Alert archive / Iowa / Winter Storm Warnings in 2013

Winter Storm Warning 5, NWS Quad Cities, IA

December 20, 201321 counties in Iowa; 13 counties in Illinois; Clark County, Scotland County, Missouri

NWS Quad Cities, IA issued this winter storm warning at Dec 20, 2013, 3:02 PM CST for 21 counties in Iowa; 13 counties in Illinois; Clark County, Scotland County, Missouri. It took effect at Dec 21, 2013, 9:00 AM CST. It was in force for 26 hr. 60 reports came from inside the area while it was in force.

The area

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

The facts

Issued
Dec 20, 2013, 3:02 PM CST (21:02 UTC)
In effect from
Dec 21, 2013, 9:00 AM CST
Expired
Dec 22, 2013, 10:33 AM CST
In force
26 hr
Issued by
NWS Quad Cities, IA
All 36 counties

Benton County, IA, Buchanan County, IA, Cedar County, IA, Clinton County, IA, Delaware County, IA, Des Moines County, IA, Dubuque County, IA, Henry County, IA, Iowa County, IA, Jackson County, IA, Jefferson County, IA, Johnson County, IA, Jones County, IA, Keokuk County, IA, Lee County, IA, Linn 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, Jo Daviess County, IL, McDonough County, IL, Mercer County, IL, Putnam County, IL, Rock Island County, IL, Stephenson County, IL, Warren County, IL, Whiteside County, IL, Clark County, MO, Scotland County, MO

The radar

The Quad Cities radar (KDVN), 41 km from the middle of the area, began a volume at 21:05 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Dec 21, 11:58 AM CSTFREEZING RAIN 0Macomb, ILINTERMITTENT EARLIER BUT STEADY FREEZING RAIN NOW.
Dec 21, 3:31 PM CSTFREEZING RAIN 01 Ene Fort Madison, IACHANGED OVER TO FREEZING RAIN. STREETS AND SIDEWALKS BECOMING ICY.
Dec 21, 3:44 PM CSTFREEZING RAIN 03 Ene Charlie Heath Mem, MOCONTINUOUS FREEZING RAIN SINCE 307 PM
Dec 21, 3:45 PM CSTFREEZING RAIN 0Stronghurst, ILLIGHT RAIN TURING TO ICE ON CONTACT WITH STREETS AND SIDEWALKS
Dec 21, 3:55 PM CSTSLEET 02 Ene Muscatine, IA
Dec 21, 4:02 PM CSTFREEZING RAIN 0Nne Dallas City, ILSTARTING TO GET A GLAZE ON THE ROAD.
Dec 21, 6:11 PM CSTFREEZING RAIN 01 Wnw Fort Madison, IACHANGE OVER TO FREEZING RAIN
Dec 21, 6:25 PM CSTFREEZING RAIN 0.23 W Mount Pleasant, IABEGAN AT 610 PM - ICE IS ALREADY COVERING ALL SURFACES
Dec 21, 6:30 PM CSTFREEZING RAIN 0.254 Wsw Macomb, IL
Dec 21, 7:24 PM CSTSNOW 03 Ne Muscatine, IASNOW IS BEGINNING TO ACCUMULATE
Dec 21, 8:15 PM CSTSLEET 0.13 Wnw Deer Grove, ILRAIN EARLIER - ALL UNTREATED SURFACES ARE EXTREMELY SLICK
Dec 21, 8:34 PM CSTSNOW 02 Ssw Calamus, IACHANGED OVER TO SNOW ABOUT 10 MINUTES AGO
Dec 21, 10:36 PM CSTFREEZING RAIN 0.15 E Cantril, IASLEET OCCURING AT TIME OF REPORT.
Dec 21, 10:36 PM CSTFREEZING RAIN 0.13Industry, IL1/8TH INCH ICE APPROXIMATELY OF FREEZING RAIN.
Dec 22, 4:22 AM CSTSNOW 2.5Independence, IASTILL SNOWING
Dec 22, 4:30 AM CSTSNOW 2.5Olin, IASTILL SNOWING
Dec 22, 4:33 AM CSTSNOW 2.33 Ene Charlie Heath Mem, MOSTILL SNOWING. VISIBILITY ESTIMATED AT 1/2 MILE
Dec 22, 5:19 AM CSTSNOW 3.83 Nnw Cedar Rapids, IASTILL SNOWING
Dec 22, 5:32 AM CSTSNOW 3Manchester, IASTILL SNOWING
Dec 22, 5:49 AM CSTSNOW 3.86 N Davenport, IATOTAL SO FAR. WATER EQUIV IS 0.32 AND SNOW DEPTH IS 4 INCHES
Dec 22, 5:51 AM CSTSNOW 4Dyersville, IA
Dec 22, 5:51 AM CSTSNOW 4Memphis, MOSNOW HAS STOPPED. WATER EQUIV IS 0.41 AND SNOW DEPTH IS 4 INCHES
Dec 22, 5:51 AM CSTSNOW 5.3Lisbon, IA
Dec 22, 6:12 AM CSTSNOW 3.7Dubuque, IATOTAL SO FAR. HEAVY SNOW AT PRESENT TIME. WATER EQUIV IS 0.31 AND SNOW DEPTH IS 6 INCHES.
Dec 22, 6:23 AM CSTSNOW 4.1Moline, ILTOTAL SO FAR. WATER EQUIV IS 0.48 WITH SNOW DEPTH OF 4 INCHES.
Dec 22, 6:35 AM CSTSNOW 3.1Elizabeth, IL24HR TOTAL SO FAR. WATER EQUIV IS 0.24 AND SNOW DEPTH IS 5 INCHES.
Dec 22, 6:36 AM CSTSNOW 5.5E Iowa City, IARELAYED VIA MEDIA.
Dec 22, 6:40 AM CSTSNOW 3Dubuque, IATOTAL SO FAR. BLOWING SNOW.
Dec 22, 6:42 AM CSTSNOW 5Blue Grass, IASO FAR. VIA FACEBOOK.
Dec 22, 6:43 AM CSTSNOW 32 Wnw Freeport, ILSTILL SNOWING HEAVILY AT TIME OF REPORT.
Dec 22, 6:54 AM CSTSNOW 3.14 W Maquoketa, IATOTAL SO FAR. STILL SNOWING HEAVY. SNOW DEPTH IS 4 INCHES.
Dec 22, 6:57 AM CSTSNOW 5.9Coggon, IATOTAL SO FAR.
Dec 22, 7:00 AM CSTSNOW 5W Pleasant Plain, IASTORM TOTAL. DELAYED REPORT.
Dec 22, 7:00 AM CSTSNOW 5.8Delmar, IASTILL SNOWING. VIA FACEBOOK.
Dec 22, 7:09 AM CSTSNOW 1.62 Ne Colusa, ILTOTAL
Dec 22, 7:09 AM CSTSNOW 6Charlotte, IASINCE 10PM. SNOW DEPTH IS 7 INCHES.
Dec 22, 7:10 AM CSTSNOW 3.5Aledo, ILTOTAL. SNOW DEPTH IS 4 INCHES.
Dec 22, 7:12 AM CSTSNOW 2.53 Ene Charlie Heath Mem, MOTOTAL. SNOW HAS ALMOST STOPPED.
Dec 22, 7:12 AM CSTSNOW 5Wnw Parnell, IASNOW BLOWING AND DRIFTING
Dec 22, 7:13 AM CSTSNOW 4.95 Nw Cedar Rapids, IATOTAL SO FAR. STILL MODERATE SNOW.
Dec 22, 7:15 AM CSTSNOW 5Lowden, IASO FAR. SNOW DEPTH IS 6 INCHES.
Dec 22, 7:15 AM CSTSNOW 5.52 Ne Fulton, ILSTILL SNOWING AT TIME OF REPORT
Dec 22, 7:25 AM CSTSNOW 61 S Edgewood, IASO FAR.
Dec 22, 7:27 AM CSTSNOW 5.5S Wellman, IATOTAL SO FAR.
Dec 22, 7:30 AM CSTSNOW 45 Nnw Greensburg, MOSTORM TOTAL.
Dec 22, 7:30 AM CSTSNOW 4.5Charlotte, IATOTAL. VIA ESPOTTER.
Dec 22, 7:30 AM CSTSNOW 5.3Dewitt, IASTILL LIGHT SNOW AT TIME OF REPORT.
Dec 22, 7:30 AM CSTSNOW 5.4Freeport, IL24HR TOTAL SOR FAR. SNOW DEPTH IS 6 INCHES.
Dec 22, 7:31 AM CSTSNOW 4.23 Ene Rock Falls, ILTOTAL SO FAR.
Dec 22, 7:32 AM CSTSNOW 32 N New Windsor, ILTOTAL.
Dec 22, 7:32 AM CSTSNOW 3.6Donnellson, IA24HR TOTAL. SNOW DEPTH IS 4 INCHES.
Dec 22, 7:32 AM CSTHEAVY SNOW 64 E What Cheer, IATOTAL. BLOWING AND DRIFTING TO 12 INCHES.
Dec 22, 7:34 AM CSTSNOW 2.51 Ene Fort Madison, IATOTAL.
Dec 22, 7:35 AM CSTSNOW 4.5Washington, IATOTAL. SNOW DEPTH IS 5.
Dec 22, 7:35 AM CSTSNOW 5Galena, ILSTILL SNOWING. SNOW DEPTH 7 INCHES.
Dec 22, 7:35 AM CSTSNOW 5.51 Sw North Liberty, IATOTAL SO FAR.
Dec 22, 7:36 AM CSTSNOW 31 Ene Muscatine, IATOTAL. NORTH WIND 10-15.
Dec 22, 7:38 AM CSTHEAVY SNOW 61 Ese Washington, IATOTAL.
Dec 22, 7:40 AM CSTSNOW 4.5Keosauqua, IA24HR TOTAL. SNOW DEPTH IS 5 INCHES.
Dec 22, 7:41 AM CSTSNOW 4.83 Nne Downing, MOTOTAL.

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, 9.0 hours before the alert went out and 47 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 2013-12-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 8 joules per kilogram.LCLEL10008507005003002001001 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 2013-12-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 198 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
8 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
377 m above ground
0-6 km bulk shear
75 kt
0-1 km storm-relative helicity
198 m²/s²
0-3 km storm-relative helicity
235 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 202102
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
302 PM CST FRI DEC 20 2013

...A WINTER STORM WILL IMPACT THE MIDWEST SATURDAY AFTERNOON AND
SUNDAY...

.A TRAVEL MESS IS EXPECTED IN IOWA AND ILLINOIS AND NORTHEAST
MISSOURI SATURDAY AFTERNOON THROUGH SUNDAY AFTERNOON. A STORM
SYSTEM WILL BRING HEAVY SNOW...SLEET...AND FREEZING RAIN TO THE
REGION. AT THIS TIME...A DANGEROUS MIX OF FREEZING RAIN AND SLEET
IS EXPECTED TO DEVELOP IN WEST CENTRAL ILLINOIS AND CENTRAL
ILLINOIS DURING THE MID AFTERNOON HOURS. SATURDAY EVENING...AND
OVERNIGHT...SNOW AND SLEET WILL SPREAD NORTH AND WEST...AFFECTING
MUCH OF IOWA AND SOUTHERN WISCONSIN. HEAVY SNOW TOTALS OF 5 TO 8
INCHES ARE ANTICIPATED IN MUCH OF IOWA...NORTHEAST MISSOURI...AND
FAR NORTHWEST ILLINOIS. LOWER AMOUNTS OF SNOW...GENERALLY 2 TO 5
INCHES ARE EXPECTED FARTHER EAST...WITH MORE OF THE PRECIPITATION
FALLING AS SLEET AND FREEZING RAIN THAN SNOW. IN ALL
LOCATIONS...BLOWING SNOW WILL BE A THREAT SUNDAY MORNING THROUGH
AFTERNOON AS NORTHWEST WINDS BRING VERY COLD AIR INTO THE REGION.

ILZ016>018-025-026-034-035-210515-
/O.NEW.KDVN.WS.W.0005.131221T2100Z-131223T0000Z/
HENRY IL-BUREAU-PUTNAM-HENDERSON-WARREN-HANCOCK-MCDONOUGH-
INCLUDING THE CITIES OF...KEWANEE...PRINCETON...HENNEPIN...
OQUAWKA...MONMOUTH...CARTHAGE...MACOMB
302 PM CST FRI DEC 20 2013

...WINTER STORM WARNING IN EFFECT FROM 3 PM SATURDAY TO 6 PM CST
SUNDAY...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WINTER
STORM WARNING FOR SLEET...FREEZING RAIN AND SNOW...WHICH IS IN EFFECT
FROM 3 PM SATURDAY TO 6 PM CST SUNDAY.

* TIMING...SLEET AND FREEZING RAIN BEGINS SATURDAY AFTERNOON WITH
  SNOW LATE SATURDAY NIGHT INTO SUNDAY MORNING.

* SNOW ACCUMULATIONS...2 TO 5 INCHES.

* ICE ACCUMULATIONS...UP TO A TENTH OF AN INCH. SLEET ACCUMULATION
  OF 1/2 TO 1 INCH.

* WINDS...NORTH 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* VISIBILITIES...AS LOW AS 1/2 MILE IN SNOW LATE SATURDAY NIGHT.

* TEMPERATURES...IN THE UPPER 20S.


* IMPACTS...TRAVEL WILL BE VERY DANGEROUS ON TREATED AND SNOW
  COVERED ROADS...SO ONLY TRAVEL IN AN EMERGENCY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015-024-MOZ009-010-210515-
/O.NEW.KDVN.WS.W.0005.131222T0000Z-131223T0000Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JEFFERSON-
HENRY IA-DES MOINES-VAN BUREN-LEE-JO DAVIESS-STEPHENSON-CARROLL-
WHITESIDE-ROCK ISLAND-MERCER-SCOTLAND-CLARK-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO...
IOWA CITY...TIPTON...CLINTON...MUSCATINE...BETTENDORF...
DAVENPORT...SIGOURNEY...WASHINGTON...WAPELLO...FAIRFIELD...
MOUNT PLEASANT...BURLINGTON...KEOSAUQUA....FORT MADISON...
GALENA...FREEPORT...MOUNT CARROLL...STERLING...ROCK FALLS...
MOLINE...ROCK ISLAND...ALEDO...MEMPHIS...KAHOKA
302 PM CST FRI DEC 20 2013

...WINTER STORM WARNING IN EFFECT FROM 6 PM SATURDAY TO 6 PM CST
SUNDAY...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT
FROM 6 PM SATURDAY TO 6 PM CST SUNDAY.

* TIMING...SNOW WILL DEVELOP BY EARLY TO MID EVENING SATURDAY AND
  WILL BE HEAVY OVERNIGHT. SLEET WILL MIX WITH THE SNOW AT TIMES
  IN COUNTIES NEAR THE MISSISSIPPI RIVER AND IN ILLINOIS.

* SNOW ACCUMULATIONS...5 TO 9 INCHES.

* ICE ACCUMULATIONS...AROUND A TRACE. SLEET ACCUMULATION UP TO 1/2
  INCH. 

* WINDS...NORTH 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* VISIBILITIES...AS LOW AS 1/4 MILE IN HEAVY SNOW AND BLOWING SNOW
  SATURDAY NIGHT AND SUNDAY MORNING.

* TEMPERATURES...IN THE MID 20S.


* IMPACTS...HEAVY SNOW AND BLOWING SNOW WILL MAKE TRAVEL VERY
  DANGEROUS...SO ONLY TRAVEL IN AN EMERGENCY AND TAKE YOUR WINTER
  SURVIVAL KIT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS 6 TO 7 INCHES OR MORE
OF SNOW FALLING AT INTENSE RATES OF 1-2 INCHES PER HOUR... IS
EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY DANGEROUS OR
IMPOSSIBLE...SO ONLY TRAVEL IN AN EMERGENCY AND TAKE YOUR WINTER
SURVIVAL KIT.

&&

$$


ERVIN
9 follow-up statements
116 
WWUS43 KDVN 210214
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
814 PM CST FRI DEC 20 2013

...WINTER STORM WILL IMPACT THE MIDWEST SATURDAY AFTERNOON AND
SUNDAY...

.A STORM SYSTEM WILL BRING HEAVY SNOW...SLEET...AND FREEZING RAIN
TO EASTERN IOWA...NORTHEAST MISSOURI AND NORTHWEST ILLINOIS
SATURDAY AFTERNOON THROUGH SUNDAY AFTERNOON. A DANGEROUS MIX OF
FREEZING RAIN AND SLEET IS EXPECTED TO DEVELOP IN NORTHEAST
MISSOURI AND WEST CENTRAL ILLINOIS DURING THE DAY SATURDAY. 
SATURDAY EVENING AND OVERNIGHT...SNOW AND SLEET WILL SPREAD NORTH
AND WEST...AFFECTING THE EASTERN HALF OF IOWA AND NORTHWEST
ILLINOIS...WHERE SNOWFALL TOTALS OF 5 TO 9 INCHES ARE EXPECTED.
LIGHTER AMOUNTS OF SNOW ARE EXPECTED FURTHER EAST AND SOUTHEAST...
WHERE MORE OF THE PRECIPITATION WILL FALL AS SLEET AND FREEZING
RAIN. BLOWING SNOW WILL BE A THREAT OVER THE ENTIRE AREA SUNDAY AS
NORTHWEST WINDS BRING VERY COLD AIR INTO THE REGION.

ILZ016>018-025-026-034-035-211015-
/O.CON.KDVN.WS.W.0005.131221T2100Z-131223T0000Z/
HENRY IL-BUREAU-PUTNAM-HENDERSON-WARREN-HANCOCK-MCDONOUGH-
INCLUDING THE CITIES OF...KEWANEE...PRINCETON...HENNEPIN...
OQUAWKA...MONMOUTH...CARTHAGE...MACOMB
814 PM CST FRI DEC 20 2013

...WINTER STORM WARNING REMAINS IN EFFECT FROM 3 PM SATURDAY TO
6 PM CST SUNDAY...

* TIMING...SLEET AND FREEZING RAIN BEGINS SATURDAY AFTERNOON WITH
  SNOW LATE SATURDAY NIGHT INTO SUNDAY MORNING. SNOW WILL DIMINISH
  TO FLURRIES LATE SUNDAY AFTERNOON. 

* SNOW ACCUMULATIONS...2 TO 5 INCHES.

* ICE ACCUMULATIONS...UP TO A TENTH OF AN INCH. SLEET 
  ACCUMULATION OF 1/2 TO 1 INCH.

* WINDS...NORTH TO NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS UP TO
  30 MPH SUNDAY.

* VISIBILITIES...AS LOW AS ONE HALF MILE DUE TO SNOW AND BLOWING
  SNOW LATE SATURDAY NIGHT AND SUNDAY.

* TEMPERATURES...IN THE UPPER 20S.

* IMPACTS...THE MIX OF FREEZING RAIN...SLEET AND SNOW WILL RESULT
  IN ICE AND SNOW COVERED ROADS. BLOWING SNOW SUNDAY WILL CONTINUE
  ACCUMULATE ON ROADS IN OPEN AREAS AND ALSO RESULT IN AREAS OF
  POOR VISIBILITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015-024-MOZ009-010-211015-
/O.CON.KDVN.WS.W.0005.131222T0000Z-131223T0000Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JEFFERSON-
HENRY IA-DES MOINES-VAN BUREN-LEE-JO DAVIESS-STEPHENSON-CARROLL-
WHITESIDE-ROCK ISLAND-MERCER-SCOTLAND-CLARK-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO...
IOWA CITY...TIPTON...CLINTON...MUSCATINE...BETTENDORF...
DAVENPORT...SIGOURNEY...WASHINGTON...WAPELLO...FAIRFIELD...
MOUNT PLEASANT...BURLINGTON...KEOSAUQUA....FORT MADISON...
GALENA...FREEPORT...MOUNT CARROLL...STERLING...ROCK FALLS...
MOLINE...ROCK ISLAND...ALEDO...MEMPHIS...KAHOKA
814 PM CST FRI DEC 20 2013

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM SATURDAY TO
6 PM CST SUNDAY...

* TIMING...SNOW WILL DEVELOP SATURDAY EVENING AND WILL BE HEAVY
  OVERNIGHT INTO EARLY SUNDAY. SLEET MAY BE MIXED WITH THE SNOW AT
  TIMES IN THE EVENING. SNOW WILL DIMINISH TO FLURRIES SUNDAY
  AFTERNOON.

* SNOW ACCUMULATIONS...5 TO 9 INCHES.

* ICE ACCUMULATIONS...AROUND A TRACE. SLEET ACCUMULATION UP TO 
  1/2 INCH.

* WINDS...15 TO 25 MPH WITH GUSTS UP TO 30 MPH FROM THE NORTHWEST SUNDAY.

* VISIBILITIES...AS LOW AS 1/4 MILE IN HEAVY SNOW OR BLOWING SNOW
  SATURDAY NIGHT THROUGH SUNDAY.

* TEMPERATURES...IN THE MID 20S.

* IMPACTS...SNOW WILL ACCUMULATE QUICKLY AND COVER AREA ROADWAYS
  SATURDAY EVENING AND CREATE DIFFICULT TRAVEL CONDITIONS
  OVERNIGHT INTO EARLY SUNDAY. BLOWING SNOW THROUGH THE DAY SUNDAY WILL
  CONTINUE ACCUMULATE ON ROADS IN OPEN AREAS AND ALSO RESULT IN
  AREAS OF POOR VISIBILITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS 6 TO 7 INCHES OR MORE
OF SNOW FALLING AT INTENSE RATES OF 1-2 INCHES PER HOUR...IS
EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY DANGEROUS OR
IMPOSSIBLE. TRAVEL ONLY IN AN EMERGENCY AND TAKE YOUR WINTER
SURVIVAL KIT.

&&

$$

SHEETS
734 
WWUS43 KDVN 210335
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
935 PM CST FRI DEC 20 2013

...WINTER STORM WILL IMPACT THE MIDWEST SATURDAY AFTERNOON AND
SUNDAY...

.A STORM SYSTEM WILL BRING HEAVY SNOW...SLEET...AND FREEZING RAIN
TO EASTERN IOWA...NORTHEAST MISSOURI AND NORTHWEST ILLINOIS
SATURDAY AFTERNOON THROUGH SUNDAY AFTERNOON. A DANGEROUS MIX OF
FREEZING RAIN AND SLEET IS EXPECTED TO DEVELOP IN NORTHEAST
MISSOURI AND WEST CENTRAL ILLINOIS DURING THE DAY SATURDAY.
SATURDAY EVENING AND OVERNIGHT...SNOW AND SLEET WILL SPREAD NORTH
AND WEST...AFFECTING THE EASTERN HALF OF IOWA AND NORTHWEST
ILLINOIS...WHERE SNOWFALL TOTALS OF 5 TO 9 INCHES ARE EXPECTED.
LIGHTER AMOUNTS OF SNOW ARE EXPECTED FURTHER EAST AND SOUTHEAST...
WHERE MORE OF THE PRECIPITATION WILL FALL AS SLEET AND FREEZING
RAIN. BLOWING SNOW WILL BE A THREAT OVER THE ENTIRE AREA SUNDAY
AS NORTHWEST WINDS BRING VERY COLD AIR INTO THE REGION.

IAZ099-MOZ009-010-211145-
/O.EXT.KDVN.WS.W.0005.131221T2100Z-131223T0000Z/
LEE-SCOTLAND-CLARK-
INCLUDING THE CITIES OF...FORT MADISON...MEMPHIS...KAHOKA
935 PM CST FRI DEC 20 2013

...WINTER STORM WARNING NOW IN EFFECT FROM 3 PM SATURDAY TO 6 PM
CST SUNDAY...

* TIMING...SLEET AND FREEZING RAIN WILL BEGIN SATURDAY AFTERNOON
  WITH SNOW LATE SATURDAY NIGHT INTO SUNDAY MORNING. SNOW WILL
  DIMINISH TO FLURRIES LATE SUNDAY AFTERNOON.

* SNOW ACCUMULATIONS...3 TO 6 INCHES.

* ICE ACCUMULATIONS...UP TO A TENTH OF AN INCH. SLEET ACCUMULATION
  OF 1/2 TO 1 INCH.

* WINDS...NORTH TO NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS UP TO
  30 MPH SUNDAY.

* VISIBILITIES...AS LOW AS 1/4 MILE IN HEAVY SNOW OR BLOWING 
  SNOW SATURDAY NIGHT THROUGH SUNDAY.

* TEMPERATURES...IN THE UPPER 20S.

* IMPACTS...THE MIX OF FREEZING RAIN...SLEET AND SNOW WILL RESULT
  IN ICE AND SNOW COVERED ROADS. BLOWING SNOW SUNDAY WILL CONTINUE
  ACCUMULATE ON ROADS IN OPEN AREAS AND ALSO RESULT IN AREAS OF
  POOR VISIBILITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS 6 TO 7 INCHES OR MORE
OF SNOW FALLING AT INTENSE RATES OF 1-2 INCHES PER HOUR...IS
EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY DANGEROUS OR
IMPOSSIBLE. TRAVEL ONLY IN AN EMERGENCY AND TAKE YOUR WINTER
SURVIVAL KIT.

&&

$$

ILZ016>018-025-026-034-035-211145-
/O.CON.KDVN.WS.W.0005.131221T2100Z-131223T0000Z/
HENRY IL-BUREAU-PUTNAM-HENDERSON-WARREN-HANCOCK-MCDONOUGH-
INCLUDING THE CITIES OF...KEWANEE...PRINCETON...HENNEPIN...
OQUAWKA...MONMOUTH...CARTHAGE...MACOMB
935 PM CST FRI DEC 20 2013

...WINTER STORM WARNING REMAINS IN EFFECT FROM 3 PM SATURDAY TO
6 PM CST SUNDAY...

* TIMING...SLEET AND FREEZING RAIN WILL BEGIN SATURDAY AFTERNOON
  WITH SNOW LATE SATURDAY NIGHT INTO SUNDAY MORNING. SNOW WILL
  DIMINISH TO FLURRIES LATE SUNDAY AFTERNOON.

* SNOW ACCUMULATIONS...2 TO 5 INCHES.

* ICE ACCUMULATIONS...UP TO A TENTH OF AN INCH. SLEET 
  ACCUMULATION OF 1/2 TO 1 INCH.

* WINDS...NORTH TO NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS UP TO 
  30 MPH SUNDAY.

* VISIBILITIES...AS LOW AS ONE HALF MILE DUE TO SNOW AND BLOWING 
  SNOW LATE SATURDAY NIGHT AND SUNDAY.

* TEMPERATURES...IN THE UPPER 20S.

* IMPACTS...THE MIX OF FREEZING RAIN...SLEET AND SNOW WILL 
  RESULT IN ICE AND SNOW COVERED ROADS. BLOWING SNOW SUNDAY WILL 
  CONTINUE ACCUMULATE ON ROADS IN OPEN AREAS AND ALSO RESULT IN 
  AREAS OF POOR VISIBILITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IAZ040>042-051>054-063>068-076>078-087>089-098-ILZ001-002-007-009-
015-024-211145-
/O.CON.KDVN.WS.W.0005.131222T0000Z-131223T0000Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JEFFERSON-
HENRY IA-DES MOINES-VAN BUREN-JO DAVIESS-STEPHENSON-CARROLL-
WHITESIDE-ROCK ISLAND-MERCER-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO...
IOWA CITY...TIPTON...CLINTON...MUSCATINE...BETTENDORF...
DAVENPORT...SIGOURNEY...WASHINGTON...WAPELLO...FAIRFIELD...
MOUNT PLEASANT...BURLINGTON...KEOSAUQUA....GALENA...FREEPORT...
MOUNT CARROLL...STERLING...ROCK FALLS...MOLINE...ROCK ISLAND...
ALEDO
935 PM CST FRI DEC 20 2013

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM SATURDAY TO
6 PM CST SUNDAY...

* TIMING...SNOW WILL DEVELOP SATURDAY EVENING AND WILL BE HEAVY 
  OVERNIGHT INTO EARLY SUNDAY. SLEET MAY BE MIXED WITH THE SNOW 
  AT TIMES IN THE EVENING. SNOW WILL DIMINISH TO FLURRIES SUNDAY 
  AFTERNOON.

* SNOW ACCUMULATIONS...5 TO 9 INCHES.

* ICE ACCUMULATIONS...AROUND A TRACE. SLEET ACCUMULATION UP TO 
  1/2 INCH.

* WINDS...15 TO 25 MPH WITH GUSTS UP TO 30 MPH FROM THE 
  NORTHWEST SUNDAY.

* VISIBILITIES...AS LOW AS 1/4 MILE IN HEAVY SNOW OR BLOWING 
  SNOW SATURDAY NIGHT THROUGH SUNDAY.

* TEMPERATURES...IN THE MID 20S.

* IMPACTS...SNOW WILL ACCUMULATE QUICKLY AND COVER AREA ROADWAYS 
  SATURDAY EVENING AND CREATE DIFFICULT TRAVEL CONDITIONS 
  OVERNIGHT INTO EARLY SUNDAY. BLOWING SNOW THROUGH THE DAY 
  SUNDAY WILL CONTINUE ACCUMULATE ON ROADS IN OPEN AREAS AND 
  ALSO RESULT IN AREAS OF POOR VISIBILITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS 6 TO 7 INCHES OR MORE
OF SNOW FALLING AT INTENSE RATES OF 1-2 INCHES PER HOUR...IS
EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY DANGEROUS OR
IMPOSSIBLE. TRAVEL ONLY IN AN EMERGENCY AND TAKE YOUR WINTER
SURVIVAL KIT.

&&

$$

SHEETS
559 
WWUS43 KDVN 210953
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
353 AM CST SAT DEC 21 2013

...WINTER STORM WILL IMPACT THE MIDWEST TODAY AND SUNDAY...

.A STORM SYSTEM WILL BRING HEAVY SNOW...SLEET...AND FREEZING RAIN
TO EASTERN IOWA...NORTHEAST MISSOURI AND NORTHWEST ILLINOIS
TODAY THROUGH SUNDAY AFTERNOON. A DANGEROUS MIX OF FREEZING RAIN
AND SLEET IS EXPECTED TO DEVELOP IN NORTHEAST MISSOURI...EXTREME
SOUTHEAST IOWA AND WEST CENTRAL ILLINOIS BY LATE MORNING. LATER
THIS EVENING AND OVERNIGHT...SNOW AND SLEET WILL SPREAD NORTH AND
WEST...AFFECTING THE EASTERN HALF OF IOWA AND NORTHWEST
ILLINOIS...WHERE SNOWFALL TOTALS OF 5 TO 9 INCHES ARE EXPECTED.
LIGHTER AMOUNTS OF SNOW ARE EXPECTED FURTHER EAST AND SOUTHEAST...
WHERE MORE OF THE PRECIPITATION WILL FALL AS SLEET AND FREEZING
RAIN. BLOWING SNOW WILL BE A THREAT OVER THE ENTIRE AREA SUNDAY AS
NORTHWEST WINDS BRING VERY COLD AIR INTO THE REGION.

IAZ099-ILZ016>018-025-026-034-035-MOZ009-010-211800-
/O.EXT.KDVN.WS.W.0005.131221T1500Z-131223T0000Z/
LEE-HENRY IL-BUREAU-PUTNAM-HENDERSON-WARREN-HANCOCK-MCDONOUGH-
SCOTLAND-CLARK-
INCLUDING THE CITIES OF...FORT MADISON...KEWANEE...PRINCETON...
HENNEPIN...OQUAWKA...MONMOUTH...CARTHAGE...MACOMB...MEMPHIS...
KAHOKA
353 AM CST SAT DEC 21 2013

...WINTER STORM WARNING NOW IN EFFECT FROM 9 AM THIS MORNING TO
6 PM CST SUNDAY...

* TIMING...SLEET AND FREEZING RAIN BEGINS MID MORNING WITH THE
  WINTRY MIXTURE SWITCHING OVER TO SNOW LATE TONIGHT INTO
  SUNDAY MORNING. SNOW WILL DIMINISH TO FLURRIES LATE SUNDAY
  AFTERNOON.

* SNOW ACCUMULATIONS...2 TO 5 INCHES.

* ICE ACCUMULATIONS...UP TO A TWO TENTHS OF AN INCH. SLEET 
  ACCUMULATION OF 1/2 TO 1 INCH.

* WINDS...NORTH TO NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS UP TO
  30 MPH SUNDAY.

* VISIBILITIES...AS LOW AS ONE HALF MILE DUE TO SNOW AND BLOWING
  SNOW LATE TONIGHT AND SUNDAY.

* TEMPERATURES...IN THE UPPER 20S TO LOWER 30S TODAY...UPPER 20S
  TONIGHT.

* IMPACTS...THE MIX OF FREEZING RAIN...SLEET AND SNOW WILL RESULT
  IN ICE AND SNOW COVERED ROADS. BLOWING SNOW SUNDAY WILL CONTINUE
  ACCUMULATE ON ROADS IN OPEN AREAS AND ALSO RESULT IN AREAS OF
  POOR VISIBILITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IAZ040>042-051>054-063>068-076>078-087>089-098-ILZ001-002-007-009-
015-024-211800-
/O.CON.KDVN.WS.W.0005.131222T0000Z-131223T0000Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JEFFERSON-
HENRY IA-DES MOINES-VAN BUREN-JO DAVIESS-STEPHENSON-CARROLL-
WHITESIDE-ROCK ISLAND-MERCER-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO...
IOWA CITY...TIPTON...CLINTON...MUSCATINE...BETTENDORF...
DAVENPORT...SIGOURNEY...WASHINGTON...WAPELLO...FAIRFIELD...
MOUNT PLEASANT...BURLINGTON...KEOSAUQUA....GALENA...FREEPORT...
MOUNT CARROLL...STERLING...ROCK FALLS...MOLINE...ROCK ISLAND...
ALEDO
353 AM CST SAT DEC 21 2013

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

* TIMING...SNOW WILL DEVELOP THIS EVENING AND WILL BE HEAVY 
  OVERNIGHT INTO EARLY SUNDAY. SLEET MAY BE MIXED WITH THE SNOW 
  AT TIMES IN THE EVENING. SNOW WILL DIMINISH TO FLURRIES SUNDAY 
  AFTERNOON.

* SNOW ACCUMULATIONS...5 TO 9 INCHES.

* ICE ACCUMULATIONS...UNDER A TENTH OF AN INCH. SLEET ACCUMULATION UP
  TO 1/2 INCH.

* WINDS...15 TO 25 MPH WITH GUSTS UP TO 30 MPH FROM THE 
  NORTHWEST SUNDAY.

* VISIBILITIES...AS LOW AS 1/4 MILE IN HEAVY SNOW OR BLOWING SNOW
  LATE TONIGHT THROUGH SUNDAY.

* TEMPERATURES...25 TO 30 TODAY...LOW TO MID 20S TONIGHT.

* IMPACTS...SNOW WILL ACCUMULATE QUICKLY AND COVER AREA ROADWAYS 
  THIS EVENING AND CREATE DIFFICULT TRAVEL CONDITIONS 
  OVERNIGHT INTO EARLY SUNDAY. BLOWING SNOW THROUGH THE DAY 
  SUNDAY WILL CONTINUE ACCUMULATE ON ROADS IN OPEN AREAS AND 
  ALSO RESULT IN AREAS OF POOR VISIBILITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS 6 TO 7 INCHES OR MORE
OF SNOW FALLING AT INTENSE RATES OF 1-2 INCHES PER HOUR...IS
EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY DANGEROUS OR
IMPOSSIBLE. TRAVEL ONLY IN AN EMERGENCY AND TAKE YOUR WINTER
SURVIVAL KIT.

&&

$$

12/DLF
585 
WWUS43 KDVN 211800
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1200 PM CST SAT DEC 21 2013

...WINTER STORM IMPACTING THE MIDWEST THROUGH SUNDAY...

.A STORM SYSTEM NOW MOVING INTO THE MIDWEST WILL BRING A MIXTURE
OF FREEZING RAIN...SLEET...AND SNOW TO EASTERN IOWA...NORTHEAST
MISSOURI AND NORTHWEST ILLINOIS. PERIODS OF FREEZING RAIN AND
SLEET WILL CONTINUE OVER NORTHEAST MISSOURI...EXTREME SOUTHEAST
IOWA...AND WEST CENTRAL ILLINOIS THROUGH THE AFTERNOON. THIS
EVENING...SNOW AND SLEET WILL EXPAND NORTH AND WEST...AFFECTING
NORTHERN ILLINOIS AND THE EASTERN HALF OF IOWA. SNOWFALL TOTALS
OF 5 TO 9 INCHES ARE POSSIBLE BY THE TIME THE SNOW ENDS SUNDAY. LIGHTER
AMOUNTS OF SNOW ARE EXPECTED FARTHER EAST AND SOUTHEAST...WHERE
MORE OF THE PRECIPITATION WILL FALL AS SLEET AND FREEZING RAIN.
BLOWING SNOW WILL BE A THREAT OVER THE ENTIRE AREA SUNDAY AS
NORTHWEST WINDS BRING VERY COLD AIR INTO THE REGION.

IAZ099-ILZ016>018-025-026-034-035-MOZ009-010-220200-
/O.CON.KDVN.WS.W.0005.000000T0000Z-131223T0000Z/
LEE-HENRY IL-BUREAU-PUTNAM-HENDERSON-WARREN-HANCOCK-MCDONOUGH-
SCOTLAND-CLARK-
INCLUDING THE CITIES OF...FORT MADISON...KEWANEE...PRINCETON...
HENNEPIN...OQUAWKA...MONMOUTH...CARTHAGE...MACOMB...MEMPHIS...
KAHOKA
1200 PM CST SAT DEC 21 2013

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

* TIMING...FREEZING RAIN AND SLEET THIS AFTERNOON...CHANGING TO
  SNOW OVERNIGHT. 

* SNOW ACCUMULATIONS...1 TO 5 INCHES.

* ICE ACCUMULATIONS...UP TO A TENTH OF AN INCH.

* WINDS...NORTH 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* TEMPERATURES...IN THE UPPER 20S.

* IMPACTS...TRAVEL WILL BE TREACHEROUS DUE TO ICE TODAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IAZ040>042-051>054-063>068-076>078-087>089-098-ILZ001-002-007-009-
015-024-220200-
/O.CON.KDVN.WS.W.0005.131222T0000Z-131223T0000Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JEFFERSON-
HENRY IA-DES MOINES-VAN BUREN-JO DAVIESS-STEPHENSON-CARROLL-
WHITESIDE-ROCK ISLAND-MERCER-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO...
IOWA CITY...TIPTON...CLINTON...MUSCATINE...BETTENDORF...
DAVENPORT...SIGOURNEY...WASHINGTON...WAPELLO...FAIRFIELD...
MOUNT PLEASANT...BURLINGTON...KEOSAUQUA....GALENA...FREEPORT...
MOUNT CARROLL...STERLING...ROCK FALLS...MOLINE...ROCK ISLAND...
ALEDO
1200 PM CST SAT DEC 21 2013

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

* TIMING...SNOW BEGINNING EARLY THIS EVENING.

* SNOW ACCUMULATIONS...5 TO 8 INCHES.

* ICE ACCUMULATIONS...AROUND A TRACE.

* WINDS...NORTH 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* TEMPERATURES...IN THE MID 20S.

* IMPACTS...TRAVEL WILL BECOME INCREASINGLY DANGEROUS DURING THE
  EVENING DUE TO HEAVY SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS 6 TO 7 INCHES OR MORE
OF SNOW FALLING AT INTENSE RATES OF 1-2 INCHES PER HOUR...IS
EXPECTED OR OCCURRING. THIS WILL MAKE TRAVEL VERY DANGEROUS OR
IMPOSSIBLE. TRAVEL ONLY IN AN EMERGENCY AND TAKE YOUR WINTER
SURVIVAL KIT.

&&

$$

DMD
618 
WWUS43 KDVN 212133
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
333 PM CST SAT DEC 21 2013

...STRONG WINTER STORM IMPACTING THE MIDWEST THROUGH SUNDAY...

IAZ099-ILZ016>018-025-026-034-035-MOZ009-010-220545-
/O.CON.KDVN.WS.W.0005.000000T0000Z-131223T0000Z/
LEE-HENRY IL-BUREAU-PUTNAM-HENDERSON-WARREN-HANCOCK-MCDONOUGH-
SCOTLAND-CLARK-
INCLUDING THE CITIES OF...FORT MADISON...KEWANEE...PRINCETON...
HENNEPIN...OQUAWKA...MONMOUTH...CARTHAGE...MACOMB...MEMPHIS...
KAHOKA
333 PM CST SAT DEC 21 2013

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

* TIMING...A MIXTURE OF FREEZING RAIN AND SLEET THIS
  EVENING...THEN SNOW OVERNIGHT.

* SNOW ACCUMULATIONS...1 TO 4 INCHES.

* ICE ACCUMULATIONS...UP TO A TENTH OF AN INCH.

* WINDS...NORTH 10 TO 20 MPH WITH GUSTS UP TO 25 MPH.

* TEMPERATURES...IN THE UPPER 20S.

* WIND CHILL READINGS...AS LOW AS 12.

* IMPACTS...SIGNIFICANT IMPACTS TO TRAVEL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IAZ040>042-051>054-063>068-076>078-087>089-098-ILZ001-002-007-009-
015-024-220545-
/O.CON.KDVN.WS.W.0005.131222T0000Z-131223T0000Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JEFFERSON-
HENRY IA-DES MOINES-VAN BUREN-JO DAVIESS-STEPHENSON-CARROLL-
WHITESIDE-ROCK ISLAND-MERCER-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO...
IOWA CITY...TIPTON...CLINTON...MUSCATINE...BETTENDORF...
DAVENPORT...SIGOURNEY...WASHINGTON...WAPELLO...FAIRFIELD...
MOUNT PLEASANT...BURLINGTON...KEOSAUQUA....GALENA...FREEPORT...
MOUNT CARROLL...STERLING...ROCK FALLS...MOLINE...ROCK ISLAND...
ALEDO
333 PM CST SAT DEC 21 2013

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

* TIMING...SNOW BEGINNING THIS EVENING AND CONTINUING OVERNIGHT.

* SNOW ACCUMULATIONS...4 TO 8 INCHES.

* ICE ACCUMULATIONS...AROUND A TRACE.

* WINDS...NORTH 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* TEMPERATURES...IN THE MID 20S.

* WIND CHILL READINGS...AS LOW AS 4 ABOVE.

* IMPACTS...SIGNIFICANT IMPACTS TO TRAVEL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS 5 TO 7 INCHES OR MORE
OF SNOW FALLING AT INTENSE RATES OF 1-2 INCHES PER HOUR...IS
EXPECTED. THIS WILL MAKE TRAVEL VERY DANGEROUS OR IMPOSSIBLE.
TRAVEL ONLY IN AN EMERGENCY AND TAKE YOUR WINTER SURVIVAL KIT.

&&

$$

DMD
539 
WWUS43 KDVN 220118
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
718 PM CST SAT DEC 21 2013

...STRONG WINTER STORM IMPACTING THE MIDWEST THROUGH SUNDAY...

.SNOW WILL CONTINUE TO DEVELOP NORTHWARD OVER IOWA AND NORTHWEST
ILLINOIS LATE THIS EVENING. FARTHER SOUTHEAST...A MIX OF SNOW AND
SLEET IS EXPECTED TO CHANGE SO SNOW OVER SOUTHEAST IOWA AND
NORTHEAST MISSOURI BY 10 PM. ONCE SNOW CHANGES OVER...IT WILL
INCREASE IN INTENSITY AND BE HEAVY AT TIMES OVER NIGHT INTO EARLY
SUNDAY MORNING. SNOW TOTALS WILL DROP SIGNIFICANTLY INTO CENTRAL
AND WEST CENTRAL ILLINOIS AS MORE OF THE PRECIPITATION FALLS IN
THE FORM OF FREEZING RAIN AND SLEET. ALL LOCATIONS WILL SEE GUSTY
COLD NORTHWEST WINDS SUNDAY AND SUNDAY NIGHT...WITH BLOWING SNOW
IN OPEN AREAS.

IAZ099-ILZ016>018-025-026-034-035-MOZ009-010-220930-
/O.CON.KDVN.WS.W.0005.000000T0000Z-131223T0000Z/
LEE-HENRY IL-BUREAU-PUTNAM-HENDERSON-WARREN-HANCOCK-MCDONOUGH-
SCOTLAND-CLARK-
INCLUDING THE CITIES OF...FORT MADISON...KEWANEE...PRINCETON...
HENNEPIN...OQUAWKA...MONMOUTH...CARTHAGE...MACOMB...MEMPHIS...
KAHOKA
718 PM CST SAT DEC 21 2013

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

* TIMING...A MIXTURE OF FREEZING RAIN AND SLEET THIS EVENING... 
  THEN SNOW OVERNIGHT.

* SNOW ACCUMULATIONS...1 TO 5 INCHES.

* ICE ACCUMULATIONS...UP TO AN ADDITIONAL TENTH OF AN INCH.

* WINDS...NORTH 15 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* TEMPERATURES...IN THE UPPER 20S.

* IMPACTS...TRAVEL WILL BE TREACHEROUS DUE TO FREEZING RAIN AND
  SNOW. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IAZ040>042-051>054-063>068-076>078-087>089-098-ILZ001-002-007-009-
015-024-220930-
/O.CON.KDVN.WS.W.0005.000000T0000Z-131223T0000Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JEFFERSON-
HENRY IA-DES MOINES-VAN BUREN-JO DAVIESS-STEPHENSON-CARROLL-
WHITESIDE-ROCK ISLAND-MERCER-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO...
IOWA CITY...TIPTON...CLINTON...MUSCATINE...BETTENDORF...
DAVENPORT...SIGOURNEY...WASHINGTON...WAPELLO...FAIRFIELD...
MOUNT PLEASANT...BURLINGTON...KEOSAUQUA....GALENA...FREEPORT...
MOUNT CARROLL...STERLING...ROCK FALLS...MOLINE...ROCK ISLAND...
ALEDO
718 PM CST SAT DEC 21 2013

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

* TIMING...SNOW BEGINNING THIS EVENING AND CONTINUING HEAVY AT
  TIMES OVERNIGHT INTO EARLY SUNDAY MORNING. SLEET CAN ALSO BE EXPECTED
  OVER SOUTHEAST IOWA THROUGH THE QUAD CITIES THROUGH 10 PM.

* SNOW ACCUMULATIONS...5 TO 8 INCHES.

* ICE ACCUMULATIONS...AROUND A TRACE.

* WINDS...NORTH 15 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* TEMPERATURES...IN THE MID 20S.

* IMPACTS...TRAVEL WILL BE INCREASINGLY DANGEROUS THIS
  EVENING...AND BECOME VERY DANGEROUS OVERNIGHT DUE TO HEAVY SNOW
  AND BLOWING SNOW INTO SUNDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS 5 TO 7 INCHES OR MORE
OF SNOW FALLING AT INTENSE RATES OF 1-2 INCHES PER HOUR...IS
EXPECTED. THIS WILL MAKE TRAVEL VERY DANGEROUS OR IMPOSSIBLE.
TRAVEL ONLY IN AN EMERGENCY AND TAKE YOUR WINTER SURVIVAL KIT.

&&

$$

ERVIN
420 
WWUS43 KDVN 220954
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
354 AM CST SUN DEC 22 2013

...WINTER STORM CONTINUING TO IMPACT THE MIDWEST TODAY...

.SNOW WILL CONTINUE MOVE ACROSS THE AREA THROUGH THIS MORNING. THE
SNOW WILL ALSO CONTINUE TO INCREASE IN INTENSITY AND BE HEAVY AT
TIMES THROUGH SUNRISE AND MID MORNING BEFORE STARTING TO LIGHTEN
UP AND EXIT THE REGION TO THE NORTHEAST. SNOW ACCUMULATION TOTALS
WILL DROP SIGNIFICANTLY INTO CENTRAL AND WEST CENTRAL ILLINOIS AS
MORE OF THE PRECIPITATION HAS FALLEN IN THE FORM OF FREEZING RAIN
AND SLEET. GUSTY NORTHWEST WINDS WILL OCCUR TODAY WITH BLOWING AND
DRIFTING SNOW IN OPEN AREAS ESPECIALLY ALONG AND WEST OF THE
MISSISSIPPI RIVER.

IAZ099-ILZ016>018-025-026-034-035-MOZ009-010-221800-
/O.CON.KDVN.WS.W.0005.000000T0000Z-131223T0000Z/
LEE-HENRY IL-BUREAU-PUTNAM-HENDERSON-WARREN-HANCOCK-MCDONOUGH-
SCOTLAND-CLARK-
INCLUDING THE CITIES OF...FORT MADISON...KEWANEE...PRINCETON...
HENNEPIN...OQUAWKA...MONMOUTH...CARTHAGE...MACOMB...MEMPHIS...
KAHOKA
354 AM CST SUN DEC 22 2013

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

* TIMING...SNOW WITH SOME LINGERING SLEET THROUGH NOON. 

* SNOW ACCUMULATIONS...1 TO 4 INCHES.

* ICE ACCUMULATIONS...AROUND A TRACE. SOME ADDITIONAL SLEET
  ACCUMULATION POSSIBLE THROUGH SUNRISE.

* WINDS...NORTHWEST 10 TO 20 MPH WITH GUSTS UP TO 25 MPH.

* TEMPERATURES...IN THE UPPER 20S.

* IMPACTS...TRAVEL WILL BE TREACHEROUS FROM PREVIOUS FREEZING RAIN AND
  ADDITIONAL SNOWFALL. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

IAZ040>042-051>054-063>068-076>078-087>089-098-ILZ001-002-007-009-
015-024-221800-
/O.CON.KDVN.WS.W.0005.000000T0000Z-131223T0000Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JEFFERSON-
HENRY IA-DES MOINES-VAN BUREN-JO DAVIESS-STEPHENSON-CARROLL-
WHITESIDE-ROCK ISLAND-MERCER-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO...
IOWA CITY...TIPTON...CLINTON...MUSCATINE...BETTENDORF...
DAVENPORT...SIGOURNEY...WASHINGTON...WAPELLO...FAIRFIELD...
MOUNT PLEASANT...BURLINGTON...KEOSAUQUA....GALENA...FREEPORT...
MOUNT CARROLL...STERLING...ROCK FALLS...MOLINE...ROCK ISLAND...
ALEDO
354 AM CST SUN DEC 22 2013

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

* TIMING...SNOW...HEAVY AT TIMES CONTINUING THROUGH MID MORNING
  BEFORE DIMINISHING TOWARD NOON.

* SNOW ACCUMULATIONS...AN ADDITIONAL 1 TO 3 INCHES AFTER SUNRISE
  FOR TOTAL ACCUMULATION OF 4 TO 8 INCHES.

* WINDS...NORTH 15 TO 20 MPH WITH GUSTS 25 TO 30 MPH.

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

* IMPACTS...TRAVEL WILL BE DANGEROUS THIS MORNING DUE TO HEAVY
  SNOW AND BLOWING/DRIFTING SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS 5 TO 7 INCHES OR MORE
OF SNOW FALLING AT INTENSE RATES OF 1-2 INCHES PER HOUR...IS
EXPECTED. THIS WILL MAKE TRAVEL VERY DANGEROUS OR IMPOSSIBLE.
TRAVEL ONLY IN AN EMERGENCY AND TAKE YOUR WINTER SURVIVAL KIT.

&&

$$

12
541 
WWUS43 KDVN 221351
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
751 AM CST SUN DEC 22 2013

...WINTER STORM STARTING TO WIND DOWN...

.SNOW WILL CONTINUE TO MOVE OUT OF THE THROUGH LATE MORNING. BUT GUSTY
NORTHWEST WINDS WILL OCCUR TODAY AND PRODUCE CONSIDERABLE BLOWING AND
DRIFTING SNOW IN OPEN AREAS ESPECIALLY WEST OF THE MISSISSIPPI
RIVER AND NORTH OF HIGHWAY 30 IN NORTHWESTERN ILLINOIS.

IAZ099-ILZ016>018-025-026-034-035-MOZ009-010-221500-
/O.CAN.KDVN.WS.W.0005.000000T0000Z-131223T0000Z/
LEE-HENRY IL-BUREAU-PUTNAM-HENDERSON-WARREN-HANCOCK-MCDONOUGH-
SCOTLAND-CLARK-
INCLUDING THE CITIES OF...FORT MADISON...KEWANEE...PRINCETON...
HENNEPIN...OQUAWKA...MONMOUTH...CARTHAGE...MACOMB...MEMPHIS...
KAHOKA
751 AM CST SUN DEC 22 2013

...WINTER STORM WARNING IS CANCELLED...

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

THE SNOW WAS MOVING OUT OF THE AREA. SOME BLOWING AND DRIFTING
SNOW WILL OCCUR TODAY IN AREAS WEST OF THE MISSISSIPPI RIVER THAT
GO OVER 3 INCHES OF SNOWFALL.

$$

IAZ040>042-051>054-063>068-076>078-087>089-098-ILZ001-002-007-009-
015-024-222200-
/O.CON.KDVN.WS.W.0005.000000T0000Z-131223T0000Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JEFFERSON-
HENRY IA-DES MOINES-VAN BUREN-JO DAVIESS-STEPHENSON-CARROLL-
WHITESIDE-ROCK ISLAND-MERCER-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO...
IOWA CITY...TIPTON...CLINTON...MUSCATINE...BETTENDORF...
DAVENPORT...SIGOURNEY...WASHINGTON...WAPELLO...FAIRFIELD...
MOUNT PLEASANT...BURLINGTON...KEOSAUQUA....GALENA...FREEPORT...
MOUNT CARROLL...STERLING...ROCK FALLS...MOLINE...ROCK ISLAND...
ALEDO
751 AM CST SUN DEC 22 2013

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

* TIMING...SNOW...HEAVY AT TIMES CONTINUING THROUGH MID MORNING
  BEFORE DIMINISHING TOWARD NOON.

* SNOW ACCUMULATIONS...AN ADDITIONAL 1 TO 2 INCHES NORTH OF
  INTERSTATE 80 THIS MORNING FOR TOTAL ACCUMULATION OF 4 TO 8
  INCHES.

* WINDS...NORTHWEST 15 TO 20 MPH WITH GUSTS UP TO 30 MPH.

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

* IMPACTS...TRAVEL WILL BE DANGEROUS THIS MORNING DUE TO THE
  FALLING SNOW...AND CONSIDERABLE BLOWING/DRIFTING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS 5 TO 7 INCHES OR MORE
OF SNOW FALLING AT INTENSE RATES OF 1-2 INCHES PER HOUR...IS
EXPECTED. THIS WILL MAKE TRAVEL VERY DANGEROUS OR IMPOSSIBLE.
TRAVEL ONLY IN AN EMERGENCY AND TAKE YOUR WINTER SURVIVAL KIT.

&&

$$

12
254 
WWUS43 KDVN 221633
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1033 AM CST SUN DEC 22 2013

IAZ040>042-051>054-063>068-076>078-087>089-098-ILZ001-002-007-009-
015-024-221745-
/O.CAN.KDVN.WS.W.0005.000000T0000Z-131223T0000Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JEFFERSON-
HENRY IA-DES MOINES-VAN BUREN-JO DAVIESS-STEPHENSON-CARROLL-
WHITESIDE-ROCK ISLAND-MERCER-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO...
IOWA CITY...TIPTON...CLINTON...MUSCATINE...BETTENDORF...
DAVENPORT...SIGOURNEY...WASHINGTON...WAPELLO...FAIRFIELD...
MOUNT PLEASANT...BURLINGTON...KEOSAUQUA....GALENA...FREEPORT...
MOUNT CARROLL...STERLING...ROCK FALLS...MOLINE...ROCK ISLAND...
ALEDO
1033 AM CST SUN DEC 22 2013

...WINTER STORM WARNING IS CANCELLED...

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

THE ACCUMULATING SNOWFALL HAS ENDED ACROSS THE AREA. THIS
AFTERNOON AND EVENING WILL SEE FLURRIES MOVE ACROSS AREA WITH
LITTLE OR NO ADDITIONAL ACCUMULATION. NORTHWEST WINDS AT 10 TO 20
MPH WILL PERSIST THIS AFTERNOON AND EVENING AND LIKELY PRODUCE
SOME DRIFTING SNOW...BUT WIDESPREAD BLOWING SNOW WITH REDUCED
VISIBILITIES IS NOT EXPECTED. AS A RESULT...THE WINTER STORM
WARNING HAS BEEN CANCELLED.

$$

What forecasters said that day

The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Quad Cities, IA wrote its last area forecast discussion before this winter storm warning went out at Dec 20, 2:44 PM CST, 18 minutes earlier.

Area forecast discussion, Dec 20, 2:44 PM CST, 18 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
244 PM CST FRI DEC 20 2013

.SYNOPSIS...
ISSUED AT 242 PM CST FRI DEC 20 2013

LATEST SFC ANALYSIS SHOWS A SFC LOW PRESSURE AREA MOVING ACROSS
CENTRAL ILLINOIS...WITH AN INVERTED TROF EXTENDING TO THE NW INTO
IOWA.  DVN RADAR SHOWS A THIN BAND OF WHAT APPEARS TO BE -SN/-FZDZ
NW OF THE QCA...WITH AN AREA OF -FZRA/PL MOVING NE ACROSS WHITESIDE
AND CARROLL COUNTIES.  THE FREEZING LINE APPEARS TO BE ORIENTED FROM
NEAR MACOMB TO NEAR PRINCETON ILLINOIS.  TEMPERATURES AS OF 2 PM ARE
IN THE MIDDLE 20S IN THE NW PART OF THE CWFA...WITH SOME LOWER 30S
SE OF A LINE FROM STERLING TO KEOKUK. OFF TO THE WEST...A RIDGE OF
HIGH PRESSURE IS PUSHING INTO THE MO RIVER VALLEY.

&&

.SHORT TERM...(THIS EVENING)
ISSUED AT 242 PM CST FRI DEC 20 2013

LINGERING -FZDZ/-SN IN NE PORTIONS OF THE CWFA WILL CONTINUE TO
DIMINISH LATE THIS AFTERNOON...WITH PCPN COMING TO AN END BY EARLY
EVENING. LOW CLOUDS WILL PREVAIL OVERNIGHT...AS THE HIGH BUILDS INTO
THE AREA.  A WAVE WILL MOVE NE ALONG THE FRONTAL BOUNDARY TO THE
SOUTHEAST OF THE REGION OVERNIGHT...WITH SE PARTS OF THE CWFA SEEING
SOME -FZRA DEVELOPING TOWARDS DAYBREAK. TEMPERATURES WILL SLOWLY
DROP THIS EVENING AND OVERNIGHT...WITH LOWS IN THE TEENS NW...TO
UPPER 20S SOUTH AND EAST.

.LONG TERM...(SATURDAY THROUGH FRIDAY)
ISSUED AT 242 PM CST FRI DEC 20 2013

A WINTER STORM IS ON ITS WAY

MODEL DATA AND ANALYSIS CONFIRM A POWERFUL UPPER LEVEL LOW WILL
BECOME PHASED WITH THE PROGRESSIVE NORTHERN STREAM TROF TO CREATE A
STRONG LOW PRESSURE IN MISSOURI TO INDIANA SATURDAY. THIS TRACK IS
JUST FAR ENOUGH SOUTHEAST THAT MODELS ARE NOW KEEPING MUCH OF THE
FREEZING RAIN AND SLEET IN OUR SOUTHEASTERN 1/3 OR SO...VS MORE INTO
THE CENTRAL CWA. STILL...SLEET SHOULD AT LEAST BE A SIGNIFICANT
COMPONENT OF THE STORM OVER THE CENTRAL CWA ON EAST.  PRECEDING THE
UPPER LEVEL STORM...WAA PCPN WILL AFFECT THE SOUTHEAST 1/3 TO 1/2
SATURDAY MORNING AND AFTERNOON. IT APPEARS THIS IS SET UP FOR A
FREEZING RAIN AND SLEET EVENT THERE...AND WILL BEGIN A WINTER STORM
WARNING FOR MIXED FREEZING RAIN/SLEET/AND SNOW MID AFTERNOON.

FARTHER NORTHWEST...SNOW WILL BE MAINLY DOMINANT FROM VERY LATE
SATURDAY AFTERNOON INTO SATURDAY EVENING. MODELS ARE AS STRONG OR
STRONGER IN SHOWING DYNAMICS WITH THE DEFORMATION ZONE THROUGH THE
CWA SATURDAY EVENING THROUGH MID MORNING SUNDAY. SNOW RATES SHOULD
BE AT LEAST 10:1 IF NOT 12:1 DURING THIS PROCESS OF DEEP SATURATED
STRONG LIFT. THUS...SNOW TOTALS AS SUPPORTED BY HPC/WPC GUIDANCE ARE
LIKELY TO EXCEED 6 INCHES NORTHWEST OF A LINE FROM MOUNT PLEASANT TO
STERLING ILLINOIS. PENDING MESOSCALE DETAILS OF THE EVENT...A BAND
OF AROUND 8 INCHES SEEMS LIKELY JUST NORTHWEST OF THIS LINE WHERE
THE EVENT REMAINS PRIM ARLY SNOW. JUST TO THE EAST...A SIGNIFICANT
SLEET ANDS SNOW EVENT WILL OCCUR INTO SOUTHEAST IOWA AND NORTHEAST
ILLINOIS. 1/2 TO 1 INCH OF SLEET...WITH 2 TO 5 INCHES OF SNOW ON TOP
WILL LIKELY OCCUR THERE. THIS COMBINED WITH NORTHWEST WINDS OF 20 TO
30 MPH SUNDAY AND A EXTREMELY BUSY TRAVEL WEEKEND...WARRANTS ALL
COUNTIES INCLUDED IN A WINTER STORM WARNING. TRAVEL WILL BE GREATLY
IMPACTED BY THIS EVENT IN ALL LOCATIONS IN OUR CWA SATURDAY NIGHT
AND SUNDAY.

BEYOND...OUR FORECAST IS A MODEL BLEND...WHICH AGREES ON VERY COLD
AIR DOMINATING THE WEEK AHEAD...ESPECIALLY SUNDAY
NIGHT...MONDAY...AND MONDAY NIGHT. WIND CHILLS MAY REACH -20 TO -25
OVER THIS PERIOD.
ERVIN

&&

.AVIATION...(FOR THE 18Z TAFS THROUGH 18Z SATURDAY AFTERNOON)
ISSUED AT 1151 AM CST FRI DEC 20 2013

IFR/LIFR CONDITIONS WILL PREVAIL THROUGH THE TAF CYCLE. ONGOING
-FZRA/-FZDZ WILL GRADUALLY COME TO AN END THIS AFTERNOON...POSSIBLY
WITH A PL/SN MIX BRIEFLY BEFORE ENDING. WINDS WILL BE NORTHERLY
THROUGH THE PERIOD WITH SPEEDS AOB 10KTS AFTER 00Z. CIGS WILL
REMAIN BETWEEN 200-1000FT AGL...WHILE 2-4SM VSBYS PREVAIL. BRL MAY
SEE ANOTHER -FZRA/PL MIX MOVE INTO THE TAF SITE AFTER 12Z.

&&

.DVN WATCHES/WARNINGS/ADVISORIES...
IA...WINTER STORM WARNING FROM 6 PM SATURDAY TO 6 PM CST SUNDAY FOR
     BENTON-BUCHANAN-CEDAR-CLINTON-DELAWARE-DES MOINES-DUBUQUE-
     HENRY IA-IOWA-JACKSON-JEFFERSON-JOHNSON-JONES-KEOKUK-LEE-
     LINN-LOUISA-MUSCATINE-SCOTT-VAN BUREN-WASHINGTON.

IL...WINTER STORM WARNING FROM 6 PM SATURDAY TO 6 PM CST SUNDAY FOR
     CARROLL-JO DAVIESS-MERCER-ROCK ISLAND-STEPHENSON-WHITESIDE.

     WINTER STORM WARNING FROM 3 PM SATURDAY TO 6 PM CST SUNDAY FOR
     BUREAU-HANCOCK-HENDERSON-HENRY IL-MCDONOUGH-PUTNAM-WARREN.

MO...WINTER STORM WARNING FROM 6 PM SATURDAY TO 6 PM CST SUNDAY FOR
     CLARK-SCOTLAND.

&&

SYNOPSIS...14
SHORT TERM...14
LONG TERM...ERVIN
AVIATION...14
Hazardous weather outlook, Dec 20, 4:38 AM CST, 10 hours 24 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
438 AM CST FRI DEC 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-
438 AM CST FRI DEC 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

OCCASIONAL ROUNDS OF LIGHT FREEZING RAIN AND FREEZING DRIZZLE WILL
CONTINUE OVER MUCH OF THE AREA THROUGH AT LEAST NOON. ADDITIONAL
LIGHT ICE ACCUMULATIONS...LESS THAN A TENTH OF AN INCH...WILL BE MOST
LIKELY NORTHWEST OF A LINE FROM FREEPORT ILLINOIS...TO THE QUAD
CITIES...AND TO MEMPHIS MISSOURI. THERE IS A CHANCE THAT AREAS OF
LIGHT FREEZING RAIN AND FREEZING DRIZZLE MAY THEN LINGER INTO THE
AFTERNOON IN SOME LOCATIONS...BEFORE THE PRECIPITATION STARTS TO
DECREASE FROM WEST TO EAST AS THE AFTERNOON PROGRESSES.

THE FREEZING RAIN ADVISORY HAS BEEN EXTENDED THROUGH NOON TODAY
FOR GENERALLY THE NORTHWEST HALF OF THE OUTLOOK AREA. PLEASE SEE THE
LATEST WINTER WEATHER MESSAGE FOR FURTHER INFORMATION.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

A WINTER STORM WATCH IS IN EFFECT FOR THE ENTIRE OUTLOOK AREA FOR
SATURDAY NIGHT AND SUNDAY. A POTENT WINTER STORM SYSTEM MOVING OUT
OF THE SOUTHERN PLAINS WILL SPREAD FREEZING RAIN...SLEET AND SNOW
OVER THE AREA SATURDAY AFTERNOON. THIS IS EXPECTED TO CHANGE OVER TO
ALL SNOW SATURDAY NIGHT. THE SNOW WILL BE HEAVY AT TIMES SATURDAY
NIGHT INTO SUNDAY WITH INCREASING WINDS CAUSING AREAS OF BLOWING
SNOW. SNOWFALL AMOUNTS BY SUNDAY AFTERNOON ARE EXPECTED TO RANGE
FROM 5 TO 8 INCHES OVER PARTS OF EAST CENTRAL IOWA AND NORTHWEST
ILLINOIS TO 2 TO 5 INCHES OVER WEST CENTRAL ILLINOIS AND NEARBY
AREAS OF SOUTHEAST IOWA AND NORTHEAST MISSOURI. SIGNIFICANT ICE
ACCUMULATIONS ARE POSSIBLE OVER FROM NORTHEAST MISSOURI THROUGH WEST
CENTRAL ILLINOIS.

THIS WINTER STORM IS EXPECTED TO HAVE SIGNIFICANT IMPACTS ON TRAVEL.
FOR MORE COMPLETE AND UPDATED INFORMATION...PLEASE SEE THE LATEST
WINTER WEATHER MESSAGES FROM THE NATIONAL WEATHER SERVICE.

.SPOTTER INFORMATION STATEMENT...

REPORTS OF ANY ICE ACCUMULATIONS TODAY WOULD BE APPRECIATED.

12/DLF

In the hours before

Local storm report, Dec 20, 9:44 AM CST, 5 hours 18 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
944 AM CST FRI DEC 20 2013

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

0940 AM     FREEZING RAIN    5 NW IOWA CITY          41.71N 91.60W
12/20/2013  M0.06 INCH       JOHNSON            IA   TRAINED SPOTTER

            ABOUT 1/16 INCH OF ICING ON SMALL TWIGS. SECONDARY
            UNTREATED ROADS ARE SLIPPERY. MAIN ROADS OK.

&&

TOMP
Local storm report, Dec 20, 10:00 AM CST, 5 hours 2 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1000 AM CST FRI DEC 20 2013

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

0950 AM     SLEET            NE CEDAR RAPIDS         41.97N 91.67W
12/20/2013  U0.00 INCH       LINN               IA   BROADCAST MEDIA

            FALLING NEAR BROADCAST PARK.

&&

GROSS
Local storm report, Dec 20, 10:31 AM CST, 4 hours 31 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1031 AM CST FRI DEC 20 2013

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

1000 AM     FREEZING RAIN    1 SSE CEDAR RAPIDS      41.95N 91.66W
12/20/2013  M0.09 INCH       LINN               IA   TRAINED SPOTTER

            JUST UNDER A TENTH OF AN INCH OF ICING.

&&
Special weather statement, Dec 20, 2:36 PM CST, 26 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
236 PM CST FRI DEC 20 2013

IAZ040>042-051>054-063>068-077-078-ILZ001-002-007-009-015-016-024-
210100-
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-SCOTT-WASHINGTON-LOUISA-JO DAVIESS-
STEPHENSON-CARROLL-WHITESIDE-ROCK ISLAND-HENRY IL-MERCER-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO...
IOWA CITY...TIPTON...CLINTON...MUSCATINE...BETTENDORF...
DAVENPORT...WASHINGTON...WAPELLO...GALENA...FREEPORT...
MOUNT CARROLL...STERLING...ROCK FALLS...MOLINE...ROCK ISLAND...
KEWANEE...ALEDO
236 PM CST FRI DEC 20 2013

...LIGHT FREEZING DRIZZLE WILL BE POSSIBLE INTO THE EARLY EVENING
HOURS...

LIGHT FREEZING DRIZZLE WILL CONTINUE TO AFFECT THE AREA INTO THE
EVENING COMMUTE BEFORE GRADUALLY COMING TO AN END. UNTREATED AND
LESS TRAVELED ROADS MAY BE SLIPPERY. IN ADDITION...SIDEWALKS...
DRIVEWAYS AND PARKING LOTS MAY ALSO BE ICY.

MOTORISTS SHOULD CONTINUE TO USE CAUTION LATE THIS AFTERNOON AND
EARLY THIS EVENING.

14

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.