EXA.KDVN.WS.W.0001.070213T0000Z-070214T0000Z/
CLINTON-CARROLL-WHITESIDE-
INCLUDING THE CITIES OF...CLINTON...MOUNT CARROLL...STERLING...
ROCK FALLS
245 PM CST MON FEB 12 2007

...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM
CST TUESDAY...

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

SNOW WILL DEVELOP AROUND OR SHORTLY AFTER MIDNIGHT. PRIOR TO THE
DEVELOPMENT OF THE SNOW...A PERIOD OF FREEZING DRIZZLE MAY BE SEEN
DURING THE EVENING HOURS.

THE SNOW IS EXPECTED TO BECOME HEAVY AT TIMES PRIOR TO SUNRISE
AND CONTINUE THROUGH EARLY AFTERNOON TUESDAY. SNOW ACCUMULATIONS
OF 5 TO 7 INCHES ARE EXPECTED BY TUESDAY EVENING. THE SNOW COMBINED
WITH WINDS OF 15 TO 25 MPH WILL CREATE CONSIDERABLE BLOWING AND
DRIFTING SNOW.

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

$$

IAZ063>065-067-068-076>078-087>089-098-099-ILZ015>018-024>026-034-
035-MOZ009-010-130445-
/O.CON.KDVN.WS.W.0001.070213T0000Z-070214T0000Z/
IOWA-JOHNSON-CEDAR-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-
JEFFERSON-HENRY IA-DES MOINES-VAN BUREN-LEE-ROCK ISLAND-HENRY IL-
BUREAU-PUTNAM-MERCER-HENDERSON-WARREN-HANCOCK-MCDONOUGH-SCOTLAND-
CLARK-
INCLUDING THE CITIES OF...MARENGO...IOWA CITY...TIPTON...
MUSCATINE...BETTENDORF...DAVENPORT...SIGOURNEY...WASHINGTON...
WAPELLO...FAIRFIELD...MOUNT PLEASANT...BURLINGTON...KEOSAUQUA....
FORT MADISON...MOLINE...ROCK ISLAND...KEWANEE...PRINCETON...
HENNEPIN...ALEDO...OQUAWKA...MONMOUTH...CARTHAGE...MACOMB...
MEMPHIS...KAHOKA
245 PM CST MON FEB 12 2007

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 6 PM CST TUESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 6 PM CST TUESDAY. 

SNOW WILL DEVELOP FROM SOUTH TO NORTH AROUND OR SHORTLY AFTER MID
EVENING. PRIOR TO THE DEVELOPMENT OF THE SNOW...A PERIOD OF FREEZING
DRIZZLE MAY BE SEEN DURING THE EVENING HOURS.

THE SNOW IS EXPECTED TO BECOME HEAVY AT TIMES AFTER MIDNIGHT AND
CONTINUE THROUGH EARLY AFTERNOON TUESDAY. SNOW ACCUMULATIONS OF 5
TO 7 INCHES WITH LOCALLY HIGHER AMOUNTS ARE EXPECTED BY TUESDAY
EVENING. THE SNOW COMBINED WITH WINDS OF 15 TO 25 MPH WILL CREATE
CONSIDERABLE BLOWING AND DRIFTING SNOW.

A WINTER STORM WARNING MEANS 6 INCHES OR MORE OF SNOW COMBINED
WITH STRONG WINDS 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>054-ILZ001-002-130445-
/O.CON.KDVN.SB.Y.0001.070213T0000Z-070214T0000Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-JO DAVIESS-
STEPHENSON-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...GALENA...FREEPORT
245 PM CST MON FEB 12 2007

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

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

SNOW WILL DEVELOP AFTER MIDNIGHT. PRIOR TO THE DEVELOPMENT OF THE
SNOW...A PERIOD OF FREEZING DRIZZLE MAY BE SEEN DURING THE EVENING
HOURS.

THE SNOW IS EXPECTED TO BECOME HEAVY AT TIMES SHORTLY BEFORE SUNRISE
AND CONTINUE THROUGH MID DAY TUESDAY. SNOW ACCUMULATIONS OF 3 TO 5
INCHES ARE EXPECTED BY TUESDAY EVENING. THE SNOW COMBINED WITH WINDS
OF 15 TO 25 MPH WILL CREATE CONSIDERABLE BLOWING AND DRIFTING SNOW.

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.

$$

08
000 
WWUS43 KDVN 130333
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
933 PM CST MON FEB 12 2007

...SIGNIFICANT WINTER STORM ON THE WAY...

.A WINTER STORM IS BEGINNING TO AFFECT THE REGION THIS EVENING AND 
WILL LAST INTO TUESDAY. SNOW ACCUMULATIONS FROM 2 TO 8 INCHES WITH
LOCALLY HIGHER AMOUNTS SOUTH OF HIGHWAY 34 ARE EXPECTED BY THE
TIME THE SNOW ENDS TUESDAY EVENING. AN ADDITIONAL PROBLEM WILL BE
THE WIND. STRONG WINDS DEVELOPING LATE TONIGHT AND TUESDAY ARE
EXPECTED TO CREATE CONSIDERABLE BLOWING AND DRIFTING
SNOW...ESPECIALLY IN RURAL AREAS.


IAZ063>068-076>078-087>089-098-099-ILZ007-009-015>018-024>026-034-
035-MOZ009-010-131145-
/O.CON.KDVN.WS.W.0001.000000T0000Z-070214T0000Z/
IOWA-JOHNSON-CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-
LOUISA-JEFFERSON-HENRY IA-DES MOINES-VAN BUREN-LEE-CARROLL-
WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-HENDERSON-
WARREN-HANCOCK-MCDONOUGH-SCOTLAND-CLARK-
INCLUDING THE CITIES OF...MARENGO...IOWA CITY...TIPTON...
CLINTON...MUSCATINE...BETTENDORF...DAVENPORT...SIGOURNEY...
WASHINGTON...WAPELLO...FAIRFIELD...MOUNT PLEASANT...BURLINGTON...
KEOSAUQUA....FORT MADISON...MOUNT CARROLL...STERLING...
ROCK FALLS...MOLINE...ROCK ISLAND...KEWANEE...PRINCETON...
HENNEPIN...ALEDO...OQUAWKA...MONMOUTH...CARTHAGE...MACOMB...
MEMPHIS...KAHOKA
933 PM CST MON FEB 12 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST
TUESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST TUESDAY. 

SNOW IS OVERSPREAD THE AREA FROM SOUTH TO NORTH AND WILL COVER
THE REGION BY 3 AM. THE SNOW WILL QUICKLY BECOME HEAVY AT TIMES
AFTER AND CONTINUE THROUGH MID AFTERNOON TUESDAY. SNOW ACCUMULATIONS
OF 4 TO 8 INCHES WITH LOCALLY HIGHER AMOUNTS ALONG AND ESPECIALLY
SOUTH OF HIGHWAY 34 ARE EXPECTED BY TUESDAY EVENING. THE SNOW
COMBINED WITH WINDS OF 20 TO 30 MPH WILL CREATE AREAS OF SIGNIFICANT
BLOWING AND DRIFTING SNOW...ESPECIALLY IN RURAL LOCATIONS.

A WINTER STORM WARNING MEANS 6 INCHES OR MORE OF SNOW COMBINED
WITH STRONG WINDS 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>054-ILZ001-002-131145-
/O.CON.KDVN.SB.Y.0001.000000T0000Z-070214T0000Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-JO DAVIESS-
STEPHENSON-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...GALENA...FREEPORT
933 PM CST MON FEB 12 2007

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM
CST TUESDAY...

A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST
TUESDAY. 

SNOW WILL DEVELOP WELL AFTER MIDNIGHT. PRIOR TO THE DEVELOPMENT
OF THE SNOW...PERIODS OF FREEZING DRIZZLE MAY BE SEEN DURING THE
EVENING HOURS INTO THE EARLY MORNING HOURS.

THE SNOW IS EXPECTED TO BECOME HEAVY AT TIMES SHORTLY BEFORE SUNRISE
AND CONTINUE THROUGH MID DAY TUESDAY. SNOW ACCUMULATIONS OF 2 TO 5
INCHES ARE EXPECTED BY TUESDAY EVENING. THE SNOW COMBINED WITH
WINDS OF 15 TO 25 MPH WILL CREATE CONSIDERABLE BLOWING AND
DRIFTING SNOW.

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.

$$

NICHOLS
000 
WWUS43 KDVN 130342 CCA
WSWDVN

URGENT - WINTER WEATHER MESSAGE...CORRECTION
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
942 PM CST MON FEB 12 2007

...SIGNIFICANT WINTER STORM ON THE WAY...

.A WINTER STORM IS BEGINNING TO AFFECT THE REGION THIS EVENING AND 
WILL LAST INTO TUESDAY. SNOW ACCUMULATIONS FROM 2 TO 8 INCHES WITH
LOCALLY HIGHER AMOUNTS SOUTH OF HIGHWAY 34 ARE EXPECTED BY THE
TIME THE SNOW ENDS TUESDAY EVENING. AN ADDITIONAL PROBLEM WILL BE
THE WIND. STRONG WINDS DEVELOPING LATE TONIGHT AND TUESDAY ARE
EXPECTED TO CREATE CONSIDERABLE BLOWING AND DRIFTING
SNOW...ESPECIALLY IN RURAL AREAS.


IAZ063>068-076>078-087>089-098-099-ILZ007-009-015>018-024>026-034-
035-MOZ009-010-131145-
/O.CON.KDVN.WS.W.0001.000000T0000Z-070214T0000Z/
IOWA-JOHNSON-CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-
LOUISA-JEFFERSON-HENRY IA-DES MOINES-VAN BUREN-LEE-CARROLL-
WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-HENDERSON-
WARREN-HANCOCK-MCDONOUGH-SCOTLAND-CLARK-
INCLUDING THE CITIES OF...MARENGO...IOWA CITY...TIPTON...
CLINTON...MUSCATINE...BETTENDORF...DAVENPORT...SIGOURNEY...
WASHINGTON...WAPELLO...FAIRFIELD...MOUNT PLEASANT...BURLINGTON...
KEOSAUQUA....FORT MADISON...MOUNT CARROLL...STERLING...
ROCK FALLS...MOLINE...ROCK ISLAND...KEWANEE...PRINCETON...
HENNEPIN...ALEDO...OQUAWKA...MONMOUTH...CARTHAGE...MACOMB...
MEMPHIS...KAHOKA
942 PM CST MON FEB 12 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST
TUESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST TUESDAY. 

SNOW IS OVERSPREAD THE AREA FROM SOUTH TO NORTH AND WILL COVER
THE REGION BY 3 AM. THE SNOW WILL QUICKLY BECOME HEAVY AT TIMES AND 
CONTINUE THROUGH MID AFTERNOON TUESDAY. SNOW ACCUMULATIONS OF 4 TO 8 
INCHES WITH LOCALLY HIGHER AMOUNTS ALONG AND ESPECIALLY SOUTH OF 
HIGHWAY 34 ARE EXPECTED BY TUESDAY EVENING. THE SNOW COMBINED WITH 
WINDS OF 20 TO 30 MPH WILL CREATE AREAS OF SIGNIFICANT BLOWING AND 
DRIFTING SNOW...ESPECIALLY IN RURAL LOCATIONS.

A WINTER STORM WARNING MEANS 6 INCHES OR MORE OF SNOW COMBINED
WITH STRONG WINDS 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>054-ILZ001-002-131145-
/O.CON.KDVN.SB.Y.0001.000000T0000Z-070214T0000Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-JO DAVIESS-
STEPHENSON-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...GALENA...FREEPORT
942 PM CST MON FEB 12 2007

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM
CST TUESDAY...

A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST
TUESDAY. 

SNOW WILL DEVELOP WELL AFTER MIDNIGHT. PRIOR TO THE DEVELOPMENT
OF THE SNOW...PERIODS OF FREEZING DRIZZLE MAY BE SEEN DURING THE
EVENING HOURS INTO THE EARLY MORNING HOURS.

THE SNOW IS EXPECTED TO BECOME HEAVY AT TIMES SHORTLY BEFORE SUNRISE
AND CONTINUE THROUGH MID DAY TUESDAY. SNOW ACCUMULATIONS OF 2 TO 5
INCHES ARE EXPECTED BY TUESDAY EVENING. THE SNOW COMBINED WITH
WINDS OF 15 TO 25 MPH WILL CREATE CONSIDERABLE BLOWING AND
DRIFTING SNOW.

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.

$$

NICHOLS
000 
WWUS43 KDVN 131035
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
435 AM CST TUE FEB 13 2007

...STRONG WINTER STORM IMPACTING AREA TODAY...

.A STRONG WINTER STORM SYSTEM WILL CONTINUE TO IMPACT EASTERN 
IOWA...NORTHWEST ILLINOIS AND NORTHEAST MISSOURI TODAY. A
STRENGTHENING AREA OF LOW PRESSURE OVER ARKANSAS WILL CONTINUE
NORTHEAST PRODUCING WIDESPREAD SNOW AND BLOWING SNOW ACROSS THE
AREA. STRONG NORTHEAST WINDS AND ADDITIONAL ACCUMULATING SNOW WILL
CREATE NEAR BLIZZARD CONDITIONS...ESPECIALLY OVER NORTHWEST
ILLINOIS INTO FAR SOUTHEAST IOWA...UNTIL THE STORM SYSTEM LIFTS
INTO THE OHIO RIVER VALLEY THIS EVENING. 

IAZ063>068-076>078-087-088-098-ILZ007-009-015-MOZ009-131845-
/O.CON.KDVN.WS.W.0001.000000T0000Z-070214T0000Z/
IOWA-JOHNSON-CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-
LOUISA-JEFFERSON-HENRY IA-VAN BUREN-CARROLL-WHITESIDE-ROCK ISLAND-
SCOTLAND-
INCLUDING THE CITIES OF...MARENGO...IOWA CITY...TIPTON...
CLINTON...MUSCATINE...BETTENDORF...DAVENPORT...SIGOURNEY...
WASHINGTON...WAPELLO...FAIRFIELD...MOUNT PLEASANT...KEOSAUQUA....
MOUNT CARROLL...STERLING...ROCK FALLS...MOLINE...ROCK ISLAND...
MEMPHIS
435 AM CST TUE FEB 13 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING. 

SNOW AND BLOWING SNOW WILL CONTINUE TODAY WITH ADDITIONAL
SNOW ACCUMULATIONS OF 2 TO 4 INCHES. TOTAL ACCUMULATIONS WILL
REACH 3 TO 5 INCHES...WITH LOCALLY HIGHER AMOUNTS ESPECIALLY SOUTH
OF INTERSTATE 80. NORTHEAST WINDS FROM 20 TO 30 MPH...WITH GUSTS
AS HIGH AS 35 MPH...WILL CREATE NEAR WHITE OUT CONDITIONS. TRAVEL
WILL BE DIFFICULT AND POTENTIALLY DANGEROUS...ESPECIALLY IN RURAL
AREAS WHERE VISIBILITY WILL BE POOR AND DRIFTING SNOW WILL KEEP ROADS
SNOW COVERED. CONDITIONS WILL GRADUALLY IMPROVE TOWARD EVENING. 

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

$$

IAZ089-099-ILZ016>018-024>026-034-035-MOZ010-131845-
/O.CON.KDVN.WS.W.0001.000000T0000Z-070214T0000Z/
DES MOINES-LEE-HENRY IL-BUREAU-PUTNAM-MERCER-HENDERSON-WARREN-
HANCOCK-MCDONOUGH-CLARK-
INCLUDING THE CITIES OF...BURLINGTON...FORT MADISON...KEWANEE...
PRINCETON...HENNEPIN...ALEDO...OQUAWKA...MONMOUTH...CARTHAGE...
MACOMB...KAHOKA
435 AM CST TUE FEB 13 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING. 

SNOW AND BLOWING SNOW WILL CONTINUE TODAY WITH ADDITIONAL
SNOW ACCUMULATIONS OF 3 TO 5 INCHES. TOTAL ACCUMULATIONS WILL
REACH 6 TO 8 INCHES...WITH LOCALLY HIGHER AMOUNTS ESPECIALLY
EAST OF A LINE FROM GENESEO TO KEOKUK. NORTHEAST WINDS FROM 20
TO 30 MPH...WITH GUSTS AS HIGH AS 35 MPH...WILL CREATE NEAR
BLIZZARD CONDITIONS. TRAVEL WILL BE DIFFICULT...IF NOT
IMPOSSIBLE AT TIMES DUE TO BLOWING SNOW AND SNOW COVERED ROADS IN
OPEN AREAS. CONDITIONS WILL GRADUALLY IMPROVE TOWARD EVENING.

A WINTER STORM WARNING MEANS 6 INCHES OR MORE OF SNOW COMBINED
WITH STRONG WINDS 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>054-ILZ001-002-131845-
/O.CON.KDVN.SB.Y.0001.000000T0000Z-070214T0000Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-JO DAVIESS-
STEPHENSON-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...GALENA...FREEPORT
435 AM CST TUE FEB 13 2007

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM
CST THIS EVENING...

A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST
THIS EVENING. 

SNOW AND BLOWING SNOW WILL CONTINUE INTO AFTERNOON WITH ADDITIONAL
ACCUMULATIONS OF 1 TO 3 INCHES. STORM TOTAL AMOUNTS WILL BE AS
HIGH AS 3 TO 5 INCHES...WITH THE HIGHER TOTALS LIKELY EAST OF A
LINE FROM DUBUQUE TO CEDAR RAPIDS. NORTHEAST WINDS FROM 15 TO 25
MPH WITH GUSTS NEAR 30 MPH WILL CAUSE CONSIDERABLE BLOWING AND
DRIFTING SNOW. TRAVEL WILL REMAIN DIFFICULT IN OPEN AREAS WITH
AREAS OF POOR VISIBILITY AND DRIFTING SNOW. CONDITIONS ARE
EXPECTED TO IMPROVE BY LATE AFTERNOON. 

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.

$$

SHEETS
000 
WWUS43 KDVN 131622
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1022 AM CST TUE FEB 13 2007

...WINTER STORM IMPACTING AREA TODAY...

.A WINTER STORM SYSTEM WILL CONTINUE TO IMPACT THE AREA TODAY.
TWO SEPARATE AREAS OF SNOW WILL CONTINUE TO AFFECT THE AREA...WITH
A STRONG BAND OF SNOW MOVING ACROSS EASTERN IOWA INTO NORTHWESTERN
ILLINOIS AND NORTHEASTERN MISSOURI...AND A BROAD AREA OF HEAVY
SNOW AND HIGH WINDS IN WEST CENTRAL ILLINOIS. STRONG NORTHEAST
WINDS AND ADDITIONAL ACCUMULATING SNOW WILL CREATE NEAR BLIZZARD
CONDITIONS...ESPECIALLY OVER NORTHWEST ILLINOIS INTO FAR SOUTHEAST
IOWA...UNTIL THE STORM SYSTEM LIFTS INTO THE OHIO RIVER VALLEY
THIS EVENING.

IAZ063>068-076>078-087-088-098-ILZ007-009-015-MOZ009-140000-
/O.CON.KDVN.WS.W.0001.000000T0000Z-070214T0000Z/
IOWA-JOHNSON-CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-
LOUISA-JEFFERSON-HENRY IA-VAN BUREN-CARROLL-WHITESIDE-ROCK ISLAND-
SCOTLAND-
INCLUDING THE CITIES OF...MARENGO...IOWA CITY...TIPTON...
CLINTON...MUSCATINE...BETTENDORF...DAVENPORT...SIGOURNEY...
WASHINGTON...WAPELLO...FAIRFIELD...MOUNT PLEASANT...KEOSAUQUA....
MOUNT CARROLL...STERLING...ROCK FALLS...MOLINE...ROCK ISLAND...
MEMPHIS
1022 AM CST TUE FEB 13 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING. 

SNOW AND BLOWING SNOW WILL CONTINUE TODAY WITH ADDITIONAL SNOW
ACCUMULATIONS OF 1 TO 3 INCHES. TOTAL ACCUMULATIONS WILL REACH
3 TO 5 INCHES...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. NORTHEAST
WINDS FROM 20 TO 30 MPH...WITH GUSTS AS HIGH AS 35 MPH...WILL
CREATE NEAR WHITE OUT CONDITIONS. TRAVEL WILL BE DIFFICULT AND
POTENTIALLY DANGEROUS...ESPECIALLY IN RURAL AREAS WHERE VISIBILITY
WILL BE POOR AND DRIFTING SNOW WILL KEEP ROADS SNOW COVERED.
CONDITIONS WILL GRADUALLY IMPROVE TOWARD EVENING.

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

$$

IAZ089-099-ILZ016>018-024>026-034-035-MOZ010-140000-
/O.CON.KDVN.WS.W.0001.000000T0000Z-070214T0000Z/
DES MOINES-LEE-HENRY IL-BUREAU-PUTNAM-MERCER-HENDERSON-WARREN-
HANCOCK-MCDONOUGH-CLARK-
INCLUDING THE CITIES OF...BURLINGTON...FORT MADISON...KEWANEE...
PRINCETON...HENNEPIN...ALEDO...OQUAWKA...MONMOUTH...CARTHAGE...
MACOMB...KAHOKA
1022 AM CST TUE FEB 13 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING. 

SNOW AND BLOWING SNOW WILL CONTINUE TODAY WITH ADDITIONAL SNOW
ACCUMULATIONS OF 2 TO 4 INCHES. TOTAL ACCUMULATIONS WILL REACH
5 TO 8 INCHES...WITH LOCALLY HIGHER AMOUNTS POSSIBLE MAINLY EAST
OF A LINE FROM GENESEO TO KEOKUK. NORTHEAST WINDS FROM 20 TO 30
MPH... WITH GUSTS AS HIGH AS 35 MPH...WILL CREATE NEAR BLIZZARD
CONDITIONS. TRAVEL WILL BE DIFFICULT AND POTENTIALLY
DANGEROUS...ESPECIALLY IN RURAL AREAS WHERE VISIBILITY WILL BE
POOR AND DRIFTING SNOW WILL KEEP ROADS SNOW COVERED. CONDITIONS
WILL GRADUALLY IMPROVE TOWARD EVENING.

A WINTER STORM WARNING MEANS 6 INCHES OR MORE OF SNOW COMBINED
WITH STRONG WINDS 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>054-ILZ001-002-140000-
/O.CON.KDVN.SB.Y.0001.000000T0000Z-070214T0000Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-JO DAVIESS-
STEPHENSON-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...GALENA...FREEPORT
1022 AM CST TUE FEB 13 2007

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM
CST THIS EVENING...

A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST
THIS EVENING. 

SNOW AND BLOWING SNOW WILL CONTINUE INTO AFTERNOON WITH
ADDITIONAL ACCUMULATIONS OF 1 TO 2 INCHES. STORM TOTAL AMOUNTS
WILL BE AS HIGH AS 3 TO 5 INCHES...WITH THE HIGHER TOTALS EAST
OF A LINE FROM DUBUQUE TO CEDAR RAPIDS. NORTHEAST WINDS FROM 20
TO 30 MPH WITH GUSTS NEAR 35 MPH WILL CAUSE CONSIDERABLE BLOWING
AND DRIFTING SNOW. TRAVEL WILL REMAIN DIFFICULT IN OPEN AREAS WITH
AREAS OF POOR VISIBILITY AND DRIFTING SNOW. CONDITIONS ARE
EXPECTED TO IMPROVE BY LATE AFTERNOON.

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.

$$

MAYES
000 
WWUS43 KDVN 132056
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
256 PM CST TUE FEB 13 2007

...SNOW DIMINISHING BUT BLOWING SNOW CONTINUES...

.A WINTER STORM SYSTEM WILL CONTINUE TO IMPACT THE AREA THROUGH
THE AFTERNOON. THE HEAVIER SNOW IS LINGERING IN FAR SOUTHEASTERN
IOWA AND INTO WEST CENTRAL ILLINOIS...WITH LIGHT SNOW LINGERING
ACROSS THE REST OF THE AREA. NORTHEASTERLY WINDS CONTINUE AT 15 TO
25 MPH WITH GUSTS UP TO 35 MPH...CREATING BLOWING SNOW CONDITIONS
ACROSS THE AREA.

IAZ063>068-076>078-087-088-098-ILZ007-009-015-MOZ009-140000-
/O.CON.KDVN.WS.W.0001.000000T0000Z-070214T0000Z/
IOWA-JOHNSON-CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-
LOUISA-JEFFERSON-HENRY IA-VAN BUREN-CARROLL-WHITESIDE-ROCK ISLAND-
SCOTLAND-
INCLUDING THE CITIES OF...MARENGO...IOWA CITY...TIPTON...
CLINTON...MUSCATINE...BETTENDORF...DAVENPORT...SIGOURNEY...
WASHINGTON...WAPELLO...FAIRFIELD...MOUNT PLEASANT...KEOSAUQUA....
MOUNT CARROLL...STERLING...ROCK FALLS...MOLINE...ROCK ISLAND...
MEMPHIS
256 PM CST TUE FEB 13 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING. 

SNOW AND BLOWING SNOW WILL CONTINUE THIS AFTERNOON...WITH
ADDITIONAL SNOW ACCUMULATIONS AROUND AN INCH. TOTAL ACCUMULATIONS
WILL REACH 4 TO 6 INCHES...WITH LOCALLY HIGHER AMOUNTS POSSIBLE.
NORTHEAST WINDS FROM 20 TO 30 MPH...WITH GUSTS AS HIGH AS 35
MPH...ARE REDUCING VISIBILITIES AND CAUSING BLOWING AND DRIFTING
SNOW ACROSS ROADS. TRAVEL WILL REMAIN DIFFICULT AND POTENTIALLY
DANGEROUS...ESPECIALLY IN RURAL AREAS WHERE VISIBILITY WILL BE
POOR AND DRIFTING SNOW WILL KEEP ROADS SNOW COVERED. CONDITIONS
WILL GRADUALLY IMPROVE THIS EVENING.

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

$$

IAZ089-099-ILZ016>018-024>026-034-035-MOZ010-140000-
/O.CON.KDVN.WS.W.0001.000000T0000Z-070214T0000Z/
DES MOINES-LEE-HENRY IL-BUREAU-PUTNAM-MERCER-HENDERSON-WARREN-
HANCOCK-MCDONOUGH-CLARK-
INCLUDING THE CITIES OF...BURLINGTON...FORT MADISON...KEWANEE...
PRINCETON...HENNEPIN...ALEDO...OQUAWKA...MONMOUTH...CARTHAGE...
MACOMB...KAHOKA
256 PM CST TUE FEB 13 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING. 

SNOW AND BLOWING SNOW WILL CONTINUE TODAY WITH ADDITIONAL SNOW
ACCUMULATIONS OF 1 TO 2 INCHES. TOTAL ACCUMULATIONS WILL REACH
6 TO 8 INCHES...WITH LOCALLY HIGHER AMOUNTS POSSIBLE MAINLY EAST
OF A LINE FROM GENESEO TO KEOKUK. NORTHEAST WINDS FROM 20 TO
30 MPH... WITH GUSTS AS HIGH AS 35 MPH...ARE REDUCING VISIBILITIES
AND CAUSING BLOWING AND DRIFTING SNOW ACROSS ROADS. TRAVEL WILL
REMAIN DIFFICULT AND POTENTIALLY DANGEROUS...ESPECIALLY IN RURAL
AREAS WHERE VISIBILITY WILL BE POOR AND DRIFTING SNOW WILL KEEP
ROADS SNOW COVERED. CONDITIONS WILL GRADUALLY IMPROVE THIS EVENING.

A WINTER STORM WARNING MEANS 6 INCHES OR MORE OF SNOW COMBINED
WITH STRONG WINDS 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>054-ILZ001-002-140000-
/O.CON.KDVN.SB.Y.0001.000000T0000Z-070214T0000Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-JO DAVIESS-
STEPHENSON-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...GALENA...FREEPORT
256 PM CST TUE FEB 13 2007

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM
CST THIS EVENING...

A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST
THIS EVENING. 

SNOW AND BLOWING SNOW WILL CONTINUE INTO AFTERNOON WITH
ADDITIONAL ACCUMULATIONS UP TO AN INCH. STORM TOTAL AMOUNTS WILL
BE AS HIGH AS 3 TO 5 INCHES...WITH THE HIGHER TOTALS EAST OF A
LINE FROM DUBUQUE TO CEDAR RAPIDS. NORTHEAST WINDS FROM 20 TO 30
MPH WITH GUSTS NEAR 35 MPH WILL CAUSE CONSIDERABLE BLOWING AND
DRIFTING SNOW. TRAVEL WILL REMAIN DIFFICULT IN OPEN AREAS WITH
AREAS OF POOR VISIBILITY AND SNOW DRIFTING ACROSS ROADS.
CONDITIONS ARE EXPECTED TO IMPROVE DURING THE LATE AFTERNOON.

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.

$$

MAYES
000 
WWUS43 KDVN 140011
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
611 PM CST TUE FEB 13 2007

...SNOW WINDING DOWN...

.SNOW WILL BE DIMINISHING TO FLURRIES BEFORE ENDING FROM NORTHWEST
TO SOUTHEAST LATER THIS EVENING AND OVERNIGHT. STRONG NORTH
WINDS WILL LINGER AND COMBINE WITH THE FRESHLY FALLEN SNOW TO 
PRODUCE CONSIDERABLE BLOWING AND DRIFTING...MAKING FOR HAZARDOUS
TRAVEL.

IAZ063>068-076>078-087>089-098-099-ILZ007-009-015>018-024>026-034-
035-MOZ009-010-140600-
/O.EXP.KDVN.WS.W.0001.000000T0000Z-070214T0000Z/
/O.NEW.KDVN.BS.Y.0001.070214T0011Z-070214T0600Z/
IOWA-JOHNSON-CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-
LOUISA-JEFFERSON-HENRY IA-DES MOINES-VAN BUREN-LEE-CARROLL-
WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-HENDERSON-
WARREN-HANCOCK-MCDONOUGH-SCOTLAND-CLARK-
INCLUDING THE CITIES OF...MARENGO...IOWA CITY...TIPTON...
CLINTON...MUSCATINE...BETTENDORF...DAVENPORT...SIGOURNEY...
WASHINGTON...WAPELLO...FAIRFIELD...MOUNT PLEASANT...BURLINGTON...
KEOSAUQUA....FORT MADISON...MOUNT CARROLL...STERLING...
ROCK FALLS...MOLINE...ROCK ISLAND...KEWANEE...PRINCETON...
HENNEPIN...ALEDO...OQUAWKA...MONMOUTH...CARTHAGE...MACOMB...
MEMPHIS...KAHOKA
611 PM CST TUE FEB 13 2007

...WINTER STORM WARNING HAS EXPIRED...
...BLOWING SNOW ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A BLOWING
SNOW ADVISORY...WHICH IS IN EFFECT UNTIL MIDNIGHT CST TONIGHT.
THE WINTER STORM WARNING IS NO LONGER IN EFFECT. 

NORTHERLY WINDS AT 15 TO 25 MPH AND GUSTY WILL PRODUCE CONSIDERABLE
BLOWING AND DRIFTING SNOW THIS EVENING REDUCING VISIBILITIES AND
MAKING FOR DIFFICULT DRIVING CONDITIONS...ESPECIALLY IN OPEN 
OR RURAL AREAS.

A BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE ONE-HALF
MILE OR LESS DUE TO STRONG WINDS CAUSING BLOWING SNOW. BE CAREFUL
WHEN TRAVELING... ESPECIALLY IN RURAL AREAS...AND ON EAST-WEST 
ROADS.

$$

IAZ040>042-051>054-ILZ001-002-140600-
/O.EXP.KDVN.SB.Y.0001.000000T0000Z-070214T0000Z/
/O.NEW.KDVN.BS.Y.0001.070214T0011Z-070214T0600Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-JO DAVIESS-
STEPHENSON-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...GALENA...FREEPORT
611 PM CST TUE FEB 13 2007

...SNOW AND BLOWING SNOW ADVISORY HAS EXPIRED...
...BLOWING SNOW ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A BLOWING
SNOW ADVISORY...WHICH IS IN EFFECT UNTIL MIDNIGHT CST TONIGHT.
THE SNOW AND BLOWING SNOW ADVISORY IS NO LONGER IN EFFECT. 

NORTHERLY WINDS AT 15 TO 25 MPH AND GUSTY WILL PRODUCE CONSIDERABLE
BLOWING AND DRIFTING SNOW THIS EVENING REDUCING VISIBILITIES AND
MAKING FOR DIFFICULT DRIVING CONDITIONS...ESPECIALLY IN OPEN 
OR RURAL AREAS

A BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE ONE-HALF
MILE OR LESS DUE TO STRONG WINDS CAUSING BLOWING SNOW.  BE
CAREFUL WHEN TRAVELING... ESPECIALLY IN RURAL AREAS...AND ON
EAST-WEST ROADS.

$$

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 Feb 12, 3:30 AM CST, 4 minutes earlier.

Area forecast discussion, Feb 12, 3:30 AM CST, 4 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
330 AM CST MON FEB 12 2007

.SYNOPSIS...
A NARROW...BUT RATHER IMPRESSIVE BAND OF LIFT IS CURRENTLY EXITING
THE NORTHEAST SECTIONS OF THE CWA THIS MORNING...AND HAS BEEN
RESPONSIBLE FOR PRODUCING WIDESPREAD SNOW AMOUNTS OF 1 TO LIKELY 3
OR 4 INCHES IN THE NORTHEAST 1/3 OF THE CWA.  THE SOUTHERN EDGE IS A
RATHER SHARP CUT OFF...WITH MOLINE ONLY RECIEVING 0.1 INCH...AND
JUST NORTH OF DAVENPORT RECIEVING AROUND 2 INCHES.  ALOFT...THERE
ARE TWO MAIN SHORT WAVES APPROACHING THE MIDWEST.  IN THE NORTHERN
STREAM...NEAR IDAHO...WHICH WAS PRODUCING LIGHTNING IN THE LAST FEW
HOURS. THE OTHER AND STRONGER VORT IS MOVING EAST THROUGH AZ AND
NM...AND SHOULD HELP INDUCE A SIGNFICANT LOW PRESSURE TODAY AND
TOMORROW. OTHERWISE...LOW LEVEL MOISTURE IS PLENTIFUL WITH LOW CIGS
AND LIGHT FOG WIDESPREAD. DRIZZLE AND SOME FREEZING DRIZZLE IS
SLOWLY SPREADING EAST...AND THIS WILL NEED TO BE INCLUDED IN THIS
MORNINGS GRIDS.
&&

.SHORT TERM...TODAY...
ANALYSIS AND MODEL DATA NOW AGREE THAT THE MAIN WINTER PCPN EVENT
WILL HOLD OFF UNTIL VERY LATE AFTERNOON OR MORE LIKELY THIS
EVENING.  THIS TIMING ACTUALLY WOULD BE FOR THE ONSET IN THE
SOUTHWEST CORNER...AND WE WILL CONTINUE WITH HIGHER POPS SOUTHWEST
AND LOWER NORTHEAST THIS AFTERNOON. WE HAVE CANCELLED THE WINTER
STORM WATCH FOR TODAY...BUT HIGHLIGHTS CONTINUE FOR TONIGHT AND
TUESDAY. IN GENERAL...TODAY WILL SEE DRY WEATHER WILL OCCASIONAL
FLURRIES POSSIBLE...MAINLY IN THE FAR NORTH AND FAR SOUTH. FORCING
IS RATHER WEAK TODAY...AND MAY NOT RESULT IN ANY FLURRY ACTIVITY AT
ALL ELSEWHERE.  MODEL DATA ALLOWS FOR THE POSSIBILITY OF DRIZZLE OR
FREEZING DRIZZLE...PRIMARLY THIS MORNING.  TEMPERATURES TODAY WILL
BE RATHER STEADY...WITH A VERY MILD START AND AS WINDS INCREASE FROM
THE NORTHEAST...WE WILL TAP COLDER AIR WITH TIME.  BY LATE
AFTERNOON...READINGS MAY BEGIN TO FALL BACK INTO THE TEENS NORTH AND
UPPER 20S SOUTH.  ..ERVIN..

.LONG TERM...MONDAY NIGHT THROUGH SUNDAY...
BUSY MORNING COLABORATING HIGHLITES FOR WINTER STORM AND THUS
DISCUSSION ABREVIATED. OVERALL...LATEST MODELS A BIT SLOWER AND
ONSET WILL BE DELAYED TO AFTER 00Z. SNOW POTENTIAL LOOKS NEAR OR
PERHAPS A BIT LOWER THAN PREVIOUSLY THOUGHT. MAIN IMPACT WILL BE
BLOWING SNOW...WHICH RAISED THE BAR FOR ADVISORY VS WARNING. HIGHEST
SNOW POTENTIAL MAINLY ACROSS SOUTH CLOSER TO DEEPER MOISTURE AND
MOST PROLONGED ISENTROPIC LIFT. TRACK OF STRONG VORT CURRENTLY
MOVING ACROSS ID TO IMPACT AREA LATE TONIGHT WILL BE MAIN PLAYER FOR
PLACEMENT OF HEAVY SNOW AXIS ACROSS NORTH AND MORE UNCERTAIN ABOUT
SNOW AMOUNTS THERE. FOR NOW...HAVE GONE WITH WINTER STORM WARNING
FOR AREA SOUTH OF A LINE FROM PRINCETON IL THROUGH CLINTON TO
MARENGO...WITH A SNOW AND BLOWING SNOW ADVISORY TO NORTH.

&&

.DVN WATCHES/WARNINGS/ADVISORIES...
IA...WINTER STORM WARNING 6 PM TONIGHT UNTIL 6 PM TUESDAY AFTERNOON
SOUTH OF A LINE FROM MARENGO THROUGH IOWA CITY...TO CLINTON.
SNOW AND BLOWING SNOW ADVISORY NORTH OF SAME AXIS 6 PM TONIGHT UNTIL
6 PM TUESDAY.
IL...WINTER STORM WARNING 6 PM TONIGHT UNTIL 6 PM TUESDAY SOUTH OF A
LINE FROM QUAD CITIES TO PRINCETON.
SNOW AND BLOWING SNOW ADVISORY NORTH OF SAME AXIS 6 PM TONIGHT UNTIL
6 PM TUESDAY.
MO...WINTER STORM WARNING 6 PM THIS EVENING UNTIL 6 PM TUESDAY.

&&

ERVIN/SHEETS
Hazardous weather outlook, Feb 11, 5:00 AM CST, 22 hours 34 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
500 AM CST SUN FEB 11 2007

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-111100-
BENTON IA-BUCHANAN IA-BUREAU IL-CARROLL IL-CEDAR IA-CLARK MO-CLINTON
IA-DELAWARE IA-DES MOINES IA-DUBUQUE IA-HANCOCK IL-HENDERSON IL-HENRY
IA-HENRY IL-IOWA IA-JACKSON IA-JEFFERSON IA-JO DAVIESS IL-JOHNSON IA-
JONES IA-KEOKUK IA-LEE IA-LINN IA-LOUISA IA-MCDONOUGH IL-MERCER IL-
MUSCATINE IA-PUTNAM IL-ROCK ISLAND IL-SCOTLAND MO-SCOTT IA-
STEPHENSON IL-VAN BUREN IA-WARREN IL-WASHINGTON IA-WHITESIDE IL-
500 AM CST SUN FEB 11 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
LIGHT SNOW WILL DEVELOP THIS EVENING WITH OVERNIGHT ACCUMULATIONS
LIKELY MAINLY NORTH OF INTERSTATE 80. ACCUMULATIONS ARE EXPECTED TO
RANGE FROM LESS THAN AN INCH ALONG INTERSTATE 80...TO AS HIGH AS 2
TO 3 INCHES ALONG THE HIGHWAY 20 CORRIDOR FROM INDEPENDENCE TO
FREEPORT.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

A STRONG WINTER STORM WILL IMPACT THE AREA MONDAY AND TUESDAY...WITH
THE POTENTIAL FOR SNOW ACCUMULATIONS GREATER THAN 6 INCHES AND
WIDESPREAD BLOWING AND DRIFTING SNOW. A WINTER STORMS WATCH IS IN
EFFECT FOR LOCATIONS SOUTH OF A LINE FROM VINTON IOWA TO CLINTON
IOWA...TO STERLING ILLINOIS MONDAY MORNING THROUGH TUESDAY MORNING.
LOCATIONS NORTH OF THIS LINE CAN EXPECT LIGHT SNOW...WITH AREAS OF
BLOWING SNOW MONDAY AFTERNOON THROUGH TUESDAY. SOUTH OF THIS
LINE...PERIODS OF SNOW WILL DEVELOP DURING THE DAY MONDAY AND
CONTINUE THROUGH TUESDAY MORNING. SNOWFALL AMOUNTS OF 3 TO 7 INCHES
ARE LIKELY ACROSS EAST CENTRAL IOWA AND NORTHWEST ILLINOIS.  ALONG
AND SOUTH OF HIGHWAY 34 IN SOUTHEAST IOWA...WEST CENTRAL ILLINOIS
AND NORTHEAST MISSOURI SNOWFALL AMOUNTS ARE EXPECTED TO BE
HIGHER...WITH POTENTIALLY 6 TO 10 INCHES ACCUMULATING THROUGH
TUESDAY MORNING.  WINDS ARE EXPECTED TO INCREASE TO BETWEEN 20 AND
30 MPH BY MONDAY AFTERNOON AND CONTINUE THROUGH TUESDAY.  THE
COMBINATION OF FALLING SNOW AND BLOWING SNOW MAY CAUSE WHITEOUT
CONDITIONS AT TIMES MONDAY AFTERNOON THROUGH TUESDAY MORNING IN THE
WATCH AREA.

IN THE WAKE THE WINTER STORM...ANOTHER ROUND OF BITTERLY COLD
TEMPERATURES IS EXPECTED WITH THE POTENTIAL FOR DANGEROUSLY COLD
WIND CHILLS AT TIMES.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT...HOWEVER
SNOWFALL REPORTS WOULD BE APPRECIATED THROUGH TUESDAY.

SHEETS/ERVIN

In the hours before

Local storm report, Feb 11, 10:55 PM CST, 4 hours 39 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1055 PM CST SUN FEB 11 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1055 PM     SNOW             OLIN                    42.00N 91.14W
02/11/2007  M1.2 INCH        JONES              IA   TRAINED SPOTTER

            LIGHT SNOW CONTINUES

&&

BILLN
Local storm report, Feb 11, 11:14 PM CST, 4 hours 20 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1114 PM CST SUN FEB 11 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1055 PM     SNOW             LOWDEN                  41.86N 90.92W
02/11/2007  M1.0 INCH        CEDAR              IA   TRAINED SPOTTER

            SNOW HAS STOPPED.

&&

BILLN
Local storm report, Feb 12, 12:14 AM CST, 3 hours 20 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1214 AM CST MON FEB 12 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1205 AM     SNOW             DUBUQUE REGIONAL AIRPOR 42.40N 90.72W
02/12/2007  M1.5 INCH        DUBUQUE            IA   OFFICIAL NWS OBS

&&

DLS
Local storm report, Feb 12, 12:18 AM CST, 3 hours 16 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1218 AM CST MON FEB 12 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1205 AM     SNOW             PROPHETSTOWN            41.67N 89.93W
02/12/2007  M1.8 INCH        WHITESIDE          IL   TRAINED SPOTTER

&&

DLS
Local storm report, Feb 12, 12:54 AM CST, 2 hours 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1254 AM CST MON FEB 12 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1254 AM     SNOW             DEWITT                  41.82N 90.55W
02/12/2007  M2.0 INCH        CLINTON            IA   NWS EMPLOYEE

&&

ERVIN
Local storm report, Feb 12, 12:56 AM CST, 2 hours 38 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1256 AM CST MON FEB 12 2007

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1200 AM     SNOW             CORDOVA                 41.68N 90.32W
02/12/2007  M1.3 INCH        ROCK ISLAND        IL   TRAINED SPOTTER

&&

ERVIN

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 12, 3:34 AM CSTSnow and Blowing Snow AdvisoryDVNCarroll, Jo Daviess, Stephenson, Whiteside38 hr

Nearby

Winter Storm Warnings in Iowa, 2007Winter Storm Warnings in Illinois, 2007Winter Storm Warnings in Missouri, 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.