Alert archive / Iowa / Wind Chill Advisories in 2007

Wind Chill Advisory 4, NWS Quad Cities, IA

February 2, 2007Clark County, Scotland County, Missouri; 13 counties in Illinois; 21 counties in Iowa

NWS Quad Cities, IA issued this wind chill advisory at Feb 2, 2007, 3:05 PM CST for Clark County, Scotland County, Missouri; 13 counties in Illinois; 21 counties in Iowa. It took effect at Feb 2, 2007, 9:00 PM CST. It was in force for 67 hr.

The area

The counties it named.

The facts

Issued
Feb 2, 2007, 3:05 PM CST (21:05 UTC)
In effect from
Feb 2, 2007, 9:00 PM CST
Expired
Feb 5, 2007, 3:53 PM CST
In force
67 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 21:11 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.

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 9.1 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 2007-02-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 12:00Z on 2007-02-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -42 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
643 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
-42 m²/s²
0-3 km storm-relative helicity
108 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 022105
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
305 PM CST FRI FEB 2 2007

...DANGEROUS WIND CHILLS EXPECTED ACROSS THE AREA THIS WEEKEND...

.ANOTHER PUSH OF ARCTIC AIR WILL MOVE INTO THE AREA OVERNIGHT
BEHIND A COLD FRONT. BRISK WINDS BEHIND THE FRONT...AT 15 TO 20
MPH GUSTING TO 30 MPH...WILL COMBINE WITH THE COLD TEMPERATURES TO
PRODUCE DANGEROUS WIND CHILLS DURING THE OVERNIGHT HOURS AND INTO
TOMORROW.

IAZ040>042-051>054-063>068-076>078-ILZ001-002-007-009-015>018-024-
030515-
/O.NEW.KDVN.WC.Y.0004.070203T0300Z-070203T2100Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JO DAVIESS-
STEPHENSON-CARROLL-WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-
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...STERLING...ROCK FALLS...MOLINE...
ROCK ISLAND...KEWANEE...PRINCETON...HENNEPIN...ALEDO
305 PM CST FRI FEB 2 2007

...WIND CHILL ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 3 PM
CST SATURDAY...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO
3 PM CST SATURDAY. 

A COLD FRONT PASSING ACROSS THE AREA IN THE EARLY MORNING HOURS
WILL BRING ANOTHER SURGE OF ARCTIC AIR AS WELL AS GUSTY
NORTHWESTERLY WINDS. THE COMBINATION OF TEMPERATURES IN THE SINGLE
DIGITS TO LOW TEENS BELOW ZERO...ALONG WITH 15 TO 20 MPH WINDS
GUSTING TO 30 MPH...WILL PRODUCE WIND CHILLS OF 25 TO 30 DEGREES
BELOW ZERO. THE COLDEST WIND CHILLS ARE MOST LIKELY NORTHWEST OF A
LINE FROM CEDAR RAPIDS TO DUBUQUE...WHERE WIND CHILLS MAY BE AS
COLD AS 30 TO 35 DEGREES BELOW ZERO NEAR SUNRISE. WITH GUSTY WINDS
AND COLD AIR PERSISTING INTO THE AFTERNOON...WIND CHILLS ARE
EXPECTED TO REMAIN COLDER THAN 20 BELOW ZERO FOR MUCH OF THE DAY
AND POSSIBLY INTO SATURDAY NIGHT.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS...RESULTING IN FROST
BITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF YOU MUST
VENTURE OUTDOORS...DRESS IN LAYERS COVERING EXPOSED SKIN. 
FROSTBITE WILL OCCUR IN A FEW AS 10 MINUTES IN THESE
CONDITIONS.

$$

IAZ087>089-098-099-ILZ025-026-034-035-MOZ009-010-030515-
/O.NEW.KDVN.WC.Y.0004.070203T0300Z-070203T1800Z/
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
305 PM CST FRI FEB 2 2007

...WIND CHILL ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 12 PM
CST SATURDAY...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO
12 PM CST SATURDAY. 

A COLD FRONT PASSING ACROSS THE AREA IN THE EARLY MORNING HOURS
WILL BRING ANOTHER SURGE OF ARCTIC AIR AS WELL AS GUSTY
NORTHWESTERLY WINDS. THE COMBINATION OF TEMPERATURES IN THE SINGLE
DIGITS ABOVE TO SINGLE DIGITS BELOW ZERO...ALONG WITH 15 TO 20 MPH
WINDS GUSTING TO 30 MPH...WILL PRODUCE WIND CHILLS OF 20 TO 25
DEGREES BELOW ZERO. WIND CHILLS ARE EXPECTED TO RISE ABOVE 20
BELOW ZERO BY NOON AS TEMPERATURES REACH THE LOW TEENS.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS...RESULTING IN FROST
BITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF YOU MUST
VENTURE OUTDOORS...DRESS IN LAYERS COVERING EXPOSED SKIN. 
FROSTBITE WILL OCCUR IN A FEW AS 15 MINUTES IN THESE
CONDITIONS.

$$

MAYES
14 follow-up statements
000 
WWUS43 KDVN 030317
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
917 PM CST FRI FEB 2 2007

...DANGEROUS WIND CHILLS EXPECTED ACROSS THE AREA THIS WEEKEND...

.ANOTHER PUSH OF ARCTIC AIR WILL MOVE INTO THE AREA TONIGHT INTO
TOMORROW BEHIND A COLD FRONT. BRISK WINDS BEHIND THE FRONT...AT
15 TO 25 MPH WITH SOME GUSTS TO 30 MPH...WILL COMBINE WITH THE
COLD TEMPERATURES TO PRODUCE DANGEROUS WIND CHILLS DURING THE
OVERNIGHT HOURS INTO TOMORROW.

IAZ040>042-051>054-063>068-076>078-ILZ001-002-007-009-015>018-024-
031130-
/O.CON.KDVN.WC.Y.0004.000000T0000Z-070203T2100Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JO DAVIESS-
STEPHENSON-CARROLL-WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-
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...STERLING...ROCK FALLS...MOLINE...
ROCK ISLAND...KEWANEE...PRINCETON...HENNEPIN...ALEDO
917 PM CST FRI FEB 2 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST
SATURDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST SATURDAY. 

A PASSING COLD FRONT LATER TONIGHT WILL BRING ANOTHER SURGE OF
ARCTIC AIR AS WELL AS GUSTY NORTHWESTERLY WINDS. THE COMBINATION
OF TEMPERATURES IN THE SINGLE DIGITS TO LOW TEENS BELOW
ZERO...ALONG WITH 15 TO 25 MPH WINDS GUSTING TO 30 MPH...WILL
PRODUCE WIND CHILLS OF 25 TO 30 DEGREES BELOW ZERO. THE COLDEST
WIND CHILLS ARE MOST LIKELY NORTHWEST OF A LINE FROM CEDAR RAPIDS
TO DUBUQUE...WHERE WIND CHILLS WILL APPROACH 30 DEGREES BELOW
ZERO NEAR SUNRISE. THE GUSTY WINDS AND COLD AIR WILL PERSIST INTO
THE AFTERNOON...WIND CHILLS ARE EXPECTED TO REMAIN COLDER THAN 20
BELOW ZERO FOR MUCH OF THE DAY AND POSSIBLY INTO SATURDAY NIGHT.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS...RESULTING IN FROST
BITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF YOU MUST
VENTURE OUTDOORS...DRESS IN LAYERS COVERING EXPOSED SKIN.
FROSTBITE WILL OCCUR IN A FEW AS 10 MINUTES IN THESE CONDITIONS.

$$

IAZ087>089-098-099-ILZ025-026-034-035-MOZ009-010-031130-
/O.CON.KDVN.WC.Y.0004.000000T0000Z-070203T1800Z/
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
917 PM CST FRI FEB 2 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST
SATURDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST SATURDAY.

A PASSING COLD FRONT LATER TONIGHT WILL BRING ANOTHER SURGE OF
ARCTIC AIR AS WELL AS GUSTY NORTHWESTERLY WINDS. THE COMBINATION
OF TEMPERATURES IN THE SINGLE DIGITS TO SINGLE DIGITS BELOW 
ZERO...ALONG WITH 15 TO 25 MPH WINDS GUSTING TO 30 MPH...WILL
PRODUCE WIND CHILLS OF 25 TO 30 DEGREES BELOW ZERO. WIND CHILLS
ARE EXPECTED TO RISE ABOVE 20 BELOW ZERO BY NOON AS TEMPERATURES
REACH THE LOW TEENS.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS...RESULTING IN FROST
BITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF YOU MUST
VENTURE OUTDOORS...DRESS IN LAYERS COVERING EXPOSED SKIN.
FROSTBITE WILL OCCUR IN A FEW AS 15 MINUTES IN THESE CONDITIONS.

$$

NICHOLS
000 
WWUS43 KDVN 031000
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
400 AM CST SAT FEB 3 2007

...AN EXTENDED PERIOD OF DANGEROUS WIND CHILLS EXPECTED...

.ARCTIC AIR WILL SETTLE ACROSS THE AREA TODAY THROUGH AT LEAST
TUESDAY. AN EXTENDED PERIOD OF COLD WEATHER OF THIS MAGNITUDE HAS
NOT BEEN SEEN ACROSS THE REGION FOR SEVERAL YEARS. LOW TEMPERATURES
ARE EXPECTED TO BE BELOW ZERO THROUGH AT LEAST MONDAY NIGHT.

IAZ087>089-098-099-ILZ025-026-034-035-MOZ009-010-031100-
/O.CAN.KDVN.WC.Y.0004.000000T0000Z-070203T1800Z/
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
400 AM CST SAT FEB 3 2007

...WIND CHILL ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS CANCELED THE
WIND CHILL ADVISORY. 

WINDS OF 20 TO 30 MPH TODAY WILL KEEP WIND CHILLS ABOVE ADVISORY
LEVELS. HOWEVER...WIND CHILLS OF 10 TO 20 BELOW ARE EXPECTED.

DUE TO THE STRENGTH OF THE ARCTIC AIR...WIND CHILL ADVISORIES MAY BE
NEEDED FROM TIME TO TIME FROM TONIGHT THROUGH TUESDAY.

$$

IAZ040>042-051>054-063>068-076>078-ILZ001-002-007-009-015>018-024-
031800-
/O.EXT.KDVN.WC.Y.0004.070203T1000Z-070206T1800Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JO DAVIESS-
STEPHENSON-CARROLL-WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-
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...STERLING...ROCK FALLS...MOLINE...
ROCK ISLAND...KEWANEE...PRINCETON...HENNEPIN...ALEDO
400 AM CST SAT FEB 3 2007

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 12 PM CST TUESDAY...

THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL 12 PM CST TUESDAY.

STRONG NORTHWEST WINDS COMBINED WITH TEMPERATURES IN THE SINGLE
DIGITS ABOVE AND BELOW ZERO WILL PRODUCE WIND CHILLS OF 20 TO 30
BELOW ZERO TODAY.

EVEN COLDER AIR IS EXPECTED TO SETTLE ACROSS THE AREA TONIGHT
THROUGH TUESDAY WITH LOW TEMPERATURES GOING WELL BELOW ZERO. HIGH
TEMPERATURES IN SOME AREAS MAY NOT GET ABOVE ZERO.

DUE TO THE STRENGTH OF THE ARCTIC AIR...WIND CHILL WARNINGS MAY BE
NEEDED FROM TIME TO TIME OVER PARTS OF THE ADVISORY AREA.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS...RESULTING IN FROST
BITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF YOU MUST
VENTURE OUTDOORS...DRESS IN LAYERS COVERING EXPOSED SKIN.
FROSTBITE WILL OCCUR IN A FEW AS 10 MINUTES IN THESE CONDITIONS.

$$
000 
WWUS43 KDVN 031719
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1119 AM CST SAT FEB 3 2007

...AN EXTENDED PERIOD OF DANGEROUS WIND CHILLS EXPECTED...

.ARCTIC AIR WILL SETTLE ACROSS THE AREA TODAY THROUGH AT LEAST
TUESDAY. AN EXTENDED PERIOD OF COLD WEATHER OF THIS MAGNITUDE HAS
NOT BEEN SEEN ACROSS THE REGION FOR SEVERAL YEARS. LOW
TEMPERATURES ARE EXPECTED TO BE BELOW ZERO THROUGH AT LEAST
MONDAY NIGHT WITH WIND CAUSING WIND CHILLS TO FREQUENTLY FALL
BELOW -20 DEGREES.

IAZ040>042-051>054-063>068-076>078-ILZ001-002-007-009-015>018-024-
040130-
/O.CON.KDVN.WC.Y.0004.000000T0000Z-070206T1800Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JO DAVIESS-
STEPHENSON-CARROLL-WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-
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...STERLING...ROCK FALLS...MOLINE...
ROCK ISLAND...KEWANEE...PRINCETON...HENNEPIN...ALEDO
1119 AM CST SAT FEB 3 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST
TUESDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST TUESDAY. 

STRONG NORTHWEST WINDS COMBINED WITH TEMPERATURES IN THE SINGLE
DIGITS ABOVE AND BELOW ZERO WILL PRODUCE WIND CHILLS OF 20 TO
30 BELOW ZERO TODAY.

EVEN COLDER AIR IS EXPECTED TO SETTLE ACROSS THE AREA TONIGHT
THROUGH TUESDAY WITH LOW TEMPERATURES GOING WELL BELOW ZERO. HIGH
TEMPERATURES IN SOME AREAS MAY NOT GET ABOVE ZERO.

DUE TO THE STRENGTH OF THE ARCTIC AIR...WIND CHILL WARNINGS MAY
BE NEEDED FROM TIME TO TIME OVER PARTS OF THE ADVISORY AREA.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS...RESULTING IN FROST
BITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.  IF YOU MUST
VENTURE OUTDOORS...DRESS IN LAYERS COVERING EXPOSED SKIN.
FROSTBITE WILL OCCUR IN A FEW AS 10 MINUTES IN THESE CONDITIONS.

$$


ERVIN
000 
WWUS43 KDVN 032135
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
335 PM CST SAT FEB 3 2007

...DANGEROUS WIND CHILLS WILL CONTINUE...

.ARCTIC AIR WILL REMAIN ACROSS THE REGION THROUGH AT LEAST
TUESDAY. AN EXTENDED PERIOD OF COLD WEATHER OF THIS MAGNITUDE HAS
NOT BEEN SEEN ACROSS THE REGION FOR SEVERAL YEARS. LOW
TEMPERATURES ARE EXPECTED TO BE WELL BELOW ZERO THROUGH AT LEAST
MONDAY NIGHT WITH WIND CAUSING WIND CHILLS TO REMAIN BELOW -20
DEGREES. DAY TIME HIGHS WILL RANGE FROM THE SINGLE DIGITS ABOVE
AND BELOW ZERO...ALLOWING DANGEROUSLY COLD WIND CHILLS TO PERSIST
DURING DAYLIGHT HOURS.

IAZ040>042-051>054-063>068-076>078-ILZ001-002-007-009-015>018-024-
040545-
/O.CON.KDVN.WC.Y.0004.000000T0000Z-070206T1800Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JO DAVIESS-
STEPHENSON-CARROLL-WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-
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...STERLING...ROCK FALLS...MOLINE...
ROCK ISLAND...KEWANEE...PRINCETON...HENNEPIN...ALEDO
335 PM CST SAT FEB 3 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST
TUESDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST TUESDAY. 

NORTHWEST OF 10 TO 15 MPH WILL COMBINE WITH TEMPERATURES BETWEEN
-8 AND -17 TONIGHT TO PRODUCE WIND CHILLS OF -20 TO -30.
OCCASIONALLY...THE WIND CHILL MAY DIP BELOW -30...AND IF THIS
BECOMES WIDESPREAD...A WIND CHILL WARNING MAY BE REQUIRED TONIGHT.

HIGH TEMPERATURES IN SOME AREAS MAY NOT GET ABOVE ZERO IN SOME
LOCATIONS SUNDAY AND MONDAY...KEEPING WIND CHILL VALUES UNDER -20
DURING THE DAY.  

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS...RESULTING IN FROST BITE AND
HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE
OUTDOORS...DRESS IN LAYERS COVERING EXPOSED SKIN. FROSTBITE WILL
OCCUR IN A FEW AS 10 MINUTES IN THESE CONDITIONS.

$$


ERVIN
000 
WWUS43 KDVN 040314
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
914 PM CST SAT FEB 3 2007

...DANGEROUS WIND CHILLS WILL CONTINUE...

.ARCTIC AIR WILL REMAIN ACROSS THE REGION THROUGH AT LEAST
TUESDAY. AN EXTENDED PERIOD OF COLD WEATHER OF THIS MAGNITUDE HAS
NOT BEEN SEEN ACROSS THE REGION FOR SEVERAL YEARS. LOW
TEMPERATURES ARE EXPECTED TO BE WELL BELOW ZERO THROUGH AT LEAST
MONDAY NIGHT WITH WIND CAUSING WIND CHILLS TO REMAIN COLDER THAN
20 BELOW. DAY TIME HIGHS WILL RANGE FROM THE SINGLE DIGITS ABOVE
AND BELOW ZERO...ALLOWING DANGEROUSLY COLD WIND CHILLS TO PERSIST
DURING DAYLIGHT HOURS.

IAZ040>042-051>054-063>068-076>078-ILZ001-002-007-009-015>018-024-
041115-
/O.CON.KDVN.WC.Y.0004.000000T0000Z-070206T1800Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JO DAVIESS-
STEPHENSON-CARROLL-WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-
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...STERLING...ROCK FALLS...MOLINE...
ROCK ISLAND...KEWANEE...PRINCETON...HENNEPIN...ALEDO
914 PM CST SAT FEB 3 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST
TUESDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST TUESDAY. 

NORTHWEST OF 10 TO 15 MPH WILL COMBINE WITH TEMPERATURES BETWEEN 
-8 AND -17 TONIGHT TO PRODUCE WIND CHILLS OF -20 TO -30. AFTER
MIDNIGHT...THE WIND CHILL MAY DIP BELOW -30...AND IF THIS BECOMES
WIDESPREAD...A WIND CHILL WARNING MAY BE REQUIRED FOR THE EARLY
MORNING HOURS SUNDAY.

HIGH TEMPERATURES IN SOME AREAS MAY NOT GET ABOVE ZERO IN SOME
LOCATIONS SUNDAY AND MONDAY...KEEPING WIND CHILL VALUES UNDER 
-20 DURING THE DAY.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS...RESULTING IN FROST BITE AND
HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE
OUTDOORS...DRESS IN LAYERS COVERING EXPOSED SKIN. FROSTBITE WILL
OCCUR IN A FEW AS 10 MINUTES IN THESE CONDITIONS.

$$
000 
WWUS43 KDVN 040328 CCA
WSWDVN

URGENT - WINTER WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
927 PM CST SAT FEB 3 2007

...DANGEROUS WIND CHILLS WILL CONTINUE...

.ARCTIC AIR WILL REMAIN ACROSS THE REGION THROUGH AT LEAST
TUESDAY. AN EXTENDED PERIOD OF COLD WEATHER OF THIS MAGNITUDE HAS
NOT BEEN SEEN ACROSS THE REGION FOR SEVERAL YEARS. LOW
TEMPERATURES ARE EXPECTED TO BE WELL BELOW ZERO THROUGH AT LEAST
MONDAY NIGHT WITH WIND CAUSING WIND CHILLS TO REMAIN COLDER THAN
20 BELOW. DAY TIME HIGHS WILL RANGE FROM THE SINGLE DIGITS ABOVE
AND BELOW ZERO...ALLOWING DANGEROUSLY COLD WIND CHILLS TO PERSIST
DURING DAYLIGHT HOURS.

IAZ040>042-051>054-063>068-076>078-ILZ001-002-007-009-015>018-024-
041145-
/O.COR.KDVN.WC.Y.0004.000000T0000Z-070206T1800Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JO DAVIESS-
STEPHENSON-CARROLL-WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-
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...STERLING...ROCK FALLS...MOLINE...
ROCK ISLAND...KEWANEE...PRINCETON...HENNEPIN...ALEDO
927 PM CST SAT FEB 3 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST
TUESDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST TUESDAY. 

NORTHWEST WINDS OF 10 TO 15 MPH WILL COMBINE WITH TEMPERATURES
BETWEEN -8 AND -17 TONIGHT TO PRODUCE WIND CHILLS OF -20 TO -30.
AFTER MIDNIGHT...THE WIND CHILL MAY DIP BELOW -30...AND IF THIS
BECOMES WIDESPREAD...A WIND CHILL WARNING MAY BE REQUIRED FOR THE
EARLY MORNING HOURS SUNDAY.

HIGH TEMPERATURES IN SOME AREAS MAY NOT GET ABOVE ZERO IN SOME
LOCATIONS SUNDAY AND MONDAY...KEEPING WIND CHILL VALUES UNDER 
-20 DURING THE DAY.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS...RESULTING IN FROST BITE AND
HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE
OUTDOORS...DRESS IN LAYERS COVERING EXPOSED SKIN. FROSTBITE WILL
OCCUR IN A FEW AS 10 MINUTES IN THESE CONDITIONS.

$$
000 
WWUS43 KDVN 040954
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
354 AM CST SUN FEB 4 2007

...DANGEROUS WIND CHILLS WILL CONTINUE...

.ARCTIC AIR WILL REMAIN ACROSS THE REGION THROUGH AT LEAST TUESDAY.
AN EXTENDED PERIOD OF COLD WEATHER OF THIS MAGNITUDE HAS NOT BEEN
SEEN ACROSS THE REGION FOR SEVERAL YEARS.

IAZ040>042-051>054-063>068-076>078-ILZ001-002-007-009-015>018-024-
041800-
/O.CON.KDVN.WC.Y.0004.000000T0000Z-070206T1800Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JO DAVIESS-
STEPHENSON-CARROLL-WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-
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...STERLING...ROCK FALLS...MOLINE...
ROCK ISLAND...KEWANEE...PRINCETON...HENNEPIN...ALEDO
354 AM CST SUN FEB 4 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST
TUESDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST TUESDAY. 

THE COMBINATION OF BITTER COLD TEMPERATURES AND GUSTY WINDS WILL
RESULT IN DANGEROUSLY COLD WIND CHILLS OF 20 BELOW ZERO 
OR COLDER. THE WIND CHILL MAY DIP DOWN IN THE RANGE OF 30 TO
36 BELOW ZERO...ESPECIALLY TONIGHT AND MONDAY MORNING. IF THIS WERE
TO OCCUR AND BECOME WIDESPREAD...A WIND CHILL WARNING WOULD BE
NEEDED.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS...RESULTING IN FROST BITE AND
HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE
OUTDOORS...DRESS IN LAYERS COVERING EXPOSED SKIN. FROSTBITE WILL
OCCUR IN A FEW AS 10 MINUTES IN THESE CONDITIONS.

$$
000 
WWUS43 KDVN 041557
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
957 AM CST SUN FEB 4 2007

...DANGEROUS WIND CHILLS WILL CONTINUE...

.ARCTIC AIR WILL REMAIN ACROSS THE REGION THROUGH AT LEAST
TUESDAY. AN EXTENDED PERIOD OF COLD WEATHER OF THIS MAGNITUDE HAS
NOT BEEN SEEN ACROSS THE REGION FOR SEVERAL YEARS.

IAZ040>042-051>054-063>068-076>078-ILZ001-002-007-009-015>018-024-
050000-
/O.CON.KDVN.WC.Y.0004.000000T0000Z-070206T1800Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JO DAVIESS-
STEPHENSON-CARROLL-WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-
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...STERLING...ROCK FALLS...MOLINE...
ROCK ISLAND...KEWANEE...PRINCETON...HENNEPIN...ALEDO
957 AM CST SUN FEB 4 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST
TUESDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST TUESDAY. 

THE COMBINATION OF BITTER COLD TEMPERATURES AND GUSTY WINDS WILL
RESULT IN DANGEROUSLY COLD WIND CHILLS OF 20 BELOW ZERO OR
COLDER. THE WIND CHILL MAY DIP DOWN IN THE RANGE OF 30 TO
36 BELOW ZERO...ESPECIALLY TONIGHT AND MONDAY MORNING. IF THIS
WERE TO OCCUR AND BECOME WIDESPREAD...A WIND CHILL WARNING WOULD
BE NEEDED. LOCATIONS MOST LIKELY TO SEE THE COLDEST WIND CHILLS
ARE ALONG AND NORTH OF HIGHWAY 30 IN IOWA AND ILLINOIS.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS...RESULTING IN FROST BITE AND
HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE
OUTDOORS...DRESS IN LAYERS COVERING EXPOSED SKIN. FROSTBITE WILL
OCCUR IN AS FEW AS 10 MINUTES IN THESE CONDITIONS.

$$


ERVIN
000 
WWUS43 KDVN 041709
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1109 AM CST SUN FEB 4 2007

...DANGEROUS WIND CHILLS WILL CONTINUE...

.ARCTIC AIR WILL REMAIN ACROSS THE REGION THROUGH AT LEAST
TUESDAY. AN EXTENDED PERIOD OF COLD WEATHER OF THIS MAGNITUDE HAS
NOT BEEN SEEN ACROSS THE REGION FOR SEVERAL YEARS.

IAZ040>042-052>054-066-ILZ001-002-007-009-050115-
/O.NEW.KDVN.WC.W.0001.070205T0200Z-070205T1500Z/
/O.EXT.KDVN.WC.Y.0004.000000T0000Z-070205T0200Z/
/O.EXT.KDVN.WC.Y.0004.070205T1500Z-070206T1800Z/
BUCHANAN-DELAWARE-DUBUQUE-LINN-JONES-JACKSON-CLINTON-JO DAVIESS-
STEPHENSON-CARROLL-WHITESIDE-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
CEDAR RAPIDS...ANAMOSA...MAQUOKETA...CLINTON...GALENA...
FREEPORT...MOUNT CARROLL...STERLING...ROCK FALLS
1109 AM CST SUN FEB 4 2007

...WIND CHILL WARNING IN EFFECT FROM 8 PM THIS EVENING TO 9 AM
CST MONDAY...
...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 8 PM CST THIS
EVENING...
...WIND CHILL ADVISORY NOW IN EFFECT FROM 9 AM MONDAY TO 12 PM
CST TUESDAY...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A WIND
CHILL WARNING...WHICH IS IN EFFECT FROM 8 PM THIS EVENING TO 9 AM
CST MONDAY. THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL 8 PM
CST THIS EVENING. THE WIND CHILL ADVISORY IS NOW IN EFFECT FROM
9 AM MONDAY TO 12 PM CST TUESDAY. 

THE COMBINATION OF BITTER COLD TEMPERATURES AND GUSTY WINDS WILL
RESULT IN DANGEROUSLY COLD WIND CHILLS OF 20 BELOW ZERO OR
COLDER FOR AN EXTENDED PERIOD OF TIME. THE WIND CHILL IS EXPECTED
TO DIP DOWN IN THE RANGE OF 30 TO 36 BELOW ZERO TONIGHT AND EARLY
MONDAY. THESE CONDITIONS WILL BE VERY DANGEROUS TO THOSE WHO ARE
UNPREPARED FOR THE COLD WEATHER. 

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS...RESULTING IN FROST BITE AND
HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE
OUTDOORS...DRESS IN LAYERS COVERING EXPOSED SKIN. FROSTBITE WILL
OCCUR IN AS FEW AS 10 MINUTES IN THESE CONDITIONS.

A WIND CHILL WARNING MEANS A COMBINATION OF BITTERLY COLD AIR AND
WIND WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES.... RESULTING
IN FROST BITE ...HYPOTHERMIA OR EVEN DEATH IF PRECAUTIONS ARE NOT
TAKEN. IF YOU MUST VENTURE OUTDOORS...DRESS APPROPRIATELY IN
LAYERS COVERING EXPOSED SKIN. 

$$

IAZ051-063>065-067-068-076>078-ILZ015>018-024-050115-
/O.CON.KDVN.WC.Y.0004.000000T0000Z-070206T1800Z/
BENTON-IOWA-JOHNSON-CEDAR-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-
LOUISA-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-
INCLUDING THE CITIES OF...VINTON...MARENGO...IOWA CITY...TIPTON...
MUSCATINE...BETTENDORF...DAVENPORT...SIGOURNEY...WASHINGTON...
WAPELLO...MOLINE...ROCK ISLAND...KEWANEE...PRINCETON...HENNEPIN...
ALEDO
1109 AM CST SUN FEB 4 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST
TUESDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST TUESDAY. 

THE COMBINATION OF BITTER COLD TEMPERATURES AND GUSTY WINDS WILL
RESULT IN DANGEROUSLY COLD WIND CHILLS OF 20 BELOW ZERO OR
COLDER. THE WIND CHILL MAY DIP DOWN TO 30 BELOW ZERO...ESPECIALLY
TONIGHT AND MONDAY MORNING. IF THIS WERE TO OCCUR AND BECOME
WIDESPREAD...A WIND CHILL WARNING WOULD BE NEEDED. 

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS...RESULTING IN FROST BITE AND
HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE
OUTDOORS...DRESS IN LAYERS COVERING EXPOSED SKIN. FROSTBITE WILL
OCCUR IN AS FEW AS 10 MINUTES IN THESE CONDITIONS.

$$


ERVIN
000 
WWUS43 KDVN 042112
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
312 PM CST SUN FEB 4 2007

...DANGEROUS WIND CHILLS WILL CONTINUE...

.ARCTIC AIR WILL REMAIN ACROSS THE REGION THROUGH AT LEAST
TUESDAY. AN EXTENDED PERIOD OF COLD WEATHER OF THIS MAGNITUDE HAS
NOT BEEN SEEN ACROSS THE REGION FOR SEVERAL YEARS.

IAZ040>042-052>054-066-ILZ001-002-007-009-050200-
/O.EXT.KDVN.WC.Y.0004.070205T1500Z-070206T0600Z/
/O.CON.KDVN.WC.W.0001.070205T0200Z-070205T1500Z/
/O.CON.KDVN.WC.Y.0004.000000T0000Z-070205T0200Z/
BUCHANAN-DELAWARE-DUBUQUE-LINN-JONES-JACKSON-CLINTON-JO DAVIESS-
STEPHENSON-CARROLL-WHITESIDE-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
CEDAR RAPIDS...ANAMOSA...MAQUOKETA...CLINTON...GALENA...
FREEPORT...MOUNT CARROLL...STERLING...ROCK FALLS
312 PM CST SUN FEB 4 2007

...WIND CHILL WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO
9 AM CST MONDAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 8 PM CST THIS
EVENING...
...WIND CHILL ADVISORY NOW IN EFFECT FROM 9 AM MONDAY TO MIDNIGHT
CST MONDAY NIGHT...

THE WIND CHILL ADVISORY IS NOW IN EFFECT FROM 9 AM MONDAY TO
MIDNIGHT CST MONDAY NIGHT. A WIND CHILL WARNING REMAINS IN EFFECT
FROM 8 PM THIS EVENING TO 9 AM CST MONDAY. A WIND CHILL ADVISORY
REMAINS IN EFFECT UNTIL 8 PM CST THIS EVENING. 

THE COMBINATION OF BITTER COLD TEMPERATURES AND 10 TO 15 MPH WINDS
WILL RESULT IN DANGEROUSLY COLD WIND CHILLS OF 20 BELOW ZERO OR
COLDER FOR AN EXTENDED PERIOD OF TIME. THE WIND CHILL IS EXPECTED
TO DIP DOWN IN THE RANGE OF 30 TO 38 BELOW ZERO TONIGHT AND EARLY
MONDAY. THESE CONDITIONS WILL BE VERY DANGEROUS TO THOSE WHO ARE
UNPREPARED FOR THE COLD WEATHER.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS. A WIND CHILL WARNING MEANS A
COMBINATION OF BITTERLY COLD AIR AND WIND WILL CREATE DANGEROUSLY
LOW WIND CHILL VALUES.... RESULTING IN FROST BITE ...HYPOTHERMIA
OR EVEN DEATH IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE
OUTDOORS...DRESS APPROPRIATELY IN LAYERS COVERING EXPOSED SKIN.
FROSTBITE WILL OCCUR IN AS FEW AS 10 MINUTES IN THESE CONDITIONS.



$$

IAZ051-063>065-067-068-076>078-ILZ015>018-024-050515-
/O.EXT.KDVN.WC.Y.0004.000000T0000Z-070206T0600Z/
BENTON-IOWA-JOHNSON-CEDAR-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-
LOUISA-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-
INCLUDING THE CITIES OF...VINTON...MARENGO...IOWA CITY...TIPTON...
MUSCATINE...BETTENDORF...DAVENPORT...SIGOURNEY...WASHINGTON...
WAPELLO...MOLINE...ROCK ISLAND...KEWANEE...PRINCETON...HENNEPIN...
ALEDO
312 PM CST SUN FEB 4 2007

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL MIDNIGHT CST MONDAY
NIGHT...

THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL MIDNIGHT CST
MONDAY NIGHT. 

THE COMBINATION OF FRIGIDLY COLD TEMPERATURES AND 10 TO 15 MPH WINDS
WILL RESULT IN DANGEROUSLY COLD WIND CHILLS OF 20 TO 30 BELOW
ZERO.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND
WILL COMBINE TO GENERATE LOW WIND CHILLS...RESULTING IN FROST BITE
AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE
OUTDOORS...DRESS IN LAYERS COVERING EXPOSED SKIN. FROSTBITE WILL
OCCUR IN AS FEW AS 10 MINUTES IN THESE CONDITIONS.

$$


ERVIN
000 
WWUS43 KDVN 050211
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
811 PM CST SUN FEB 4 2007

...DANGEROUS WIND CHILLS WILL CONTINUE...

.ARCTIC AIR WILL REMAIN ACROSS THE REGION THROUGH AT LEAST
TUESDAY. AN EXTENDED PERIOD OF COLD WEATHER OF THIS MAGNITUDE HAS
NOT BEEN SEEN ACROSS THE REGION FOR SEVERAL YEARS.

IAZ040>042-052>054-066-ILZ001-002-007-009-051015-
/O.CON.KDVN.WC.W.0001.000000T0000Z-070205T1500Z/
/O.CON.KDVN.WC.Y.0004.070205T1500Z-070206T0600Z/
BUCHANAN-DELAWARE-DUBUQUE-LINN-JONES-JACKSON-CLINTON-JO DAVIESS-
STEPHENSON-CARROLL-WHITESIDE-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
CEDAR RAPIDS...ANAMOSA...MAQUOKETA...CLINTON...GALENA...
FREEPORT...MOUNT CARROLL...STERLING...ROCK FALLS
811 PM CST SUN FEB 4 2007

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 9 AM CST MONDAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 9 AM MONDAY TO
MIDNIGHT CST MONDAY NIGHT...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 9 AM CST MONDAY. A
WIND CHILL ADVISORY REMAINS IN EFFECT FROM 9 AM MONDAY TO
MIDNIGHT CST MONDAY NIGHT. 

THE COMBINATION OF BITTER COLD TEMPERATURES AND 8 TO 13 MPH WINDS
WILL RESULT IN DANGEROUSLY COLD WIND CHILLS OF 20 BELOW ZERO OR
COLDER FOR AN EXTENDED PERIOD OF TIME. THE WIND CHILL IS EXPECTED
TO DIP DOWN IN THE RANGE OF 30 TO 38 BELOW ZERO LATE TONIGHT AND
EARLY MONDAY. THESE CONDITIONS WILL BE VERY DANGEROUS TO THOSE WHO
ARE UNPREPARED FOR THE COLD WEATHER.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS. A WIND CHILL WARNING MEANS A
COMBINATION OF BITTERLY COLD AIR AND WIND WILL CREATE DANGEROUSLY
LOW WIND CHILL VALUES.... RESULTING IN FROST BITE ...HYPOTHERMIA
OR EVEN DEATH IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE
OUTDOORS...DRESS APPROPRIATELY IN LAYERS COVERING EXPOSED SKIN.
FROSTBITE WILL OCCUR IN AS FEW AS 10 MINUTES IN THESE CONDITIONS.

$$

IAZ051-063>065-067-068-076>078-ILZ015>018-024-051015-
/O.CON.KDVN.WC.Y.0004.000000T0000Z-070206T0600Z/
BENTON-IOWA-JOHNSON-CEDAR-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-
LOUISA-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-
INCLUDING THE CITIES OF...VINTON...MARENGO...IOWA CITY...TIPTON...
MUSCATINE...BETTENDORF...DAVENPORT...SIGOURNEY...WASHINGTON...
WAPELLO...MOLINE...ROCK ISLAND...KEWANEE...PRINCETON...HENNEPIN...
ALEDO
811 PM CST SUN FEB 4 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
MONDAY NIGHT...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST MONDAY
NIGHT. 

THE COMBINATION OF FRIGIDLY COLD TEMPERATURES AND 8 TO 13 MPH
WINDS WILL RESULT IN DANGEROUSLY COLD WIND CHILLS OF 20 TO
30 BELOW ZERO.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS...RESULTING IN FROST BITE AND
HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE
OUTDOORS...DRESS IN LAYERS COVERING EXPOSED SKIN. FROSTBITE WILL
OCCUR IN AS FEW AS 10 MINUTES IN THESE CONDITIONS.

$$
000 
WWUS43 KDVN 051013
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
413 AM CST MON FEB 5 2007

...DANGEROUS WIND CHILLS WILL CONTINUE...

.ARCTIC AIR REMAINS IN PLACE ACROSS THE REGION. THE COMBINATION
OF WIND AND BITTERLY COLD TEMPERATURES WILL CONTINUE TO
CREATE DANGEROUSLY COLD WIND CHILLS THROUGH THIS EVENING. 

IAZ040>042-052>054-066-ILZ001-002-007-009-051815-
/O.CAN.KDVN.WC.W.0001.000000T0000Z-070205T1500Z/
/O.EXT.KDVN.WC.Y.0004.070205T1013Z-070206T0600Z/
BUCHANAN-DELAWARE-DUBUQUE-LINN-JONES-JACKSON-CLINTON-JO DAVIESS-
STEPHENSON-CARROLL-WHITESIDE-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
CEDAR RAPIDS...ANAMOSA...MAQUOKETA...CLINTON...GALENA...
FREEPORT...MOUNT CARROLL...STERLING...ROCK FALLS
413 AM CST MON FEB 5 2007

...WIND CHILL WARNING IS CANCELLED...
...WIND CHILL ADVISORY NOW IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS CANCELLED THE
WIND CHILL WARNING. THE WIND CHILL ADVISORY IS NOW IN EFFECT
UNTIL MIDNIGHT CST TONIGHT. 

DANGEROUSLY COLD WIND CHILLS WILL PERSIST...WITH WIND CHILLS
DIPPING DOWN IN THE RANGE OF 20 TO 30 BELOW ZERO AT TIMES...
MAINLY THIS MORNING...AND AGAIN THIS EVENING. SOME IMPROVEMENT
IS LIKELY THIS AFTERNOON AS TEMPERATURES CLIMB AND WINDS
DIMINISH...ALLOWING WIND CHILLS TO RISE ABOVE 20 BELOW ZERO...
STILL QUITE COLD.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS...RESULTING IN FROST BITE
AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE
OUTDOORS...DRESS IN LAYERS COVERING EXPOSED SKIN. FROSTBITE WILL
OCCUR IN A FEW AS 10 MINUTES IN THESE CONDITIONS.

$$

IAZ076>078-ILZ024-051115-
/O.CAN.KDVN.WC.Y.0004.000000T0000Z-070206T0600Z/
KEOKUK-WASHINGTON-LOUISA-MERCER-
INCLUDING THE CITIES OF...SIGOURNEY...WASHINGTON...WAPELLO...
ALEDO
413 AM CST MON FEB 5 2007

...WIND CHILL ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS CANCELLED THE
WIND CHILL ADVISORY. 

EVEN THOUGH THE ADVISORY HAS BEEN CANCELLED...BITTER COLD WIND
CHILLS WILL PERSIST THROUGH TONIGHT. WIND CHILLS WILL DIP DOWN IN
THE RANGE OF 10 TO 20 BELOW ZERO AT TIMES THIS MORNING...AND
AGAIN TONIGHT.

$$

IAZ051-063>065-067-068-ILZ015>018-051815-
/O.EXT.KDVN.WC.Y.0004.070205T1013Z-070206T0600Z/
BENTON-IOWA-JOHNSON-CEDAR-MUSCATINE-SCOTT-ROCK ISLAND-HENRY IL-
BUREAU-PUTNAM-
INCLUDING THE CITIES OF...VINTON...MARENGO...IOWA CITY...TIPTON...
MUSCATINE...BETTENDORF...DAVENPORT...MOLINE...ROCK ISLAND...
KEWANEE...PRINCETON...HENNEPIN
413 AM CST MON FEB 5 2007

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL MIDNIGHT CST
TONIGHT. 

DANGEROUSLY COLD WIND CHILLS WILL PERSIST...WITH WIND CHILLS
DIPPING DOWN IN THE RANGE OF 20 TO 30 BELOW ZERO AT TIMES...
MAINLY THIS MORNING...AND AGAIN THIS EVENING. SOME IMPROVEMENT
IS LIKELY THIS AFTERNOON AS TEMPERATURES CLIMB AND WINDS
DIMINISH...ALLOWING WIND CHILLS TO RISE ABOVE 20 BELOW ZERO...
STILL QUITE COLD.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS...RESULTING IN FROST BITE AND
HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE
OUTDOORS...DRESS IN LAYERS COVERING EXPOSED SKIN. FROSTBITE WILL
OCCUR IN AS FEW AS 10 MINUTES IN THESE CONDITIONS.

$$
000 
WWUS43 KDVN 051714
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1114 AM CST MON FEB 5 2007

...DANGEROUS WIND CHILLS WILL CONTINUE...

.ARCTIC AIR REMAINS IN PLACE ACROSS THE REGION. THE COMBINATION
OF WIND AND BITTERLY COLD TEMPERATURES WILL CONTINUE TO CREATE
DANGEROUSLY COLD WIND CHILLS THROUGH THIS EVENING.

IAZ063>068-ILZ009-015>018-051815-
/O.CAN.KDVN.WC.Y.0004.000000T0000Z-070206T0600Z/
IOWA-JOHNSON-CEDAR-CLINTON-MUSCATINE-SCOTT-WHITESIDE-ROCK ISLAND-
HENRY IL-BUREAU-PUTNAM-
INCLUDING THE CITIES OF...MARENGO...IOWA CITY...TIPTON...
CLINTON...MUSCATINE...BETTENDORF...DAVENPORT...STERLING...
ROCK FALLS...MOLINE...ROCK ISLAND...KEWANEE...PRINCETON...
HENNEPIN
1114 AM CST MON FEB 5 2007

...WIND CHILL ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS CANCELED THE
WIND CHILL ADVISORY. 

TEMPERATURES ARE EXPECTED TO CONTINUE TO CLIMB ABOVE ZERO THIS
AFTERNOON...AND COMBINED WITH RATHER LIGHT WINDS OF UNDER 10
MPH...WIND CHILLS WILL CLIMB ABOVE ADVISORY CRITERIA AND REMAIN
THERE THROUGH THE EVENING. THUS THE WIND CHILL ADVISORY HAS BEEN
CANCELED FOR AREAS GENERALLY ALONG AND JUST NORTH OF THE
INTERSTATE 80 CORRIDOR. HOWEVER...WITH WIND CHILLS STILL IN THE
TEENS BELOW ZERO IN THE PREVIOUS ADVISORY AREA...IT IS STILL
ADVISED TO TAKE THE NECESSARY PRECAUTIONS BEFORE VENTURING OUTSIDE
THIS AFTERNOON AND EVENING.

$$

IAZ040>042-051>054-ILZ001-002-007-060115-
/O.CON.KDVN.WC.Y.0004.000000T0000Z-070206T0600Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-JO DAVIESS-
STEPHENSON-CARROLL-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...GALENA...FREEPORT...
MOUNT CARROLL
1114 AM CST MON FEB 5 2007

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT. 

DANGEROUSLY COLD WIND CHILLS WILL PERSIST...WITH WIND CHILLS
DIPPING DOWN IN THE RANGE OF 20 TO 30 BELOW ZERO AT TIMES...
ESPECIALLY DURING THE LATE AFTERNOON AND EVENING. SOME TEMPORARY IMPROVEMENT
WILL OCCUR IN PORTIONS OF THE ADVISORY EARLY THIS AFTERNOON WITH
CLIMBING TEMPERATURES AND WINDS UNDER 10 MPH FOR WIND CHILLS
RISING ABOVE 20 BELOW ZERO. BUT FALLING TEMPERATURES AGAIN THIS
EVENING WILL BRING ABOUT THE RETURN OF DANGEROUS WIND CHILLS.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS...RESULTING IN FROST BITE
AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE
OUTDOORS...DRESS IN LAYERS COVERING EXPOSED SKIN. FROSTBITE WILL
OCCUR IN A FEW AS 10 MINUTES IN THESE CONDITIONS.

$$

12
000 
WWUS43 KDVN 052153
WSWDVN

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
353 PM CST MON FEB 5 2007

...SNOW ON THE WAY FOR TUESDAY...

.A CLIPPER LOW PRESSURE SYSTEM WILL MOVE QUICKLY DOWN ACROSS THE
AREA LATE TONIGHT AND TUESDAY AND PRODUCE WIDESPREAD 2 TO 5 INCH
SNOW AMOUNTS IN THE ADVISORY AREA BY LATE TUESDAY AFTERNOON. THE
SNOW SHOULD START SPREADING IN FROM THE WEST ACROSS EASTERN IOWA
BY LATE TONIGHT...AND CONTINUE TO SPREAD ACROSS THE REMAINDER OF
THE AREA THROUGH TUESDAY MORNING. THE SNOW MAY BECOME LOCALLY
HEAVY AT TIMES DURING THE MID TO LATE MORNING PERIOD WITH UP TO
AN INCH AN HOUR SNOWFALL RATES...BEFORE THE SYSTEM MOVES OFF TO
THE EAST AND THE SNOW TAPERS OFF DURING THE AFTERNOON. ALTHOUGH
THE WINDS WILL BE ON THE LIGHT SIDE ON TUESDAY...THE FLUFFY NATURE
OF THE SNOW WILL ALLOW IT TO STILL BE BLOWN AND DRIFTED ACROSS
ROADS.

IAZ040>042-051>054-ILZ007-060600-
/O.CAN.KDVN.WC.Y.0004.000000T0000Z-070206T0600Z/
/O.NEW.KDVN.SN.Y.0003.070206T1000Z-070207T0000Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-CARROLL-
INCLUDING THE CITIES OF...INDEPENDENCE...MANCHESTER...DUBUQUE...
VINTON...CEDAR RAPIDS...ANAMOSA...MAQUOKETA...MOUNT CARROLL
353 PM CST MON FEB 5 2007

...WIND CHILL ADVISORY IS CANCELLED...
...SNOW ADVISORY IN EFFECT FROM 4 AM TO 6 PM CST TUESDAY...

WINDS 5 MPH OR LESS THIS EVENING UNDER A HIGH PRESSURE SYSTEM WILL
ALLOW THE WIND CHILL ADVISORY TO BE DROPPED. AMBIENT TEMPERATURES
WILL STILL BE FRIGID AND DROP WELL BELOW ZERO AGAIN AS THE EVENING
PROGRESSES...THUS TAKE THE NECESSARY PRECAUTIONS IF HEADED OUT
TONIGHT.

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM 4 AM TO 6 PM CST TUESDAY. 

A CLIPPER SYSTEM OUT OF CANADA WILL PRODUCE ACCUMULATING SNOW OF 2
TO 5 INCHES IN THE ADVISORY AREA BY LATE TUESDAY AFTERNOON. THE
SNOW WILL START IN THE INDEPENDENCE AND CEDAR RAPIDS AREA BY 4
AM...AND THEN CONTINUE TO SPREAD EAST AND INTENSIFY THROUGH
TUESDAY MORNING. THE SNOW WILL TAPER OFF AND END FROM WEST TO EAST
TUESDAY AFTERNOON.

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

$$

ILZ001-002-052300-
/O.CAN.KDVN.WC.Y.0004.000000T0000Z-070206T0600Z/
JO DAVIESS-STEPHENSON-
INCLUDING THE CITIES OF...GALENA...FREEPORT
353 PM CST MON FEB 5 2007

...WIND CHILL ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS CANCELED THE
WIND CHILL ADVISORY. 

WINDS 5 MPH OR LESS THIS EVENING UNDER A HIGH PRESSURE SYSTEM WILL
ALLOW THE WIND CHILL ADVISORY TO BE DROPPED. AMBIENT TEMPERATURES
WILL STILL BE FRIGID AND DROP WELL BELOW ZERO AGAIN AS THE EVENING
PROGRESSES...THUS TAKE THE NECESSARY PRECAUTIONS IF HEADED OUT
TONIGHT.

$$

IAZ063>068-076>078-087>089-098-099-ILZ009-015>018-024>026-034-035-
MOZ009-010-060600-
/O.NEW.KDVN.SN.Y.0003.070206T1000Z-070207T0000Z/
IOWA-JOHNSON-CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-
LOUISA-JEFFERSON-HENRY IA-DES MOINES-VAN BUREN-LEE-WHITESIDE-
ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-HENDERSON-WARREN-
HANCOCK-MCDONOUGH-SCOTLAND-CLARK-
INCLUDING THE CITIES OF...MARENGO...IOWA CITY...TIPTON...
CLINTON...MUSCATINE...BETTENDORF...DAVENPORT...SIGOURNEY...
WASHINGTON...WAPELLO...FAIRFIELD...MOUNT PLEASANT...BURLINGTON...
KEOSAUQUA....FORT MADISON...STERLING...ROCK FALLS...MOLINE...
ROCK ISLAND...KEWANEE...PRINCETON...HENNEPIN...ALEDO...OQUAWKA...
MONMOUTH...CARTHAGE...MACOMB...MEMPHIS...KAHOKA
353 PM CST MON FEB 5 2007

...SNOW ADVISORY IN EFFECT FROM 4 AM TO 6 PM CST TUESDAY...

THE NATIONAL WEATHER SERVICE IN QUAD CITIES HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM 4 AM TO 6 PM CST TUESDAY. 

A CLIPPER SYSTEM OUT OF CANADA WILL PRODUCE ACCUMULATING SNOW OF 2
TO 5 INCHES IN THE ADVISORY AREA BY LATE TUESDAY AFTERNOON. THE
SNOW WILL START IN THE MARENGO TO KEOSAUQUA AREAS BY 4 AM...AND
THEN CONTINUE TO SPREAD EAST AND INTENSIFY THROUGH TUESDAY
MORNING. THE SNOW WILL TAPER OFF AND END FROM WEST TO EAST TUESDAY
AFTERNOON. CURRENT INDICATIONS SUGGEST AREAS MORE LIKELY OF
RECEIVING THE 4 TO 5 INCH AMOUNTS WILL BE ALONG AND AXIS FROM
JUST NORTH OF MARENGO...TO JUST SOUTH OF THE QUAD CITIES AND TO
MONMOUTH AND KEWANEE ILLINOIS.

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

$$

12

What forecasters said that day

The local office's own words before this wind chill advisory 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 wind chill advisory went out at Feb 2, 2:52 PM CST, 13 minutes earlier.

Area forecast discussion, Feb 2, 2:52 PM CST, 13 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
252 PM CST FRI FEB 2 2007

...EXTENDED PERIOD OF BITTER COLD WEATHER HAS ARRIVED...

.SYNOPSIS...
WELL-ADVERTISED ARCTIC AIR MASS POURING INTO CWA TODAY...WITH
CONTINUED REINFORCING SHOTS OF COLD AIR TO KEEP IT HERE.  SUBJECTIVE
12Z UPPER AIR ANALYSIS INDICATES DEEP UPPER LOW OVER HUDSON BAY WITH
UPPER RIDGE ALONG THE PAC COAST INTO AK.  OVERNIGHT CLIPPER WAS
EVIDENT AS A SHORTWAVE EXTENDING FROM MN/WI THROUGH IA INTO
NEB/KS...WITH NEXT UPSTREAM CLIPPER EXTENDING FROM MB INTO
ND/MT/WY.  UPPER LEVEL JET EXTENDED FROM TX TOWARD THE
CAROLINAS...WITH 190KT JET STREAK AT 250MB IN THE ARKLATEX AREA.
NRN STREAM JET CONTINUES TO DIVE SWD ON BACK SIDE OF UPPER LOW.  POOL
OF <-20C 850MB TEMPS COVERED IA AND MUCH OF NEB INTO NRN KS...WITH
-20 TO -30 TEMPS LOCATED BEHIND THE NEXT UPSTREAM CLIPPER.
MID-LEVEL AIR HAS BEEN DRYING IN THE CENTRAL US...WITH LIMITED
MOISTURE ASSOCIATED WITH THE UPSTREAM CLIPPER.

&&

.SHORT TERM...TONIGHT AND TOMORROW...
MAIN ISSUES IN THE SHORT TERM ARE WIND CHILLS OVERNIGHT INTO
TOMORROW AND POSSIBLE LIGHT SNOW/FLURRIES OVERNIGHT.  COULD ALMOST
SAY THAT THE SHORT TERM WILL BE A CARBON COPY OF THE PAST 24 HRS BUT
SEVERAL DEGREES COLDER...WITH FAST-MOVING AND MOISTURE-STARVED
CLIPPER RACING ACROSS THE CWA OVERNIGHT AND COLD FRONT IN ITS WAKE
BRINGING ANOTHER SURGE OF EVEN COLDER AIR...ALONG WITH GUSTY WINDS.
TACKLING THE SNOW FIRST...BELIEVE EVENT WILL BE SIMILAR TO LAST
NIGHT...WITH TRACE LIQUID EQUIVALENT AT BEST BUT HIGH SNOW RATIOS
LEADING TO A FEW TENTHS OF AN INCH.  HAVE NEAR-GUIDANCE POPS WITH
ISOLATED LT SNOW/SCT FLURRY WORDING...TRYING TO CONVEY CONFIDENCE IN
SEEING A DUSTING WITH NO MEASURABLE LIQUID.  COLD FRONTAL PASSAGE IS
PROGGED IN THE EARLY MORNING...WITH GUSTY WINDS IN ITS WAKE.  HAVE
OPTED TOWARD A CLEARING TREND TMRW BASED ON THE PATTERN...WITH
LOW-LEVEL RH PROGS REMAINING UNRELIABLE.

TEMPERATURES CONTINUE TO FALL WELL BELOW GUIDANCE.  HAVE GONE BELOW
AGAIN TONIGHT...AND BELOW MINS FROM TODAY WITH REINFORCING COLD AIR
PUSHING IN.  THIS BRINGS MIN TEMPS IN THE MORNING AS LOW AS -10 IN
THE NW...WHERE COOP REPORTS HAVE BEEN BELOW -10 FOR THE LAST COUPLE
OF MORNINGS ANYWAY...AND BELOW ZERO ACROSS THE NWRN 3/4 OF THE CWA.
TEMPS IN THE NRN CWA MAY STRUGGLE TO GET ABOVE ZERO TOMORROW...WHILE
SRN SECTIONS MAY STILL REACH THE LOW TEENS.  COMBINATION OF COLD AIR
AND GUSTY WINDS MAKE WIND CHILL ADVISORY AN EASY CALL FOR OVERNIGHT
INTO TOMORROW...WITH PEAK WIND CHILLS AROUND 12-15Z LIKE TODAY.
MANAGED TO BRUSH -30 DEGREES IN THE NRN AREAS THIS MORNING...AND
WITH COLDER CONDITIONS EXPECTED TOMORROW...EXPECT WE WILL DO THAT
AGAIN TOMORROW MORNING...THOUGH FOR COLLABORATION PURPOSES DID NOT
ISSUE A WIND CHILL WARNING AT THIS TIME.  SRN SECTIONS MAY BE
MARGINAL BUT WILL INCLUDE THEM FOR BOTH CONSISTENCY AND FOR POSSIBLE
MARGIN OF ERROR WITH MIN TEMP FORECAST.  WILL RUN AREAS ALONG AND N
OF I-80 THROUGH 21Z AS CURRENT PROGS WOULD INDICATE SOME OF THOSE
AREAS NEVER GO ABOVE -20F WIND CHILLS...AND WILL RUN SRN SECTION TO
18Z WITH MORE TYPICAL DIURNAL RECOVERY.

..MAYES..

.LONG TERM...TOMORROW NIGHT THROUGH NEXT FRIDAY...
SATURDAY NIGHT THROUGH SUNDAY NIGHT WE REMAIN IN THE NORTHWEST FLOW
WITH A WEAK SHORTWAVE DROPPING ACROSS THE AREA ON SUNDAY. TIMING
IS STILL PROBLEMATIC...BUT FOR NOW IT LOOKS LIKE THE BEST CHANCE
FOR FLURRIES IS SUNDAY AFTERNOON. WITH AS COLD AS WE WILL BE...ANY
WEAK LITTLE FEATURE THAT MOVES THROUGH THE AREA WILL BE ABLE TO
PRODUCE FLURRIES...WITH ONLY A LITTLE MOISTURE AVAILABLE.
TEMPERATURES WILL REMAIN VERY COLD...WITH 850MB TEMPERATURES
AROUND -20 OR COLDER THROUGH SUNDAY AND INTO MONDAY.

MONDAY THROUGH NEXT FRIDAY THE MAIN CONCERNS INCLUDE THE VERY SLOW
MODERATION OF TEMPERATURES...AND POSSIBLE CHANCES OF SNOW MONDAY
NIGHT AND TUESDAY...AND AGAIN ON FRIDAY.   THROUGH THE PERIOD...WE
REMAIN IN LARGE SCALE CYCLONIC FLOW ALOFT...WITH THE MAIN UPPER
LEVEL LOW SLOWLY SHIFTING FARTHER NORTHEAST.  THUS...WE ARE NOT
GOING TO GET OUT OF THE ICE BOX ANY TIME SOON. ANTICIPATE BELOW
NORMAL TEMPERATURES...THE QUESTION IS JUST HOW FAR BELOW.  MEASURING
BY THE 850MB TEMPERATURES...WE REMAIN CLOSE TO CURRENT VALUES INTO
MONDAY...WITH A VERY SLOW MODERATION INTO THE END OF THE WEEK.
COMPLICATING THINGS A LITTLE IS THE POSSIBILITY FOR SNOW MONDAY
NIGHT/EARLY TUESDAY.  THE GFS IS ATTEMPTING TO BRING A WEAK AREA OF
ISENTROPIC LIFT WITH A SHORTWAVE IN HERE LATE MONDAY NIGHT OR EARLY
TUESDAY.  THIS IS NOT SUPPORTED BY THE ECMWF OR UKMET MODELS...WHICH
KEEP THE WAVE TO OUR SOUTHWEST.  HOWEVER...THE NAM IN THE SHORTER
RANGES HAS A PRETTY GOOD SHORTWAVE THAT LOOKS LIKE IT WOULD MOVE
ACROSS OUR AREA MONDAY NIGHT.  FOR NOW...IT SEEMS TO BE A BIT OF A
TOSS UP...AND SINCE THIS IS NOT AN OVERLY STRONG SYSTEM...HAVE OPTED
TO LEAVE IT OUT FOR NOW AND WE WILL SEE WHAT LATER RUNS PRODUCE.
LATE THURSDAY AND FRIDAY THINGS LOOK A LITTLE BETTER FOR PRECIP
CHANCES AS THE SURFACE RIDGE ACTUALLY RETREATS OFF TO THE EAST
FARTHER AND SOME WARMTH AND MOISTURE GETS PUSHED INTO THE AREA ALONG
WITH SOME HALFWAY DECENT DYNAMICS.  SINCE THE TIMING IS LIKELY TO
SHIFT ABOUT...HAVE GONE WITH ONLY SLIGHT CHANCES FOR NOW AND WILL
LET LATER RUNS REFINE SOME.

..LE..

&&

.DVN WATCHES/WARNINGS/ADVISORIES...
IA...WIND CHILL ADVISORY FROM 9 PM THIS EVENING TO 3 PM CST SATURDAY
     FOR BENTON-BUCHANAN-CEDAR-CLINTON-DELAWARE-DUBUQUE-IOWA-
     JACKSON-JOHNSON-JONES-KEOKUK-LINN-LOUISA-MUSCATINE-SCOTT-
     WASHINGTON.

     WIND CHILL ADVISORY FROM 9 PM THIS EVENING TO 12 PM CST SATURDAY
     FOR DES MOINES-HENRY IA-JEFFERSON-LEE-VAN BUREN.

IL...WIND CHILL ADVISORY FROM 9 PM THIS EVENING TO 3 PM CST SATURDAY
     FOR BUREAU-CARROLL-HENRY IL-JO DAVIESS-MERCER-PUTNAM-ROCK
     ISLAND-STEPHENSON-WHITESIDE.

     WIND CHILL ADVISORY FROM 9 PM THIS EVENING TO 12 PM CST SATURDAY
     FOR HANCOCK-HENDERSON-MCDONOUGH-WARREN.

MO...WIND CHILL ADVISORY FROM 9 PM THIS EVENING TO 12 PM CST SATURDAY
     FOR CLARK-SCOTLAND.

&&

MAYES/LE
Hazardous weather outlook, Feb 2, 6:40 AM CST, 8 hours 25 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED...
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
640 AM CST FRI FEB 2 2007

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-031115-
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-
510 AM CST FRI FEB 2 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
ILLINOIS...NORTHWEST ILLINOIS...WEST CENTRAL ILLINOIS...EAST
CENTRAL IOWA...NORTHEAST IOWA...SOUTHEAST IOWA AND NORTHEAST
MISSOURI.

.DAY ONE...TODAY AND TONIGHT

BITTERLY COLD WIND CHILLS OF 20 TO 30 BELOW ZERO WILL BE FOUND
OVER PORTIONS OF EASTERN IOWA THROUGH MID MORNING. A WIND CHILL
ADVISORY IS IN EFFECT UNTIL 10 AM FOR BUCHANAN...DELAWARE...DUBUQUE
...BENTON...LINN...JONES...JACKSON...IOWA...JOHNSON...CEDAR...
CLINTON...SCOTT...MUSCATINE...KEOKUK...AND WASHINGTON COUNTIES.

STRONG NORTHWEST WINDS GUSTING OVER 30 MPH AT TIMES WILL PRODUCE
AREAS OF BLOWING SNOW...REDUCING VISIBILITIES TO AROUND ONE
MILE OR LESS IN SOME WIND PRONE AND RURAL AREAS...ESPECIALLY THIS
MORNING.

A CLIPPER SYSTEM WILL SWEEP ACROSS THE OUTLOOK AREA LATE TONIGHT
AND SATURDAY MORNING... AND WILL BE ACCOMPANIED BY FLURRIES AND
SNOW SHOWERS WITH UP TO AN INCH OF ACCUMULATION. A STRONGER SURGE
OF ARCTIC AIR IS EXPECTED TO INVADE THE OUTLOOK AREA AFTER THE
PASSAGE OF THIS CLIPPER SYSTEM. STRONG NORTHWEST WINDS WILL BRING
SOME BLOWING SNOW AND REDUCED VISIBILITY...AND BITTER COLD WIND
CHILLS OF 20 TO 30 BELOW. A WIND CHILL ADVISORY WILL LIKELY BE NEEDED
FOR PORTIONS OF THE OUTLOOK AREA ONCE AGAIN LATE TONIGHT THROUGH
SATURDAY MORNING.

ICE JAMS WILL BE POSSIBLE ON AREA RIVERS FOR THE NEXT SEVERAL
DAYS.  MINOR ICE JAMS HAVE ALREADY OCCURRED ON THE ROCK RIVER IN
ILLINOIS AND ALSO ON SECTIONS OF THE WAPSIPINICON AND MAQUOKETA
RIVERS IN EASTERN IOWA.  MINOR RISES UP TO NEAR FLOOD STAGE ARE
POSSIBLE...BUT RAPID RISES ARE NOT EXPECTED WHERE THESE ICE JAMS
FORM.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THE COLDEST AIR OF THE SEASON IS EXPECTED TO PRODUCE LOW
TEMPERATURES FROM 10 BELOW TO 20 BELOW ZERO BOTH SUNDAY AND MONDAY
MORNING...WITH HIGHS BOTH DAYS STRUGGLING TO REACH THE SINGLE
DIGITS ABOVE ZERO. IF WINDS CAN MAINTAIN SPEEDS OF 10 TO 15 MPH
SATURDAY NIGHT INTO SUNDAY MORNING...LIFE THREATENING WIND CHILLS
OF 30 BELOW OR EVEN COLDER WILL CREATE THE NEED FOR A WIND CHILL
WARNING... ESPECIALLY ALONG AND NORTH OF THE INTERSTATE 80 CORRIDOR.
STAY TUNED FOR UPDATED FORECASTS AND STATEMENTS CONCERNING THIS
DANGEROUSLY COLD ARCTIC OUTBREAK OVER THE UPCOMING WEEKEND.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT. SPOTTERS
ARE ENCOURAGED TO REPORT ANY ICE JAMS OR HIGH RIVER LEVELS TO THE
NATIONAL WEATHER SERVICE OFFICE IN THE QUAD CITIES.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 2, 3:50 AM CSTWind Chill AdvisoryDVNBureau, Carroll, Henry, Jo Daviess, Mercer, Putnam and 3 more8 hr

Nearby

Wind Chill Advisories in Iowa, 2007Wind Chill Advisories in Illinois, 2007Wind Chill Advisories in Missouri, 2007Every wind chill advisory in 2007

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.