Alert archive / Iowa / Winter Storm Warnings in 2013

Winter Storm Warning 2, NWS Quad Cities, IA

February 20, 201318 counties in Iowa; Hancock County, Henderson County, McDonough County, Illinois; Clark County, Scotland County, Missouri

NWS Quad Cities, IA issued this winter storm warning at Feb 20, 2013, 3:17 PM CST for 18 counties in Iowa; Hancock County, Henderson County, McDonough County, Illinois; Clark County, Scotland County, Missouri. It took effect at Feb 21, 2013, 3:00 PM CST. It was in force for 24 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 20, 2013, 3:17 PM CST (21:17 UTC)
In effect from
Feb 21, 2013, 3:00 PM CST
Expired
Feb 22, 2013, 3:02 PM CST
In force
24 hr
Issued by
NWS Quad Cities, IA
All 23 counties

Benton County, IA, Buchanan County, IA, Cedar County, IA, Delaware County, IA, Des Moines County, IA, Dubuque County, IA, Henry County, IA, Iowa County, IA, Jefferson County, IA, Johnson County, IA, Jones County, IA, Keokuk County, IA, Lee County, IA, Linn County, IA, Louisa County, IA, Muscatine County, IA, Van Buren County, IA, Washington County, IA, Hancock County, IL, Henderson County, IL, McDonough County, IL, Clark County, MO, Scotland County, MO

The radar

The Quad Cities radar (KDVN), 83 km from the middle of the area, began a volume at 21:21 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 21, 3:11 PM CSTSNOW 0.81 Wnw Fort Madison, IAFROM 130 TO 3 PM
Feb 21, 3:17 PM CSTSNOW 1.51 Sse Macomb, ILMOD TO HVY SNOW OCCURRING
Feb 21, 3:52 PM CSTSNOW 2.53 Nne Downing, MOSTARTED AT NOON AND STILL SNOWING WITH VIS LESS THAN 1/2 MILE
Feb 21, 4:05 PM CSTSNOW 0.14 E What Cheer, IASTARTED AT 330 PM AND SEEING HEAVY SNOW FALLING NOW WITH VSBY UNDER 1/4 MILE.
Feb 21, 4:20 PM CSTSNOW 2Sw Macomb, ILVIA SOCIAL MEDIA
Feb 21, 4:45 PM CSTSNOW 0Williamsburg, IALIGHT SNOW JUST STARTED
Feb 21, 4:50 PM CSTSNOW 01 Ssw Belle Plaine, IALIGHT SNOW STARTED WITHIN THE LAST 10 MINUTES
Feb 21, 4:50 PM CSTSNOW 2Ne Good Hope, IL
Feb 21, 5:20 PM CSTSNOW 33 Nne Charlie Heath Mem, IASTILL MOD SNOW WITH VSBY 1/2 MILE
Feb 21, 5:34 PM CSTSNOW 1.81 Wnw Fort Madison, IA1 3/4 INCH OF SNOW SINCE 130PM AND STILL MOD SNOW WITH VSBY AROUND 1/2 MILE
Feb 21, 5:45 PM CSTSNOW 2S Burlington, IAVIA SOCIAL MEDIA
Feb 21, 6:00 PM CSTSNOW 1.52 Sw New London, IASTILL SNOWING AND INCREASING IN INTENSITY
Feb 21, 7:20 PM CSTSNOW 21 E Burlington, IASTILL SNOWING LIGHTLY
Feb 21, 7:30 PM CSTSNOW 2.81 Wnw Fort Madison, IADRIFTS OF 7 TO 8 INCHES AND STILL SNOWING
Feb 21, 7:36 PM CSTSNOW 51 Wsw Brock, MOSTILL SNOWING
Feb 21, 7:42 PM CSTSNOW 51 Ene Fort Madison, IASNOW HAS ENDED. LOTS OF DRIFTING.
Feb 21, 8:00 PM CSTSNOW 0.51 Se Vinton, IASNOW IS BLOWING SO MAY BE HIGHER
Feb 21, 8:00 PM CSTSNOW 4Macomb, ILSTORM TOTAL SO FAR...CURRENTLY NO SNOW FALLING
Feb 21, 8:00 PM CSTSNOW 4.52 Ne Colusa, ILSTILL SNOWING
Feb 21, 8:06 PM CSTSNOW 2.82 Wnw Burlington, IASTILL SNOWING
Feb 21, 8:30 PM CSTSNOW 2.5Sw Stronghurst, ILLIGHT SNOW STILL FALLING
Feb 21, 8:55 PM CSTSNOW 2.51 Wsw Iowa City, IABEGAN AT 515 PM AND STILL SNOWING
Feb 21, 9:00 PM CSTSNOW 4.5S Wellman, IASO FAR AND STILL SNOWING
Feb 21, 9:03 PM CSTSNOW 0.82 Nnw Marion, IASO FAR
Feb 21, 9:07 PM CSTSNOW 2North Liberty, IATOTAL FOR THE PAST 3.5 HOURS...DRIFTS TO 7 INCHES
Feb 21, 9:09 PM CSTSNOW 2.51 Ese Washington, IATOTAL SO FAR
Feb 21, 9:17 PM CSTSNOW 1.45 Nw Cedar Rapids, IASTILL SNOWING WITH 12-22 MPH WINDS
Feb 21, 9:27 PM CSTSNOW 4W Cantril, IASTILL SNOWING LIGHTLY
Feb 21, 9:30 PM CSTSNOW 4Ne Good Hope, ILCURRENTLY A LIGHT MIST
Feb 21, 9:36 PM CSTSNOW 4Macomb, ILSNOW GRAINS AT TIME OF OBSERVATION
Feb 21, 9:45 PM CSTSNOW 2Muscatine, IAIN PAST 4 HOURS VIA ESPOTTER
Feb 21, 9:45 PM CSTSNOW 5.84 Wsw Macomb, ILSTILL LIGHT SNOWING
Feb 21, 9:48 PM CSTSNOW 1.5Cedar Rapids, IAOVER PAST 3 HOURS VIA ESPOTTER
Feb 21, 9:50 PM CSTSNOW 2.71 Sse Cedar Rapids, IAMODERATE TO HEAVY SNOW STILL OCCURRING.
Feb 21, 10:10 PM CSTHEAVY SNOW 2.3E Solon, IA
Feb 21, 10:10 PM CSTSNOW 43 Nne Heath Memorial Co, IASNOW PELLETS AT TIME OF OBSERVATION. VISIBILITY AROUND 1/2 MILE.
Feb 21, 10:17 PM CSTSNOW 2.51 Nw Cedar Rapids, IA
Feb 21, 10:20 PM CSTSNOW 1.52 Ne Muscatine, IASTILL SNOWING
Feb 21, 10:28 PM CSTSNOW 48 Nw Burlington, IASO FAR.
Feb 21, 10:36 PM CSTSNOW 3North Liberty, IA
Feb 21, 11:01 PM CSTSNOW 32 W Cedar Rapids, IA
Feb 21, 11:20 PM CSTSNOW 5La Harpe, IL4 TO 5 INCHES OF SNOW...STILL SNOWING.
Feb 21, 11:30 PM CSTSNOW 3.8Iowa City, IAMEASURED IN DOWNTOWN IOWA CITY. STILL SNOWING.
Feb 22, 12:10 AM CSTSNOW 3.31 E Burlington, IALIGHT SNOW AT TIME OF REPORT
Feb 22, 12:15 AM CSTSNOW 4.36 Ne Cedar Rapids, IASTILL SNOWING.
Feb 22, 12:19 AM CSTSNOW 2.94 Wnw Dubuque, IASTILL SNOWING.
Feb 22, 12:25 AM CSTSNOW 4.11 S Muscatine, IASO FAR.
Feb 22, 1:07 AM CSTSNOW 2.32 Ne Muscatine, IACURRENTLY NOT SNOWING.
Feb 22, 1:14 AM CSTSNOW 51 S Anamosa, IASOME DRIFTING OCCURRING ACROSS THE ROAD.
Feb 22, 1:54 AM CSTSNOW 51 Sse Cedar Rapids, IATOTAL EVENT THROUGH 145 AM.
Feb 22, 2:40 AM CSTSNOW 4.83 Nnw Cedar Rapids, IAVERY LIGHT SNOW CONTINUES
Feb 22, 3:00 AM CSTSNOW 5Cedar Rapids, IAMEASURED AT KGAN TV STATION.
Feb 22, 3:00 AM CSTSNOW 5.52 Ne Cedar Rapids, IAMEASURED ON NORTHEAST SIDE OF CEDAR RAPIDS BY KCRG EMPLOYEE.
Feb 22, 3:44 AM CSTSNOW 3.5Edgewood, IAVERY LIGHT SNOW CONTINUES.
Feb 22, 4:28 AM CSTSNOW 5Wnw Parnell, IASTILL SNOWING.
Feb 22, 5:30 AM CSTSNOW 5.22 Ne Colusa, ILFLURRIES CONTINUE.
Feb 22, 5:42 AM CSTSNOW 62 Wnw Burlington, IACURRENTLY LIGHT SNOW IS FALLING.
Feb 22, 5:52 AM CSTSNOW 4.8S Aurora, IASTILL SNOWING.
Feb 22, 6:00 AM CSTSNOW 62 S Prairie City, IL
Feb 22, 6:35 AM CSTSNOW 3.34 Wnw Dubuque, IA

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 12:00Z, 9.3 hours before the alert went out and 89 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 12:00Z on 2013-02-20Temperature 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 12:00Z on 2013-02-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -93 square meters per square second.1939587897117Sfc1 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
834 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
-93 m²/s²
0-3 km storm-relative helicity
-26 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.

576 
WWUS43 KDVN 202117
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
317 PM CST WED FEB 20 2013

...WINTER STORM TO ARRIVE LATE THURSDAY AFTERNOON AND THURSDAY
NIGHT...

.LOW PRESSURE WILL TRACK OUT OF THE SOUTHERN PLAINS AND INTO THE
MIDWEST ON THURSDAY. MODERATE TO POSSIBLY HEAVY SNOW WILL DEVELOP
IN SOUTHEAST IOWA...NORTHEAST MISSOURI AND WESTERN ILLINOIS BY
LATE AFTERNOON ON THURSDAY. THE SNOW WILL THEN SPREAD INTO
NORTHEAST IOWA AND NORTHWEST ILLINOIS THURSDAY NIGHT WHILE
WEAKENING IN INTENSITY. THE SNOW WILL BECOME LIGHT LATER THURSDAY
NIGHT...WITH LIGHT SNOW LINGERING THROUGH FRIDAY BEFORE ENDING.
TOTAL ACCUMULATIONS OF 4 TO 7 INCHES CAN BE EXPECTED OVER MOST OF
THE AREA. EAST WINDS SHOULD INCREASE THURSDAY AFTERNOON INTO
THURSDAY EVENING AND WITH GUST TO AROUND 25 MPH. THIS WILL PRODUCE
SOME DRIFTING OF THE SNOW. THE WINDS ARE EXPECTED TO DECREASE
LATER THURSDAY NIGHT AND FRIDAY.

IAZ040>042-051>053-063>065-067-076>078-087>089-098-099-MOZ009-010-
210530-
/O.UPG.KDVN.WS.A.0003.130221T1800Z-130222T1500Z/
/O.NEW.KDVN.WS.W.0002.130221T2100Z-130222T2100Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-IOWA-JOHNSON-CEDAR-
MUSCATINE-KEOKUK-WASHINGTON-LOUISA-JEFFERSON-HENRY IA-DES MOINES-
VAN BUREN-LEE-SCOTLAND-CLARK-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MARENGO...IOWA CITY...TIPTON...
MUSCATINE...SIGOURNEY...WASHINGTON...WAPELLO...FAIRFIELD...
MOUNT PLEASANT...BURLINGTON...KEOSAUQUA....FORT MADISON...
MEMPHIS...KAHOKA
317 PM CST WED FEB 20 2013

...WINTER STORM WARNING IN EFFECT FROM 3 PM THURSDAY TO 3 PM CST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 3 PM THURSDAY
TO 3 PM CST FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT.

* TIMING...SNOW DEVELOPING IN NORTHEAST MISSOURI...SOUTHEAST 
  IOWA AND WESTERN ILLINOIS BY LATE AFTERNOON THURSDAY. THE SNOW 
  WILL THEN SPREAD NORTHEAST OVER THE REMAINDER OF THE AREA 
  THURSDAY NIGHT. OCCASIONAL LIGHT SNOW WILL LINGER INTO FRIDAY.

* SNOW ACCUMULATIONS...6 TO 7 INCHES...ISOLATED 8 INCHES POSSIBLE.

* WINDS...EAST 10 TO 20 MPH WITH GUSTS TO AROUND 25 MPH.

* VISIBILITIES...LESS THAN A MILE IN THE HEAVIER SNOW.

* TEMPERATURES...IN THE MID 20S.

* IMPACTS...CONDITIONS WILL DETERIORATE RAPIDLY ONCE THE SNOW 
  BEGINS. TRAVEL WILL BECOME HAZARDOUS DUE TO POOR VISIBILITY 
  AND ROADS BECOMING QUICKLY SNOW COVERED AND ICY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS 6 TO 7 INCHES OR MORE
OF SNOW IS EXPECTED. THIS WILL MAKE TRAVEL VERY DANGEROUS OR
IMPOSSIBLE...SO ONLY TRAVEL IN AN EMERGENCY AND TAKE YOUR WINTER
SURVIVAL KIT.

&&

$$

IAZ054-066-068-ILZ009-015>018-024>026-034-035-210530-
/O.UPG.KDVN.WS.A.0003.130221T1800Z-130222T1500Z/
/O.NEW.KDVN.WW.Y.0003.130222T0000Z-130222T2100Z/
JACKSON-CLINTON-SCOTT-WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-
PUTNAM-MERCER-HENDERSON-WARREN-HANCOCK-MCDONOUGH-
INCLUDING THE CITIES OF...MAQUOKETA...CLINTON...BETTENDORF...
DAVENPORT...STERLING...ROCK FALLS...MOLINE...ROCK ISLAND...
KEWANEE...PRINCETON...HENNEPIN...ALEDO...OQUAWKA...MONMOUTH...
CARTHAGE...MACOMB
317 PM CST WED FEB 20 2013

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THURSDAY TO 3 PM
CST FRIDAY...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WINTER
WEATHER ADVISORY FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 6 PM
THURSDAY TO 3 PM CST FRIDAY. THE WINTER STORM WATCH IS NO LONGER
IN EFFECT.

* TIMING...SNOW DEVELOPING IN NORTHEAST MISSOURI...SOUTHEAST 
  IOWA AND WESTERN ILLINOIS BY LATE AFTERNOON THURSDAY. THE SNOW 
  WILL THEN SPREAD NORTHEAST OVER THE REMAINDER OF THE AREA 
  THURSDAY NIGHT. OCCASIONAL LIGHT SNOW WILL LINGER INTO FRIDAY.

* SNOW ACCUMULATIONS...4 TO 5 INCHES...ISOLATED 6 INCHES POSSIBLE.

* WINDS...EAST 10 TO 20 MPH WITH GUSTS TO AROUND 25 MPH.

* VISIBILITIES...LESS THAN A MILE IN THE HEAVIER SNOW.

* TEMPERATURES...IN THE MID 20S.

* IMPACTS...CONDITIONS WILL DETERIORATE RAPIDLY ONCE THE SNOW 
  BEGINS. TRAVEL WILL BECOME HAZARDOUS DUE TO POOR VISIBILITY 
  AND ROADS BECOMING QUICKLY SNOW COVERED AND ICY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL
CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLICK...SNOW COVERED
ROADS AND LIMITED VISIBILITIES...AND BE CAREFUL WHILE DRIVING.

&&

$$

ILZ001-002-007-210530-
/O.NEW.KDVN.WW.Y.0003.130222T0000Z-130222T2100Z/
JO DAVIESS-STEPHENSON-CARROLL-
INCLUDING THE CITIES OF...GALENA...FREEPORT...MOUNT CARROLL
317 PM CST WED FEB 20 2013

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THURSDAY TO 3 PM
CST FRIDAY...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WINTER
WEATHER ADVISORY FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 6 PM
THURSDAY TO 3 PM CST FRIDAY. THE WINTER STORM WATCH IS NO LONGER
IN EFFECT.

* TIMING...SNOW DEVELOPING IN NORTHEAST MISSOURI...SOUTHEAST 
  IOWA AND WESTERN ILLINOIS BY LATE AFTERNOON THURSDAY. THE SNOW 
  WILL THEN SPREAD NORTHEAST OVER THE REMAINDER OF THE AREA 
  THURSDAY NIGHT. OCCASIONAL LIGHT SNOW WILL LINGER INTO FRIDAY.

* SNOW ACCUMULATIONS...4 TO 5 INCHES...ISOLATED 6 INCHES POSSIBLE.

* WINDS...EAST 10 TO 20 MPH WITH GUSTS TO AROUND 25 MPH.

* VISIBILITIES...LESS THAN A MILE IN THE HEAVIER SNOW.

* TEMPERATURES...IN THE MID 20S.

* IMPACTS...CONDITIONS WILL DETERIORATE RAPIDLY ONCE THE SNOW 
  BEGINS. TRAVEL WILL BECOME HAZARDOUS DUE TO POOR VISIBILITY 
  AND ROADS BECOMING QUICKLY SNOW COVERED AND ICY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL
CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLICK...SNOW COVERED
ROADS AND LIMITED VISIBILITIES...AND BE CAREFUL WHILE DRIVING.

&&

$$

NICHOLS
9 follow-up statements
659 
WWUS43 KDVN 210246
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
846 PM CST WED FEB 20 2013

...WINTER STORM TO ARRIVE LATE THURSDAY AFTERNOON AND THURSDAY
NIGHT...

.LOW PRESSURE WILL TRACK OUT OF THE SOUTHERN PLAINS AND INTO THE
MIDWEST ON THURSDAY. MODERATE TO POSSIBLY HEAVY SNOW WILL DEVELOP
IN SOUTHEAST IOWA...NORTHEAST MISSOURI AND WESTERN ILLINOIS BY
LATE AFTERNOON ON THURSDAY. THE SNOW WILL THEN SPREAD INTO
NORTHEAST IOWA AND NORTHWEST ILLINOIS THURSDAY NIGHT WHILE
WEAKENING IN INTENSITY. THE SNOW WILL BECOME LIGHT LATER THURSDAY
NIGHT...WITH LIGHT SNOW LINGERING THROUGH FRIDAY BEFORE ENDING.
TOTAL ACCUMULATIONS OF 4 TO 7 INCHES CAN BE EXPECTED OVER MOST OF
THE AREA. EAST WINDS SHOULD INCREASE THURSDAY AFTERNOON INTO
THURSDAY EVENING AND WITH GUST TO AROUND 25 MPH. THIS WILL
PRODUCE SOME DRIFTING OF THE SNOW. THE WINDS ARE EXPECTED TO
DECREASE LATER THURSDAY NIGHT AND FRIDAY.

IAZ040>042-051>053-063>065-067-076>078-087>089-098-099-MOZ009-010-
211100-
/O.CON.KDVN.WS.W.0002.130221T2100Z-130222T2100Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-IOWA-JOHNSON-CEDAR-
MUSCATINE-KEOKUK-WASHINGTON-LOUISA-JEFFERSON-HENRY IA-DES MOINES-
VAN BUREN-LEE-SCOTLAND-CLARK-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MARENGO...IOWA CITY...TIPTON...
MUSCATINE...SIGOURNEY...WASHINGTON...WAPELLO...FAIRFIELD...
MOUNT PLEASANT...BURLINGTON...KEOSAUQUA....FORT MADISON...
MEMPHIS...KAHOKA
846 PM CST WED FEB 20 2013

...WINTER STORM WARNING REMAINS IN EFFECT FROM 3 PM THURSDAY TO
3 PM CST FRIDAY...

* TIMING...SNOW DEVELOPING IN NORTHEAST MISSOURI...SOUTHEAST 
  IOWA AND WESTERN ILLINOIS BY LATE AFTERNOON THURSDAY. THE SNOW 
  WILL THEN SPREAD NORTHEAST OVER THE REMAINDER OF THE AREA 
  THURSDAY NIGHT. OCCASIONAL LIGHT SNOW WILL LINGER INTO FRIDAY.

* SNOW ACCUMULATIONS...6 TO 7 INCHES...ISOLATED 8 INCHES 
  POSSIBLE.

* WINDS...EAST 10 TO 20 MPH WITH GUSTS TO AROUND 25 MPH.

* VISIBILITIES...LESS THAN A MILE IN THE HEAVIER SNOW.

* TEMPERATURES...IN THE MID 20S.

* IMPACTS...CONDITIONS WILL DETERIORATE RAPIDLY ONCE THE SNOW 
  BEGINS. TRAVEL WILL BECOME HAZARDOUS DUE TO POOR VISIBILITY 
  AND ROADS BECOMING QUICKLY SNOW COVERED AND ICY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS 6 TO 7 INCHES OR MORE
OF SNOW IS EXPECTED. THIS WILL MAKE TRAVEL VERY DANGEROUS OR
IMPOSSIBLE...SO ONLY TRAVEL IN AN EMERGENCY AND TAKE YOUR WINTER
SURVIVAL KIT.

&&

$$

IAZ054-066-068-ILZ001-002-007-009-015>018-024>026-034-035-211100-
/O.CON.KDVN.WW.Y.0003.130222T0000Z-130222T2100Z/
JACKSON-CLINTON-SCOTT-JO DAVIESS-STEPHENSON-CARROLL-WHITESIDE-
ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-HENDERSON-WARREN-
HANCOCK-MCDONOUGH-
INCLUDING THE CITIES OF...MAQUOKETA...CLINTON...BETTENDORF...
DAVENPORT...GALENA...FREEPORT...MOUNT CARROLL...STERLING...
ROCK FALLS...MOLINE...ROCK ISLAND...KEWANEE...PRINCETON...
HENNEPIN...ALEDO...OQUAWKA...MONMOUTH...CARTHAGE...MACOMB
846 PM CST WED FEB 20 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THURSDAY
TO 3 PM CST FRIDAY...

* TIMING...SNOW DEVELOPING IN NORTHEAST MISSOURI...SOUTHEAST 
  IOWA AND WESTERN ILLINOIS BY LATE AFTERNOON THURSDAY. THE SNOW 
  WILL THEN SPREAD NORTHEAST OVER THE REMAINDER OF THE AREA 
  THURSDAY NIGHT. OCCASIONAL LIGHT SNOW WILL LINGER INTO FRIDAY.

* SNOW ACCUMULATIONS...4 TO 5 INCHES...ISOLATED 6 INCHES 
  POSSIBLE.

* WINDS...EAST 10 TO 20 MPH WITH GUSTS TO AROUND 25 MPH.

* VISIBILITIES...LESS THAN A MILE IN THE HEAVIER SNOW.

* TEMPERATURES...IN THE MID 20S.

* IMPACTS...CONDITIONS WILL DETERIORATE RAPIDLY ONCE THE SNOW 
  BEGINS. TRAVEL WILL BECOME HAZARDOUS DUE TO POOR VISIBILITY 
  AND ROADS BECOMING QUICKLY SNOW COVERED AND ICY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLICK...SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND BE CAREFUL WHILE
DRIVING.

&&

$$
527 
WWUS43 KDVN 211000
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
400 AM CST THU FEB 21 2013

...WINTER STORM TO ARRIVE BY LATE THIS AFTERNOON AND TONIGHT...

.LOW PRESSURE WILL TRACK OUT OF THE SOUTHERN PLAINS AND INTO THE
MIDWEST ON TODAY. MODERATE TO POSSIBLY HEAVY SNOW WILL DEVELOP
IN SOUTHEAST IOWA...NORTHEAST MISSOURI AND WESTERN ILLINOIS BY
MID TO LATE AFTERNOON. THE SNOW WILL THEN SPREAD INTO NORTHEAST
IOWA AND NORTHWEST ILLINOIS THURSDAY NIGHT WHILE WEAKENING IN
INTENSITY. THE SNOW WILL BECOME LIGHT LATER THURSDAY NIGHT...WITH
LIGHT SNOW LINGERING THROUGH FRIDAY BEFORE ENDING. TOTAL
ACCUMULATIONS OF 4 TO 7 INCHES CAN BE EXPECTED OVER MOST OF THE
AREA. EAST WINDS SHOULD INCREASE THIS AFTERNOON AND EVENING
AND GUST TO AROUND 30 MPH. THIS WILL PRODUCE SOME BLOWING AND 
DRIFTING OF THE SNOW. THE WINDS ARE EXPECTED TO DECREASE LATER
TONIGHT AND FRIDAY.

ILZ025-034-211800-
/O.UPG.KDVN.WW.Y.0003.130222T0000Z-130222T2100Z/
/O.EXA.KDVN.WS.W.0002.130221T2100Z-130222T2100Z/
HENDERSON-HANCOCK-
INCLUDING THE CITIES OF...OQUAWKA...CARTHAGE
400 AM CST THU FEB 21 2013

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

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 3 PM THIS
AFTERNOON TO 3 PM CST FRIDAY. THE WINTER WEATHER ADVISORY IS NO
LONGER IN EFFECT.

* TIMING...SNOW WILL DEVELOP IN NORTHEAST MISSOURI...SOUTHEAST
  IOWA AND WESTERN ILLINOIS MID TO LATE AFTERNOON. THE SNOW WILL
  THEN SPREAD NORTHEAST OVER THE REMAINDER OF THE AREA EARLY THIS
  EVENING. OCCASIONAL LIGHT SNOW WILL LINGER INTO FRIDAY.

* SNOW ACCUMULATIONS...5 TO 7 INCHES...ISOLATED 8 INCHES POSSIBLE.

* WINDS...EAST 10 TO 20 MPH WITH GUSTS TO NEAR 30 MPH PRODUCING
  SOME BLOWING AND DRIFTING SNOW THIS EVENING. THE WINDS WILL
  DIMINISH OVERNIGHT INTO FRIDAY.

* VISIBILITIES...LESS THAN A MILE IN THE HEAVIER SNOW.

* TEMPERATURES...IN THE MID 20S.

* IMPACTS...CONDITIONS WILL DETERIORATE RAPIDLY ONCE THE SNOW 
  BEGINS. TRAVEL WILL BECOME HAZARDOUS DUE TO POOR VISIBILITY 
  AND ROADS BECOMING QUICKLY SNOW COVERED AND ICY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS 6 TO 7 INCHES OR MORE
OF SNOW IS EXPECTED. THIS WILL MAKE TRAVEL VERY DANGEROUS OR
IMPOSSIBLE...SO ONLY TRAVEL IN AN EMERGENCY AND TAKE YOUR WINTER
SURVIVAL KIT.

&&

$$

IAZ040>042-051>053-211800-
/O.EXT.KDVN.WS.W.0002.130222T0000Z-130222T2100Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA
400 AM CST THU FEB 21 2013

...WINTER STORM WARNING NOW IN EFFECT FROM 6 PM THIS EVENING TO
3 PM CST FRIDAY...

* TIMING...SNOW WILL DEVELOP IN NORTHEAST MISSOURI...SOUTHEAST
  IOWA AND WESTERN ILLINOIS MID TO LATE AFTERNOON. THE SNOW WILL
  THEN SPREAD NORTHEAST OVER THE REMAINDER OF THE AREA EARLY THIS
  EVENING. OCCASIONAL LIGHT SNOW WILL LINGER INTO FRIDAY.

* SNOW ACCUMULATIONS...6 TO 7 INCHES...ISOLATED 8 INCHES 
  POSSIBLE.

* WINDS...EAST 10 TO 20 MPH WITH GUSTS TO NEAR 30 MPH PRODUCING
  SOME BLOWING AND DRIFTING SNOW THIS EVENING INTO THE OVERNIGHT.
  THE WINDS WILL DIMINISH BY EARLY FRIDAY MORNING.

* VISIBILITIES...LESS THAN A MILE IN THE HEAVIER SNOW.

* TEMPERATURES...IN THE MID 20S.

* IMPACTS...CONDITIONS WILL DETERIORATE RAPIDLY ONCE THE SNOW 
  BEGINS. TRAVEL WILL BECOME HAZARDOUS DUE TO POOR VISIBILITY 
  AND ROADS BECOMING QUICKLY SNOW COVERED AND ICY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS 6 TO 7 INCHES OR MORE
OF SNOW IS EXPECTED. THIS WILL MAKE TRAVEL VERY DANGEROUS OR
IMPOSSIBLE...SO ONLY TRAVEL IN AN EMERGENCY AND TAKE YOUR WINTER
SURVIVAL KIT.

&&

$$

IAZ063>065-067-076>078-087>089-098-099-MOZ009-010-211800-
/O.CON.KDVN.WS.W.0002.130221T2100Z-130222T2100Z/
IOWA-JOHNSON-CEDAR-MUSCATINE-KEOKUK-WASHINGTON-LOUISA-JEFFERSON-
HENRY IA-DES MOINES-VAN BUREN-LEE-SCOTLAND-CLARK-
INCLUDING THE CITIES OF...MARENGO...IOWA CITY...TIPTON...
MUSCATINE...SIGOURNEY...WASHINGTON...WAPELLO...FAIRFIELD...
MOUNT PLEASANT...BURLINGTON...KEOSAUQUA....FORT MADISON...
MEMPHIS...KAHOKA
400 AM CST THU FEB 21 2013

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

* TIMING...SNOW WILL DEVELOP IN NORTHEAST MISSOURI...SOUTHEAST
  IOWA AND WESTERN ILLINOIS MID TO LATE AFTERNOON. THE SNOW WILL
  THEN SPREAD NORTHEAST OVER THE REMAINDER OF THE AREA EARLY THIS
  EVENING. OCCASIONAL LIGHT SNOW WILL LINGER INTO FRIDAY.

* SNOW ACCUMULATIONS...6 TO 7 INCHES...ISOLATED 8 INCHES 
  POSSIBLE.

* WINDS...EAST 10 TO 20 MPH WITH GUSTS TO NEAR 30 MPH PRODUCING
  SOME BLOWING AND DRIFTING SNOW THIS EVENING. THE WINDS WILL
  DIMINISH OVERNIGHT INTO FRIDAY.

* VISIBILITIES...LESS THAN A MILE IN THE HEAVIER SNOW.

* TEMPERATURES...IN THE MID 20S.

* IMPACTS...CONDITIONS WILL DETERIORATE RAPIDLY ONCE THE SNOW 
  BEGINS. TRAVEL WILL BECOME HAZARDOUS DUE TO POOR VISIBILITY 
  AND ROADS BECOMING QUICKLY SNOW COVERED AND ICY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS 6 TO 7 INCHES OR MORE
OF SNOW IS EXPECTED. THIS WILL MAKE TRAVEL VERY DANGEROUS OR
IMPOSSIBLE...SO ONLY TRAVEL IN AN EMERGENCY AND TAKE YOUR WINTER
SURVIVAL KIT.

&&

$$

ILZ026-035-211800-
/O.EXT.KDVN.WW.Y.0003.130221T2100Z-130222T2100Z/
WARREN-MCDONOUGH-
INCLUDING THE CITIES OF...MONMOUTH...MACOMB
400 AM CST THU FEB 21 2013

...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 3 PM THIS AFTERNOON
TO 3 PM CST FRIDAY...

* TIMING...SNOW WILL DEVELOP IN NORTHEAST MISSOURI...SOUTHEAST
  IOWA AND WESTERN ILLINOIS MID TO LATE AFTERNOON. THE SNOW WILL
  THEN SPREAD NORTHEAST OVER THE REMAINDER OF THE AREA EARLY THIS
  EVENING. OCCASIONAL LIGHT SNOW WILL LINGER INTO FRIDAY.

* SNOW ACCUMULATIONS...4 TO 5 INCHES...ISOLATED 6 INCHES 
  POSSIBLE.

* WINDS...EAST 10 TO 20 MPH WITH GUSTS TO NEAR 30 MPH PRODUCING
  SOME BLOWING AND DRIFTING SNOW THIS EVENING. THE WINDS WILL
  DIMINISH OVERNIGHT INTO FRIDAY.

* VISIBILITIES...LESS THAN A MILE IN THE HEAVIER SNOW.

* TEMPERATURES...IN THE MID 20S.

* IMPACTS...CONDITIONS WILL DETERIORATE RAPIDLY ONCE THE SNOW 
  BEGINS. TRAVEL WILL BECOME HAZARDOUS DUE TO POOR VISIBILITY 
  AND ROADS BECOMING QUICKLY SNOW COVERED AND ICY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLICK...SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND BE CAREFUL WHILE
DRIVING.

&&

$$

IAZ054-066-068-ILZ001-002-007-009-015>018-024-211800-
/O.CON.KDVN.WW.Y.0003.130222T0000Z-130222T2100Z/
JACKSON-CLINTON-SCOTT-JO DAVIESS-STEPHENSON-CARROLL-WHITESIDE-
ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-
INCLUDING THE CITIES OF...MAQUOKETA...CLINTON...BETTENDORF...
DAVENPORT...GALENA...FREEPORT...MOUNT CARROLL...STERLING...
ROCK FALLS...MOLINE...ROCK ISLAND...KEWANEE...PRINCETON...
HENNEPIN...ALEDO
400 AM CST THU FEB 21 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS
EVENING TO 3 PM CST FRIDAY...

* TIMING...SNOW WILL DEVELOP IN NORTHEAST MISSOURI...SOUTHEAST
  IOWA AND WESTERN ILLINOIS MID TO LATE AFTERNOON. THE SNOW WILL
  THEN SPREAD NORTHEAST OVER THE REMAINDER OF THE AREA THIS
  EVENING. OCCASIONAL LIGHT SNOW WILL LINGER INTO FRIDAY.

* SNOW ACCUMULATIONS...4 TO 5 INCHES...ISOLATED 6 INCHES 
  POSSIBLE.

* WINDS...EAST 10 TO 20 MPH WITH GUSTS TO NEAR 30 MPH PRODUCING
  SOME BLOWING AND DRIFTING SNOW THIS EVENING INTO THE OVERNIGHT.
  THE WINDS WILL DIMINISH BY EARLY FRIDAY MORNING.

* VISIBILITIES...LESS THAN A MILE IN THE HEAVIER SNOW.

* TEMPERATURES...IN THE MID 20S.

* IMPACTS...CONDITIONS WILL DETERIORATE RAPIDLY ONCE THE SNOW 
  BEGINS. TRAVEL WILL BECOME HAZARDOUS DUE TO POOR VISIBILITY 
  AND ROADS BECOMING QUICKLY SNOW COVERED AND ICY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLICK...SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND BE CAREFUL WHILE
DRIVING.

&&

$$
630 
WWUS43 KDVN 211611
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1011 AM CST THU FEB 21 2013

...WINTER STORM TO ARRIVE BY LATE THIS AFTERNOON AND TONIGHT...

.LOW PRESSURE WILL TRACK OUT OF THE SOUTHERN PLAINS ACROSS
MISSOURI INTO ILLINOIS TODAY AND TONIGHT. MODERATE TO HEAVY SNOW
WILL DEVELOP IN SOUTHEAST IOWA...NORTHEAST MISSOURI AND WESTERN
ILLINOIS FROM MID AFTERNOON INTO THIS EVENING. THE SNOW WILL
BECOME LIGHT LATE TONIGHT...WITH LIGHT SNOW LINGERING THROUGH
FRIDAY. TOTAL ACCUMULATIONS OF 4 TO 7 INCHES CAN BE EXPECTED OVER
MOST OF THE AREA. EAST WINDS SHOULD INCREASE THIS AFTERNOON AND
EVENING AND GUST TO AROUND 30 MPH. THIS WILL PRODUCE SOME BLOWING
AND DRIFTING OF THE SNOW. THE WINDS ARE EXPECTED TO DECREASE LATER
TONIGHT AND FRIDAY.

IAZ063>065-067-220015-
/O.EXT.KDVN.WS.W.0002.130222T0000Z-130222T2100Z/
IOWA-JOHNSON-CEDAR-MUSCATINE-
INCLUDING THE CITIES OF...MARENGO...IOWA CITY...TIPTON...
MUSCATINE
1011 AM CST THU FEB 21 2013

...WINTER STORM WARNING NOW IN EFFECT FROM 6 PM THIS EVENING TO
3 PM CST FRIDAY...

* TIMING...SNOW WILL DEVELOP BETWEEN 5 PM AND 6 PM THIS EVENING
  AND CONTINUE OVERNIGHT. THE HEAVIEST SNOWFALL RATES WILL BE
  BETWEEN 6 PM AND 10 PM. THE SNOW WILL BECOME LIGHT AFTER 3 AM. 

* SNOW ACCUMULATIONS...SNOWFALL TOTALS OF 6 TO 7 INCHES EXPECTED.
  ISOLATED 8 INCH TOTALS POSSIBLE. 

* WINDS...EAST 10 TO 20 MPH WITH GUSTS TO NEAR 30 MPH PRODUCING
  BLOWING AND DRIFTING SNOW THIS EVENING. WINDS WILL DIMINISH
  OVERNIGHT INTO FRIDAY. 

* VISIBILITIES...LESS THAN A QUARTER MILE AT TIMES IN HEAVIER SNOW
  THIS EVENING. 

* TEMPERATURES...IN THE MID 20S.

* IMPACTS...CONDITIONS WILL DETERIORATE RAPIDLY ONCE THE SNOW
  BEGINS THIS EVENING. TRAVEL WILL BECOME HAZARDOUS DUE TO POOR
  VISIBILITY AND ROADS BECOMING QUICKLY SNOW COVERED AND ICY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS 6 TO 7 INCHES OR MORE
OF SNOW IS EXPECTED. THIS WILL MAKE TRAVEL VERY DANGEROUS OR
IMPOSSIBLE...SO ONLY TRAVEL IN AN EMERGENCY AND TAKE YOUR WINTER
SURVIVAL KIT.

&&

$$

IAZ076>078-087>089-098-099-ILZ025-034-MOZ009-010-220015-
/O.CON.KDVN.WS.W.0002.130221T2100Z-130222T2100Z/
KEOKUK-WASHINGTON-LOUISA-JEFFERSON-HENRY IA-DES MOINES-VAN BUREN-
LEE-HENDERSON-HANCOCK-SCOTLAND-CLARK-
INCLUDING THE CITIES OF...SIGOURNEY...WASHINGTON...WAPELLO...
FAIRFIELD...MOUNT PLEASANT...BURLINGTON...KEOSAUQUA....
FORT MADISON...OQUAWKA...CARTHAGE...MEMPHIS...KAHOKA
1011 AM CST THU FEB 21 2013

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

* TIMING...SNOW WILL SPREAD NORTH ACROSS NORTHEAST MISSOURI...
  SOUTHEAST IOWA AND WESTERN ILLINOIS FROM MID TO LATE AFTERNOON.
  THE HEAVIEST SNOWFALL RATES WILL BE BETWEEN 6 PM AND 10 PM. SNOW
  WILL BECOME LIGHT AFTER MIDNIGHT. 

* SNOW ACCUMULATIONS...TOTALS OF 6 TO 7 INCHES. ISOLATED 8 INCHES.

* WINDS...EAST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH PRODUCING SOME
  BLOWING AND DRIFTING SNOW THIS EVENING. WINDS WILL DIMINISH
  OVERNIGHT INTO FRIDAY.

* VISIBILITIES...LESS THAN A QUARTER MILE AT TIMES THIS EVENING. 

* TEMPERATURES...IN THE MID 20S.

* IMPACTS...CONDITIONS WILL DETERIORATE RAPIDLY ONCE THE SNOW
  BEGINS. TRAVEL WILL BECOME HAZARDOUS DUE TO POOR VISIBILITY AND
  ROADS BECOMING QUICKLY SNOW COVERED AND ICY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS 6 TO 7 INCHES OR MORE
OF SNOW IS EXPECTED. THIS WILL MAKE TRAVEL VERY DANGEROUS OR
IMPOSSIBLE...SO ONLY TRAVEL IN AN EMERGENCY AND TAKE YOUR WINTER
SURVIVAL KIT.

&&

$$

IAZ040>042-051>053-220015-
/O.CON.KDVN.WS.W.0002.130222T0000Z-130222T2100Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA
1011 AM CST THU FEB 21 2013

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 3 PM CST FRIDAY...

* TIMING...SNOW WILL DEVELOP BETWEEN 6 PM AND 8 PM THIS EVENING
  AND CONTINUE OVERNIGHT. THE HEAVIEST SNOWFALL RATES WILL BE
  BETWEEN 8 PM AND MIDNIGHT. THE SNOW WILL BECOME LIGHT AFTER 5 AM.

* SNOW ACCUMULATIONS...TOTALS OF 6 TO 7 INCHES...ISOLATED 8 INCHES
  POSSIBLE.

* WINDS...EAST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH PRODUCING SOME
  BLOWING AND DRIFTING SNOW THIS EVENING AND OVERNIGHT. WINDS WILL
  DIMINISH EARLY FRIDAY MORNING. 

* VISIBILITIES...LESS THAN A QUARTER MILE AT TIMES IN HEAVIER SNOW
  THIS EVENING.

* TEMPERATURES...IN THE MID 20S.

* IMPACTS...CONDITIONS WILL DETERIORATE RAPIDLY ONCE THE SNOW
  BEGINS THIS EVENING. TRAVEL WILL BECOME HAZARDOUS DUE TO POOR
  VISIBILITY AND ROADS BECOMING QUICKLY SNOW COVERED AND ICY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS 6 TO 7 INCHES OR MORE
OF SNOW IS EXPECTED. THIS WILL MAKE TRAVEL VERY DANGEROUS OR
IMPOSSIBLE...SO ONLY TRAVEL IN AN EMERGENCY AND TAKE YOUR WINTER
SURVIVAL KIT.

&&

$$

ILZ026-035-220015-
/O.CON.KDVN.WW.Y.0003.130221T2100Z-130222T2100Z/
WARREN-MCDONOUGH-
INCLUDING THE CITIES OF...MONMOUTH...MACOMB
1011 AM CST THU FEB 21 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 PM THIS
AFTERNOON TO 3 PM CST FRIDAY...

* TIMING...SNOW WILL DEVELOP BETWEEN 3 PM AND 6 PM. SNOWFALL RATES
  MAY BE HEAVY AT TIMES EARLY THIS EVENING. SNOW WILL BECOME LIGHT
  AFTER MIDNIGHT.

* SNOW ACCUMULATIONS...TOTALS OF 4 TO 6 INCHES.

* WINDS...EAST 10 TO 20 MPH WITH GUSTS TO NEAR 30 MPH PRODUCING
  SOME BLOWING AND DRIFTING SNOW THIS EVENING. THE WINDS WILL
  DIMINISH OVERNIGHT INTO FRIDAY.

* VISIBILITIES...LESS THAN A QUARTER MILE IN HEAVIER SNOW THIS
  EVENING. 

* TEMPERATURES...IN THE MID 20S.

* IMPACTS...CONDITIONS WILL DETERIORATE RAPIDLY ONCE THE SNOW 
  BEGINS. TRAVEL WILL BECOME HAZARDOUS DUE TO POOR VISIBILITY 
  AND ROADS BECOMING QUICKLY SNOW COVERED AND ICY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLICK...SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND BE CAREFUL WHILE
DRIVING.

&&

$$

IAZ054-066-068-ILZ001-002-007-009-015>018-024-220015-
/O.CON.KDVN.WW.Y.0003.130222T0000Z-130222T2100Z/
JACKSON-CLINTON-SCOTT-JO DAVIESS-STEPHENSON-CARROLL-WHITESIDE-
ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-
INCLUDING THE CITIES OF...MAQUOKETA...CLINTON...BETTENDORF...
DAVENPORT...GALENA...FREEPORT...MOUNT CARROLL...STERLING...
ROCK FALLS...MOLINE...ROCK ISLAND...KEWANEE...PRINCETON...
HENNEPIN...ALEDO
1011 AM CST THU FEB 21 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS
EVENING TO 3 PM CST FRIDAY...

* TIMING...SNOW WILL DEVELOP AROUND 5 PM TO 6 PM ALONG THE
  INTERSTATE 80 CORRIDOR...SPREADING NORTH ACROSS ALL OF EASTERN
  IOWA AND NORTHWEST ILLINOIS BETWEEN 6 AND 8 PM. THE SNOW WILL MAY
  BE HEAVY AT TIMES THIS EVENING. OCCASIONAL LIGHT SNOW WILL
  LINGER INTO FRIDAY.

* SNOW ACCUMULATIONS...TOTALS OF 4 TO 5 INCHES...ISOLATED 6
  INCHES.

* WINDS...EAST 10 TO 20 MPH WITH GUSTS TO NEAR 30 MPH PRODUCING
  SOME BLOWING AND DRIFTING SNOW THIS EVENING INTO THE OVERNIGHT.
  THE WINDS WILL DIMINISH BY EARLY FRIDAY MORNING.

* VISIBILITIES...LESS THAN A HALF MILE AT TIMES THIS EVENING. 

* TEMPERATURES...IN THE MID 20S.

* IMPACTS...CONDITIONS WILL DETERIORATE RAPIDLY ONCE THE SNOW
  BEGINS. TRAVEL WILL BECOME HAZARDOUS DUE TO POOR VISIBILITY AND
  ROADS BECOMING QUICKLY SNOW COVERED AND ICY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLICK...SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND BE CAREFUL WHILE
DRIVING.

&&

$$

SHEETS
722 
WWUS43 KDVN 212155
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
355 PM CST THU FEB 21 2013

...WINTER STORM TO BRING HEAVY SNOW ACROSS THE AREA TONIGHT AND
EARLY FRIDAY...

.LOW PRESSURE WILL TRACK OUT OF THE SOUTHERN PLAINS ACROSS
MISSOURI AND NORTHERN ILLINOIS TONIGHT AND FRIDAY. MODERATE TO
HEAVY SNOW IN SOUTHEAST IOWA...NORTHEAST MISSOURI AND WESTERN
ILLINOIS WILL SPREAD NORTHEAST ACROSS THE REGION TONIGHT. THE SNOW
WILL BECOME LIGHT LATE TONIGHT...WITH LIGHT SNOW LINGERING THROUGH
MUCH OF FRIDAY. TOTAL ACCUMULATIONS OF 4 TO 7 INCHES CAN BE
EXPECTED OVER MOST OF THE AREA. BLUSTERY EAST WINDS WILL PRODUCE
SOME BLOWING AND DRIFTING OF THE SNOW. THE WINDS ARE EXPECTED TO
DECREASE LATER TONIGHT AND FRIDAY.

ILZ035-220600-
/O.UPG.KDVN.WW.Y.0003.000000T0000Z-130222T2100Z/
/O.EXA.KDVN.WS.W.0002.000000T0000Z-130222T2100Z/
MCDONOUGH-
INCLUDING THE CITY OF...MACOMB
355 PM CST THU FEB 21 2013

...WINTER STORM WARNING IN EFFECT UNTIL 3 PM CST FRIDAY...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 3 PM CST
FRIDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT.

* TIMING...SNOW WILL CONTINUE INTO THIS EVENING...THEN BECOME
  LIGHT AFTER MIDNIGHT. HEAVY SNOWFALL RATES WILL BE POSSIBLE
  THROUGH 8 PM THIS EVENING. 

* SNOW ACCUMULATIONS...AN ADDITIONAL 4 TO 6 INCHES WITH TOTAL
  ACCUMULATIONS UP TO 8 INCHES POSSIBLE.

* WINDS...EAST 15 TO 25 MPH WITH GUSTS UP TO 30 MPH...DIMINISHING
  TO LESS THAN 10 MPH AFTER MIDNIGHT. SOME BLOWING AND DRIFTING
  SNOW POSSIBLE. 

* VISIBILITIES...LESS THAN A QUARTER OF A MILE THROUGH EARLY
  EVENING...THEN GENERALLY 1 TO 3 MILES. 

* TEMPERATURES...IN THE UPPER 20S.

* IMPACTS...CONDITIONS CONTINUE TO DETERIORATE AS THE SNOW
  CONTINUES THIS EVENING. TRAVEL WILL BECOME HAZARDOUS DUE TO
  POOR VISIBILITY AND ROADS BECOMING QUICKLY SNOW COVERED AND ICY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS 6 TO 7 INCHES OR MORE
OF SNOW IS EXPECTED. THIS WILL MAKE TRAVEL VERY DANGEROUS OR
IMPOSSIBLE...SO ONLY TRAVEL IN AN EMERGENCY AND TAKE YOUR WINTER
SURVIVAL KIT.

&&

$$

IAZ076>078-087>089-098-099-ILZ025-034-MOZ009-010-220600-
/O.CON.KDVN.WS.W.0002.000000T0000Z-130222T2100Z/
KEOKUK-WASHINGTON-LOUISA-JEFFERSON-HENRY IA-DES MOINES-VAN BUREN-
LEE-HENDERSON-HANCOCK-SCOTLAND-CLARK-
INCLUDING THE CITIES OF...SIGOURNEY...WASHINGTON...WAPELLO...
FAIRFIELD...MOUNT PLEASANT...BURLINGTON...KEOSAUQUA....
FORT MADISON...OQUAWKA...CARTHAGE...MEMPHIS...KAHOKA
355 PM CST THU FEB 21 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM CST FRIDAY...

* TIMING...SNOW WILL CONTINUE SPREAD NORTH INTO EASTERN IOWA AND
  WESTERN ILLINOIS LATE THIS AFTERNOON INTO THIS EVENING. THE
  HEAVIEST SNOWFALL RATES WILL BE BETWEEN 4 PM AND 8 PM. SNOW
  WILL BECOME LIGHT AFTER MIDNIGHT.

* SNOW ACCUMULATIONS...AN ADDITIONAL 6 TO 7 INCHES. ISOLATED 8 INCHES.

* WINDS...EAST 15 TO 25 MPH WITH GUSTS UP TO 30 MPH PRODUCING SOME
  BLOWING AND DRIFTING. WINDS WILL DIMINISH OVERNIGHT INTO FRIDAY.

* VISIBILITIES...LESS THAN A QUARTER MILE AT TIMES THROUGH THIS
  EVENING. 

* TEMPERATURES...IN THE UPPER 20S.

* IMPACTS...CONDITIONS WILL CONTINUE TO DETERIORATE AS THE SNOW
  CONTINUES LATE THIS AFTERNOON AND EVENING. TRAVEL WILL BECOME
  HAZARDOUS DUE TO POOR VISIBILITY AND ROADS BECOMING QUICKLY SNOW
  COVERED AND ICY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS 6 TO 7 INCHES OR MORE
OF SNOW IS EXPECTED. 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>065-067-220600-
/O.CON.KDVN.WS.W.0002.130222T0000Z-130222T2100Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-IOWA-JOHNSON-CEDAR-
MUSCATINE-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MARENGO...IOWA CITY...TIPTON...
MUSCATINE
355 PM CST THU FEB 21 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM CST FRIDAY...

* TIMING...SNOW WILL DEVELOP BETWEEN 5 AND 7 PM THIS EVENING AND
  CONTINUE OVERNIGHT. THE HEAVIEST SNOWFALL RATES WILL BE BETWEEN
  7 PM AND MIDNIGHT.

* SNOW ACCUMULATIONS...TOTALS AROUND 6 TO 7INCHES.

* WINDS...EAST 15 TO 25 MPH WITH GUSTS UP TO 30 MPH.

* VISIBILITIES...LESS THAN A QUARTER INCH AT TIMES THIS EVENING. 

* TEMPERATURES...IN THE MID 20S.

* IMPACTS...CONDITIONS WILL DETERIORATE RAPIDLY ONCE THE SNOW
  BEGINS THIS EVENING. TRAVEL WILL BECOME HAZARDOUS DUE TO POOR
  VISIBILITY AND ROADS BECOMING QUICKLY SNOW COVERED AND ICY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS 6 TO 7 INCHES OR MORE
OF SNOW IS EXPECTED. THIS WILL MAKE TRAVEL VERY DANGEROUS OR
IMPOSSIBLE...SO ONLY TRAVEL IN AN EMERGENCY AND TAKE YOUR WINTER
SURVIVAL KIT.

&&

$$

ILZ026-220600-
/O.CON.KDVN.WW.Y.0003.000000T0000Z-130222T2100Z/
WARREN-
INCLUDING THE CITY OF...MONMOUTH
355 PM CST THU FEB 21 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST
FRIDAY...

* TIMING...SNOW WILL DEVELOP LATE THIS AFTERNOON AND CONTINUE THIS
  EVENING. HEAVY SNOWFALL RATES WILL BE POSSIBLE BETWEEN 4 PM AND
  6 PM.  

* SNOW ACCUMULATIONS...AN ADDITIONAL 4 TO 6 INCHES.

* WINDS...EAST 15 TO 25 MPH WITH GUSTS UP TO 30 MPH...RESULTING IN
  SOME BLOWING AND DRIFTING SNOW. 

* VISIBILITIES...LESS THAN A QUARTER MILE AT TIMES WITH HEAVY SNOW
  LATE THIS AFTERNOON AND EARLY EVENING. 

* TEMPERATURES...IN THE UPPER 20S.

* IMPACTS...CONDITIONS WILL DETERIORATE RAPIDLY ONCE THE SNOW 
  BEGINS. TRAVEL WILL BECOME HAZARDOUS DUE TO POOR VISIBILITY 
  AND ROADS BECOMING QUICKLY SNOW COVERED AND ICY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLICK...SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND BE CAREFUL WHILE
DRIVING.

&&

$$

IAZ054-066-068-ILZ001-002-007-009-015>018-024-220600-
/O.CON.KDVN.WW.Y.0003.130222T0000Z-130222T2100Z/
JACKSON-CLINTON-SCOTT-JO DAVIESS-STEPHENSON-CARROLL-WHITESIDE-
ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-
INCLUDING THE CITIES OF...MAQUOKETA...CLINTON...BETTENDORF...
DAVENPORT...GALENA...FREEPORT...MOUNT CARROLL...STERLING...
ROCK FALLS...MOLINE...ROCK ISLAND...KEWANEE...PRINCETON...
HENNEPIN...ALEDO
355 PM CST THU FEB 21 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST
FRIDAY...

* TIMING...SNOW WILL DEVELOP ACROSS THE AREA BETWEEN 5 PM AND 7 PM
  THIS EVENING. SNOW MAY BE HEAVY AT TIMES EARLY THIS EVENING. 

* SNOW ACCUMULATIONS...TOTALS OF 4 TO 6 INCHES.

* WINDS...EAST 15 TO 25 MPH WITH GUSTS UP TO 30 MPH THIS EVENING
  CAUSING SOME BLOWING AND DRIFTING SNOW. 

* VISIBILITIES...LESS THAN QUARTER MILE AT TIMES EARLY THIS
  EVENING. 

* TEMPERATURES...IN THE UPPER 20S.

* IMPACTS...CONDITIONS WILL DETERIORATE RAPIDLY ONCE THE SNOW 
  BEGINS. TRAVEL WILL BECOME HAZARDOUS DUE TO POOR VISIBILITY 
  AND ROADS BECOMING QUICKLY SNOW COVERED AND ICY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLICK...SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND BE CAREFUL WHILE
DRIVING.

&&

$$

SHEETS
385 
WWUS43 KDVN 220239
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
839 PM CST THU FEB 21 2013

....SNOW CONTINUES TONIGHT AND FRIDAY...

.SNOW WILL CONTINUE TONIGHT INTO FRIDAY AS LOW PRESSURE MOVES FROM
THE SOUTHERN PLAIN...ACROSS MISSOURI AND INTO NORTHERN ILLINOIS BY
FRIDAY AFTERNOON. MODERATE TO HEAVY SNOW THIS EVENING AND INTO
EARLY FRIDAY MORNING WILL ACCOUNT FOR MOST OF THE SNOW
ACCUMULATION WITH LIGHT SNOW EARLY FRIDAY ADDING ANOTHER INCH OR
TWO TO THE SNOWFALL TOTALS. THE HIGHEST AMOUNTS...CLOSE TO 8
INCHES...ARE EXPECTED FROM NORTHEAST MISSOURI INTO WESTERN
ILLINOIS. OVER THE REST OF THE AREA AMOUNTS BY FRIDAY AFTERNOON
SHOULD TOTAL 4 TO 6 INCHES. BLUSTERY EAST WINDS WILL PRODUCE SOME
BLOWING AND DRIFTING OF THE SNOW TONIGHT. THE WINDS ARE EXPECTED
TO DECREASE LATE TONIGHT.

IAZ076>078-087>089-098-099-ILZ025-034-035-MOZ009-010-221045-
/O.CON.KDVN.WS.W.0002.000000T0000Z-130222T2100Z/
KEOKUK-WASHINGTON-LOUISA-JEFFERSON-HENRY IA-DES MOINES-VAN BUREN-
LEE-HENDERSON-HANCOCK-MCDONOUGH-SCOTLAND-CLARK-
INCLUDING THE CITIES OF...SIGOURNEY...WASHINGTON...WAPELLO...
FAIRFIELD...MOUNT PLEASANT...BURLINGTON...KEOSAUQUA....
FORT MADISON...OQUAWKA...CARTHAGE...MACOMB...MEMPHIS...KAHOKA
839 PM CST THU FEB 21 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM CST FRIDAY...

* TIMING...SNOW WILL CONTINUE OVERNIGHT. THEN TAPER OFF BY LATE
  FRIDAY MORNING. 

* SNOW ACCUMULATIONS...AN ADDITIONAL 2 TO 4 INCHES ARE EXPECTED
  BRINGING STORM TOTALS TO 6 TO 8 INCHES.

* WINDS...EAST 15 TO 25 MPH WITH GUSTS UP TO 30 MPH PRODUCING 
  SOME BLOWING AND DRIFTING. WINDS WILL DIMINISH OVERNIGHT INTO 
  FRIDAY.

* VISIBILITIES...LESS THAN A MILE AT TIMES OVERNIGHT.

* TEMPERATURES...IN THE MIDDLE TO UPPER 20S.

* IMPACTS...TRAVEL WILL BE HAZARDOUS DUE TO POOR VISIBILITY AND
  SNOW COVERED AND ICY ROADS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS 6 TO 7 INCHES OR MORE
OF SNOW IS EXPECTED. 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>065-067-221045-
/O.CON.KDVN.WS.W.0002.000000T0000Z-130222T2100Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-IOWA-JOHNSON-CEDAR-
MUSCATINE-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MARENGO...IOWA CITY...TIPTON...
MUSCATINE
839 PM CST THU FEB 21 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM CST FRIDAY...

* TIMING...SNOW WILL DEVELOP BETWEEN 5 AND 7 PM THIS EVENING AND 
  CONTINUE OVERNIGHT. THE HEAVIEST SNOWFALL RATES WILL BE 
  BETWEEN 7 PM AND MIDNIGHT.

* SNOW ACCUMULATIONS...TOTALS 4 TO 7 INCHES.

* WINDS...EAST 15 TO 25 MPH WITH GUSTS UP TO 30 MPH.

* VISIBILITIES...LESS THAN A QUARTER INCH AT TIMES LATE THIS
  EVENING.

* TEMPERATURES...IN THE MID 20S.

* IMPACTS...TRAVEL WILL BE HAZARDOUS DUE TO POOR VISIBILITY AND
  ROADS BECOMING SNOW COVERED AND ICY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS 6 TO 7 INCHES OR MORE
OF SNOW IS EXPECTED. THIS WILL MAKE TRAVEL VERY DANGEROUS OR
IMPOSSIBLE...SO ONLY TRAVEL IN AN EMERGENCY AND TAKE YOUR WINTER
SURVIVAL KIT.

&&

$$

ILZ026-221045-
/O.CON.KDVN.WW.Y.0003.000000T0000Z-130222T2100Z/
WARREN-
INCLUDING THE CITY OF...MONMOUTH
839 PM CST THU FEB 21 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST
FRIDAY...

* TIMING...SNOW CONTINUING OVER NIGHT THEN LIGHT SNOW FRIDAY
  MORNING. 

* SNOW ACCUMULATIONS...AN ADDITIONAL 2 TO 4 INCHES WITH STORM
  TOTALS OF 4 TO 6 INCHES BY FRIDAY AFTERNOON

* WINDS...EAST 15 TO 25 MPH WITH GUSTS UP TO 30 MPH...RESULTING 
  IN SOME BLOWING AND DRIFTING SNOW.

* VISIBILITIES...LESS THAN A MILE AT TIMES.

* TEMPERATURES...IN THE MIDDLE TO UPPER 20S.

* IMPACTS...TRAVEL WILL BE HAZARDOUS DUE TO POOR VISIBILITY AND
  ROADS BECOMING SNOW COVERED AND ICY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLICK...SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND BE CAREFUL WHILE
DRIVING.

&&

$$

IAZ054-066-068-ILZ001-002-007-009-015>018-024-221045-
/O.CON.KDVN.WW.Y.0003.000000T0000Z-130222T2100Z/
JACKSON-CLINTON-SCOTT-JO DAVIESS-STEPHENSON-CARROLL-WHITESIDE-
ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-
INCLUDING THE CITIES OF...MAQUOKETA...CLINTON...BETTENDORF...
DAVENPORT...GALENA...FREEPORT...MOUNT CARROLL...STERLING...
ROCK FALLS...MOLINE...ROCK ISLAND...KEWANEE...PRINCETON...
HENNEPIN...ALEDO
839 PM CST THU FEB 21 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST
FRIDAY...

* TIMING...SNOW WILL CONTINUE TO DEVELOP ACROSS THE AREA THIS
  EVENING. SNOW MAY BE HEAVY AT TIMES THROUGH MIDNIGHT. THE SNOW
  WILL TAPER OFF TO LIGHT SNOW LATE TONIGHT. THE LIGHT SNOW WILL
  CONTINUE INTO FRIDAY AFTERNOON. 

* SNOW ACCUMULATIONS...TOTALS OF 4 TO 6 INCHES.

* WINDS...EAST 15 TO 25 MPH WITH GUSTS UP TO 30 MPH THIS EVENING 
  CAUSING SOME BLOWING AND DRIFTING SNOW.

* VISIBILITIES...LESS THAN A HALF MILE AT TIMES THIS EVENING.

* TEMPERATURES...IN THE MIDDLE TO UPPER 20S.

* IMPACTS...CONDITIONS WILL DETERIORATE ONCE THE SNOW BEGINS.
  TRAVEL WILL BECOME HAZARDOUS DUE TO POOR VISIBILITY AND ROADS
  BECOMING SNOW COVERED AND ICY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLICK...SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND BE CAREFUL WHILE
DRIVING.

&&

$$
706 
WWUS43 KDVN 220923
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
323 AM CST FRI FEB 22 2013

....WINTER STORM WINDING DOWN...

.LOW PRESSURE IN MISSOURI WILL MOVE NORTH THROUGH IOWA DURING THE
DAY AND INTO WISCONSIN THIS EVENING. PERIODIC LIGHT SNOW WILL
CONTINUE THROUGH THE DAY WITH ADDITIONAL ACCUMULATIONS RANGING
FROM A DUSTING TO PERHAPS 1 INCH. WINDS WILL BE UNDER 20 MPH
THROUGH THE DAY SO MINIMAL DRIFTING IS EXPECTED.

IAZ076>078-087>089-098-099-ILZ025-034-035-MOZ009-010-221030-
/O.CAN.KDVN.WS.W.0002.000000T0000Z-130222T2100Z/
KEOKUK-WASHINGTON-LOUISA-JEFFERSON-HENRY IA-DES MOINES-VAN BUREN-
LEE-HENDERSON-HANCOCK-MCDONOUGH-SCOTLAND-CLARK-
INCLUDING THE CITIES OF...SIGOURNEY...WASHINGTON...WAPELLO...
FAIRFIELD...MOUNT PLEASANT...BURLINGTON...KEOSAUQUA....
FORT MADISON...OQUAWKA...CARTHAGE...MACOMB...MEMPHIS...KAHOKA
323 AM CST FRI FEB 22 2013

...WINTER STORM WARNING IS CANCELLED...

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

SOME LIGHT SNOW WILL BE SEEN DURING THE DAY BUT ANY ADDITIONAL
ACCUMULATIONS WILL BE ONE HALF INCH OR LESS. ADDITIONALLY...NOT
MUCH IN THE WAY OF WINDS WILL BE SEEN DURING THE DAY.


$$

ILZ026-221030-
/O.CAN.KDVN.WW.Y.0003.000000T0000Z-130222T2100Z/
WARREN-
INCLUDING THE CITY OF...MONMOUTH
323 AM CST FRI FEB 22 2013

...WINTER WEATHER ADVISORY IS CANCELLED...

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

SOME LIGHT SNOW WILL BE SEEN DURING THE DAY BUT ANY ADDITIONAL
ACCUMULATIONS WILL BE ONE HALF INCH OR LESS. ADDITIONALLY...NOT
MUCH IN THE WAY OF WINDS WILL BE SEEN DURING THE DAY.


$$

IAZ040>042-051>053-063>065-067-221730-
/O.CON.KDVN.WS.W.0002.000000T0000Z-130222T2100Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-IOWA-JOHNSON-CEDAR-
MUSCATINE-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MARENGO...IOWA CITY...TIPTON...
MUSCATINE
323 AM CST FRI FEB 22 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM CST THIS
AFTERNOON...

* TIMING...CONTINUING THROUGH MID AFTERNOON. THE POTENTIAL DOES
  EXIST FOR AN EARLY CANCELLATION.

* SNOW ACCUMULATIONS...UP TO AN ADDITIONAL INCH.

* WINDS...SOUTHEAST 5 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* TEMPERATURES...IN THE MID 20S.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS 6 TO 7 INCHES OR MORE
OF SNOW IS EXPECTED. THIS WILL MAKE TRAVEL VERY DANGEROUS OR
IMPOSSIBLE...SO ONLY TRAVEL IN AN EMERGENCY AND TAKE YOUR WINTER
SURVIVAL KIT.

&&

$$

IAZ054-066-068-ILZ001-002-007-009-015>018-024-221730-
/O.CON.KDVN.WW.Y.0003.000000T0000Z-130222T2100Z/
JACKSON-CLINTON-SCOTT-JO DAVIESS-STEPHENSON-CARROLL-WHITESIDE-
ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-
INCLUDING THE CITIES OF...MAQUOKETA...CLINTON...BETTENDORF...
DAVENPORT...GALENA...FREEPORT...MOUNT CARROLL...STERLING...
ROCK FALLS...MOLINE...ROCK ISLAND...KEWANEE...PRINCETON...
HENNEPIN...ALEDO
323 AM CST FRI FEB 22 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST THIS
AFTERNOON...

* TIMING...CONTINUING THROUGH MID AFTERNOON. THE POTENTIAL DOES
  EXIST FOR AN EARLY CANCELLATION.

* SNOW ACCUMULATIONS...UP TO AN ADDITIONAL INCH.

* WINDS...SOUTHEAST 5 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* TEMPERATURES...IN THE UPPER 20S.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLICK...SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND BE CAREFUL WHILE
DRIVING.

&&

$$
476 
WWUS43 KDVN 221200
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
600 AM CST FRI FEB 22 2013

....WINTER STORM WINDING DOWN...

.LOW PRESSURE IN MISSOURI WILL MOVE NORTH THROUGH IOWA DURING THE
DAY AND INTO WISCONSIN THIS EVENING. PERIODIC LIGHT SNOW WILL
CONTINUE THROUGH THE DAY WITH ADDITIONAL ACCUMULATIONS RANGING
FROM A DUSTING TO PERHAPS 1 INCH. WINDS WILL BE UNDER 20 MPH
THROUGH THE DAY SO MINIMAL DRIFTING IS EXPECTED.

IAZ040>042-051>053-063>065-067-222000-
/O.CON.KDVN.WS.W.0002.000000T0000Z-130222T2100Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-IOWA-JOHNSON-CEDAR-
MUSCATINE-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MARENGO...IOWA CITY...TIPTON...
MUSCATINE
600 AM CST FRI FEB 22 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM CST THIS
AFTERNOON...

* TIMING...CONTINUING THROUGH MID AFTERNOON. THE POTENTIAL DOES 
  EXIST FOR AN EARLY CANCELLATION.

* SNOW ACCUMULATIONS...UP TO AN ADDITIONAL INCH.

* WINDS...SOUTHEAST 5 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* TEMPERATURES...IN THE MID 20S.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS 6 TO 7 INCHES OR MORE
OF SNOW IS EXPECTED. THIS WILL MAKE TRAVEL VERY DANGEROUS OR
IMPOSSIBLE...SO ONLY TRAVEL IN AN EMERGENCY AND TAKE YOUR WINTER
SURVIVAL KIT.

&&

$$

IAZ054-066-068-ILZ001-002-007-009-015>018-024-222000-
/O.CON.KDVN.WW.Y.0003.000000T0000Z-130222T2100Z/
JACKSON-CLINTON-SCOTT-JO DAVIESS-STEPHENSON-CARROLL-WHITESIDE-
ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-
INCLUDING THE CITIES OF...MAQUOKETA...CLINTON...BETTENDORF...
DAVENPORT...GALENA...FREEPORT...MOUNT CARROLL...STERLING...
ROCK FALLS...MOLINE...ROCK ISLAND...KEWANEE...PRINCETON...
HENNEPIN...ALEDO
600 AM CST FRI FEB 22 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST THIS
AFTERNOON...

* TIMING...CONTINUING THROUGH MID AFTERNOON. THE POTENTIAL DOES 
  EXIST FOR AN EARLY CANCELLATION.

* SNOW ACCUMULATIONS...UP TO AN ADDITIONAL INCH.

* WINDS...SOUTHEAST 5 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* TEMPERATURES...IN THE UPPER 20S.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLICK...SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND BE CAREFUL WHILE
DRIVING.

&&

$$
537 
WWUS43 KDVN 221928
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
128 PM CST FRI FEB 22 2013

....WINTER STORM WINDING DOWN...

.LOW PRESSURE IN NORTHERN IOWA WILL MOVE NORTH INTO WISCONSIN BY THIS
EVENING. PERIODIC LIGHT SNOW WILL CONTINUE FOR AREAS NORTH OF
HIGHWAY 30 THIS AFTERNOON...BUT WITH LITTLE OR NO ADDITIONAL
ACCUMULATION. WINDS WILL BE UNDER 20 MPH THROUGH THE DAY SO
MINIMAL DRIFTING IS EXPECTED.

IAZ063>065-067-222030-
/O.CAN.KDVN.WS.W.0002.000000T0000Z-130222T2100Z/
IOWA-JOHNSON-CEDAR-MUSCATINE-
INCLUDING THE CITIES OF...MARENGO...IOWA CITY...TIPTON...
MUSCATINE
128 PM CST FRI FEB 22 2013

...WINTER STORM WARNING IS CANCELLED...

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

ACCUMULATING SNOW HAS ENDED FOR THE WARNING AREA. A FEW FLURRIES
MAY LINGER INTO THE EVENING HOURS.

$$

IAZ066-068-ILZ009-015>018-024-222030-
/O.CAN.KDVN.WW.Y.0003.000000T0000Z-130222T2100Z/
CLINTON-SCOTT-WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-
INCLUDING THE CITIES OF...CLINTON...BETTENDORF...DAVENPORT...
STERLING...ROCK FALLS...MOLINE...ROCK ISLAND...KEWANEE...
PRINCETON...HENNEPIN...ALEDO
128 PM CST FRI FEB 22 2013

...WINTER WEATHER ADVISORY IS CANCELLED...

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

ACCUMULATING SNOW HAS ENDED FOR THE WARNING AREA. A FEW FLURRIES
MAY LINGER INTO THE EVENING HOURS.

$$

IAZ040>042-051>053-222100-
/O.CON.KDVN.WS.W.0002.000000T0000Z-130222T2100Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA
128 PM CST FRI FEB 22 2013

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM CST THIS
AFTERNOON...

* TIMING...ACCUMULATING SNOW IS EXPECTED TO END BY 3 PM THIS
  AFTERNOON.

* SNOW ACCUMULATIONS...A DUSTING OR LESS THIS AFTERNOON. TOTAL
  SNOW ACCUMULATIONS RANGE FROM 3 TO 6 INCHES.

* WINDS...WEST 5 TO 10 MPH.

* TEMPERATURES...IN THE UPPER 20S.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS 6 TO 7 INCHES OR MORE
OF SNOW IS EXPECTED. THIS WILL MAKE TRAVEL VERY DANGEROUS OR
IMPOSSIBLE...SO ONLY TRAVEL IN AN EMERGENCY AND TAKE YOUR WINTER
SURVIVAL KIT.

&&

$$

IAZ054-ILZ001-002-007-222100-
/O.CON.KDVN.WW.Y.0003.000000T0000Z-130222T2100Z/
JACKSON-JO DAVIESS-STEPHENSON-CARROLL-
INCLUDING THE CITIES OF...MAQUOKETA...GALENA...FREEPORT...
MOUNT CARROLL
128 PM CST FRI FEB 22 2013

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST THIS
AFTERNOON...

* TIMING...ACCUMULATING SNOW IS EXPECTED TO END BY 3 PM THIS
  AFTERNOON.  

* SNOW ACCUMULATIONS...A DUSTING OR LESS THIS AFTERNOON. TOTAL
  SNOW ACCUMULATIONS RANGE FROM 2 TO 3 INCHES.

* WINDS...SOUTHWEST 5 TO 10 MPH.

* TEMPERATURES...AROUND 30.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLICK...SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND BE CAREFUL WHILE
DRIVING.

&&

$$
141 
WWUS43 KDVN 222102
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
302 PM CST FRI FEB 22 2013

...WINTER STORM MOVING OUT OF THE AREA...

.LOW PRESSURE IN SOUTHWEST WISCONSIN WILL CONTINUE TO MOVE
NORTHEAST AWAY FROM THE AREA THIS EVENING. INTERMITTENT LIGHT
SNOW OR FLURRIES WILL CONTINUE FOR AREAS ALONG AND NORTH OF
HIGHWAY 20 THIS AFTERNOON...BUT WITH LITTLE OR NO ADDITIONAL
ACCUMULATION. 

IAZ040>042-051>053-222215-
/O.CAN.KDVN.WS.W.0002.000000T0000Z-130222T2100Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA
302 PM CST FRI FEB 22 2013

...WINTER STORM WARNING IS CANCELLED...

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

ACCUMULATING SNOW HAS ENDED FOR THE AREA. A FEW FLURRIES MAY
LINGER INTO THE EVENING HOURS.

$$

IAZ054-ILZ001-002-007-222215-
/O.CAN.KDVN.WW.Y.0003.000000T0000Z-130222T2100Z/
JACKSON-JO DAVIESS-STEPHENSON-CARROLL-
INCLUDING THE CITIES OF...MAQUOKETA...GALENA...FREEPORT...
MOUNT CARROLL
302 PM CST FRI FEB 22 2013

...WINTER WEATHER ADVISORY IS CANCELLED...

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

ACCUMULATING SNOW HAS ENDED FOR THE AREA. A FEW FLURRIES MAY
LINGER INTO THE EVENING HOURS.

$$

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 20, 3:03 PM CST, 14 minutes earlier.

Area forecast discussion, Feb 20, 3:03 PM CST, 14 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
303 PM CST WED FEB 20 2013

.SYNOPSIS...
POTENT STORM SYSTEM IN THE DESERT SOUTHWEST WILL BE DIGGING A BIT
MORE WITH THE STRONGER WINDS STILL ON THE WEST SIDE OF THE TROUGH.
THIS MEANS THE SYSTEM WILL BE SEVERAL HOURS SLOWER REACHING THE DVN
CWA THAN EARLIER THOUGHT. AT 12Z GULF MOISTURE HAD PUSHED INTO SOUTH
TX WITH 850 MB DEW POINTS OF 10C. HEAVY SNOW WAS CURRENTLY FALLING
ACROSS PORTIONS OF OK/AR/KS. THICK CIRRUS HAD SPREAD INTO OUR SOUTHERN
COUNTIES BUT ELSEWHERE THERE WAS PLENTY OF SUNSHINE. CURRENT TEMPS IN
THE DVN CWA WERE IN THE UPPER TEENS TO MID 20S.

HAASE

&&

.NEAR TERM...TONIGHT...
THE CALM BEFORE THE STORM.

THE THICKER CIRRUS WILL BE IN OUR SOUTHERN COUNTIES WITH ONLY THIN
SCATTERED CIRRUS ELSEWHERE. TEMPERATURES WILL BE THE COLDEST IN THE
NORTH WITH LOWS DROPPING INTO THE SINGLE DIGITS. WITH MORE CLOUD
COVER IN OUR SOUTH LOWS WILL BE IN THE TEENS. NORTHEAST WINDS WILL
BE LESS THAN 10 MPH SO WIND CHILLS WILL ONLY FALL TO 5 BELOW ZERO IN
OUR NORTH AND SINGLE DIGITS SOUTH.

HAASE

.LONG TERM...THURSDAY THROUGH NEXT WEDNESDAY...
WINTER STORM WITH SNOW LATE THURSDAY AND FRIDAY MAIN ISSUE...THEN
CONTINUED BELOW NORMAL TEMPERATURES WITH MORE PRECIPITATION EARLY
NEXT WEEK.

OVERVIEW...INITIALIZATION EXCELLENT WITH ENERGY IN SW CONUS SUPPORTING
A MORE DIGGING AND SLIGHTLY SLOWER SYSTEM. VERIFICATION AT 18Z
SUGGESTS A BLEND OF GFS/ECMWF. THE HI-RES ECMWF IS NOT AVAILABLE
LIMITING USAGE TO THE LOW RES ECMWF. THIS OCCLUDING AND FILLING
SYSTEM RESULTS IN A HIGHER THAN AVERAGE CONFIDENCE FORECAST WITH MATURE
AND SLOWLY DISSIPATING STAGE PRECIPITATION AS IT MOVES ACROSS LATE
THURSDAY AND FRIDAY. THIS SUPPORTS WIDESPREAD 4 TO 7 INCHES OF
SNOW OF NEAR NORMAL LIQUID WATER EQUIVALENTS OF 13:1...OR MODERATE
TO MODERATELY WET SNOW COMPOSITION. ISOLATE AMOUNTS OF 8 INCHES
ARE POSSIBLE IN WESTERN SECTIONS WITH LOCALLY AMOUNTS OF 3 INCHES
POSSIBLE IN EAST SECTIONS.

HEADLINES...DUE TO ABOVE REASONING...WILL UPGRADE WATCH TO WINTER
STORM WARNING FOR WESTERN 1/2 OF AREA AND WINTER WEATHER ADVISORY
IN EAST SECTIONS. SEE THE WATCH/WARNING/ADVISORY SECTION BELOW.

THURSDAY...SLOWER SYSTEM....HAVE DELAYED POPS TO PM HOURS...MOSTLY
AFTER 1 PM IN SW SECTIONS. MODERATE TO HEAVY SNOW BANDS ON TRACK
TO ARRIVE NEAR HIGHWAY 34 CORRIDOR IN IOWA ABOUT 3 PM AND NEAR THE
I-80 CORRIDOR ABOUT 6 PM. HIGHS SHOULD SETTLE MOSTLY IN THE MIDDLE
20S WITH A EASTERLY WIND OF 15 TO 25 MPH BY PM HOURS. LOCATIONS
ALONG AND SOUTH OF HIGHWAY 34 SHOULD HAVE 1 TO 3 INCHES OF FRESH
SNOW BY 6 PM. WHEN SNOW ARRIVES...ALL LOCATIONS SHOULD SEE ROUGHLY
3 TO 5 HOURS OF MODERATE TO HEAVY SNOW AT SNOW ACCUMULATION RATES
OF .75 TO 1.5 INCHES AN HOUR.

THURSDAY NIGHT...SWATCH OF SNOW WILL CONTINUE TO MOVE NORTHEAST WITH
HEAVIEST SNOW NORTHEAST OF ENTIRE CWFA BY 1 TO 2 AM. CENTRAL AND
NORTHERN SECTIONS SHOULD ALSO EXPERIENCE 3 TO 4 HOURS OF MODERATE
TO HEAVY SNOW WITH ACCUMULATE RATES OF .75 TO 1.5 INCHES AN HOUR.
THE HEAVIEST SNOW AMOUNTS WILL TEND TO BE ALONG AND WEST OF A
DUBUQUE TO MUSCATINE TO KEOKUK IOWA LINE. SLIGHTLY LESSER AMOUNTS
WILL BE EAST OF THIS AXIS AS THE SYSTEM SLOWLY WEAKENS. ESSENTIALLY
80-90 PERCENT OF THE TOTAL PRECIPITATION FOR THIS EVENT WILL FALL
WITH THESE INITIAL BANDS OF SNOW. OVERNIGHT...MOSTLY INTERVALS OF
LIGHT SNOW AND FLURRIES WITH MINOR ACCUMULATIONS OF LESS THAN A
HALF INCH EXPECTED WITH DIMINISHING EAST WINDS OF 10 TO 15 MPH BY
DAWN.

FRIDAY...UPPER LOW TO PASS BY MID AFTERNOON WITH MORE LIGHT SNOW WITH
AN ADDITIONAL .5 TO LOCALLY 1 PLUS INCHES OF ADDITIONAL SNOW AS
WINDS SHIFT BY PM TO THE NORTH. HIGHS IN THE UPPER 20S NORTHWEST
TO THE LOWER 30S IN THE SOUTHEAST.

SATURDAY AND SUNDAY...MINOR CHANGES MADE WITH PARTLY CLOUDY SKIES AND
HIGHS IN THE 20S SATURDAY AND 30S ON SUNDAY. LOWS IN THE TEENS.

MONDAY AND TUESDAY...MINOR INPUTS AND CHANGES MADE WITH NEXT SYSTEM
BUT HAVE UPPED POPS WITH MIXTURE OF SNOW AND RAIN SUGGESTED. THIS
NEXT SYSTEM WILL BE INTENSIFYING VERSUS THE ONE TOMORROW WHICH WILL
BE FILLING. IT APPEARS FAVORABLE HEADLINES WILL BE NEEDED WITH THIS
SYSTEM...MORE SPECIFICS WILL BE KNOWN IN THE NEXT 2 DAYS AND JUST HOW
APPROACHING SW CONUS SYSTEM WILL IMPACT THE NEXT UPSTREAM SYSTEM.
TEMPERATURES WILL BE IN THE 20S AND 30S WITH LOTS OF CLOUDS.

WEDNESDAY...DRY BUT LIKELY TEMPERATURES ARE TOO MILD BY AT LEAST 5
PLUS DEGREES FOR LATER SHIFTS TO REASSESS. LOCAL TOOLS SUGGEST BELOW
TO WELL NORMAL TEMPERATURES AS UPPER SYSTEM MOVES EAST WITH COLDER
AIR ARRIVING FROM CANADA.

NICHOLS

&&

.AVIATION...
VFR CONDITIONS WILL PERSIST THE REMAINDER OF THIS AFTERNOON THROUGH
MOST OF THURSDAY AS THE STORM SYSTEM HAS SLOWED EVEN MORE. NORTHWEST
TO NORTH WINDS LESS THAN 10 KTS WILL VEER TO THE NORTHEAST THIS
EVENING. EAST WINDS INCREASING TO 10 TO 20 KNOTS ON THURSDAY. THE
STORM SYSTEM WILL SPREAD MODERATE TO LOCALLY HEAVY SNOW ACROSS THE
TERMINALS FROM SOUTHWEST TO NORTHEAST ON THURSDAY...REACHING KBRL BY
21Z KCID/KMLI BY 00Z AND KDBQ BY 03Z. IFR CIGS/VIS DURING THE SNOW
EVENT.

HAASE

&&

.DVN WATCHES/WARNINGS/ADVISORIES...
IA...WINTER WEATHER ADVISORY FROM 6 PM THURSDAY TO 3 PM CST FRIDAY
     FOR CLINTON-JACKSON-SCOTT.

     WINTER STORM WARNING FROM 3 PM THURSDAY TO 3 PM CST FRIDAY FOR
     BENTON-BUCHANAN-CEDAR-DELAWARE-DES MOINES-DUBUQUE-HENRY IA-
     IOWA-JEFFERSON-JOHNSON-JONES-KEOKUK-LEE-LINN-LOUISA-
     MUSCATINE-VAN BUREN-WASHINGTON.

IL...WINTER WEATHER ADVISORY FROM 6 PM THURSDAY TO 3 PM CST FRIDAY
     FOR BUREAU-CARROLL-HANCOCK-HENDERSON-HENRY IL-JO DAVIESS-
     MCDONOUGH-MERCER-PUTNAM-ROCK ISLAND-STEPHENSON-WARREN-
     WHITESIDE.

MO...WINTER STORM WARNING FROM 3 PM THURSDAY TO 3 PM CST FRIDAY FOR
     CLARK-SCOTLAND.

&&

NICHOLS/HAASE
Hazardous weather outlook, Feb 20, 4:50 AM CST, 10 hours 27 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
450 AM CST WED FEB 20 2013

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-211100-
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-
450 AM CST WED FEB 20 2013

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

NORTHWEST WINDS AND COLD TEMPERATURES WILL PRODUCE VERY COLD WIND
CHILLS NEAR 20 BELOW ZERO OVER NORTHEASTERN IOWA EARLY THIS MORNING.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

A WINTER STORM WATCH CONTINUES IN EFFECT FOR MUCH OF THE OUTLOOK AREA
THURSDAY AFTERNOON THROUGH FRIDAY MORNING. A STRONG STORM SYSTEM WILL
TRACK OUT OF THE SOUTHERN PLAINS AND INTO THE UPPER MIDWEST THROUGH
FRIDAY. THIS SYSTEM WILL HAVE THE POTENTIAL TO PRODUCE SNOW
ACCUMULATIONS OF 4 TO 7 INCHES OVER MOST OF THE OUTLOOK AREA. THE
MAJORITY OF THE ACCUMULATIONS WILL OCCUR DURING THURSDAY AFTERNOON
THROUGH MIDNIGHT THURSDAY NIGHT. CURRENT INDICATIONS SUGGEST THAT THE
HIGHER AMOUNTS OF WIDESPREAD 5 TO 7 INCHES WILL OCCUR WEST OF THE
MISSISSIPPI RIVER AND DOWN INTO WEST CENTRAL ILLINOIS. SNOWFALL
AMOUNTS CLOSER TO 4 INCHES WILL LOOK TO OCCUR FROM AROUND FREEPORT
ILLINOIS...TO PRINCETON ILLINOIS. EAST WINDS WILL BE GUSTING TO
AROUND 30 MPH CAUSING SOME BLOWING AND DRIFTING OF THE SNOW THURSDAY
AFTERNOON AND INTO THE EVENING. SNOWFALL INTENSITY COMBINED WITH
THESE WINDS WILL SEVERELY REDUCE VISIBILITIES AND MAY PRODUCE NEAR
WHITEOUT CONDITIONS AT TIMES. THE WINDS WILL THEN DECREASE LATER
THURSDAY NIGHT AND INTO FRIDAY MORNING.

ANOTHER SIGNIFICANT STORM SYSTEM MAY BRING MORE RAIN OR SNOW TO THE
OUTLOOK AREA EARLY NEXT WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.

05/12

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 20, 3:17 PM CSTWinter Weather AdvisoryDVNClinton, Jackson, Scott48 hr

Nearby

Winter Storm Warnings in Iowa, 2013Winter Storm Warnings in Illinois, 2013Winter Storm Warnings in Missouri, 2013Every winter storm warning in 2013

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.