Alert archive / Iowa / Winter Storm Warnings in 2008

Winter Storm Warning 4, NWS Quad Cities, IA

February 25, 200816 counties in Iowa; 9 counties in Illinois

NWS Quad Cities, IA issued this winter storm warning at Feb 25, 2008, 3:50 AM CST for 16 counties in Iowa; 9 counties in Illinois. It took effect at Feb 25, 2008, 12:00 PM CST. It was in force for 15 hr. 53 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 25, 2008, 3:50 AM CST (09:50 UTC)
In effect from
Feb 25, 2008, 12:00 PM CST
Expired
Feb 26, 2008, 2:50 AM CST
In force
15 hr
Issued by
NWS Quad Cities, IA
All 25 counties

Benton County, IA, Buchanan County, IA, Cedar County, IA, Clinton County, IA, Delaware County, IA, Dubuque County, IA, Iowa County, IA, Jackson County, IA, Johnson County, IA, Jones County, IA, Keokuk County, IA, Linn County, IA, Louisa County, IA, Muscatine County, IA, Scott County, IA, Washington County, IA, Bureau County, IL, Carroll County, IL, Henry County, IL, Jo Daviess County, IL, Mercer County, IL, Putnam County, IL, Rock Island County, IL, Stephenson County, IL, Whiteside County, IL

The radar

The Quad Cities radar (KDVN), 32 km from the middle of the area, began a volume at 09:53 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 25, 3:50 PM CSTSNOW 24 Sse Winslow, ILSTILL SNOWING.
Feb 25, 4:50 PM CSTSNOW 1.5Stockton, IL
Feb 25, 5:05 PM CSTSNOW 03 Nw Mount Vernon, IAPRECIPITATION CHANGED TO ALL SNOW. SNOW IS HEAVY. ONLY A DUSTING OF ACCUMULATION THUS FAR.
Feb 25, 5:34 PM CSTSNOW 1.23 Nw Orangeville, ILCOCORAHS
Feb 25, 6:00 PM CSTSNOW 1.6Dubuque Regional Airpor, IA
Feb 25, 6:17 PM CSTSNOW 1E Iowa City, IA
Feb 25, 6:27 PM CSTSNOW 0.4Camanche, IASNOWFALL BREAKS OLD RECORD FOR THE MONTH THAT WAS SET IN 1974. TOTAL IS .1 HIGHER THAN OLD RECORD OF 23.3.
Feb 25, 6:27 PM CSTSNOW 1.5Victor, IASNOW STARTED AT 5 PM. STILL MODERATE SNOW.
Feb 25, 6:31 PM CSTSNOW 4Edgewood, IALIGHT SNOW AT THE TIME OF THE OBSERVATION
Feb 25, 6:47 PM CSTSNOW 1Sterling, IL
Feb 25, 6:51 PM CSTSNOW 0.8Vinton, IA
Feb 25, 6:51 PM CSTSNOW 1Sterling, IL
Feb 25, 7:00 PM CSTSNOW 0.5North Liberty, IAMODERATE TO HEAVY SNOW CURRENTLY.
Feb 25, 7:50 PM CSTSNOW 1Brighton, IATOTAL SNOW DEPTH NOW AT 7.0 INCHES.
Feb 25, 7:55 PM CSTSNOW 0.5Cedar Rapids, IAMEASURED AT KCRG DOWNTOWN. LT TO MODERATE SNOW CONTINUES.
Feb 25, 7:55 PM CSTSNOW 0.8Nw Cedar Rapids, IAMEASURED BY KCRG.
Feb 25, 7:57 PM CSTSNOW 0.94 W Bettendorf, IA
Feb 25, 8:00 PM CSTSNOW 0.7Nnw Springville, IASTILL SNOWING LIGHTLY.
Feb 25, 8:00 PM CSTSNOW 1.2Lowden, IATOTAL SO FAR. STILL LIGHT SNOW.
Feb 25, 8:00 PM CSTSNOW 1.5Cordova, IL
Feb 25, 8:00 PM CSTSNOW 1.84 E What Cheer, IASINCE 5 PM. STILL SNOWING LIGHTLY.
Feb 25, 8:05 PM CSTSNOW 3.2Stockton, ILSTILL SNOWING HEAVILY.
Feb 25, 8:06 PM CSTSNOW 2.3Galena, ILMEASURED BY WREX METEOROLOGIST.
Feb 25, 8:11 PM CSTSNOW 2.6Stanley, IA
Feb 25, 8:17 PM CSTSNOW 2Freeport, ILSTILL LIGHT SNOW.
Feb 25, 8:17 PM CSTSNOW 4Thomson, ILSTILL LIGHT SNOW.
Feb 25, 8:25 PM CSTSNOW 1Stanwood, IA
Feb 25, 8:30 PM CSTSNOW 1Coal Valley, IL
Feb 25, 8:32 PM CSTSNOW 11 Sse Cedar Rapids, IASTILL LIGHT SNOW FALLING.
Feb 25, 8:49 PM CSTSNOW 3.6Mount Carroll, IL
Feb 25, 8:50 PM CSTSNOW 31 W Elmira, IASTILL LIGHT SNOW.
Feb 25, 8:59 PM CSTSNOW 2.5Galena, ILSTILL LIGHT SNOW FALLING.
Feb 25, 9:08 PM CSTSNOW 1.53 Nw Mount Vernon, IASTILL LIGHT TO MODERATE SNOW FALLING.
Feb 25, 9:20 PM CSTSNOW 4Mount Carroll, ILSTILL SNOWING.
Feb 25, 9:32 PM CSTSNOW 3.8Sterling, ILMODERATE SNOW STILL FALLING.
Feb 25, 9:37 PM CSTSNOW 1.5North Liberty, IA
Feb 25, 9:43 PM CSTSNOW 24 Sw Van Horne, IA
Feb 25, 9:43 PM CSTSNOW 2Prophetstown, ILSTILL COMING DOWN.
Feb 25, 10:06 PM CSTSNOW 3.6Pearl City, IL
Feb 25, 10:19 PM CSTSNOW 3.36 Wsw Schapville, IL
Feb 25, 10:27 PM CSTSNOW 4Freeport, ILSTILL SNOWING
Feb 25, 10:41 PM CSTSNOW 4.52 Ne Fulton, IL
Feb 25, 11:01 PM CSTSNOW 1.53 Se Garrison, IASNOW STOPPED. WIND INCREASING BUT MINIMAL BLOWING SNOW SO FAR.
Feb 25, 11:15 PM CSTSNOW 4Pearl City, ILSTILL SNOWING LIGHTLY.
Feb 25, 11:20 PM CSTSNOW 3Galena, ILSNOWING LIGHTLY.
Feb 25, 11:26 PM CSTSNOW 1.8Nw Cedar Rapids, IAMEASURED BY KCRG. VERY LIGHT SNOW FALLING.
Feb 25, 11:30 PM CSTSNOW 1.52 Nw Marion, IA
Feb 25, 11:50 PM CSTSNOW 2.8Moline Quad-City Airpor, IL2.6 IN SINCE 6PM. 5 IN ON GROUND.
Feb 25, 11:59 PM CSTSNOW 1.9Dubuque Regional Airpor, IASNOWFALL SINCE 6 PM
Feb 26, 12:00 AM CSTSNOW 1.34 W Bettendorf, IASTILL SNOWING AT TIME OF REPORT.
Feb 26, 1:00 AM CSTSNOW 46 Sse Council Hill, ILDELAYED REPORT.
Feb 26, 2:13 AM CSTSNOW 1N Washington, IADELAYED REPORT.
Feb 26, 2:43 AM CSTSNOW 1.51 Sse Cedar Rapids, 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 00:00Z, 9.8 hours before the alert went out and 37 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Davenport, at 00:00Z on 2008-02-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 00:00Z on 2008-02-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 198 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
1415 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
198 m²/s²
0-3 km storm-relative helicity
269 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 250950
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
350 AM CST MON FEB 25 2008

...MAJOR WINTER STORM TO IMPACT THE AREA...

.A POTENT STORM SYSTEM CURRENTLY DEVELOPING OVER THE PLAINS WILL
TRACK ACROSS CENTRAL MISSOURI INTO SOUTHERN ILLINOIS THROUGH TONIGHT.
THIS SYSTEM WILL SPREAD A WINTRY MIX OF RAIN...FREEZING RAIN AND
SOME SLEET ACROSS THE AREA THIS MORNING AND EARLY AFTERNOON. AS
THE STORM CENTER PASSES SOUTH OF THE AREA...IT WILL DRAW IN
COLDER AIR CAUSING THE PRECIPITATION TO CHANGE OVER TO HEAVY...
WET SNOW IN THE AFTERNOON AND TONIGHT FROM NORTH TO SOUTH. THIS
SNOW...POSSIBLY BECOMING VERY HEAVY AT TIMES...WILL CONTINUE
THROUGH TUESDAY MORNING BEFORE TAPERING OFF TO FLURRIES BY TUESDAY
AFTERNOON. STRONG NORTH TO NORTHWEST WINDS WILL DEVELOP LATER MONDAY
NIGHT AND CONTINUE THROUGH TUESDAY MORNING...PRODUCING SIGNIFICANT
BLOWING AND DRIFTING SNOW.

IAZ040>042-051>054-063>066-ILZ001-002-007-251800-
/O.UPG.KDVN.WS.A.0004.080225T1500Z-080226T1800Z/
/O.NEW.KDVN.WS.W.0004.080225T1800Z-080226T1800Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-JO DAVIESS-STEPHENSON-CARROLL-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO...
IOWA CITY...TIPTON...CLINTON...GALENA...FREEPORT...MOUNT CARROLL
350 AM CST MON FEB 25 2008

...WINTER STORM WARNING IN EFFECT FROM NOON TODAY TO 12 PM CST
TUESDAY...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WINTER
STORM WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 12 PM CST
TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

A WINTRY MIX OF RAIN...FREEZING RAIN AND SLEET WILL DEVELOP OVER
THE AREA BY MIDDAY. THIS WINTRY MIX WILL CHANGE TO A HEAVY...WET
SNOW THIS AFTERNOON. SNOW...HEAVY AT TIMES... WILL THEN CONTINUE
THROUGH TUESDAY MORNING BEFORE ENDING TUESDAY AFTERNOON. WIDESPREAD
SNOWFALL ACCUMULATIONS OF 3 TO 6 INCHES ARE EXPECTED...WITH LOCALLY
HIGHER AMOUNTS UP TO 8 INCHES POSSIBLE BETWEEN HIGHWAY 30 AND THE
INTERSTATE 80 CORRIDOR. IN ADDITION...STRONG NORTH TO NORTHWEST
WINDS OF 20 TO 35 MPH WITH GUSTS POSSIBLY OVER 40 MPH WILL DEVELOP
LATER THIS EVENING AND LAST THROUGH TUESDAY PRODUCING WIDESPREAD
BLOWING AND DRIFTING SNOW.

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

$$

IAZ067-068-076>078-ILZ009-015>018-024-251800-
/O.UPG.KDVN.WS.A.0004.080225T1500Z-080226T1800Z/
/O.NEW.KDVN.WS.W.0004.080225T2100Z-080226T1800Z/
MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-WHITESIDE-ROCK ISLAND-
HENRY IL-BUREAU-PUTNAM-MERCER-
INCLUDING THE CITIES OF...MUSCATINE...BETTENDORF...DAVENPORT...
SIGOURNEY...WASHINGTON...WAPELLO...STERLING...ROCK FALLS...
MOLINE...ROCK ISLAND...KEWANEE...PRINCETON...HENNEPIN...ALEDO
350 AM CST MON FEB 25 2008

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

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

A WINTRY MIX OF RAIN...FREEZING RAIN AND SLEET WILL DEVELOP OVER
THE AREA BY THIS AFTERNOON. THIS WINTRY MIX WILL CHANGE TO A WET
SNOW BY LATE AFTERNOON. THIS SNOW...BECOMING HEAVY AT TIMES...
WILL THEN CONTINUE THROUGH TUESDAY MORNING BEFORE ENDING TUESDAY
AFTERNOON. WIDESPREAD SNOWFALL ACCUMULATIONS OF 4 TO 7 INCHES ARE
EXPECTED...WITH LOCALLY HIGHER AMOUNTS POSSIBLE. IN ADDITION...STRONG
NORTH TO NORTHWEST WINDS OF 20 TO 35 MPH WITH GUSTS POSSIBLY OVER
40 MPH WILL DEVELOP LATER THIS EVENING AND LAST THROUGH TUESDAY
PRODUCING WIDESPREAD BLOWING AND DRIFTING SNOW.

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


$$

IAZ087>089-ILZ025-026-251800-
/O.UPG.KDVN.WS.A.0004.080226T0300Z-080226T1800Z/
/O.NEW.KDVN.WW.Y.0006.080226T0000Z-080226T1800Z/
JEFFERSON-HENRY IA-DES MOINES-HENDERSON-WARREN-
INCLUDING THE CITIES OF...FAIRFIELD...MOUNT PLEASANT...
BURLINGTON...OQUAWKA...MONMOUTH
350 AM CST MON FEB 25 2008

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO
12 PM CST TUESDAY...

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

A STRONG STORM SYSTEM WILL BRING MILDER TEMPERATURES AND RAIN
INTO THE AREA TODAY. THE RAIN MAY MIX WITH SOME FREEZING RAIN AT
THE ONSET THIS MORNING...BUT IT SHOULD SWITCH TO ALL RAIN BY
MIDDAY. THEN...AS THE STORM PASSES TO THE SOUTH AND WINDS SWITCH TO
THE NORTHEAST...COLDER AIR WILL BE DRAWN DOWN INTO THE AREA THIS
EVENING. THIS WILL SWITCH THE RAIN OVER TO A WET SNOW BY MID
EVENING. THE SNOW...HEAVY AT TIMES... WILL THEN CONTINUE THROUGH
TUESDAY MORNING BEFORE ENDING TUESDAY AFTERNOON. SNOWFALL 
ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED. IN ADDITION...STRONG
NORTH TO NORTHWEST WINDS OF 20 TO 35 MPH WITH GUSTS POSSIBLY OVER
40 MPH WILL DEVELOP BY MIDNIGHT TONIGHT...AND LAST THROUGH
TUESDAY PRODUCING WIDESPREAD BLOWING AND DRIFTING SNOW.

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

$$

05/12
4 follow-up statements
000 
WWUS43 KDVN 251712
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1112 AM CST MON FEB 25 2008

...STRONG WINTER STORM TO IMPACT THE AREA...

.A WINTER STORM SYSTEM CURRENTLY DEVELOPING OVER THE PLAINS WILL
TRACK ACROSS CENTRAL MISSOURI INTO SOUTHERN ILLINOIS THROUGH
TONIGHT. A WINTRY MIX OF RAIN...FREEZING RAIN AND SOME SLEET
DEVELOPING ACROSS CENTRAL AND EASTERN IOWA WILL CONTINUE TO EXPAND
AND SPREAD EAST THIS AFTERNOON AND TONIGHT. AS THE STORM CENTER
PASSES SOUTH OF THE AREA...IT WILL DRAW IN COLDER AIR CAUSING THE
PRECIPITATION TO CHANGE OVER TO HEAVY WET SNOW THIS AFTERNOON AND
TONIGHT FROM NORTH TO SOUTH. THIS SNOW...POSSIBLY BECOMING HEAVY
AT TIMES...WILL CONTINUE THROUGH TUESDAY MORNING BEFORE TAPERING
OFF TO FLURRIES BY TUESDAY AFTERNOON. STRONG NORTH TO NORTHWEST
WINDS WILL DEVELOP LATER TONIGHT AND CONTINUE THROUGH TUESDAY
MORNING...PRODUCING SIGNIFICANT BLOWING AND DRIFTING SNOW.

IAZ040>042-051>054-063>066-ILZ001-002-007-260115-
/O.CON.KDVN.WS.W.0004.080225T1800Z-080226T1800Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-JO DAVIESS-STEPHENSON-CARROLL-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO...
IOWA CITY...TIPTON...CLINTON...GALENA...FREEPORT...MOUNT CARROLL
1112 AM CST MON FEB 25 2008

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

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

A WINTRY MIX OF RAIN...FREEZING RAIN AND SLEET WILL CONTINUE TO
OVERSPREAD EASTERN IOWA AND NORTHWEST ILLINOIS EARLY THIS
AFTERNOON. THE MIXED PRECIPITATION WILL CHANGE OVER TO HEAVY WET
SNOW BY LATE AFTERNOON. EARLY IN THE AFTERNOON...FREEZING
RAIN...SLEET AND FREEZING DRIZZLE MAY RESULT IN MINOR ICE
ACCUMULATIONS...ESPECIALLY NORTHWEST OF A LINE FROM IOWA CITY TO
DUBUQUE EARLY THIS AFTERNOON.

SNOW...HEAVY AT TIMES...WILL DEVELOP BY MID AFTERNOON AND CONTINUE
THROUGH TUESDAY MORNING BEFORE ENDING TUESDAY AFTERNOON.
WIDESPREAD SNOWFALL ACCUMULATIONS OF 3 TO 6 INCHES ARE EXPECTED...
WITH LOCALLY HIGHER AMOUNTS UP TO 8 INCHES POSSIBLE BETWEEN
HIGHWAY 30 AND THE INTERSTATE 80 CORRIDOR. IN ADDITION...STRONG
NORTH TO NORTHWEST WINDS OF 20 TO 35 MPH WITH GUSTS POSSIBLY OVER
40 MPH WILL DEVELOP LATER THIS EVENING AND LAST THROUGH TUESDAY
PRODUCING WIDESPREAD BLOWING AND DRIFTING SNOW.

A WINTER STORM WARNING MEANS 6 TO 8 INCHES OR MORE OF SNOW ...
COMBINED WITH STRONG WINDS AND POSSIBLY FREEZING RAIN OR SLEET IS
EXPECTED OR OCCURRING. THIS WILL CREATE DIFFICULT AND POTENTIALLY
DANGEROUS TRAVEL CONDITIONS. IF YOU MUST TRAVEL...REMEMBER TO
CARRY YOUR WINTER STORM SURVIVAL KIT.

$$

IAZ067-068-076>078-ILZ009-015>018-024-260115-
/O.CON.KDVN.WS.W.0004.080225T2100Z-080226T1800Z/
MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-WHITESIDE-ROCK ISLAND-
HENRY IL-BUREAU-PUTNAM-MERCER-
INCLUDING THE CITIES OF...MUSCATINE...BETTENDORF...DAVENPORT...
SIGOURNEY...WASHINGTON...WAPELLO...STERLING...ROCK FALLS...
MOLINE...ROCK ISLAND...KEWANEE...PRINCETON...HENNEPIN...ALEDO
1112 AM CST MON FEB 25 2008

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

A WINTER STORM WARNING IS IN EFFECT FROM 3 PM THIS AFTERNOON TO
12 PM CST TUESDAY.

RAIN...AND LOCAL AREAS OF FREEZING RAIN AND SLEET...WILL CONTINUE
TO OVERSPREAD THE AREA EARLY THIS AFTERNOON. THIS WINTRY MIX WILL
CHANGE TO A WET SNOW BY LATE AFTERNOON. THIS SNOW...BECOMING HEAVY
AT TIMES... WILL THEN CONTINUE THROUGH TUESDAY MORNING BEFORE
ENDING TUESDAY AFTERNOON. WIDESPREAD SNOWFALL ACCUMULATIONS OF 4
TO 6 INCHES ARE EXPECTED...WITH LOCALLY HIGHER AMOUNTS POSSIBLE.
IN ADDITION... STRONG NORTH TO NORTHWEST WINDS OF 20 TO 35 MPH
WITH GUSTS POSSIBLY OVER 40 MPH WILL DEVELOP LATER THIS EVENING
AND LAST THROUGH TUESDAY PRODUCING WIDESPREAD BLOWING AND DRIFTING
SNOW.

A WINTER STORM WARNING MEANS 6 TO 8 INCHES OR MORE OF SNOW...
COMBINED WITH STRONG WINDS AND POSSIBLY FREEZING RAIN OR SLEET IS
EXPECTED OR OCCURRING. THIS WILL CREATE DIFFICULT AND POTENTIALLY
DANGEROUS TRAVEL CONDITIONS. IF YOU MUST TRAVEL...REMEMBER TO
CARRY YOUR WINTER STORM SURVIVAL KIT.
 
$$

IAZ087>089-ILZ025-026-260115-
/O.CON.KDVN.WW.Y.0006.080226T0000Z-080226T1800Z/
JEFFERSON-HENRY IA-DES MOINES-HENDERSON-WARREN-
INCLUDING THE CITIES OF...FAIRFIELD...MOUNT PLEASANT...
BURLINGTON...OQUAWKA...MONMOUTH
1112 AM CST MON FEB 25 2008

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS
EVENING TO 12 PM CST TUESDAY...

A WINTER WEATHER ADVISORY IS IN EFFECT FROM 6 PM THIS EVENING TO
12 PM CST TUESDAY.

A STRONG STORM SYSTEM WILL BRING MILD TEMPERATURES AND RAIN INTO
THE AREA THIS AFTERNOON. RAIN WILL MIX WITH SLEET AND THEN CHANGE
OVER TO SNOW THIS EVENING. THE SNOW...POSSIBLY HEAVY AT TIMES...WILL
THEN CONTINUE THROUGH TUESDAY MORNING BEFORE ENDING TUESDAY
AFTERNOON. SNOWFALL ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED.
IN ADDITION...STRONG NORTH TO NORTHWEST WINDS OF 20 TO 35 MPH WITH
GUSTS POSSIBLY OVER 40 MPH WILL DEVELOP BY MIDNIGHT TONIGHT...AND
LAST THROUGH TUESDAY PRODUCING WIDESPREAD BLOWING AND DRIFTING
SNOW.

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

$$

DLS
000 
WWUS43 KDVN 252147
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
347 PM CST MON FEB 25 2008

...STRONG WINTER STORM TO IMPACT THE AREA TONIGHT AND EARLY
TUESDAY...

.SNOW WAS OVERSPREADING PORTIONS OF EASTERN IOWA THIS AFTERNOON
AHEAD OF A WINTER STORM SYSTEM MOVING ACROSS WESTERN IOWA. SNOW
WILL CONTINUE TO SPREAD EAST AND SOUTHEAST ACROSS MUCH OF EASTERN
IOWA...NORTHEAST MISSOURI...AND NORTHWEST ILLINOIS THIS EVENING.  
SNOW WILL BECOME HEAVY AT TIMES TONIGHT AS THE STORM SYSTEM MOVES
THROUGH THE REGION. TOTAL ACCUMULATIONS IN THE RANGE OF 4 TO 6
INCHES ARE LIKELY ACROSS EASTERN IOWA INTO NORTHWEST
ILLINOIS...ROUGHLY CENTERED ALONG AND SOUTH OF INTERSTATE 80. SOME
LOCALLY HIGHER AMOUNTS WILL BE POSSIBLE. AS THE ST0RM SYSTEM
EXITS...SNOW WILL DIMINISH LATE TONIGHT...BUT WINDS WILL INCREASE
TO 20 TO 30 MPH FROM THE NORTH. THIS WILL CAUSE AREAS OF BLOWING
AND DRIFTING SNOW. FLURRIES WILL CONTINUE INTO MIDDAY
TUESDAY...WITH BRISK WINDS CONTINUING TO CAUSE CONSIDERABLE
BLOWING AND DRIFTING SNOW. 


IAZ087>089-ILZ025-026-260600-
/O.CAN.KDVN.WW.Y.0006.080226T0000Z-080226T1800Z/
/O.NEW.KDVN.SB.Y.0002.080226T0000Z-080226T1800Z/
JEFFERSON-HENRY IA-DES MOINES-HENDERSON-WARREN-
INCLUDING THE CITIES OF...FAIRFIELD...MOUNT PLEASANT...
BURLINGTON...OQUAWKA...MONMOUTH
347 PM CST MON FEB 25 2008

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

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A SNOW AND
BLOWING SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 12 PM CST
TUESDAY. THE WINTER WEATHER ADVISORY HAS BEEN CANCELLED. 

SNOW WILL OVERSPREAD SOUTHEAST IOWA...NORTHEAST MISSOURI...AND
WEST CENTRAL ILLINOIS THIS EVENING. SNOW WILL BE HEAVY AT TIMES.
TOTAL ACCUMULATIONS BY TUESDAY MORNING WILL REACH 3 TO 5 INCHES.
IN ADDITION...WINDS WILL BECOME NORTH AND INCREASE TO 20 TO 30 MPH
AFTER MIDNIGHT TONIGHT. THIS WILL CAUSE AREAS OF BLOWING AND
DRIFTING SNOW...WHICH WILL CONTINUE INTO TUESDAY MORNING. 

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

$$

IAZ040>042-051>054-063>066-ILZ001-002-007-260600-
/O.CON.KDVN.WS.W.0004.000000T0000Z-080226T1800Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-JO DAVIESS-STEPHENSON-CARROLL-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MARENGO...
IOWA CITY...TIPTON...CLINTON...GALENA...FREEPORT...MOUNT CARROLL
347 PM CST MON FEB 25 2008

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

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

A MIX OF RAIN AND SNOW WILL CHANGE OVER TO ALL SNOW AROUND SUNSET
AND CONTINUE OVERNIGHT. SNOW WILL WET AND HEAVY AT TIMES. THE SNOW
WILL TAPER OFF TO FLURRIES EARLY TUESDAY...WITH TOTAL ACCUMULATIONS
OF 4 TO 6 INCHES. AS THE SYSTEM MOVES AWAY...WINDS WILL BECOME
NORTH AND INCREASE TO 20 TO 30 MPH...WHICH WILL CAUSE WIDESPREAD
BLOWING AND DRIFTING SNOW. DRIFTING SNOW WILL RESULT IN POOR
VISIBILITY AND SLICK ROADS...CREATING DIFFICULT TRAVEL
CONDITIONS LATE TONIGHT INTO TUESDAY MORNING. 

A WINTER STORM WARNING MEANS 6 INCHES OR MORE OF SNOW...COMBINED
WITH STRONG WINDS AND POSSIBLY FREEZING RAIN OR SLEET IS EXPECTED
OR OCCURRING. THIS WILL CREATE DIFFICULT AND POTENTIALLY DANGEROUS
TRAVEL CONDITIONS. IF YOU MUST TRAVEL...REMEMBER TO CARRY YOUR
WINTER STORM SURVIVAL KIT.

$$

IAZ067-068-076>078-ILZ009-015>018-024-260600-
/O.CON.KDVN.WS.W.0004.000000T0000Z-080226T1800Z/
MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-WHITESIDE-ROCK ISLAND-
HENRY IL-BUREAU-PUTNAM-MERCER-
INCLUDING THE CITIES OF...MUSCATINE...BETTENDORF...DAVENPORT...
SIGOURNEY...WASHINGTON...WAPELLO...STERLING...ROCK FALLS...
MOLINE...ROCK ISLAND...KEWANEE...PRINCETON...HENNEPIN...ALEDO
347 PM CST MON FEB 25 2008

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

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

RAIN...AND LOCAL AREAS OF FREEZING RAIN AND SLEET...WILL CONTINUE
TO OVERSPREAD THE AREA EARLY THIS AFTERNOON. THIS WINTRY MIX WILL
CHANGE TO A WET SNOW BY LATE AFTERNOON. THIS SNOW...BECOMING
HEAVY AT TIMES... WILL THEN CONTINUE THROUGH TUESDAY MORNING
BEFORE ENDING TUESDAY AFTERNOON. WIDESPREAD SNOWFALL
ACCUMULATIONS OF 4 TO 6 INCHES ARE EXPECTED...WITH LOCALLY HIGHER
AMOUNTS POSSIBLE. IN ADDITION... STRONG NORTH TO NORTHWEST WINDS
OF 20 TO 35 MPH WITH GUSTS POSSIBLY OVER 40 MPH WILL DEVELOP
LATER THIS EVENING AND LAST THROUGH TUESDAY PRODUCING WIDESPREAD
BLOWING AND DRIFTING SNOW.

A WINTER STORM WARNING MEANS 6 TO 8 INCHES OR MORE OF SNOW...
COMBINED WITH STRONG WINDS AND POSSIBLY FREEZING RAIN OR SLEET IS
EXPECTED OR OCCURRING. THIS WILL CREATE DIFFICULT AND POTENTIALLY
DANGEROUS TRAVEL CONDITIONS. IF YOU MUST TRAVEL...REMEMBER TO
CARRY YOUR WINTER STORM SURVIVAL KIT.

$$

IAZ098-099-ILZ034-035-MOZ009-010-260600-
/O.NEW.KDVN.SB.Y.0002.080226T0000Z-080226T1800Z/
VAN BUREN-LEE-HANCOCK-MCDONOUGH-SCOTLAND-CLARK-
INCLUDING THE CITIES OF...KEOSAUQUA....FORT MADISON...CARTHAGE...
MACOMB...MEMPHIS...KAHOKA
347 PM CST MON FEB 25 2008

...SNOW AND BLOWING SNOW ADVISORY IN EFFECT UNTIL 12 PM CST
TUESDAY...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A SNOW AND
BLOWING SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 12 PM CST
TUESDAY. 

SNOW WILL OVERSPREAD SOUTHEAST IOWA...NORTHEAST MISSOURI...AND WEST
CENTRAL ILLINOIS THIS EVENING. SNOW WILL BE HEAVY AT TIMES. TOTAL
ACCUMULATIONS BY TUESDAY MORNING WILL REACH 3 TO 5 INCHES. IN
ADDITION...WINDS WILL BECOME NORTH AND INCREASE TO 20 TO 30 MPH
AFTER MIDNIGHT TONIGHT. THIS WILL CAUSE AREAS OF BLOWING AND
DRIFTING SNOW...WHICH WILL CONTINUE INTO TUESDAY MORNING. 

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

$$

DLS
000 
WWUS43 KDVN 260310
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
910 PM CST MON FEB 25 2008

...WINTER STORM BRINGING SNOW AND BLOWING SNOW TO THE AREA...

.LOW PRESSURE MOVING THROUGH CENTRAL MISSOURI WAS SPREADING SNOW
OVER THE MID-MISSISSIPPI VALLEY THIS EVENING. SNOW FALL AMOUNTS OF
2 TO 7 INCHES ARE EXPECTED OVER THE AREA BY TUESDAY MORNING. THE
HIGHEST AMOUNTS WILL BE ALONG AND NORTH OF INTERSTATE 80 IN
NORTHWEST ILLINOIS. STRONG NORTH WINDS WILL ALSO CREATE
CONSIDERABLE BLOWING AND DRIFTING SNOW FROM LATE TONIGHT THROUGH
TUESDAY MORNING.

IAZ040>042-051>054-063>068-076>078-ILZ001-002-007-015-024-261115-
/O.CAN.KDVN.WS.W.0004.000000T0000Z-080226T1800Z/
/O.EXA.KDVN.SB.Y.0002.000000T0000Z-080226T1800Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JO DAVIESS-
STEPHENSON-CARROLL-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...GALENA...
FREEPORT...MOUNT CARROLL...MOLINE...ROCK ISLAND...ALEDO
910 PM CST MON FEB 25 2008

...SNOW AND BLOWING SNOW ADVISORY IN EFFECT UNTIL 12 PM CST
TUESDAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A SNOW AND
BLOWING SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 12 PM CST
TUESDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. 

SNOW WILL CONTINUE OVER NIGHT WITH TOTAL SNOWFALL ACCUMULATIONS OF
2 TO 5 INCHES EXPECTED BY EARLY TUESDAY MORNING. CONSIDERABLE
BLOWING AND DRIFTING SNOW IS EXPECTED LATE TONIGHT AND TUESDAY
MORNING AS NORTH WINDS INCREASE TO 20 TO 30 MPH. 

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

$$

ILZ009-016>018-261115-
/O.CON.KDVN.WS.W.0004.000000T0000Z-080226T1800Z/
WHITESIDE-HENRY IL-BUREAU-PUTNAM-
INCLUDING THE CITIES OF...STERLING...ROCK FALLS...KEWANEE...
PRINCETON...HENNEPIN
910 PM CST MON FEB 25 2008

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

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

SNOW WILL CONTINUE OVER THE AREA UNTIL EARLY TUESDAY MORNING.
SNOWFALL AMOUNTS OF 4 TO 6 INCHES WITH ISOLATED HIGHER AMOUNTS
POSSIBLE. AS THE SYSTEM MOVES AWAY...NORTH WINDS WILL INCREASE TO
20 TO 30 MPH...WHICH WILL CAUSE WIDESPREAD BLOWING AND DRIFTING
SNOW. DRIFTING SNOW WILL RESULT IN POOR VISIBILITY AND SLICK
ROADS...CREATING DIFFICULT TRAVEL CONDITIONS LATE TONIGHT INTO
TUESDAY MORNING.

A WINTER STORM WARNING MEANS 6 TO 8 INCHES OR MORE OF SNOW...
COMBINED WITH STRONG WINDS AND POSSIBLY FREEZING RAIN OR SLEET IS
EXPECTED OR OCCURRING. THIS WILL CREATE DIFFICULT AND POTENTIALLY
DANGEROUS TRAVEL CONDITIONS. IF YOU MUST TRAVEL...REMEMBER TO
CARRY YOUR WINTER STORM SURVIVAL KIT.

$$

IAZ087>089-098-099-ILZ025-026-034-035-MOZ009-010-261115-
/O.CON.KDVN.SB.Y.0002.000000T0000Z-080226T1800Z/
JEFFERSON-HENRY IA-DES MOINES-VAN BUREN-LEE-HENDERSON-WARREN-
HANCOCK-MCDONOUGH-SCOTLAND-CLARK-
INCLUDING THE CITIES OF...FAIRFIELD...MOUNT PLEASANT...
BURLINGTON...KEOSAUQUA....FORT MADISON...OQUAWKA...MONMOUTH...
CARTHAGE...MACOMB...MEMPHIS...KAHOKA
910 PM CST MON FEB 25 2008

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 12 PM
CST TUESDAY...

A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 12 PM
CST TUESDAY. 

SNOW WILL CONTINUE OVERNIGHT WITH TOTAL SNOWFALL AMOUNTS OF 2 TO
4 INCHES EXPECTED BY TUESDAY MORNING. IN ADDITION...WINDS WILL BECOME
NORTH AND INCREASE TO 20 TO 30 MPH AFTER MIDNIGHT TONIGHT. THIS
WILL CAUSE AREAS OF BLOWING AND DRIFTING SNOW...WHICH WILL
CONTINUE INTO TUESDAY MORNING.

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

$$
000 
WWUS43 KDVN 260850
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
250 AM CST TUE FEB 26 2008

...SNOW TAPERING OFF...

.LOW PRESSURE WILL MOVE THROUGH THE OHIO VALLEY THIS MORNING
TAKING THE BULK OF THE ACCUMULATING SNOW WITH IT. OCCASIONAL
LIGHT SNOW OR FLURRIES WILL PERSIST OVER MUCH OF THE AREA THROUGH
MIDDAY AS AN UPPER LEVEL DISTURBANCE OVER WISCONSIN DROPS DOWN
ACROSS THE AREA. ADDITIONAL ACCUMULATIONS SHOULD GENERALLY BE AN
INCH OR LESS. 

ILZ009-016>018-261000-
/O.CAN.KDVN.WS.W.0004.000000T0000Z-080226T1800Z/
WHITESIDE-HENRY IL-BUREAU-PUTNAM-
INCLUDING THE CITIES OF...STERLING...ROCK FALLS...KEWANEE...
PRINCETON...HENNEPIN
250 AM CST TUE FEB 26 2008

...WINTER STORM WARNING IS CANCELLED...

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

THE THREAT FOR SIGNIFICANT SNOW ACCUMULATIONS HAS ENDED...AS LOW
PRESSURE CONTINUES TO MOVE AWAY FROM THE AREA INTO THE OHIO
VALLEY. OCCASIONAL LIGHT SNOW OR FLURRIES WILL PERSIST INTO THE
AFTERNOON...WITH ADDITIONAL ACCUMULATIONS GENERALLY AN INCH 
OR LESS. DESPITE STRENGTHENING NORTHWEST WINDS...THE WET NATURE
OF THE SNOW WILL PRECLUDE ANY WIDESPREAD BLOWING OR DRIFTING
SNOW. AS A RESULT...THE WINTER STORM WARNING HAS BEEN CANCELLED.

$$

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
015-024>026-034-035-MOZ009-010-261000-
/O.CAN.KDVN.SB.Y.0002.000000T0000Z-080226T1800Z/
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-
ROCK ISLAND-MERCER-HENDERSON-WARREN-HANCOCK-MCDONOUGH-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...MOLINE...ROCK ISLAND...
ALEDO...OQUAWKA...MONMOUTH...CARTHAGE...MACOMB...MEMPHIS...KAHOKA
250 AM CST TUE FEB 26 2008

...SNOW AND BLOWING SNOW ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS CANCELLED THE
SNOW AND BLOWING SNOW ADVISORY. 

OCCASIONAL LIGHT SNOW OR FLURRIES WILL PERSIST INTO THE 
AFTERNOON...WITH ADDITIONAL ACCUMULATIONS GENERALLY AN INCH 
OR LESS. DESPITE STRENGTHENING NORTHWEST WINDS...THE WET NATURE
OF THE SNOW WILL PRECLUDE ANY WIDESPREAD BLOWING OR DRIFTING
SNOW. AS A RESULT...THE SNOW AND BLOWING SNOW ADVISORY 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 Feb 24, 10:20 PM CST, 5 hours 30 minutes earlier.

Area forecast discussion, Feb 24, 10:20 PM CST, 5 hours 30 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1020 PM CST SUN FEB 24 2008

.UPDATE...
QUICK LOOK AT INCOMING NEW 00Z MODEL RUNS...INCLUDING A FRESH LOOK
AT THE NEW 00Z GFS SUGGESTS ANOTHER SOUTHWARD JOG FROM PREVIOUS
RUNS OF BOTH THE SFC LOW AND H85 MB LOW PATHS AS SYSTEM GETS SAMPLED
OVER CA-NV THIS EVENING BY NEW UPPER AIR DATA. THE NEW NAM IS
TROUBLING BY ITS MORE SOUTHERN AND WETTER TREND...AND WOULD MEAN
EASY WINTER STORM WARNING CRITERIA SNOWS ALONG AND A COUNTY SOUTH NOW
OF THE I80 CORRIDOR. HAVE ADJUSTED THE WINTER STORM WATCH A TIER OF
COUNTIES SOUTHWARD...BUT WITH PRE-SYSTEM WARM DRAW AND MAINLY RAIN
ON MONDAY IN THESE AREAS IF SFC TEMPS HOLD ABOVE FREEZING EVEN IN
THE EARLY MONDAY MORNING PERIOD/LIMITING MUCH OF ANY FREEZING RAIN
THREAT/...HAVE DECIDED TO NOT START THE NEW WATCH AREAS UNTIL 03Z
TUE WHEN WINDS SWITCH TO THE NORTHEAST AND INCREASE FOR SOME COLD
CONVEYOR TO SWITCH RAIN TO A HEAVY WET SNOW. IT NOW LOOKS LIKE
THESE NEW WATCH COUNTIES COULD GET ANYWHERE FROM 2-6 INCHES OF WET
SNOW...WITH BLOWING AND DRIFTING TROUBLE LATE MON NIGHT INTO TUE.
WILL MAKE A MORE DETAILED LOOK/ANALYSIS OF NEW MODEL DATA AND HAMMER
OUT THE WARNING AND ADVISORY AREAS FOR THE 4 AM MON MORNING PACKAGE.

&&

.DVN WATCHES/WARNINGS/ADVISORIES...
IA...AIR STAGNATION ADVISORY UNTIL MIDNIGHT CST TONIGHT FOR BENTON-
     BUCHANAN-CEDAR-CLINTON-DELAWARE-DUBUQUE-IOWA-JACKSON-
     JOHNSON-JONES-LINN-MUSCATINE-SCOTT.

     WINTER STORM WATCH FROM MONDAY MORNING THROUGH TUESDAY MORNING
     FOR BENTON-BUCHANAN-CEDAR-CLINTON-DELAWARE-DUBUQUE-IOWA-
     JACKSON-JOHNSON-JONES-KEOKUK-LINN-LOUISA-MUSCATINE-SCOTT-
     WASHINGTON.

     WINTER STORM WATCH NOW IN EFFECT MONDAY EVENING THROUGH TUESDAY
     MORNING FOR DES MOINES-HENRY-JEFFERSON.

IL...WINTER STORM WATCH FROM MONDAY MORNING THROUGH TUESDAY MORNING
     FOR BUREAU-CARROLL-HENRY IL-JO DAVIESS-MERCER-PUTNAM-ROCK
     ISLAND-STEPHENSON-WHITESIDE.

     WINTER STORM WATCH NOW IN EFFECT MONDAY EVENING THROUGH TUESDAY
     MORNING FOR HENDERSON-WARREN.

MO...NONE.

&&

12
Hazardous weather outlook, Feb 24, 5:03 AM CST, 22 hours 47 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
503 AM CST SUN FEB 24 2008

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-251115-
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JEFFERSON-
HENRY IA-DES MOINES-VAN BUREN-LEE-JO DAVIESS-STEPHENSON-CARROLL-
WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-HENDERSON-
WARREN-HANCOCK-MCDONOUGH-SCOTLAND-CLARK-
503 AM CST SUN FEB 24 2008

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

PATCHY AREAS OF FOG WILL CONTINUE THROUGH MID MORNING. MOST OF THE
FOG WILL BE LIGHT...BUT A FEW AREAS MAY EXPERIENCE LOCALLY DENSE FOG
AROUND SUNRISE...REDUCING VISIBILITIES DOWN TO A QUARTER MILE OR
LESS. THE DENSE FOG WILL BE MORE PRONE IN RIVER VALLEYS AND OTHER
LOW-LYING AREAS.

MILDER AND MOIST AIR MOVING UP OVER THE AREA AND THE SNOWPACK IN
PLACE...MAY FORM LOW CLOUDS AND FOG TONIGHT. THE FOG COULD BECOME
LOCALLY DENSE AGAIN IN SOME LOCATIONS. THERE WILL BE A LOW CHANCE FOR
SOME LIGHT FREEZING RAIN LATE TONIGHT AS A LARGE STORM SYSTEM HEADS
TOWARD THE AREA. THE BEST CHANCE FOR THIS LIGHT FREEZING RAIN WILL BE
SOUTHWEST OF A LINE FROM SIGOURNEY...TO BURLINGTON MAINLY AFTER 2
AM CST.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

A WINTER STORM WILL STRENGTHEN AS IT MOVES ALONG THE IOWA...MISSOURI
BORDER MONDAY AFTERNOON AND INTO CENTRAL ILLINOIS MONDAY NIGHT.
PRECIPITATION WILL DEVELOP AND MOVE INTO PORTIONS OF THE OUTLOOK
AREA MONDAY MORNING... WITH MAINLY RAIN SOUTH OF HIGHWAY 34... AND
A WINTRY MIX OF RAIN... FREEZING RAIN... AND SLEET TO THE NORTH.
AS THE STORM SYSTEM APPROACHES MONDAY AFTERNOON THE PRECIPITATION
WILL CHANGE TO SNOW FROM NORTHWEST TO SOUTHEAST ACROSS THE OUTLOOK
AREA INTO MONDAY EVENING. THE SNOW WILL THEN CONTINUE INTO EARLY
TUESDAY MORNING BEFORE TAPERING TO FLURRIES. A WINTER STORM WATCH
HAS BEEN ISSUED FROM MONDAY MORNING THROUGH TUESDAY MORNING FOR
MUCH OF THE OUTLOOK AREA ALONG AND NORTH OF INTERSTATE 80 FOR THE
POTENTIAL OF SIGNIFICANT SNOW ACCUMULATIONS OF 4 TO 8 INCHES.
CURRENT DATA SUGGESTS THE AXIS OF THE HEAVIEST SNOW AMOUNTS WILL BE
ALONG AND 30 MILES EITHER SIDE OF A CEDAR RAPIDS IOWA TO STERLING
ILLINOIS LINE. THUNDER SNOW IS ALSO POSSIBLE...WHICH WOULD RESULT
IN LOCALLY HIGHER AMOUNTS. SNOWFALL ACCUMULATIONS ARE EXPECTED TO
TAPER OFF HEADING SOUTH OF INTERSTATE 80...WITH AROUND AN INCH IN
FAR SOUTHEAST IOWA...WEST CENTRAL ILLINOIS AND NORTHEAST MISSOURI.
STRONG NORTHWEST WINDS DEVELOP MONDAY EVENING AND CONTINUE THROUGH
TUESDAY MORNING...CREATING BLOWING AND DRIFTING SNOW IN AREAS THAT
SEE A COUPLE INCHES OF MORE OF ACCUMULATION.

A CLIPPER SYSTEM WILL BRING ANOTHER CHANCE OF ACCUMULATING SNOW TO
THE REGION ON THURSDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 25, 3:50 AM CSTWinter Weather AdvisoryDVNDes Moines, Henry, Jefferson12 hr
Feb 25, 3:47 PM CSTSnow and Blowing Snow AdvisoryDVNBenton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more11 hr

Nearby

Winter Storm Warnings in Iowa, 2008Winter Storm Warnings in Illinois, 2008Every winter storm warning in 2008

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.