Alert archive / Iowa / Blizzard Warnings in 2009

Blizzard Warning 1, NWS Quad Cities, IA

January 12, 20099 counties in Illinois; 16 counties in Iowa

NWS Quad Cities, IA issued this blizzard warning at Jan 12, 2009, 1:06 PM CST for 9 counties in Illinois; 16 counties in Iowa. It took effect at Jan 12, 2009, 6:00 PM CST. It was in force for 6 hr. 20 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
Jan 12, 2009, 1:06 PM CST (19:06 UTC)
In effect from
Jan 12, 2009, 6:00 PM CST
Expired
Jan 13, 2009, 12:07 AM CST
In force
6 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 19:06 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
Jan 12, 6:00 PM CSTSNOW 1.8Mount Joy, IANWS FORECAST OFFICE. SNOW DEPTH IS 3 INCHES.
Jan 12, 6:02 PM CSTSNOW 2.5Sw Durant, IA
Jan 12, 6:03 PM CSTSNOW 41 W Elmira, IASNOW DEPTH ESTIMATED 7-8 INCHES.
Jan 12, 6:04 PM CSTSNOW 1.9Moline, ILSNOW DEPTH 5 INCHES.
Jan 12, 6:05 PM CSTSNOW 1.5Clinton, IA1.5 INCHES OF NEW SNOW MAKING 7 INCHES ON THE GROUND.
Jan 12, 6:17 PM CSTSNOW 4.4Ese Calamus, IATOTAL OF NEW SNOWFALL. SNOW DEPTH OF 9 INCHES.
Jan 12, 6:50 PM CSTSNOW 2.83 Nw Mount Vernon, IA
Jan 12, 6:52 PM CSTSNOW 3Dubuque, IASTORM TOTAL. SNOW DEPTH 8 INCHES.
Jan 12, 6:53 PM CSTSNOW 3E Wyoming, IASNOW DEPTH 7 INCHES.
Jan 12, 6:58 PM CSTSNOW 1.82 W Dubuque, IA
Jan 12, 7:01 PM CSTSNOW 3.4Solon, IASTORM TOTAL. SNOW DEPTH 8 INCHES. STRONG NW WINDS JUST ARRIVED.
Jan 12, 7:56 PM CSTSNOW 2.8E Lisbon, IASNOW DEPTH OF 10 INCHES.
Jan 12, 7:56 PM CSTSNOW 3.51 S Marengo, IASNOW DEPTH OF 11 INCHES.
Jan 12, 7:58 PM CSTSNOW 1.51 W Cambridge, IL
Jan 12, 7:59 PM CSTSNOW 34 Wnw Dubuque, IASNOW DEPTH OF 14 INCHES.
Jan 12, 8:08 PM CSTSNOW 2.5Freeport, ILSNOW DEPTH OF 7 INCHES.
Jan 12, 8:19 PM CSTSNOW 3Charlotte, IA
Jan 12, 8:36 PM CSTSNOW 1.41 E Lone Tree Corners, ILHAD SOME FREEZING DRIZZLE WITH THE SNOW. SNOW DEPTH OF 9 INCHES.
Jan 12, 8:52 PM CSTBLIZZARDVictor, IALOCATION IS 1/2 MILE NORTH OF I-80. WINDS SUSTAINED AT 25 MPH, GUSTS TO 38 MPH. VISIBILITY IS LESS THAN A QUARTER MILE. BLOWING SO HARD DIFFICULT TO DETERMINE WHETHER IT IS SNOWING. DRIFTS AFFECTING ROADS.
Jan 12, 11:00 PM CSTBLIZZARD2 S Newhall, IAFREQUENT WHITE OUT CONDITIONS ON HIGHWAY 30 NEAR NEWHALL. SOME 2 FOOT SNOW DRIFTS ON MAIN HIGHWAY.

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, 7.1 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 12:00Z on 2009-01-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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 2009-01-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 square meters per square second.1939Sfc1 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
484 m above ground
0-6 km bulk shear
0 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
0 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 121906
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
106 PM CST MON JAN 12 2009

...BLIZZARD CONDITIONS TO DEVELOP TONIGHT AFTER ACCUMULATING SNOW
THIS AFTERNOON AND EVENING...

.AN INTENSE STORM SYSTEM WILL CONTINUE TO SWEEP ACROSS THE
MIDWEST...WITH THE FIRST ROUND OF SNOW CONTINUING TO SPREAD
ACROSS EASTERN IOWA AND INTO WESTERN ILLINOIS THIS AFTERNOON.
SNOWFALL AMOUNTS OF 1 TO 3 INCHES CAN BE EXPECTED BY EVENING WITH
THIS FIRST ROUND. THE STORM SYSTEM IS SMALL AND INTENSE...AND
THERE MAY BE A PERIOD OF HEAVY SNOW...WITH THUNDERSNOW POSSIBLE
THIS AFTERNOON. LOCALLY HIGHER AMOUNTS THAN THE 1 TO 3 INCHES ARE
POSSIBLE. THEN AS THE SYSTEM PASSES BY THE AREA...ANOTHER ROUND OF
SNOW WILL OCCUR TONIGHT OVER MOST OF THE AREA...WITH ANOTHER 1 TO
3 INCHES WITH LOCALLY HIGHER AMOUNTS OF ACCUMULATION EXPECTED BY TUESDAY
MORNING. THE HIGHER AMOUNTS ARE EXPECTED MAINLY ALONG AND NORTH OF
INTERSTATE 80. 1 TO 3 INCH TOTAL SNOWFALL AMOUNTS ARE EXPECTED BY
TUESDAY MORNING SOUTH OF HIGHWAY 34 FROM THIS AFTERNOON AND TONIGHT.

THE PRIMARY THREAT WILL BE DUE TO STRONG WINDS BLOWING OVER THE
FRESH POWDERY SNOW. WINDS SUSTAINED OVER 25 MPH TO NEAR 35 MPH ARE
EXPECTED...WITH GUSTS TO 40 MPH LIKELY THIS EVENING THROUGH
TUESDAY MORNING. THESE WINDS WILL CREATE WIDESPREAD BLOWING
SNOW...FREQUENTLY REDUCING VISIBILITY TO UNDER 1/4 MILE IN OPEN
AREAS. WHITE-OUT CONDITIONS...WITH DANGEROUS TRAVEL ARE LIKELY
ACROSS MUCH OF EASTERN IOWA AND NORTHWEST ILLINOIS TONIGHT AND
INTO TUESDAY MORNING.

IAZ040>042-051>053-063>065-067-076>078-130315-
/O.UPG.KDVN.BZ.A.0001.090113T0000Z-090113T1800Z/
/O.NEW.KDVN.BZ.W.0001.090113T0000Z-090113T1500Z/
/O.CON.KDVN.WW.Y.0003.000000T0000Z-090113T0000Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-IOWA-JOHNSON-CEDAR-
MUSCATINE-KEOKUK-WASHINGTON-LOUISA-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MARENGO...IOWA CITY...TIPTON...
MUSCATINE...SIGOURNEY...WASHINGTON...WAPELLO
106 PM CST MON JAN 12 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...
...BLIZZARD WARNING IN EFFECT FROM 6 PM THIS EVENING TO 9 AM CST
TUESDAY...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 9 AM CST
TUESDAY. THE BLIZZARD WATCH IS NO LONGER IN EFFECT. A WINTER
WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON.

SNOW WILL CONTINUE THROUGH THIS EVENING. WIDESPREAD ACCUMULATIONS OF
2 TO 4 INCHES ARE EXPECTED WITH LOCALLY HIGHER AMOUNTS POSSIBLE.

STRONG SUSTAINED WINDS OF 20 TO 35 MPH WITH GUSTS TO OVER 40 MPH
WILL DEVELOP EARLY THIS EVENING AND INTO TUESDAY MORNING.
DANGEROUS TRAVEL CONDITIONS ARE LIKELY TONIGHT AS BLOWING SNOW
PRODUCES VISIBILITY UNDER 1/4 MILE FOR EXTENDED PERIODS OF TIME.
WHITE OUT CONDITIONS ARE LIKELY...ESPECIALLY IN RURAL AND OPEN AREAS.

IN ADDITION...THE STRONG WINDS AND FALLING TEMPERATURES WILL
RESULT IN WIND CHILLS OF 20 TO 30 BELOW ZERO LATE TONIGHT INTO
TUESDAY MORNING.

A BLIZZARD WARNING MEANS THAT FALLING AND BLOWING SNOW...STRONG
WINDS AND POOR VISIBILITIES OF ONE-QUARTER MILE OR LESS ARE
OCCURRING OR IMMINENT. THIS WILL CAUSE WHITEOUT CONDITIONS...
MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL IF YOU MUST
TRAVEL DUE TO AN EMERGENCY...TAKE YOUR WINTER SURVIVAL KIT. IF YOU
GET STRANDED...STAY WITH YOUR VEHICLE UNTIL HELP ARRIVES.


$$

IAZ054-066-068-ILZ001-002-007-009-015>018-024-130315-
/O.UPG.KDVN.BZ.A.0001.090113T0000Z-090113T1800Z/
/O.NEW.KDVN.BZ.W.0001.090113T0300Z-090113T1800Z/
/O.EXT.KDVN.WW.Y.0003.000000T0000Z-090113T0300Z/
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
106 PM CST MON JAN 12 2009

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 9 PM CST THIS
EVENING...
...BLIZZARD WARNING IN EFFECT FROM 9 PM THIS EVENING TO 12 PM CST
TUESDAY...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 12 PM CST
TUESDAY. THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 9 PM
CST THIS EVENING. THE BLIZZARD WATCH IS NO LONGER IN EFFECT. 

SNOW WILL CONTINUE TO OVERSPREAD ACROSS THE AREA THROUGH THE
AFTERNOON AND CONTINUE INTO THIS EVENING. WIDESPREAD
ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED WITH LOCALLY HIGHER
AMOUNTS POSSIBLE.

STRONG SUSTAINED WINDS OF 20 TO 35 MPH WITH GUSTS TO OVER 40 MPH
WILL DEVELOP EARLY THIS EVENING AND LAST INTO TUESDAY MORNING.
DANGEROUS TRAVEL CONDITIONS ARE LIKELY TONIGHT AS BLOWING SNOW
PRODUCES VISIBILITY UNDER 1/4 MILE FOR EXTENDED PERIODS OF TIME.
WHITE OUT CONDITIONS ARE LIKELY...ESPECIALLY IN RURAL AND OPEN AREAS.

IN ADDITION...THE STRONG WINDS AND FALLING TEMPERATURES WILL
RESULT IN WIND CHILLS OF 20 TO 30 BELOW ZERO LATE TONIGHT INTO
TUESDAY MORNING.

A BLIZZARD WARNING MEANS THAT FALLING AND BLOWING SNOW...STRONG
WINDS AND POOR VISIBILITIES OF ONE-QUARTER MILE OR LESS ARE
OCCURRING OR IMMINENT. THIS WILL CAUSE WHITEOUT CONDITIONS...
MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL IF YOU MUST
TRAVEL DUE TO AN EMERGENCY...TAKE YOUR WINTER SURVIVAL KIT. IF YOU
GET STRANDED...STAY WITH YOUR VEHICLE UNTIL HELP ARRIVES.


$$

ILZ034-035-130315-
/O.NEW.KDVN.WW.Y.0004.090113T0300Z-090113T1800Z/
HANCOCK-MCDONOUGH-
INCLUDING THE CITIES OF...CARTHAGE...MACOMB
106 PM CST MON JAN 12 2009

...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO
12 PM CST TUESDAY...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WINTER
WEATHER ADVISORY FOR STRONG WINDS...BLOWING SNOW AND DANGEROUS
WIND CHILLS...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 12 PM CST
TUESDAY.

SNOW WILL CONTINUE TO SPREAD ACROSS THE AREA THIS AFTERNOON WITH
ACCUMULATIONS OF 1 TO 2 INCHES. THEN ANOTHER ROUND OF SNOW WILL
OCCUR OVERNIGHT...MAKING FOR WIDESPREAD ACCUMULATIONS OF 1 TO 3
INCHES POSSIBLE BY TUESDAY MORNING.

STRONG SUSTAINED WINDS OF 20 TO 35 MPH WITH GUSTS TO OVER 40 MPH
WILL DEVELOP BY MID EVENING...AND LAST INTO TUESDAY MORNING. EVEN
WITH THE LIGHT SNOW ACCUMULATIONS...THESE STRONG WINDS WILL MAKE
FOR SOME POTENTIALLY DANGEROUS TRAVEL CONDITIONS LATER TONIGHT
WITH SOME BLOWING AND DRIFTING SNOW REDUCING VISIBILITIES.
OCCASIONAL BOUTS OF NEAR WHITE-OUT CONDITIONS ARE POSSIBLE IN
RURAL AND OPEN AREAS.

IN ADDITION...THE STRONG WINDS AND FALLING TEMPERATURES WILL
RESULT IN WIND CHILLS OF 20 TO 25 BELOW ZERO LATE TONIGHT INTO
TUESDAY MORNING.

$$

IAZ099-MOZ009-010-130315-
/O.EXB.KDVN.WW.Y.0003.090113T0000Z-090113T1500Z/
LEE-SCOTLAND-CLARK-
INCLUDING THE CITIES OF...FORT MADISON...MEMPHIS...KAHOKA
106 PM CST MON JAN 12 2009

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

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WINTER
WEATHER ADVISORY FOR STRONG WINDS...BLOWING SNOW AND DANGEROUS
WIND CHILLS...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 9 AM CST
TUESDAY.

SNOW WILL CONTINUE TO SPREAD ACROSS THE AREA THIS AFTERNOON WITH
ACCUMULATIONS OF 1 TO 2 INCHES. THEN ANOTHER ROUND OF SNOW WILL
OCCUR OVERNIGHT...MAKING FOR WIDESPREAD ACCUMULATIONS OF 1 TO 3
INCHES POSSIBLE BY TUESDAY MORNING.

STRONG SUSTAINED WINDS OF 20 TO 35 MPH WITH GUSTS TO OVER 40 MPH
WILL DEVELOP BY EARLY EVENING...AND LAST INTO TUESDAY MORNING. EVEN
WITH THE LIGHT SNOW ACCUMULATIONS...THESE STRONG WINDS WILL MAKE
FOR SOME POTENTIALLY DANGEROUS TRAVEL CONDITIONS TONIGHT WITH SOME
BLOWING AND DRIFTING SNOW REDUCING VISIBILITIES. OCCASIONAL BOUTS
OF NEAR WHITE-OUT CONDITIONS ARE POSSIBLE IN RURAL AND OPEN AREAS.

IN ADDITION...THE STRONG WINDS AND FALLING TEMPERATURES WILL
RESULT IN WIND CHILLS OF 20 TO 25 BELOW ZERO LATE TONIGHT INTO
TUESDAY MORNING.

$$

IAZ087-088-130315-
/O.UPG.KDVN.BZ.A.0001.090113T0000Z-090113T1800Z/
/O.EXT.KDVN.WW.Y.0003.000000T0000Z-090113T1500Z/
JEFFERSON-HENRY IA-
INCLUDING THE CITIES OF...FAIRFIELD...MOUNT PLEASANT
106 PM CST MON JAN 12 2009

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 9 AM CST TUESDAY...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 9 AM CST
TUESDAY. THE BLIZZARD WATCH IS NO LONGER IN EFFECT. 

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS CONTINUED A WINTER
WEATHER ADVISORY FOR SNOW...STRONG WINDS...BLOWING SNOW AND DANGEROUS
WIND CHILLS...WHICH IS NOW IN EFFECT THROUGH 9 AM CST TUESDAY.

SNOW WILL CONTINUE THROUGH MID AFTERNOON WITH ACCUMULATIONS OF 1
TO 3 INCHES. THEN ANOTHER ROUND OF SNOW WILL OCCUR OVERNIGHT...
MAKING FOR WIDESPREAD ACCUMULATIONS OF 2 TO 4 INCHES POSSIBLE BY
TUESDAY MORNING.

STRONG SUSTAINED WINDS OF 20 TO 35 MPH WITH GUSTS TO OVER 40 MPH
WILL DEVELOP BY EARLY EVENING...AND LAST INTO TUESDAY MORNING. THESE
STRONG WINDS WILL MAKE FOR DANGEROUS TRAVEL CONDITIONS TONIGHT
WITH BLOWING AND DRIFTING SNOW REDUCING VISIBILITIES TO UNDER A
MILE AT TIMES. NEAR WHITE-OUT CONDITIONS ARE POSSIBLE IN RURAL
AND OPEN AREAS.

IN ADDITION...THE STRONG WINDS AND FALLING TEMPERATURES WILL
RESULT IN WIND CHILLS OF 20 TO 30 BELOW ZERO LATE TONIGHT INTO
TUESDAY MORNING.

$$

IAZ089-098-130315-
/O.EXT.KDVN.WW.Y.0003.000000T0000Z-090113T1500Z/
DES MOINES-VAN BUREN-
INCLUDING THE CITIES OF...BURLINGTON...KEOSAUQUA.
106 PM CST MON JAN 12 2009

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 9 AM CST TUESDAY...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 9 AM CST
TUESDAY. 

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS CONTINUED A WINTER
WEATHER ADVISORY FOR SNOW...STRONG WINDS...BLOWING SNOW AND DANGEROUS
WIND CHILLS...WHICH IS NOW IN EFFECT THROUGH 9 AM CST TUESDAY.

SNOW WILL CONTINUE THROUGH MID AFTERNOON WITH ACCUMULATIONS OF 1
TO 3 INCHES. THEN ANOTHER ROUND OF SNOW WILL OCCUR OVERNIGHT...
MAKING FOR WIDESPREAD ACCUMULATIONS OF 2 TO 4 INCHES POSSIBLE BY
TUESDAY MORNING.

STRONG SUSTAINED WINDS OF 20 TO 35 MPH WITH GUSTS TO OVER 40 MPH
WILL DEVELOP BY EARLY EVENING...AND LAST INTO TUESDAY MORNING. THESE
STRONG WINDS WILL MAKE FOR DANGEROUS TRAVEL CONDITIONS TONIGHT
WITH BLOWING AND DRIFTING SNOW REDUCING VISIBILITIES TO UNDER A
MILE AT TIMES. NEAR WHITE-OUT CONDITIONS ARE POSSIBLE IN RURAL
AND OPEN AREAS.

IN ADDITION...THE STRONG WINDS AND FALLING TEMPERATURES WILL
RESULT IN WIND CHILLS OF 20 TO 30 BELOW ZERO LATE TONIGHT INTO
TUESDAY MORNING.


$$

ILZ025-026-130315-
/O.EXT.KDVN.WW.Y.0003.000000T0000Z-090113T1800Z/
HENDERSON-WARREN-
INCLUDING THE CITIES OF...OQUAWKA...MONMOUTH
106 PM CST MON JAN 12 2009

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 12 PM CST
TUESDAY...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 12 PM CST
TUESDAY. 

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS EXTENDED A WINTER
WEATHER ADVISORY FOR SNOW...STRONG WINDS...BLOWING SNOW AND DANGEROUS
WIND CHILLS...WHICH IS NOW IN EFFECT THROUGH 12 PM CST TUESDAY.

SNOW WILL CONTINUE ACROSS THE AREA THIS AFTERNOON WITH
ACCUMULATIONS OF 1 TO 3 INCHES. THEN ANOTHER ROUND OF SNOW WILL
OCCUR OVERNIGHT...MAKING FOR WIDESPREAD ACCUMULATIONS OF 2 TO 4
INCHES BY TUESDAY MORNING.

STRONG SUSTAINED WINDS OF 20 TO 35 MPH WITH GUSTS TO OVER 40 MPH
WILL DEVELOP BY MID EVENING...AND LAST INTO TUESDAY MORNING. THESE
STRONG WINDS WILL MAKE FOR SOME POTENTIALLY DANGEROUS TRAVEL
CONDITIONS LATER TONIGHT WITH BLOWING AND DRIFTING SNOW SEVERELY
REDUCING VISIBILITIES. OCCASIONAL BOUTS OF NEAR WHITE-OUT CONDITIONS
ARE POSSIBLE IN RURAL AND OPEN AREAS.

IN ADDITION...THE STRONG WINDS AND FALLING TEMPERATURES WILL
RESULT IN WIND CHILLS OF 20 TO 30 BELOW ZERO LATE TONIGHT INTO
TUESDAY MORNING.

$$

12
3 follow-up statements
000 
WWUS43 KDVN 122148
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
348 PM CST MON JAN 12 2009

...BLIZZARD CONDITIONS TO DEVELOP TONIGHT AFTER ACCUMULATING SNOW
THIS AFTERNOON AND EVENING...

.AN INTENSE STORM SYSTEM WILL CONTINUE TO SWEEP ACROSS THE
MIDWEST...WITH THE FIRST ROUND OF SNOW CONTINUING TO SPREAD
ACROSS THE MISSISSIPPI RIVER INTO WESTERN ILLINOIS LATE THIS
AFTERNOON. SNOWFALL AMOUNTS OF 1 TO 4 INCHES HAVE ALREADY OCCURRED
IN EASTERN IOWA...AND ANOTHER 1 TO 2 INCHES MAY OCCUR IN NORTHWEST
ILLINOIS BY EARLY EVENING. AFTER THE SNOW TEMPORARILY ENDS FROM
WEST TO EAST LATE THIS AFTERNOON AND EVENING...SOME FREEZING
DRIZZLE MAY OCCUR. THEN AS THE MAIN STORM SYSTEM PASSES BY THE
AREA...ANOTHER ROUND OF SNOW WILL OCCUR TONIGHT OVER MOST OF THE
AREA...WITH ANOTHER 1 TO 3 INCHES WITH LOCALLY HIGHER AMOUNTS OF
ACCUMULATION POSSIBLE BY TUESDAY MORNING. THE HIGHER AMOUNTS
TONIGHT ARE EXPECTED TO OCCUR MAINLY ALONG AND NORTH OF
INTERSTATE 80 UP TO THE HIGHWAY 30 CORRIDOR. 1 TO 3 INCH TOTAL
SNOWFALL AMOUNTS ARE EXPECTED BY TUESDAY MORNING SOUTH OF HIGHWAY
34 FROM THIS AFTERNOON AND TONIGHT.

THE PRIMARY THREAT WILL BE DUE TO STRONG WINDS BLOWING OVER THE
ONGOING SNOW PACK AND THE NEW SNOW. SUSTAINED NORTHWEST WINDS OVER
25 MPH TO NEAR 35 MPH ARE EXPECTED...WITH GUSTS OVER 40 MPH LIKELY
THIS EVENING THROUGH TUESDAY MORNING. THESE WINDS WILL CREATE
WIDESPREAD BLOWING SNOW...FREQUENTLY REDUCING VISIBILITY TO UNDER
1/4 MILE IN OPEN AREAS. WHITE-OUT CONDITIONS...WITH DANGEROUS
TRAVEL ARE LIKELY ACROSS MUCH OF EASTERN IOWA AND NORTHWEST
ILLINOIS TONIGHT AND INTO TUESDAY MORNING.

IAZ040>042-051>053-063>065-067-076>078-130600-
/O.CON.KDVN.BZ.W.0001.090113T0000Z-090113T1500Z/
/O.CON.KDVN.WW.Y.0003.000000T0000Z-090113T0000Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-IOWA-JOHNSON-CEDAR-
MUSCATINE-KEOKUK-WASHINGTON-LOUISA-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MARENGO...IOWA CITY...TIPTON...
MUSCATINE...SIGOURNEY...WASHINGTON...WAPELLO
348 PM CST MON JAN 12 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...
...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 9 AM CST TUESDAY...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 9 AM CST TUESDAY. A
WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON. 

MORE ROUNDS OF SNOW WILL CONTINUE THROUGH THE EVENING. ADDITIONAL
ACCUMULATIONS OF 1 TO 3 INCHES ARE EXPECTED WITH LOCALLY HIGHER
AMOUNTS POSSIBLE.

STRONG SUSTAINED WINDS OF 20 TO 35 MPH WITH GUSTS TO OVER 40 MPH
WILL DEVELOP EARLY THIS EVENING AND INTO TUESDAY MORNING.
DANGEROUS TRAVEL CONDITIONS ARE LIKELY TONIGHT AS BLOWING SNOW
PRODUCES VISIBILITY UNDER 1/4 MILE FOR EXTENDED PERIODS OF TIME.
WHITE OUT CONDITIONS ARE LIKELY...ESPECIALLY IN RURAL AND OPEN
AREAS.

IN ADDITION...THE STRONG WINDS AND FALLING TEMPERATURES WILL
RESULT IN WIND CHILLS OF 20 TO 30 BELOW ZERO LATE TONIGHT INTO
TUESDAY MORNING.

A BLIZZARD WARNING MEANS THAT FALLING AND BLOWING SNOW...STRONG
WINDS AND POOR VISIBILITIES OF ONE-QUARTER MILE OR LESS ARE
OCCURRING OR IMMINENT. THIS WILL CAUSE WHITEOUT CONDITIONS...
MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL IF YOU MUST
TRAVEL DUE TO AN EMERGENCY...TAKE YOUR WINTER SURVIVAL KIT. IF
YOU GET STRANDED...STAY WITH YOUR VEHICLE UNTIL HELP ARRIVES.

$$

IAZ054-066-068-ILZ001-002-007-009-015>018-024-130600-
/O.CON.KDVN.BZ.W.0001.090113T0300Z-090113T1800Z/
/O.CON.KDVN.WW.Y.0003.000000T0000Z-090113T0300Z/
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
348 PM CST MON JAN 12 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING...
...BLIZZARD WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO
12 PM CST TUESDAY...

A BLIZZARD WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO
12 PM CST TUESDAY. A WINTER WEATHER ADVISORY REMAINS IN EFFECT
UNTIL 9 PM CST THIS EVENING. 

MORE ROUNDS OF SNOW ARE EXPECTED ACROSS THE AREA THIS EVENING...
WITH ADDITIONAL ACCUMULATIONS OF 1 TO 3 INCHES EXPECTED WITH
LOCALLY HIGHER AMOUNTS POSSIBLE. WHEN THE SNOW TEMPORARILY
ENDS...SOME FREEZING DRIZZLE MAY OCCUR.

STRONG SUSTAINED WINDS OF 20 TO 35 MPH WITH GUSTS TO OVER 40 MPH
WILL DEVELOP THIS EVENING AND LAST INTO TUESDAY MORNING.
DANGEROUS TRAVEL CONDITIONS ARE LIKELY TONIGHT AS BLOWING SNOW
PRODUCES VISIBILITY UNDER 1/4 MILE FOR EXTENDED PERIODS OF TIME.
WHITE OUT CONDITIONS ARE LIKELY...ESPECIALLY IN RURAL AND OPEN
AREAS.

IN ADDITION...THE STRONG WINDS AND FALLING TEMPERATURES WILL
RESULT IN WIND CHILLS OF 20 TO 30 BELOW ZERO LATE TONIGHT INTO
TUESDAY MORNING.

A BLIZZARD WARNING MEANS THAT FALLING AND BLOWING SNOW...STRONG
WINDS AND POOR VISIBILITIES OF ONE-QUARTER MILE OR LESS ARE
OCCURRING OR IMMINENT. THIS WILL CAUSE WHITEOUT CONDITIONS...
MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL IF YOU MUST
TRAVEL DUE TO AN EMERGENCY...TAKE YOUR WINTER SURVIVAL KIT. IF
YOU GET STRANDED...STAY WITH YOUR VEHICLE UNTIL HELP ARRIVES.

$$

IAZ099-MOZ009-010-130600-
/O.CON.KDVN.WW.Y.0003.090113T0000Z-090113T1500Z/
LEE-SCOTLAND-CLARK-
INCLUDING THE CITIES OF...FORT MADISON...MEMPHIS...KAHOKA
348 PM CST MON JAN 12 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST
TUESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST
TUESDAY. 

OCCASIONAL ROUNDS OF SNOW WILL CONTINUE TONIGHT WITH ADDITIONAL
ACCUMULATIONS OF 1 TO 2 INCHES POSSIBLE. 

STRONG SUSTAINED WINDS OF 20 TO 35 MPH WITH GUSTS TO OVER 40 MPH
WILL DEVELOP BY EARLY EVENING...AND LAST INTO TUESDAY MORNING.
EVEN WITH THE LIGHT SNOW ACCUMULATIONS...THESE STRONG WINDS WILL
MAKE FOR SOME POTENTIALLY DANGEROUS TRAVEL CONDITIONS TONIGHT
WITH SOME BLOWING AND DRIFTING SNOW REDUCING VISIBILITIES.
OCCASIONAL BOUTS OF NEAR WHITE-OUT CONDITIONS ARE POSSIBLE IN
RURAL AND OPEN AREAS.

IN ADDITION...THE STRONG WINDS AND FALLING TEMPERATURES WILL
RESULT IN WIND CHILLS OF 15 TO 25 BELOW ZERO LATE TONIGHT INTO
TUESDAY MORNING.

$$

IAZ087>089-098-130600-
/O.CON.KDVN.WW.Y.0003.000000T0000Z-090113T1500Z/
JEFFERSON-HENRY IA-DES MOINES-VAN BUREN-
INCLUDING THE CITIES OF...FAIRFIELD...MOUNT PLEASANT...
BURLINGTON...KEOSAUQUA.
348 PM CST MON JAN 12 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST
TUESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST
TUESDAY. 

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS CONTINUED A
WINTER WEATHER ADVISORY FOR SNOW...STRONG WINDS...BLOWING SNOW
AND DANGEROUS WIND CHILLS...WHICH IS NOW IN EFFECT THROUGH 9 AM
CST TUESDAY.

ROUNDS OF SNOW AND FREEZING DRIZZLE WILL CONTINUE THROUGH
TONIGHT...WITH NEW SNOW ACCUMULATIONS OF 1 TO 2 INCHES POSSIBLE. 

STRONG SUSTAINED WINDS OF 25 TO 35 MPH WITH GUSTS TO OVER 40 MPH
WILL DEVELOP BY EARLY EVENING...AND LAST INTO TUESDAY MORNING.
EVEN WITH LIGHT SNOW ACCUMULATIONS...THESE STRONG WINDS WILL MAKE FOR 
DANGEROUS TRAVEL CONDITIONS TONIGHT WITH BLOWING AND DRIFTING SNOW
REDUCING VISIBILITIES TO UNDER A MILE AT TIMES. NEAR WHITE-OUT
CONDITIONS ARE POSSIBLE IN RURAL AND OPEN AREAS.

IN ADDITION...THE STRONG WINDS AND FALLING TEMPERATURES WILL
RESULT IN WIND CHILLS OF 15 TO 25 BELOW ZERO LATE TONIGHT INTO
TUESDAY MORNING.

$$

ILZ034-035-130600-
/O.CON.KDVN.WW.Y.0004.090113T0300Z-090113T1800Z/
HANCOCK-MCDONOUGH-
INCLUDING THE CITIES OF...CARTHAGE...MACOMB
348 PM CST MON JAN 12 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM THIS
EVENING TO 12 PM CST TUESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM THIS
EVENING TO 12 PM CST TUESDAY. 

OCCASIONAL ROUNDS OF SNOW WILL CONTINUE INTO THE OVERNIGHT...WITH
NEW SNOW ACCUMULATIONS OF 1 TO 2 INCHES POSSIBLE. FREEZING DRIZZLE
MAY ALSO OCCUR WHEN IT IS NOT SNOWING

STRONG SUSTAINED WINDS OF 20 TO 35 MPH WITH GUSTS TO OVER 40 MPH
WILL DEVELOP BY MID EVENING...AND LAST INTO TUESDAY MORNING. EVEN
WITH THE LIGHT SNOW ACCUMULATIONS...THESE STRONG WINDS WILL MAKE
FOR SOME POTENTIALLY DANGEROUS TRAVEL CONDITIONS LATER TONIGHT
WITH SOME BLOWING AND DRIFTING SNOW REDUCING VISIBILITIES.
OCCASIONAL BOUTS OF NEAR WHITE-OUT CONDITIONS ARE POSSIBLE IN
RURAL AND OPEN AREAS.

IN ADDITION...THE STRONG WINDS AND FALLING TEMPERATURES WILL
RESULT IN WIND CHILLS OF 15 TO 25 BELOW ZERO LATE TONIGHT INTO
TUESDAY MORNING.

$$

ILZ025-026-130600-
/O.CON.KDVN.WW.Y.0003.000000T0000Z-090113T1800Z/
HENDERSON-WARREN-
INCLUDING THE CITIES OF...OQUAWKA...MONMOUTH
348 PM CST MON JAN 12 2009

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

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

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS EXTENDED A WINTER
WEATHER ADVISORY FOR SNOW...STRONG WINDS...BLOWING SNOW AND
DANGEROUS WIND CHILLS...WHICH IS NOW IN EFFECT THROUGH 12 PM CST
TUESDAY.

MORE ROUNDS OF SNOW ARE EXPECTED ACROSS THE AREA THIS EVENING AND
INTO THE OVERNIGHT. NEW SNOW ACCUMULATIONS OF 1 TO 2 INCHES WILL
BE POSSIBLE BY TUESDAY MORNING. SOME FREEZING DRIZZLE MAY ALSO
OCCUR WHEN IT IS NOT SNOWING.

STRONG SUSTAINED WINDS OF 20 TO 35 MPH WITH GUSTS TO OVER 40 MPH
WILL DEVELOP BY MID EVENING...AND LAST INTO TUESDAY MORNING.
THESE STRONG WINDS WILL MAKE FOR SOME POTENTIALLY DANGEROUS
TRAVEL CONDITIONS LATER TONIGHT WITH BLOWING AND DRIFTING SNOW
SEVERELY REDUCING VISIBILITIES. OCCASIONAL BOUTS OF NEAR WHITE-
OUT CONDITIONS ARE POSSIBLE IN RURAL AND OPEN AREAS.

IN ADDITION...THE STRONG WINDS AND FALLING TEMPERATURES WILL
RESULT IN WIND CHILLS OF 15 TO 25 BELOW ZERO LATE TONIGHT INTO
TUESDAY MORNING.

$$

12
000 
WWUS43 KDVN 130240
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
840 PM CST MON JAN 12 2009

...BLIZZARD CONDITIONS TO DEVELOP TONIGHT AFTER ACCUMULATING SNOW
EARLIER THIS AFTERNOON AND EVENING...

.AN INTENSE STORM SYSTEM HAS PRODUCED SNOWFALL AMOUNTS OF 1 TO 4
INCHES...ANOTHER INCH MAY OCCUR THIS EVENING. AS THE ARCTIC FRONT
ARRIVES...WINDS WILL RAPIDLY INCREASE TO 25 TO 35 MPH WITH GUSTS
TO 40 MPH INTO TUESDAY MORNING. THESE STRONG WINDS WILL RESULT IN 
WIDESPREAD BLOWING SNOW...REDUCING VISIBILITY TO UNDER 1/4 MILE
AT TIMES IN OPEN AREAS. WHITE-OUT CONDITIONS...WITH DANGEROUS
TRAVEL ARE LIKELY ACROSS MUCH OF EASTERN IOWA AND NORTHWEST
ILLINOIS TONIGHT AND INTO TUESDAY MORNING.

IAZ054-066-068-ILZ001-002-007-009-015>018-024-131045-
/O.EXP.KDVN.WW.Y.0003.000000T0000Z-090113T0300Z/
/O.CON.KDVN.BZ.W.0001.090113T0300Z-090113T1800Z/
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
840 PM CST MON JAN 12 2009

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 12 PM CST TUESDAY...
...WINTER WEATHER ADVISORY WILL EXPIRE AT 9 PM CST THIS EVENING...

THE WINTER WEATHER ADVISORY WILL EXPIRE AT 9 PM CST THIS EVENING.
A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 12 PM CST TUESDAY. 

STRONG SUSTAINED WINDS OF 20 TO 35 MPH WITH GUSTS TO OVER 40 MPH
WILL DEVELOP THIS EVENING AND LAST INTO TUESDAY MORNING. DANGEROUS
TRAVEL CONDITIONS ARE LIKELY TONIGHT AS BLOWING SNOW PRODUCES
VISIBILITY UNDER 1/4 MILE FOR EXTENDED PERIODS OF TIME. WHITE OUT
CONDITIONS ARE LIKELY...ESPECIALLY IN RURAL AND OPEN AREAS.

IN ADDITION...THE STRONG WINDS AND FALLING TEMPERATURES WILL
RESULT IN WIND CHILLS OF 20 TO 30 BELOW ZERO LATE TONIGHT INTO
TUESDAY MORNING.

A BLIZZARD WARNING MEANS THAT FALLING AND BLOWING SNOW...STRONG
WINDS AND POOR VISIBILITIES OF ONE-QUARTER MILE OR LESS ARE
OCCURRING OR IMMINENT.  THIS WILL CAUSE WHITEOUT CONDITIONS...
MAKING TRAVEL EXTREMELY DANGEROUS.  DO NOT TRAVEL  IF YOU MUST
TRAVEL DUE TO AN EMERGENCY...TAKE YOUR WINTER SURVIVAL KIT.  IF
YOU GET STRANDED...STAY WITH YOUR VEHICLE UNTIL HELP ARRIVES.

$$

IAZ040>042-051>053-063>065-067-076>078-131045-
/O.CON.KDVN.BZ.W.0001.000000T0000Z-090113T1500Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-IOWA-JOHNSON-CEDAR-
MUSCATINE-KEOKUK-WASHINGTON-LOUISA-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MARENGO...IOWA CITY...TIPTON...
MUSCATINE...SIGOURNEY...WASHINGTON...WAPELLO
840 PM CST MON JAN 12 2009

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 9 AM CST TUESDAY...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 9 AM CST TUESDAY. 

STRONG SUSTAINED WINDS OF 20 TO 35 MPH WITH GUSTS TO OVER 40 MPH
WILL DEVELOP EARLY THIS EVENING AND INTO TUESDAY MORNING.
DANGEROUS TRAVEL CONDITIONS ARE LIKELY TONIGHT AS BLOWING SNOW
PRODUCES VISIBILITY UNDER 1/4 MILE FOR EXTENDED PERIODS OF TIME.
WHITE OUT CONDITIONS ARE LIKELY...ESPECIALLY IN RURAL AND OPEN
AREAS.

IN ADDITION...THE STRONG WINDS AND FALLING TEMPERATURES WILL
RESULT IN WIND CHILLS OF 20 TO 30 BELOW ZERO LATE TONIGHT INTO
TUESDAY MORNING.

A BLIZZARD WARNING MEANS THAT FALLING AND BLOWING SNOW...STRONG
WINDS AND POOR VISIBILITIES OF ONE-QUARTER MILE OR LESS ARE
OCCURRING OR IMMINENT. THIS WILL CAUSE WHITEOUT CONDITIONS...
MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL IF YOU MUST
TRAVEL DUE TO AN EMERGENCY...TAKE YOUR WINTER SURVIVAL KIT. IF
YOU GET STRANDED...STAY WITH YOUR VEHICLE UNTIL HELP ARRIVES.

$$

IAZ087>089-098-099-MOZ009-010-131045-
/O.CON.KDVN.WW.Y.0003.000000T0000Z-090113T1500Z/
JEFFERSON-HENRY IA-DES MOINES-VAN BUREN-LEE-SCOTLAND-CLARK-
INCLUDING THE CITIES OF...FAIRFIELD...MOUNT PLEASANT...
BURLINGTON...KEOSAUQUA....FORT MADISON...MEMPHIS...KAHOKA
840 PM CST MON JAN 12 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST
TUESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST
TUESDAY. 

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS CONTINUED A
WINTER WEATHER ADVISORY FOR SNOW...STRONG WINDS...BLOWING SNOW
AND DANGEROUS WIND CHILLS...WHICH IS NOW IN EFFECT THROUGH 9 AM
CST TUESDAY.

ROUNDS OF SNOW AND FREEZING DRIZZLE WILL CONTINUE THROUGH 
TONIGHT...WITH NEW SNOW ACCUMULATIONS OF 1 TO 2 INCHES POSSIBLE.

STRONG SUSTAINED WINDS OF 25 TO 35 MPH WITH GUSTS TO OVER 40 MPH
WILL DEVELOP BY EARLY EVENING...AND LAST INTO TUESDAY MORNING.
EVEN WITH LIGHT SNOW ACCUMULATIONS...THESE STRONG WINDS WILL MAKE
FOR DANGEROUS TRAVEL CONDITIONS TONIGHT WITH BLOWING AND DRIFTING
SNOW REDUCING VISIBILITIES TO UNDER A MILE AT TIMES. NEAR WHITE-
OUT CONDITIONS ARE POSSIBLE IN RURAL AND OPEN AREAS.

IN ADDITION...THE STRONG WINDS AND FALLING TEMPERATURES WILL
RESULT IN WIND CHILLS OF 15 TO 25 BELOW ZERO LATE TONIGHT INTO
TUESDAY MORNING.

$$

ILZ034-035-131045-
/O.CON.KDVN.WW.Y.0004.090113T0300Z-090113T1800Z/
HANCOCK-MCDONOUGH-
INCLUDING THE CITIES OF...CARTHAGE...MACOMB
840 PM CST MON JAN 12 2009

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

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

OCCASIONAL ROUNDS OF SNOW WILL CONTINUE INTO THE OVERNIGHT...WITH
NEW SNOW ACCUMULATIONS OF 1 TO 2 INCHES POSSIBLE. FREEZING
DRIZZLE MAY ALSO OCCUR WHEN IT IS NOT SNOWING

STRONG SUSTAINED WINDS OF 20 TO 35 MPH WITH GUSTS TO OVER 40 MPH
WILL DEVELOP BY MID EVENING...AND LAST INTO TUESDAY MORNING. EVEN
WITH THE LIGHT SNOW ACCUMULATIONS...THESE STRONG WINDS WILL MAKE
FOR SOME POTENTIALLY DANGEROUS TRAVEL CONDITIONS LATER TONIGHT
WITH SOME BLOWING AND DRIFTING SNOW REDUCING VISIBILITIES.
OCCASIONAL BOUTS OF NEAR WHITE-OUT CONDITIONS ARE POSSIBLE IN
RURAL AND OPEN AREAS.

IN ADDITION...THE STRONG WINDS AND FALLING TEMPERATURES WILL
RESULT IN WIND CHILLS OF 15 TO 25 BELOW ZERO LATE TONIGHT INTO
TUESDAY MORNING.

$$

ILZ025-026-131045-
/O.CON.KDVN.WW.Y.0003.000000T0000Z-090113T1800Z/
HENDERSON-WARREN-
INCLUDING THE CITIES OF...OQUAWKA...MONMOUTH
840 PM CST MON JAN 12 2009

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

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

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS EXTENDED A WINTER
WEATHER ADVISORY FOR SNOW...STRONG WINDS...BLOWING SNOW AND
DANGEROUS WIND CHILLS...WHICH IS NOW IN EFFECT THROUGH 12 PM CST
TUESDAY.

MORE ROUNDS OF SNOW ARE EXPECTED ACROSS THE AREA THIS EVENING AND
INTO THE OVERNIGHT. NEW SNOW ACCUMULATIONS OF 1 TO 2 INCHES WILL
BE POSSIBLE BY TUESDAY MORNING. SOME FREEZING DRIZZLE MAY ALSO
OCCUR WHEN IT IS NOT SNOWING.

STRONG SUSTAINED WINDS OF 20 TO 35 MPH WITH GUSTS TO OVER 40 MPH
WILL DEVELOP BY MID EVENING...AND LAST INTO TUESDAY MORNING.
THESE STRONG WINDS WILL MAKE FOR SOME POTENTIALLY DANGEROUS
TRAVEL CONDITIONS LATER TONIGHT WITH BLOWING AND DRIFTING SNOW
SEVERELY REDUCING VISIBILITIES. OCCASIONAL BOUTS OF NEAR WHITE-
OUT CONDITIONS ARE POSSIBLE IN RURAL AND OPEN AREAS.

IN ADDITION...THE STRONG WINDS AND FALLING TEMPERATURES WILL
RESULT IN WIND CHILLS OF 15 TO 25 BELOW ZERO LATE TONIGHT INTO
TUESDAY MORNING.

$$

NICHOLS
000 
WWUS43 KDVN 130607
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1207 AM CST TUE JAN 13 2009

...BLOWING AND DRIFTING SNOW DIMINISHING BY EARLY MORNING...

.SEVERAL MORE HOURS OF GUSTY WINDS AND BLOWING AND DRIFTING SNOW
ARE EXPECTED...WITH VISIBILITIES REMAINING ABOVE 1 MILE EXCEPT FOR
BRIEF PERIODS IN OPEN COUNTRY. BLIZZARD CONDITIONS ARE NO LONGER
EXPECTED. HOWEVER...DRIFTING WILL CONTINUE TO CAUSE PROBLEMS ON
ROADS NOT ACTIVELY BEING PLOWED.

IAZ054-066-068-ILZ001-002-007-009-015>018-024-130900-
/O.CAN.KDVN.BZ.W.0001.000000T0000Z-090113T1800Z/
/O.EXB.KDVN.WW.Y.0003.000000T0000Z-090113T0900Z/
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
1207 AM CST TUE JAN 13 2009

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 3 AM CST EARLY THIS
MORNING...
...BLIZZARD WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WINTER
WEATHER ADVISORY FOR BLOWING SNOW...WHICH IS IN EFFECT
UNTIL 3 AM CST EARLY THIS MORNING. THE BLIZZARD WARNING HAS BEEN
CANCELLED. 

SEVERAL MORE HOURS OF GUSTY WINDS AND BLOWING AND DRIFTING SNOW
ARE EXPECTED...WITH VISIBILITIES REMAINING ABOVE 1 MILE EXCEPT FOR
BRIEF PERIODS IN OPEN COUNTRY. BLIZZARD CONDITIONS ARE NO LONGER
EXPECTED. HOWEVER...DRIFTING WILL CONTINUE TO CAUSE PROBLEMS ON
ROADS NOT ACTIVELY BEING PLOWED.

IN ADDITION...THE STRONG WINDS AND FALLING TEMPERATURES WILL
RESULT IN WIND CHILLS OF 15 TO 25 BELOW ZERO LATE TONIGHT INTO
TUESDAY MORNING.

$$

IAZ040>042-051>053-063>065-067-076>078-130900-
/O.CAN.KDVN.BZ.W.0001.000000T0000Z-090113T1500Z/
/O.EXB.KDVN.WW.Y.0003.000000T0000Z-090113T0900Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-IOWA-JOHNSON-CEDAR-
MUSCATINE-KEOKUK-WASHINGTON-LOUISA-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MARENGO...IOWA CITY...TIPTON...
MUSCATINE...SIGOURNEY...WASHINGTON...WAPELLO
1207 AM CST TUE JAN 13 2009

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 3 AM CST EARLY THIS
MORNING...
...BLIZZARD WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WINTER
WEATHER ADVISORY FOR BLOWING SNOW...WHICH IS IN EFFECT
UNTIL 3 AM CST EARLY THIS MORNING. THE BLIZZARD WARNING HAS BEEN
CANCELLED. 

SEVERAL MORE HOURS OF GUSTY WINDS AND BLOWING AND DRIFTING SNOW
ARE EXPECTED...WITH VISIBILITIES REMAINING ABOVE 1 MILE EXCEPT FOR
BRIEF PERIODS IN OPEN COUNTRY. BLIZZARD CONDITIONS ARE NO LONGER
EXPECTED. HOWEVER...DRIFTING WILL CONTINUE TO CAUSE PROBLEMS ON
ROADS NOT ACTIVELY BEING PLOWED.

IN ADDITION...THE STRONG WINDS AND FALLING TEMPERATURES WILL
RESULT IN WIND CHILLS OF 15 TO 25 BELOW ZERO LATE TONIGHT INTO
TUESDAY MORNING.

$$

IAZ087>089-098-099-MOZ009-010-130900-
/O.EXT.KDVN.WW.Y.0003.000000T0000Z-090113T0900Z/
JEFFERSON-HENRY IA-DES MOINES-VAN BUREN-LEE-SCOTLAND-CLARK-
INCLUDING THE CITIES OF...FAIRFIELD...MOUNT PLEASANT...
BURLINGTON...KEOSAUQUA....FORT MADISON...MEMPHIS...KAHOKA
1207 AM CST TUE JAN 13 2009

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 3 AM CST EARLY
THIS MORNING...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 3 AM CST EARLY
THIS MORNING. 

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS CONTINUED A
WINTER WEATHER ADVISORY FOR SNOW...STRONG WINDS...BLOWING SNOW
AND DANGEROUS WIND CHILLS...WHICH IS NOW IN EFFECT THROUGH 9 AM
CST TUESDAY.

SEVERAL MORE HOURS OF GUSTY WINDS AND BLOWING AND DRIFTING SNOW
ARE EXPECTED...WITH VISIBILITIES REMAINING ABOVE 1 MILE EXCEPT FOR
BRIEF PERIODS IN OPEN COUNTRY. BLIZZARD CONDITIONS ARE NO LONGER
EXPECTED. HOWEVER...DRIFTING WILL CONTINUE TO CAUSE PROBLEMS ON
ROADS NOT ACTIVELY BEING PLOWED.

IN ADDITION...THE STRONG WINDS AND FALLING TEMPERATURES WILL
RESULT IN WIND CHILLS OF 15 TO 25 BELOW ZERO LATE TONIGHT INTO
TUESDAY MORNING.

$$

ILZ025-026-130900-
/O.EXT.KDVN.WW.Y.0003.000000T0000Z-090113T0900Z/
HENDERSON-WARREN-
INCLUDING THE CITIES OF...OQUAWKA...MONMOUTH
1207 AM CST TUE JAN 13 2009

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 3 AM CST EARLY
THIS MORNING...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 3 AM CST EARLY
THIS MORNING. 

SEVERAL MORE HOURS OF GUSTY WINDS AND BLOWING AND DRIFTING SNOW
ARE EXPECTED...WITH VISIBILITIES REMAINING ABOVE 1 MILE EXCEPT FOR
BRIEF PERIODS IN OPEN COUNTRY. HOWEVER...DRIFTING WILL CONTINUE
TO CAUSE PROBLEMS ON ROADS NOT ACTIVELY BEING PLOWED.

IN ADDITION...THE STRONG WINDS AND FALLING TEMPERATURES WILL
RESULT IN WIND CHILLS OF 15 TO 20 BELOW ZERO LATE TONIGHT INTO
TUESDAY MORNING.

$$

ILZ034-035-130900-
/O.EXT.KDVN.WW.Y.0004.000000T0000Z-090113T0900Z/
HANCOCK-MCDONOUGH-
INCLUDING THE CITIES OF...CARTHAGE...MACOMB
1207 AM CST TUE JAN 13 2009

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 3 AM CST EARLY
THIS MORNING...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 3 AM CST EARLY
THIS MORNING. 

SEVERAL MORE HOURS OF GUSTY WINDS AND BLOWING AND DRIFTING SNOW
ARE EXPECTED...WITH VISIBILITIES REMAINING ABOVE 1 MILE EXCEPT FOR
BRIEF PERIODS IN OPEN COUNTRY. HOWEVER...DRIFTING WILL CONTINUE
TO CAUSE PROBLEMS ON ROADS NOT ACTIVELY BEING PLOWED.

IN ADDITION...THE STRONG WINDS AND FALLING TEMPERATURES WILL
RESULT IN WIND CHILLS OF 15 TO 20 BELOW ZERO LATE TONIGHT INTO
TUESDAY MORNING.

$$

What forecasters said that day

The local office's own words before this blizzard 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 blizzard warning went out at Jan 12, 3:27 AM CST, 9 hours 39 minutes earlier.

Area forecast discussion, Jan 12, 3:27 AM CST, 9 hours 39 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
327 AM CST MON JAN 12 2009

...TWO INTENSE STORM SYSTEMS WILL IMPACT THE AREA THIS WEEK WITH
MAJOR TRAVEL HAZARDS...AND DANGEROUS COLD...

.SYNOPSIS...
NEAR BLIZZARD TO BLIZZARD CONDITIONS ARE LIKELY TONIGHT FROM AROUND
6 PM THROUGH TUESDAY MORNING.  AN INTENSE...TIGHTLY PACKED CLIPPER
SYSTEM ON THE NOSE OF AN ARCTIC FRONT WILL SWEEP ACROSS SOUTHEAST
IOWA OR NORTHEAST MISSOURI BY EARLY THIS EVENING. IN ADVANCE OF THIS
SYSTEM...SNOW WILL SPREAD ACROSS IOWA AND THE REST OF THE UPPER
MIDWEST. WINDS BEHIND THIS SYSTEM WILL BE ABLE TO MOVE THE CURRENT
AND ADDITIONAL SNOW WITH EASE...CREATING PERIODS OF WHITE OUT
CONDITIONS TONIGHT.

&&

.SHORT TERM...
MODELS HAVE NOW LOCKED INTO THE TRACK THAT WE HAVE PREFERRED FOR A
FEW DAYS NOW...IN THAT THE CLIPPER WILL MOST LIKELY MOVE SOUTHEAST
ALONG THE CURRENT EDGE OF THE SNOW PACK...WHICH WOULD BRING IT
ACROSS THE SOUTHERN PORTION OF THE CWA.  THIS TRACK PLACES THE
ENTIRE AREA IN ACCUMULATING SNOW TODAY AND TONIGHT.  SNOW
ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED TO BE WIDESPREAD ALONG
AND NORTH OF HIGHWAY 34. HOWEVER...MODELS SHOW SEASONALLY STRONG
INSTABILITY ALOFT...WITH THUNDERSNOW POSSIBLE THIS AFTERNOON.
THUS...LOCALLY HIGHER AMOUNTS ARE POSSIBLE IN ALL LOCATIONS...EVEN
SOUTH OF HIGHWAY 34...WHERE GENERAL 1 TO 2 INCHES IS ANTICIPATED.
SNOWFALL RATES MAY BE HEAVY AT TIMES LATE THIS MORNING THROUGH MID
EVENING...AND COMBINED WITH THE DAY TIME ACCUMULATIONS AT OR ABOVE 3
INCHES...WE WILL ISSUE A WINTER WEATHER ADVISORY FOR NORTH OF
HIGHWAY 34 IN IOWA AND ILLINOIS. THIS IS FOR SNOW...BUT TONIGHT WE
WILL FOCUS ON THE POTENTIAL FOR BLIZZARD CONDITIONS. MODELS BRING A
VERY TIGHT PRESSURE GRADIENT OVER THE CWA BETWEEN 02Z AND 15Z
TUESDAY.  THIS GRADIENT...COMBINED WITH STRONG LOW LEVEL INSTABILITY
IN THE SHARP COLD ADVECTION WILL ALLOW FOR SUSTAINED WINDS OF 25 TO
30 MPH...AND GUST TO 40 TO 45 MPH.  BLOWING SNOW IS POSSIBLE IN ALL
AREAS...BUT SHOULD BE WIDESPREAD AND VERY SIGNIFICANT NORTH OF A
FAIRFIELD IOWA TO PRINCETON ILLINOIS LINE.  MANY LOCATIONS THERE
HAVE SEVERAL INCHES OR MUCH MORE OF FLUFFY SNOW PACK NOW...AND
TODAYS SNOW WILL ONLY ADD TO THAT.  WITH A LARGE VOLUME OF MOVABLE
SNOW AND STRONG WINDS...WHITE OUT CONDITIONS ARE VERY
POSSIBLE...ESPECIALLY FROM MID EVENING THROUGH 6 AM TUESDAY. SOME
ROADS WILL LIKELY BE IMPASSABLE UNTIL WINDS REDUCE LATER TUESDAY.
THE WINTER STORM WATCH IS CHANGED TO A BLIZZARD WATCH AND EXPANDED
TO COVER HENRY AND JEFFERSON.

IN ADDITION...TEMPERATURE WILL DROP RAPIDLY TONIGHT...WITH WIND
CHILL ADVISORY TO NEAR WARNING LEVELS BY MORNING.  GENERALLY...-22
TO -30 WIND CHILLS WILL BE FOUND OVER THE CWA AFTER MIDNIGHT. THIS
THREAT WILL BE INCLUDED IN THE BLIZZARD WATCH FOR NOW.

ERVIN

.LONG TERM...TUESDAY THROUGH SUNDAY...
MAIN FOCUS IS ON IMPACTS OF NEXT WINTER STORM AND ENSUING ARCTIC
BLAST IN TUE NIGHT THROUGH THU PERIODS. TUESDAY...HAVE ADDED BLOWING
SNOW TO THE MORNING...BUT IMPACTS WILL LIKELY BE WINDING DOWN
RAPIDLY AS THE INITIAL SYSTEM DEPARTS AND SURFACE RIDGE MIGRATES
INTO THE REGION. LEFT A LITTLE ROOM FOR POTENTIAL FURTHER SLOWING OF
THE SPEED OF THE SYSTEM.

NEXT CLIPPER SYSTEM IN THE NW FLOW IS SHOWN IN DECENT MODEL
AGREEMENT TO FOLLOW SIMILAR TRACK AS CURRENT SYSTEM. NAM REMAINS
NORTHERLY OUTLIER...WHILE ECMWF...UKMET AND GFS IN GENERAL AGREEMENT
WITH SURFACE LOW SLIDING RAPIDLY SE THROUGH S CENTRAL AND SE IA
AROUND MID MORNING WED. PREFER SLIGHTLY SLOWER TIMING TRENDED BY
THE GFS...AND ANTICIPATE TRACK OF THIS LOW MAY END UP BEING A BIT
FURTHER SE THAN CURRENT MODELS...AS SEEN WITH RUN TO RUN EVOLUTION
OF THE EARLY WEEK SYSTEM.

IMPACTS FROM THIS SYSTEM WILL BE AT LEAST AS SIGNIFICANT...AND
POSSIBLY MORE SEVERE THAN THE EARLY WEEK STORM...AS IT IS SHOWN TO
HAVE A DEEPER SURFACE LOW AND TIGHTER ASSOCIATED PRESSURE GRADIENT.
ALSO...IT WILL HAVE A STRONGER REINFORCING ARCTIC AIRMASS WITH H8
TEMPERATURES FROM -22 TO -25 DEG C PLUNGING IN BY THU MORNING. GFS
ADVERTISES A MUCH STRONGER ISALLOBARIC MAXIMUM MOVING THROUGH...
ALONG WITH A DEEPER TROP FOLD FOR HIGHER WIND POTENTIAL. FOR
NOW...HAVE GONE WITH SUSTAINED WINDS FROM 20 TO 30 KTS WITH GUSTS
TO NEAR 40 KTS WED AFTERNOON AND WED NIGHT FOR ANOTHER ROUND OF
WIDESPREAD BLOWING SNOW. AS FOR SNOW AMOUNTS...STAYED WITH TYPICAL
CLIPPER AMOUNTS IN 2-5 INCH RANGE OVER THE NE 2/3RDS OF THE
FORECAST AREA FROM ABOUT MIDNIGHT TUE NIGHT TO MIDDAY WED. STRONG
COLD ADVECTION AND INFLUX OF ARCTIC TEMPERATURES WILL RESULT IN
FALLING AFTERNOON TEMPERATURES WED...DROPPING BELOW ZERO OVER
ENTIRE AREA IN THE EVENING. RESULTING WIND CHILLS WILL PLUNGE TO
-20 TO -30 BY EVENING...THEN WELL INTO WARNING RANGE BELOW -30
OVER AT LEAST NORTH OF I-80 AND W OF THE MS RIVER BY THU MORNING.
OVERALL...HAVE CONTINUED TO KEEP TEMPERATURES WELL BELOW
GUIDANCE...WHICH TYPICALLY TRENDS TOO WARM WITH SUCH ARCTIC
OUTBREAKS.

SURFACE HIGH PRESSURE RIDGE SLIDES OVER THE REGION THU NIGHT FOR
LIKELY THE COLDEST NIGHT OF THE WEEK. RADIATIONAL COOLING OVER FRESH
DEEP SNOW COVER IN ARCTIC AIRMASS WILL BE IDEAL FOR WIDESPREAD
TEMPERATURES BELOW ZERO...POSSIBLY PUSHING -20 OR BELOW ALONG THE
HIGHWAY 20 CORRIDOR WHERE SNOW DEPTH MAY BE OVER A FOOT BY THIS TIME.
ALTHOUGH WINDS WILL BE LIGHT...RESULTING WIND CHILL VALUES DROP TO
-20 TO -40 RANGE LATE WED NIGHT INTO THU MORNING.

WILL LIKELY NEED ADDITIONAL WINTER WEATHER WATCHES OR WARNINGS FOR
THIS EVENT DUE TO WIND CHILLS...BLOWING SNOW...AND SNOW ACCUMULATIONS.
DUE TO NECESSARY FOCUS ON THE INITIAL EVENT...AND STILL SOME TIME
TO MAKE FURTHER ADJUSTMENTS...NO HEADLINES FOR THIS MIDWEEK EVENT
AT THIS TIME.

&&

.AVIATION...
A INTENSE WINTER STORM WILL BRING IFR CIGS AND VISIBILITY TO ALL
SITES EARLY THIS MORNING...THEN LIFR CONDITIONS IN SNOW AND BLOWING
SNOW FROM LATE MORNING THROUGH TUESDAY MORNING. VISIBILITY WILL BE
FREQUENTLY BELOW 1/2 MILE FROM 20Z TO 15Z TUESDAY. CIGS WILL
GENERALLY BE UNDER 1000 FT THROUGH 09Z TUESDAY...WITH VFR CIGS
AFTERWARDS.  NORTH TO NORTHWEST WINDS SUSTAINED FROM 20 TO 25 KTS
ARE EXPECTED FROM 00Z TO 15Z TUESDAY AT ALL SITES...WITH GUSTS TO 35
KTS LIKELY BETWEEN 00Z AND 09Z TUESDAY.

&&

.DVN WATCHES/WARNINGS/ADVISORIES...
IA...WINTER WEATHER ADVISORY FROM NOON TODAY TO 6 PM CST THIS
     AFTERNOON FOR CLINTON-DUBUQUE-JACKSON-SCOTT.

     BLIZZARD WATCH FROM THIS EVENING THROUGH TUESDAY MORNING FOR
     BENTON-BUCHANAN-CEDAR-CLINTON-DELAWARE-DUBUQUE-HENRY IA-
     IOWA-JACKSON-JEFFERSON-JOHNSON-JONES-KEOKUK-LINN-LOUISA-
     MUSCATINE-SCOTT-WASHINGTON.

     WINTER WEATHER ADVISORY FROM 9 AM THIS MORNING TO 6 PM CST THIS
     AFTERNOON FOR BENTON-BUCHANAN-CEDAR-DELAWARE-DES MOINES-
     HENRY IA-IOWA-JEFFERSON-JOHNSON-JONES-KEOKUK-LINN-LOUISA-
     MUSCATINE-VAN BUREN-WASHINGTON.

IL...WINTER WEATHER ADVISORY FROM NOON TODAY TO 6 PM CST THIS
     AFTERNOON FOR BUREAU-CARROLL-HENDERSON-HENRY IL-JO DAVIESS-
     MERCER-PUTNAM-ROCK ISLAND-STEPHENSON-WARREN-WHITESIDE.

     BLIZZARD WATCH FROM THIS EVENING THROUGH TUESDAY MORNING FOR
     BUREAU-CARROLL-HENRY IL-JO DAVIESS-MERCER-PUTNAM-ROCK
     ISLAND-STEPHENSON-WHITESIDE.

MO...NONE.

&&

ERVIN/SHEETS
Hazardous weather outlook, Jan 12, 9:03 AM CST, 4 hours 3 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
903 AM CST MON JAN 12 2009

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-131045-
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-
900 AM CST MON JAN 12 2009

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

A BLIZZARD WATCH IS IN EFFECT FOR LOCATIONS ALONG AND NORTH OF
LINE FROM FAIRFIELD TO ALEDO ILLINOIS...TO PRINCETON TONIGHT AND
TUESDAY MORNING. A WINTER WEATHER ADVISORY IS IN EFFECT FOR TODAY
FOR MUCH OF THE AREA NORTH OF HIGHWAY 34. SNOW WILL SPREAD ACROSS
THE OUTLOOK AREA THIS MORNING AND EARLY AFTERNOON FROM WEST TO
EAST. SNOW WILL CONTINUE THROUGH THIS EVENING...WITH WIDESPREAD
ACCUMULATIONS OF 2 TO 4 INCHES...AND LOCALLY HIGHER AMOUNTS
AROUND 5 INCHES POSSIBLE. THIS FRESH SNOW AND EXISTING POWDERY
SNOW WILL COMBINE WITH SUSTAINED WINDS OF 25 TO 30 MPH MPH
TONIGHT AND EARLY TUESDAY TO CREATE POSSIBLE BLIZZARD CONDITIONS
WITH BLOWING SNOW. VISIBILITIES MAY BE RESTRICTED UNDER 1/4 MILE
FOR LONG PERIODS. WHITE OUTS ARE LIKELY IN OPEN AREAS TONIGHT AND
TUESDAY MORNING. IN ADDITION...DANGEROUSLY COLD WIND CHILLS OF -20
TO -30 ARE EXPECTED TONIGHT. EXTREMELY HAZARDOUS TRAVEL CONDITIONS
ARE EXPECTED TONIGHT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

TUESDAY MORNING...BLOWING SNOW WILL UNTIL WINDS DIMINISH TOWARD
MIDDAY.

TUESDAY NIGHT AND WEDNESDAY...ANOTHER STRONG WINTER STORM WILL
LIKELY BRING BLIZZARD CONDITIONS TO THE AREA. ADDITIONAL SNOW
ACCUMULATIONS FROM 2 TO 5 INCHES ARE POSSIBLE. NORTHWEST WINDS
FROM 25 TO 35 MPH WEDNESDAY AFTERNOON AND WEDNESDAY NIGHT WILL
RESULT IN WIDESPREAD BLOWING AND DRIFTING SNOW. THESE BLIZZARD
CONDITIONS WILL MAKE TRAVEL DANGEROUS...IF NOT IMPOSSIBLE. AN
ARCTIC COLD FRONT WILL BRING FALLING TEMPERATURES DURING THE DAY
WEDNESDAY...WITH READINGS DROPPING WELL BELOW ZERO WEDNESDAY
NIGHT. WIND CHILLS WILL DROP TO DANGEROUS LEVELS FROM 20 TO 40
BELOW ZERO WEDNESDAY NIGHT.

DANGEROUSLY COLD TEMPERATURES WILL LINGER THURSDAY THROUGH
THURSDAY NIGHT...WITH WIND CHILL VALUES REMAINING AS LOW AS 25 TO
35 DEGREES BELOW ZERO. ACTUAL TEMPERATURES MAY DROP AS LOW AS 20
TO 25 DEGREES BELOW ZERO ALONG THE HIGHWAY 20 CORRIDOR EARLY FRIDAY
MORNING.

.SPOTTER INFORMATION STATEMENT...

AN EMERGENCY MANAGERS CONFERENCE CALL HAS BEEN SCHEDULED TODAY AT
1030 AM CST.

SPOTTER REPORTS OF SNOWFALL AND BLIZZARD CONDITIONS WOULD BE HELPFUL
TODAY AND TONIGHT.

In the hours before

Local storm report, Jan 12, 12:09 PM CST, 57 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1209 PM CST MON JAN 12 2009

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

1208 PM     SNOW             CORALVILLE              41.69N 91.60W
01/12/2009  M1.5 INCH        JOHNSON            IA   TRAINED SPOTTER

            STILL SNOWING MODERATELY.

&&
Local storm report, Jan 12, 12:12 PM CST, 54 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1212 PM CST MON JAN 12 2009

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

1209 PM     SNOW             CEDAR RAPIDS            41.97N 91.67W
01/12/2009  M1.0 INCH        LINN               IA   TRAINED SPOTTER

            SNOW STARTED BETWEEN 1030 AND 1040 AM. STILL SNOWING.

&&
Local storm report, Jan 12, 12:23 PM CST, 43 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1223 PM CST MON JAN 12 2009

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

1223 PM     SNOW             4 SW VAN HORNE          41.97N 92.15W
01/12/2009  M2.0 INCH        BENTON             IA   TRAINED SPOTTER

            STILL SNOWING MODERATELY.

&&
Special weather statement, Jan 12, 12:43 PM CST, 23 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1243 PM CST MON JAN 12 2009

IAZ040>042-051>054-063>068-076>078-087>089-ILZ001-015-024>026-
122100-
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JEFFERSON-
HENRY IA-DES MOINES-JO DAVIESS-ROCK ISLAND-MERCER-HENDERSON-
WARREN-
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...GALENA...MOLINE...ROCK ISLAND...
ALEDO...OQUAWKA...MONMOUTH
1243 PM CST MON JAN 12 2009

...MODERATE TO LOCALLY HEAVY SNOW...

MODERATE TO LOCALLY HEAVY SNOW WILL CONTINUE THROUGH THE AFTERNOON.
VISIBILITIES IN THE SNOW WILL BE REDUCED TO ONE HALF MILE OR LESS
WITH RATES APPROACHING 1 INCH PER HOUR. ROADS WILL BE SNOW COVERED
AND SLICK...AND MOTORISTS ARE URGED TO DRIVE WITH CAUTION. A
WINTER WEATHER ADVISORY REMAINS IN EFFECT FOR MOST OF THE AREA.
THE SNOW WILL TAPER OFF TO FLURRIES FROM WEST TO EAST BY MID TO
LATE AFTERNOON.

ILZ002-007-009-016>018-122100-
STEPHENSON-CARROLL-WHITESIDE-HENRY IL-BUREAU-PUTNAM-
INCLUDING THE CITIES OF...FREEPORT...MOUNT CARROLL...STERLING...
ROCK FALLS...KEWANEE...PRINCETON...HENNEPIN
1243 PM CST MON JAN 12 2009

...SNOW MOVING IN...

SNOW MOVING THROUGH EASTERN IOWA WILL OVERSPREAD THE AREA BY 2PM.
THE SNOW WILL INITIALLY BE LIGHT BUT QUICKLY BECOME MODERATE TO
LOCALLY HEAVY AT TIMES... REDUCING VISIBILITY TO AROUND ONE HALF
MILE OR LESS... WITH RATES APPROACHING 1 INCH PER HOUR. TRAVEL
CONDITIONS WILL DETERIORATE QUICKLY WITH MOST ROADS BECOMING SNOW
COVERED AND SLICK. A WINTER WEATHER ADVISORY IS IN EFFECT FOR MUCH
OF THE AREA.
Special weather statement, Jan 12, 12:43 PM CST, 23 minutes before
SPECIAL WEATHER STATEMENT...CORRECTED FORMATTING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1243 PM CST MON JAN 12 2009

IAZ040>042-051>054-063>068-076>078-087>089-ILZ001-015-024>026-
122100-
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JEFFERSON-
HENRY IA-DES MOINES-JO DAVIESS-ROCK ISLAND-MERCER-HENDERSON-
WARREN-
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...GALENA...MOLINE...ROCK ISLAND...
ALEDO...OQUAWKA...MONMOUTH
1243 PM CST MON JAN 12 2009

...MODERATE TO LOCALLY HEAVY SNOW...

MODERATE TO LOCALLY HEAVY SNOW WILL CONTINUE THROUGH THE AFTERNOON.
VISIBILITIES IN THE SNOW WILL BE REDUCED TO ONE HALF MILE OR LESS
WITH RATES APPROACHING 1 INCH PER HOUR. ROADS WILL BE SNOW COVERED
AND SLICK...AND MOTORISTS ARE URGED TO DRIVE WITH CAUTION. A
WINTER WEATHER ADVISORY REMAINS IN EFFECT FOR MOST OF THE AREA.
THE SNOW WILL TAPER OFF TO FLURRIES FROM WEST TO EAST BY MID TO
LATE AFTERNOON.

ILZ002-007-009-016>018-122100-
STEPHENSON-CARROLL-WHITESIDE-HENRY IL-BUREAU-PUTNAM-
INCLUDING THE CITIES OF...FREEPORT...MOUNT CARROLL...STERLING...
ROCK FALLS...KEWANEE...PRINCETON...HENNEPIN
1243 PM CST MON JAN 12 2009

...SNOW MOVING IN...

SNOW MOVING THROUGH EASTERN IOWA WILL OVERSPREAD THE AREA BY 2PM.
THE SNOW WILL INITIALLY BE LIGHT BUT QUICKLY BECOME MODERATE TO
LOCALLY HEAVY AT TIMES... REDUCING VISIBILITY TO AROUND ONE HALF
MILE OR LESS... WITH RATES APPROACHING 1 INCH PER HOUR. TRAVEL
CONDITIONS WILL DETERIORATE QUICKLY WITH MOST ROADS BECOMING SNOW
COVERED AND SLICK. A WINTER WEATHER ADVISORY IS IN EFFECT FOR MUCH
OF THE AREA.
Local storm report, Jan 12, 12:54 PM CST, 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1254 PM CST MON JAN 12 2009

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

1254 PM     SNOW             VICTOR                  41.73N 92.29W
01/12/2009  E2.0 INCH        IOWA               IA   TRAINED SPOTTER

            STILL SNOWING MODERATELY.

&&

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 12, 3:24 AM CSTBlizzard WatchDVNBureau, Carroll, Henry, Jo Daviess, Mercer, Putnam and 3 more10 hr
Jan 12, 3:24 AM CSTWinter Weather AdvisoryDVNBureau, Carroll, Henderson, Henry, Jo Daviess, Mercer and 5 more23 hr
Jan 12, 1:06 PM CSTWinter Weather AdvisoryDVNHancock, McDonough14 hr

Nearby

Blizzard Warnings in Iowa, 2009Blizzard Warnings in Illinois, 2009Every blizzard warning in 2009

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.