Alert archive / Iowa / Wind Chill Advisories in 2010

Wind Chill Advisory 13, NWS Des Moines, IA

January 7, 201051 counties in Iowa

NWS Des Moines, IA issued this wind chill advisory at Jan 7, 2010, 3:24 PM CST for 51 counties in Iowa. It took effect at Jan 7, 2010, 9:00 PM CST. It was in force for 36 hr.

The area

The counties it named.

The facts

Issued
Jan 7, 2010, 3:24 PM CST (21:24 UTC)
In effect from
Jan 7, 2010, 9:00 PM CST
Expired
Jan 9, 2010, 9:00 AM CST
In force
36 hr
Issued by
NWS Des Moines, IA
All 51 counties

Adair County, IA, Adams County, IA, Appanoose County, IA, Audubon County, IA, Black Hawk County, IA, Boone County, IA, Bremer County, IA, Butler County, IA, Calhoun County, IA, Carroll County, IA, Cass County, IA, Cerro Gordo County, IA, Clarke County, IA, Crawford County, IA, Dallas County, IA, Davis County, IA, Decatur County, IA, Emmet County, IA, Franklin County, IA, Greene County, IA, Grundy County, IA, Guthrie County, IA, Hamilton County, IA, Hancock County, IA, Hardin County, IA, Humboldt County, IA, Jasper County, IA, Kossuth County, IA, Lucas County, IA, Madison County, IA, Mahaska County, IA, Marion County, IA, Marshall County, IA, Monroe County, IA, Palo Alto County, IA, Pocahontas County, IA, Polk County, IA, Poweshiek County, IA, Ringgold County, IA, Sac County, IA, Story County, IA, Tama County, IA, Taylor County, IA, Union County, IA, Wapello County, IA, Warren County, IA, Wayne County, IA, Webster County, IA, Winnebago County, IA, Worth County, IA, Wright County, IA

The radar

The Des Moines radar (KDMX), 23 km from the middle of the area, began a volume at 21:30 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

Omaha, NE (KOAX), launched 12:00Z, 9.4 hours before the alert went out and 230 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, Omaha, NE at 12:00Z on 2010-01-07Temperature 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, Omaha, NE at 12:00Z on 2010-01-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 97 square meters per square second.19395878Sfc1 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
655 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
97 m²/s²
0-3 km storm-relative helicity
154 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.

359 
WWUS43 KDMX 072124
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
324 PM CST THU JAN 7 2010

...BLOWING SNOW AND VERY POOR VISIBILITY THROUGH THE EVENING
FOLLOWED BY DANGEROUS WIND CHILLS OVERNIGHT INTO FRIDAY...

.A WINTER STORM WILL CONTINUE TO AFFECT IOWA TONIGHT WITH BLOWING
SNOW AND BITTER WIND CHILLS. NORTHWEST WINDS HAVE BECOME STRONG
AND WILL CONTINUE THIS EVENING. THIS IS RESULTING IN CONSIDERABLE
BLOWING AND DRIFTING OF SNOW AND NEAR WHITE OUT CONDITIONS AT
TIMES ACROSS THE REGION.

IAZ004>007-015>017-023>027-033>038-044>048-057>060-070>073-
081>083-092>094-080530-
/O.NEW.KDMX.WC.W.0003.100108T0300Z-100108T1800Z/
/O.EXT.KDMX.WS.W.0001.000000T0000Z-100108T0300Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-SAC-CALHOUN-WEBSTER-
HAMILTON-HARDIN-GRUNDY-CRAWFORD-CARROLL-GREENE-BOONE-STORY-
AUDUBON-GUTHRIE-DALLAS-POLK-CASS-ADAIR-MADISON-WARREN-ADAMS-UNION-
CLARKE-TAYLOR-RINGGOLD-DECATUR-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...ALLISON...SAC CITY...
ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA...
GRUNDY CENTER...DENISON...CARROLL...JEFFERSON...BOONE...AMES...
AUDUBON...GUTHRIE CENTER...ADEL...DES MOINES...ATLANTIC...
GREENFIELD...WINTERSET...INDIANOLA...CORNING...CRESTON...
OSCEOLA...BEDFORD...MOUNT AYR...LEON
324 PM CST THU JAN 7 2010

...WINTER STORM WARNING NOW IN EFFECT UNTIL 9 PM CST THIS
EVENING...
...WIND CHILL WARNING IN EFFECT FROM 9 PM THIS EVENING TO NOON
CST FRIDAY...

WIND CHILL WARNING...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND
CHILL WARNING...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO NOON
CST FRIDAY. THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 9 PM
CST THIS EVENING. 

* WIND CHILLS...AS THE TEMPERATURES DROPS TONIGHT...DANGEROUS WIND
  CHILLS OF 30 TO 40 BELOW WILL BECOME COMMON THROUGH NOON FRIDAY.
  NORTHWEST WINDS OF 15 TO 25 MPH LATE TONIGHT WILL COMBINE WITH
  TEMPERATURES WELL BELOW ZERO TO CREATE DANGEROUS CONDITIONS.

WINTER STORM WARNING...

* WIND AND VISIBILITY...WINDS GUSTING TO AS HIGH AS 25 TO 40 MPH
  WILL CAUSE THE VISIBILITY TO REMAIN UNDER ONE MILE IN URBAN
  AREAS AND POSSIBLY LESS THAN ONE QUARTER MILE IN RURAL AREAS AT
  TIMES THROUGH THE EVENING HOURS.


* IMPACTS...SIGNIFICANT BLOWING AND DRIFTING OF SNOW WILL CONTINUE
  THROUGH THE EVENING. NUMEROUS RURAL ROADWAYS AND SOME SECTIONS
  OF INTERSTATES HAVE BECOME IMPASSIBLE. IN ADDITION...NEAR
  BLIZZARD TO WHITEOUT CONDITIONS ARE LIKELY AT TIMES THIS
  EVENING. SOME POWER OUTAGES MAY OCCUR WHERE SIGNIFICANT ICE
  ACCUMULATIONS REMAIN ON POWER LINES AND TREES INCLUDING PORTIONS
  OF AUDUBON... CRAWFORD AND CARROLL COUNTIES. TRAVEL IS NOT
  ADVISED OVER MUCH OF NORTH CENTRAL THROUGH SOUTH CENTRAL IOWA
  THROUGH THE EVENING HOURS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF BLOWING SNOW ARE
FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD
ITEMS HIGH IN CALORIES...AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY.

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
SUFFICIENT WIND WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES.
THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

&&

$$

IAZ028-039-049-050-061-062-074-075-084>086-095>097-080530-
/O.NEW.KDMX.WC.Y.0013.100108T0300Z-100108T1800Z/
/O.EXT.KDMX.WS.W.0001.000000T0000Z-100108T0300Z/
BREMER-BLACK HAWK-MARSHALL-TAMA-JASPER-POWESHIEK-MARION-MAHASKA-
LUCAS-MONROE-WAPELLO-WAYNE-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...WAVERLY...WATERLOO...MARSHALLTOWN...
TOLEDO...NEWTON...GRINNELL...KNOXVILLE...OSKALOOSA...CHARITON...
ALBIA...OTTUMWA...CORYDON...CENTERVILLE...BLOOMFIELD
324 PM CST THU JAN 7 2010

...WINTER STORM WARNING NOW IN EFFECT UNTIL 9 PM CST THIS
EVENING...
...WIND CHILL ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO NOON
CST FRIDAY...

WIND CHILL ADVISORY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO
NOON CST FRIDAY. THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL
9 PM CST THIS EVENING.

* WIND CHILLS...AS THE TEMPERATURES DROPS...DANGEROUS WIND CHILLS
  OF 20 TO 30 BELOW WILL DEVELOP DURING THE OVERNIGHT HOURS AND
  CONTINUE THROUGH NOON FRIDAY.

WINTER STORM WARNING...

* WIND AND VISIBILITY...WINDS GUSTING TO AS HIGH AS 25 TO 40 MPH
  WILL CAUSE THE VISIBILITY TO REMAIN UNDER ONE MILE IN URBAN
  AREAS AND POSSIBLY LESS THAN ONE QUARTER MILE IN RURAL AREAS AT
  TIMES THROUGH THE EVENING HOURS.

* IMPACTS...SIGNIFICANT BLOWING AND DRIFTING OF SNOW WILL CONTINUE
  THROUGH THE EVENING. NUMEROUS RURAL ROADWAYS AND SOME SECTIONS
  OF INTERSTATES HAVE BECOME IMPASSIBLE. IN ADDITION...NEAR
  BLIZZARD TO WHITEOUT CONDITIONS ARE LIKELY AT TIMES THIS
  EVENING. SOME POWER OUTAGES MAY OCCUR WHERE SIGNIFICANT ICE
  ACCUMULATIONS REMAIN ON POWER LINES AND TREES INCLUDING PORTIONS
  OF AUDUBON... CRAWFORD AND CARROLL COUNTIES. TRAVEL IS NOT
  ADVISED OVER MUCH OF NORTH CENTRAL THROUGH SOUTH CENTRAL IOWA
  THROUGH THE EVENING HOURS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF BLOWING SNOW ARE
FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD
ITEMS HIGH IN CALORIES...AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND SUFFICIENT WIND
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

&&

$$

REV
14 follow-up statements
871 
WWUS43 KDMX 080052
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
652 PM CST THU JAN 7 2010

...BLOWING SNOW AND VERY POOR VISIBILITY THROUGH THE EVENING
FOLLOWED BY DANGEROUS WIND CHILLS OVERNIGHT INTO FRIDAY...

.A WINTER STORM WILL CONTINUE TO AFFECT IOWA TONIGHT WITH BLOWING
SNOW AND BITTER WIND CHILLS. ALTHOUGH NORTHWEST WINDS WERE
GRADUALLY BEGINNING TO DIMINISH SOMEWHAT...THEY WILL STILL BE
SUFFICIENT TO PRODUCE CONSIDERABLE BLOWING AND DRIFTING OF SNOW
AND NEAR WHITE OUT CONDITIONS AT TIMES ACROSS THE REGION.

IAZ004>007-015>017-023>027-033>038-044>048-057>060-070>073-
081>083-092>094-080400-
/O.CON.KDMX.WS.W.0001.000000T0000Z-100108T0300Z/
/O.CON.KDMX.WC.W.0003.100108T0300Z-100108T1800Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-SAC-CALHOUN-WEBSTER-
HAMILTON-HARDIN-GRUNDY-CRAWFORD-CARROLL-GREENE-BOONE-STORY-
AUDUBON-GUTHRIE-DALLAS-POLK-CASS-ADAIR-MADISON-WARREN-ADAMS-UNION-
CLARKE-TAYLOR-RINGGOLD-DECATUR-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...ALLISON...SAC CITY...
ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA...
GRUNDY CENTER...DENISON...CARROLL...JEFFERSON...BOONE...AMES...
AUDUBON...GUTHRIE CENTER...ADEL...DES MOINES...ATLANTIC...
GREENFIELD...WINTERSET...INDIANOLA...CORNING...CRESTON...
OSCEOLA...BEDFORD...MOUNT AYR...LEON
652 PM CST THU JAN 7 2010

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING...
...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON CST FRIDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING. A WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON CST
FRIDAY. 

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND
CHILL WARNING...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO NOON
CST FRIDAY. THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 9 PM
CST THIS EVENING.

WIND CHILL WARNING...

* WIND CHILLS...AS THE TEMPERATURE DROPS TONIGHT...DANGEROUS WIND
  CHILLS OF 30 TO 40 BELOW WILL BECOME COMMON THROUGH NOON FRIDAY.
  NORTHWEST WINDS OF 15 TO 25 MPH LATE TONIGHT WILL COMBINE WITH
  TEMPERATURES WELL BELOW ZERO TO CREATE DANGEROUS CONDITIONS.

WINTER STORM WARNING...

* WIND AND VISIBILITY...WINDS GUSTING TO AS HIGH AS 25 TO 35 MPH
  WILL CAUSE THE VISIBILITY TO REMAIN UNDER ONE MILE IN URBAN
  AREAS AND POSSIBLY LESS THAN ONE QUARTER MILE IN RURAL AREAS AT
  TIMES THROUGH THE EVENING HOURS.

* IMPACTS...SIGNIFICANT BLOWING AND DRIFTING OF SNOW WILL CONTINUE
  THROUGH THE EVENING. NUMEROUS RURAL ROADWAYS AND SOME SECTIONS
  OF INTERSTATES HAVE BECOME IMPASSIBLE. IN ADDITION... NEAR
  BLIZZARD TO WHITEOUT CONDITIONS ARE LIKELY AT TIMES THIS
  EVENING. TRAVEL IS NOT ADVISED OVER MUCH OF CENTRAL AND WESTERN
  IOWA WITH PLOWS PULLED OFF THE ROADS AND DRIFTING SHUT IN
  SEVERAL LOCATIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF BLOWING SNOW ARE
FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD
ITEMS HIGH IN CALORIES...AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY.

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
SUFFICIENT WIND WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES.
THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH
IF PRECAUTIONS ARE NOT TAKEN.

&&

$$

IAZ028-039-049-050-061-062-074-075-084>086-095>097-080400-
/O.CON.KDMX.WS.W.0001.000000T0000Z-100108T0300Z/
/O.CON.KDMX.WC.Y.0013.100108T0300Z-100108T1800Z/
BREMER-BLACK HAWK-MARSHALL-TAMA-JASPER-POWESHIEK-MARION-MAHASKA-
LUCAS-MONROE-WAPELLO-WAYNE-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...WAVERLY...WATERLOO...MARSHALLTOWN...
TOLEDO...NEWTON...GRINNELL...KNOXVILLE...OSKALOOSA...CHARITON...
ALBIA...OTTUMWA...CORYDON...CENTERVILLE...BLOOMFIELD
652 PM CST THU JAN 7 2010

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING...
...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST FRIDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING. A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST
FRIDAY. 

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO
NOON CST FRIDAY. THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL
9 PM CST THIS EVENING.

WINTER STORM WARNING...

* WIND AND VISIBILITY...WINDS GUSTING TO AS HIGH AS 25 TO 35 MPH
  WILL CAUSE THE VISIBILITY TO REMAIN UNDER ONE MILE IN URBAN
  AREAS AND POSSIBLY LESS THAN ONE QUARTER MILE IN RURAL AREAS AT
  TIMES THROUGH THE EVENING HOURS.

* IMPACTS...SIGNIFICANT BLOWING AND DRIFTING OF SNOW WILL CONTINUE
  THROUGH THE EVENING. NUMEROUS RURAL ROADWAYS AND SOME SECTIONS
  OF INTERSTATES HAVE BECOME IMPASSIBLE. IN ADDITION... NEAR
  BLIZZARD TO WHITEOUT CONDITIONS ARE LIKELY AT TIMES THIS
  EVENING. TRAVEL IS NOT ADVISED OVER MUCH OF CENTRAL IOWA WITH
  PLOWS PULLED OFF OF ROADS AND DRIFTING SHUT IN A FEW LOCATIONS.

WIND CHILL ADVISORY...

* WIND CHILLS...AS THE TEMPERATURE DROPS...DANGEROUS WIND CHILLS
  OF 20 TO 30 BELOW WILL DEVELOP DURING THE OVERNIGHT HOURS AND
  CONTINUE THROUGH NOON FRIDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF BLOWING SNOW ARE
FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD
ITEMS HIGH IN CALORIES...AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND SUFFICIENT
WIND WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT
IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT
TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT
AND GLOVES.

&&

$$

REV/BSS
807 
WWUS43 KDMX 080321
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
921 PM CST THU JAN 7 2010

...DANGEROUS WIND CHILLS ANTICIPATED OVERNIGHT INTO FRIDAY...

.ALTHOUGH SOME BLOWING AND DRIFTING SNOW WILL CONTINUE...WINDS
SHOULD DIMINISH JUST ENOUGH THAT BITTER WIND CHILLS WILL BECOME A
MORE SIGNIFICANT CONCERN AS HIGH PRESSURE APPROACHES IOWA FROM THE
HIGH PLAINS.

IAZ004>007-015>017-023>027-033>038-044>048-057>060-070>073-
081>083-092>094-080630-
/O.EXP.KDMX.WS.W.0001.000000T0000Z-100108T0300Z/
/O.CON.KDMX.WC.W.0003.000000T0000Z-100108T1800Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-SAC-CALHOUN-WEBSTER-
HAMILTON-HARDIN-GRUNDY-CRAWFORD-CARROLL-GREENE-BOONE-STORY-
AUDUBON-GUTHRIE-DALLAS-POLK-CASS-ADAIR-MADISON-WARREN-ADAMS-UNION-
CLARKE-TAYLOR-RINGGOLD-DECATUR-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...ALLISON...SAC CITY...
ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA...
GRUNDY CENTER...DENISON...CARROLL...JEFFERSON...BOONE...AMES...
AUDUBON...GUTHRIE CENTER...ADEL...DES MOINES...ATLANTIC...
GREENFIELD...WINTERSET...INDIANOLA...CORNING...CRESTON...
OSCEOLA...BEDFORD...MOUNT AYR...LEON
921 PM CST THU JAN 7 2010

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON CST FRIDAY...
...WINTER STORM WARNING HAS EXPIRED...

THE WINTER STORM WARNING IS NO LONGER IN EFFECT. A WIND CHILL
WARNING REMAINS IN EFFECT UNTIL NOON CST FRIDAY. 

* WIND CHILLS...AS THE TEMPERATURE DROPS TONIGHT...DANGEROUS WIND
  CHILLS OF 30 TO 40 BELOW WILL BECOME COMMON THROUGH NOON FRIDAY.
  NORTHWEST WINDS OF 15 TO 25 MPH WILL COMBINE WITH TEMPERATURES
  WELL BELOW ZERO TO CREATE DANGEROUS CONDITIONS.

* IMPACTS...ALTHOUGH THE BLOWING SNOW CONDITIONS SHOULD GRADUALLY
  IMPROVE OVERNIGHT WITH DANGEROUS WIND CHILLS BECOMING THE
  PRIMARY THREAT...NUMEROUS ROADS REMAIN IMPASSIBLE. TRAVEL IS NOT
  ADVISED OVER MUCH OF CENTRAL AND WESTERN IOWA WITH PLOWS PULLED
  OFF THE ROADS FOR THE NIGHT AND DRIFTED SHUT IN SEVERAL
  LOCATIONS. IF YOU CHOOSE TO TRAVEL AND BECOME STRANDED...LIFE
  THREATENING CONDITIONS MAY RESULT DUE TO THE EXTREME COLD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
SUFFICIENT WIND WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES.
THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH
IF PRECAUTIONS ARE NOT TAKEN.

&&

$$

IAZ028-039-049-050-061-062-074-075-084>086-095>097-080630-
/O.EXP.KDMX.WS.W.0001.000000T0000Z-100108T0300Z/
/O.CON.KDMX.WC.Y.0013.000000T0000Z-100108T1800Z/
BREMER-BLACK HAWK-MARSHALL-TAMA-JASPER-POWESHIEK-MARION-MAHASKA-
LUCAS-MONROE-WAPELLO-WAYNE-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...WAVERLY...WATERLOO...MARSHALLTOWN...
TOLEDO...NEWTON...GRINNELL...KNOXVILLE...OSKALOOSA...CHARITON...
ALBIA...OTTUMWA...CORYDON...CENTERVILLE...BLOOMFIELD
921 PM CST THU JAN 7 2010

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST FRIDAY...
...WINTER STORM WARNING HAS EXPIRED...

THE WINTER STORM WARNING IS NO LONGER IN EFFECT. A WIND CHILL
ADVISORY REMAINS IN EFFECT UNTIL NOON CST FRIDAY. 

* WIND CHILLS...AS THE TEMPERATURE DROPS...DANGEROUS WIND CHILLS 
  OF 20 TO 30 BELOW WILL DEVELOP DURING THE OVERNIGHT HOURS AND 
  CONTINUE THROUGH NOON FRIDAY. 

* IMPACTS...ALTHOUGH THE BLOWING SNOW CONDITIONS SHOULD GRADUALLY
  IMPROVE OVERNIGHT WITH DANGEROUS WIND CHILLS BECOMING THE
  PRIMARY THREAT...NUMEROUS ROADS REMAIN IMPASSIBLE. TRAVEL IS NOT
  ADVISED OVER MUCH OF CENTRAL IOWA WITH PLOWS PULLED OFF THE ROADS
  FOR THE NIGHT AND DRIFTING SHUT IN A FEW LOCATIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND SUFFICIENT
WIND WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT
IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT
TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT
AND GLOVES.

&&

$$

SMALL
003 
WWUS43 KDMX 080602
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
1202 AM CST FRI JAN 8 2010

...DANGEROUS WIND CHILLS ANTICIPATED OVERNIGHT INTO FRIDAY...

.ALTHOUGH SOME BLOWING AND DRIFTING SNOW WILL CONTINUE...WINDS
SHOULD DIMINISH JUST ENOUGH THAT BITTER WIND CHILLS WILL BE THE MORE
SIGNIFICANT CONCERN AS HIGH PRESSURE APPROACHES IOWA FROM THE HIGH
PLAINS.

IAZ004>007-015>017-023>027-033>038-044>048-057>060-070>073-
081>083-092>094-081000-
/O.CON.KDMX.WC.W.0003.000000T0000Z-100108T1800Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-SAC-CALHOUN-WEBSTER-
HAMILTON-HARDIN-GRUNDY-CRAWFORD-CARROLL-GREENE-BOONE-STORY-
AUDUBON-GUTHRIE-DALLAS-POLK-CASS-ADAIR-MADISON-WARREN-ADAMS-UNION-
CLARKE-TAYLOR-RINGGOLD-DECATUR-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...ALLISON...SAC CITY...
ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA...
GRUNDY CENTER...DENISON...CARROLL...JEFFERSON...BOONE...AMES...
AUDUBON...GUTHRIE CENTER...ADEL...DES MOINES...ATLANTIC...
GREENFIELD...WINTERSET...INDIANOLA...CORNING...CRESTON...
OSCEOLA...BEDFORD...MOUNT AYR...LEON
1202 AM CST FRI JAN 8 2010

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON CST FRIDAY...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON CST FRIDAY. 

* WIND CHILLS...AS THE TEMPERATURE DROPS TONIGHT...DANGEROUS 
  WIND CHILLS OF 30 TO 40 BELOW WILL BECOME COMMON THROUGH NOON 
  FRIDAY. NORTHWEST WINDS OF 15 TO 25 MPH WILL COMBINE WITH 
  TEMPERATURES WELL BELOW ZERO TO CREATE DANGEROUS CONDITIONS. 

* IMPACTS...ALTHOUGH THE BLOWING SNOW CONDITIONS SHOULD GRADUALLY
  IMPROVE OVERNIGHT WITH DANGEROUS WIND CHILLS BECOMING THE
  PRIMARY THREAT...NUMEROUS ROADS REMAIN IMPASSIBLE. TRAVEL IS NOT
  ADVISED OVER MUCH OF CENTRAL AND WESTERN IOWA WITH PLOWS PULLED
  OFF THE ROADS FOR THE NIGHT WHICH ARE DRIFTED SHUT IN SEVERAL
  LOCATIONS. IF YOU CHOOSE TO TRAVEL AND BECOME STRANDED...LIFE
  THREATENING CONDITIONS MAY RESULT DUE TO THE EXTREME COLD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
SUFFICIENT WIND WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES.
THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH
IF PRECAUTIONS ARE NOT TAKEN.

&&

$$

IAZ028-039-049-050-061-062-074-075-084>086-095>097-081000-
/O.CON.KDMX.WC.Y.0013.000000T0000Z-100108T1800Z/
BREMER-BLACK HAWK-MARSHALL-TAMA-JASPER-POWESHIEK-MARION-MAHASKA-
LUCAS-MONROE-WAPELLO-WAYNE-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...WAVERLY...WATERLOO...MARSHALLTOWN...
TOLEDO...NEWTON...GRINNELL...KNOXVILLE...OSKALOOSA...CHARITON...
ALBIA...OTTUMWA...CORYDON...CENTERVILLE...BLOOMFIELD
1202 AM CST FRI JAN 8 2010

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST FRIDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST FRIDAY. 

* WIND CHILLS...AS THE TEMPERATURE DROPS...DANGEROUS WIND CHILLS 
  OF 20 TO 30 BELOW WILL DEVELOP DURING THE OVERNIGHT HOURS AND 
  CONTINUE THROUGH NOON FRIDAY. 

* IMPACTS...ALTHOUGH THE BLOWING SNOW CONDITIONS SHOULD GRADUALLY
  IMPROVE OVERNIGHT WITH DANGEROUS WIND CHILLS BECOMING THE
  PRIMARY THREAT...NUMEROUS ROADS REMAIN IMPASSIBLE. TRAVEL IS NOT
  ADVISED OVER MUCH OF CENTRAL IOWA WITH PLOWS PULLED OFF THE
  ROADS FOR THE NIGHT WHICH ARE DRIFTED SHUT IN A FEW LOCATIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND SUFFICIENT
WIND WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT
IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT
TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT
AND GLOVES.

&&

$$

SMALL
580 
WWUS43 KDMX 080959
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
359 AM CST FRI JAN 8 2010

...DANGEROUS WIND CHILLS FOR MUCH OF TODAY AND TONIGHT...

.ARCTIC HIGH PRESSURE WILL MOVE FROM THE NORTH CENTRAL PLAINS
TO THE MISSOURI RIVER VALLEY BY TONIGHT. WINDS WILL GRADUALLY
DIMINISH LATER TODAY AND TONIGHT...BUT COMBINED WITH TEMPERATURES
TODAY IN THE SINGLE DIGITS ABOVE AND BELOW ZERO...AND THEN WELL
BELOW ZERO TONIGHT...DANGEROUS WIND CHILL READINGS CAN BE
EXPECTED. 

IAZ027-037-038-048-059-060-072-073-082-083-093-094-081800-
/O.CAN.KDMX.WC.W.0003.000000T0000Z-100108T1800Z/
/O.EXB.KDMX.WC.Y.0013.000000T0000Z-100109T1500Z/
BUTLER-HARDIN-GRUNDY-STORY-DALLAS-POLK-MADISON-WARREN-UNION-
CLARKE-RINGGOLD-DECATUR-
INCLUDING THE CITIES OF...ALLISON...ELDORA...GRUNDY CENTER...
AMES...ADEL...DES MOINES...WINTERSET...INDIANOLA...CRESTON...
OSCEOLA...MOUNT AYR...LEON
359 AM CST FRI JAN 8 2010

...WIND CHILL ADVISORY IN EFFECT UNTIL 9 AM CST SATURDAY...
...WIND CHILL WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT UNTIL 9 AM CST SATURDAY. THE
WIND CHILL WARNING HAS BEEN CANCELLED. 

* WIND CHILLS...BITTERLY COLD WIND CHILLS OF 20 BELOW TO 30 BELOW
  ZERO WILL CONTINUE THROUGH THE MORNING HOURS. THEY ARE EXPECTED
  TO WARM INTO THE 15 BELOW TO 20 BELOW ZERO RANGE DURING THE
  AFTERNOON...THEN GO BACK TO 20 BELOW TO 30 BELOW ZERO THIS
  EVENING AND REMAIN THERE INTO SATURDAY MORNING.

* IMPACTS...ALTHOUGH THE BLOWING AND DRIFTING SNOW SHOULD
  GRADUALLY ABATE TODAY WITH DANGEROUS WIND CHILLS THE PRIMARY
  THREAT...NUMEROUS ROADS REMAIN IMPASSIBLE. TRAVEL IS NOT ADVISED
  OVER MUCH OF CENTRAL IOWA WITH PLOWS PULLED OFF THE ROADS WHICH
  ARE DRIFTED SHUT IN A FEW LOCATIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND WIND WILL
COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST
BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU
MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES.

&&

$$

IAZ004>007-015>017-023>026-033>036-044>047-057-058-070-071-081-
092-081800-
/O.EXT.KDMX.WC.W.0003.000000T0000Z-100109T0600Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-SAC-CALHOUN-WEBSTER-HAMILTON-
CRAWFORD-CARROLL-GREENE-BOONE-AUDUBON-GUTHRIE-CASS-ADAIR-ADAMS-
TAYLOR-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...SAC CITY...ROCKWELL CITY...
FORT DODGE...WEBSTER CITY...DENISON...CARROLL...JEFFERSON...
BOONE...AUDUBON...GUTHRIE CENTER...ATLANTIC...GREENFIELD...
CORNING...BEDFORD
359 AM CST FRI JAN 8 2010

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

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

* WIND CHILLS...DANGEROUS WIND CHILLS OF 25 BELOW TO 35 BELOW ZERO
  WILL BE COMMON THROUGH NOON TODAY...WITH SOME RELATIVE IMPROVEMENT
  DURING THE AFTERNOON HOURS. HOWEVER...WIND CHILL READINGS ARE
  EXPECTED TO DROP BELOW 30 BELOW ZERO AGAIN EARLY TONIGHT BEFORE
  WINDS BECOME LIGHT ENOUGH TO NO LONGER CREATE A WIND CHILL.

* IMPACTS...ALTHOUGH THE BLOWING AND DRIFTING SNOW CONDITIONS
  SHOULD ABATE TODAY WITH DANGEROUS WIND CHILLS BECOMING THE
  PRIMARY THREAT...NUMEROUS ROADS REMAIN IMPASSIBLE. TRAVEL IS NOT
  ADVISED OVER MUCH OF CENTRAL AND WESTERN IOWA WITH PLOWS PULLED
  OFF THE ROADS WHICH ARE DRIFTED SHUT IN SEVERAL LOCATIONS. IF
  YOU CHOOSE TO TRAVEL AND BECOME STRANDED...LIFE THREATENING
  CONDITIONS MAY RESULT DUE TO THE EXTREME COLD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
SUFFICIENT WIND WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES.
THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH
IF PRECAUTIONS ARE NOT TAKEN.

&&

$$

IAZ028-039-049-050-061-062-074-075-084>086-095>097-081800-
/O.EXT.KDMX.WC.Y.0013.000000T0000Z-100109T1500Z/
BREMER-BLACK HAWK-MARSHALL-TAMA-JASPER-POWESHIEK-MARION-MAHASKA-
LUCAS-MONROE-WAPELLO-WAYNE-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...WAVERLY...WATERLOO...MARSHALLTOWN...
TOLEDO...NEWTON...GRINNELL...KNOXVILLE...OSKALOOSA...CHARITON...
ALBIA...OTTUMWA...CORYDON...CENTERVILLE...BLOOMFIELD
359 AM CST FRI JAN 8 2010

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 9 AM CST SATURDAY...

THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL 9 AM CST SATURDAY.

* WIND CHILLS...BITTERLY COLD WIND CHILLS OF 20 BELOW TO 30 BELOW
  ZERO WILL CONTINUE THROUGH THE MORNING HOURS. THEY ARE EXPECTED
  TO WARM INTO THE 15 BELOW TO 20 BELOW ZERO RANGE DURING THE
  AFTERNOON...THEN GO BACK TO 20 BELOW TO 30 BELOW ZERO THIS
  EVENING AND REMAIN THERE INTO SATURDAY MORNING.

* IMPACTS...ALTHOUGH THE BLOWING SNOW CONDITIONS SHOULD GRADUALLY
  ABATE TODAY WITH DANGEROUS WIND CHILLS BECOMING THE PRIMARY
  THREAT...NUMEROUS ROADS REMAIN IMPASSIBLE. TRAVEL IS NOT ADVISED
  OVER MUCH OF CENTRAL IOWA WITH PLOWS PULLED OFF THE ROADS WHICH
  ARE DRIFTED SHUT IN A FEW LOCATIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND SUFFICIENT
WIND WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT
IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT
TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT
AND GLOVES.

&&

$$

MOYER
041 
WWUS43 KDMX 081303
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
703 AM CST FRI JAN 8 2010

...DANGEROUS WIND CHILLS FOR MUCH OF TODAY AND TONIGHT...

.ARCTIC HIGH PRESSURE WILL MOVE FROM THE NORTH CENTRAL PLAINS TO
THE MISSOURI RIVER VALLEY BY TONIGHT. WINDS WILL GRADUALLY
DIMINISH LATER TODAY AND TONIGHT...BUT COMBINED WITH TEMPERATURES
TODAY IN THE SINGLE DIGITS ABOVE AND BELOW ZERO...AND THEN WELL
BELOW ZERO TONIGHT...DANGEROUS WIND CHILL READINGS CAN BE
EXPECTED.

IAZ004>007-015>017-023>026-033>036-044>047-057-058-070-071-081-
092-082115-
/O.CON.KDMX.WC.W.0003.000000T0000Z-100109T0600Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-SAC-CALHOUN-WEBSTER-HAMILTON-
CRAWFORD-CARROLL-GREENE-BOONE-AUDUBON-GUTHRIE-CASS-ADAIR-ADAMS-
TAYLOR-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...SAC CITY...ROCKWELL CITY...
FORT DODGE...WEBSTER CITY...DENISON...CARROLL...JEFFERSON...
BOONE...AUDUBON...GUTHRIE CENTER...ATLANTIC...GREENFIELD...
CORNING...BEDFORD
703 AM CST FRI JAN 8 2010

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

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

* WIND CHILLS...BITTERLY COLD WIND CHILLS OF 20 BELOW TO 30 BELOW
  ZERO WILL BE COMMON TODAY...WITH A FEW LOCATIONS DIPPING TO NEAR
  35 BELOW ZERO THIS MORNING. WIND CHILL READINGS ARE EXPECTED TO
  DROP BELOW 30 BELOW ZERO EARLY TONIGHT BEFORE WINDS BECOME
  LIGHT ENOUGH TO NO LONGER CREATE A WIND CHILL.

* IMPACTS...ALTHOUGH THE BLOWING AND DRIFTING SNOW CONDITIONS 
  SHOULD ABATE TODAY WITH DANGEROUS WIND CHILLS BECOMING THE 
  PRIMARY THREAT...NUMEROUS ROADS REMAIN IMPASSIBLE. TRAVEL IS 
  NOT ADVISED OVER MUCH OF CENTRAL AND WESTERN IOWA WITH PLOWS 
  PULLED OFF THE ROADS WHICH ARE DRIFTED SHUT IN SEVERAL 
  LOCATIONS. IF YOU CHOOSE TO TRAVEL AND BECOME STRANDED...LIFE 
  THREATENING CONDITIONS MAY RESULT DUE TO THE EXTREME COLD. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
SUFFICIENT WIND WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES.
THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH
IF PRECAUTIONS ARE NOT TAKEN.

&&

$$

IAZ027-028-037>039-048>050-059>062-072>075-082>086-093>097-082115-
/O.CON.KDMX.WC.Y.0013.000000T0000Z-100109T1500Z/
BUTLER-BREMER-HARDIN-GRUNDY-BLACK HAWK-STORY-MARSHALL-TAMA-DALLAS-
POLK-JASPER-POWESHIEK-MADISON-WARREN-MARION-MAHASKA-UNION-CLARKE-
LUCAS-MONROE-WAPELLO-RINGGOLD-DECATUR-WAYNE-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...ALLISON...WAVERLY...ELDORA...
GRUNDY CENTER...WATERLOO...AMES...MARSHALLTOWN...TOLEDO...ADEL...
DES MOINES...NEWTON...GRINNELL...WINTERSET...INDIANOLA...
KNOXVILLE...OSKALOOSA...CRESTON...OSCEOLA...CHARITON...ALBIA...
OTTUMWA...MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD
703 AM CST FRI JAN 8 2010

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST
SATURDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST SATURDAY. 

* WIND CHILLS...BITTERLY COLD WIND CHILLS OF 15 BELOW TO 25 BELOW
  ZERO WILL CONTINUE TODAY. THEY ARE EXPECTED TO WARM INTO THE 10
  BELOW TO 20 BELOW ZERO RANGE DURING THE AFTERNOON...THEN FALL
  TO 20 BELOW TO 30 BELOW ZERO THIS EVENING AND REMAIN THERE INTO
  SATURDAY MORNING.

* IMPACTS...ALTHOUGH THE BLOWING SNOW CONDITIONS SHOULD 
  GRADUALLY ABATE TODAY WITH DANGEROUS WIND CHILLS BECOMING THE 
  PRIMARY THREAT...NUMEROUS ROADS REMAIN IMPASSIBLE. TRAVEL IS 
  NOT ADVISED OVER MUCH OF CENTRAL IOWA WITH PLOWS PULLED OFF 
  THE ROADS WHICH ARE DRIFTED SHUT IN A FEW LOCATIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND SUFFICIENT
WIND WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT
IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT
TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT
AND GLOVES.

&&

$$

MOYER
312 
WWUS43 KDMX 081604
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
1004 AM CST FRI JAN 8 2010

...DANGEROUS WIND CHILLS FOR TODAY AND TONIGHT...

.ARCTIC HIGH PRESSURE WILL MOVE FROM THE NORTH CENTRAL PLAINS TO
THE MISSOURI RIVER VALLEY BY TONIGHT. WINDS WILL GRADUALLY
DIMINISH LATE TODAY AND TONIGHT...BUT COMBINED WITH TEMPERATURES
TODAY IN THE SINGLE DIGITS ABOVE AND BELOW ZERO...AND THEN WELL
BELOW ZERO TONIGHT...DANGEROUS WIND CHILL READINGS CAN BE
EXPECTED.

IAZ004>007-015>017-023>026-033>036-044>047-057-058-070-071-081-
092-090015-
/O.CON.KDMX.WC.W.0003.000000T0000Z-100109T0600Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-SAC-CALHOUN-WEBSTER-HAMILTON-
CRAWFORD-CARROLL-GREENE-BOONE-AUDUBON-GUTHRIE-CASS-ADAIR-ADAMS-
TAYLOR-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...SAC CITY...ROCKWELL CITY...
FORT DODGE...WEBSTER CITY...DENISON...CARROLL...JEFFERSON...
BOONE...AUDUBON...GUTHRIE CENTER...ATLANTIC...GREENFIELD...
CORNING...BEDFORD
1004 AM CST FRI JAN 8 2010

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

* WIND CHILLS...BITTERLY COLD WIND CHILLS OF 20 BELOW TO 30 BELOW
  ZERO WILL BE COMMON TODAY. WIND CHILL READINGS ARE EXPECTED TO
  DROP BELOW 30 BELOW ZERO EARLY TONIGHT BEFORE WINDS BECOME LIGHT
  ENOUGH TO NO LONGER CREATE A SIGNIFICANTLY DANGEROUS WIND CHILL
  AFTER MIDNIGHT.

* IMPACTS...ALTHOUGH THE BLOWING AND DRIFTING SNOW CONDITIONS 
  SHOULD ABATE TODAY WITH DANGEROUS WIND CHILLS BECOMING THE 
  PRIMARY THREAT...NUMEROUS ROADS REMAIN IMPASSIBLE. TRAVEL IS 
  NOT ADVISED OVER MUCH OF CENTRAL AND WESTERN IOWA WITH PLOWS 
  PULLED OFF THE ROADS WHICH ARE DRIFTED SHUT IN SEVERAL 
  LOCATIONS. IF YOU CHOOSE TO TRAVEL AND BECOME STRANDED...LIFE 
  THREATENING CONDITIONS MAY RESULT DUE TO THE EXTREME COLD. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
SUFFICIENT WIND WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES.
THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH
IF PRECAUTIONS ARE NOT TAKEN.

&&

$$

IAZ027-028-037>039-048>050-059>062-072>075-082>086-093>097-090015-
/O.CON.KDMX.WC.Y.0013.000000T0000Z-100109T1500Z/
BUTLER-BREMER-HARDIN-GRUNDY-BLACK HAWK-STORY-MARSHALL-TAMA-DALLAS-
POLK-JASPER-POWESHIEK-MADISON-WARREN-MARION-MAHASKA-UNION-CLARKE-
LUCAS-MONROE-WAPELLO-RINGGOLD-DECATUR-WAYNE-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...ALLISON...WAVERLY...ELDORA...
GRUNDY CENTER...WATERLOO...AMES...MARSHALLTOWN...TOLEDO...ADEL...
DES MOINES...NEWTON...GRINNELL...WINTERSET...INDIANOLA...
KNOXVILLE...OSKALOOSA...CRESTON...OSCEOLA...CHARITON...ALBIA...
OTTUMWA...MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD
1004 AM CST FRI JAN 8 2010

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST
SATURDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST SATURDAY. 

* WIND CHILLS...BITTERLY COLD WIND CHILLS OF 15 BELOW TO 25 
  BELOW ZERO WILL CONTINUE TODAY. THEY ARE EXPECTED TO WARM INTO 
  THE 10 BELOW TO 20 BELOW ZERO RANGE DURING THE AFTERNOON...
  THEN FALL TO 20 BELOW TO 30 BELOW ZERO THIS EVENING AND REMAIN 
  THERE INTO SATURDAY MORNING. 

* IMPACTS...ALTHOUGH THE BLOWING SNOW CONDITIONS SHOULD 
  GRADUALLY ABATE TODAY WITH DANGEROUS WIND CHILLS BECOMING THE 
  PRIMARY THREAT...NUMEROUS ROADS REMAIN IMPASSIBLE. TRAVEL IS 
  NOT ADVISED OVER MUCH OF CENTRAL IOWA WITH PLOWS PULLED OFF 
  THE ROADS WHICH ARE DRIFTED SHUT IN A FEW LOCATIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND SUFFICIENT
WIND WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT
IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT
TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT
AND GLOVES.

&&

$$

REV
285 
WWUS43 KDMX 081758
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
1158 AM CST FRI JAN 8 2010

...VERY COLD WIND CHILLS FOR TODAY AND TONIGHT...

.ARCTIC HIGH PRESSURE WILL MOVE FROM THE NORTH CENTRAL PLAINS TO
THE MISSOURI RIVER VALLEY BY TONIGHT. WINDS WILL GRADUALLY
DIMINISH LATE TODAY AND TONIGHT...BUT COMBINED WITH TEMPERATURES
TODAY IN THE SINGLE DIGITS ABOVE AND BELOW ZERO...AND THEN WELL
BELOW ZERO TONIGHT...DANGEROUS WIND CHILL READINGS CAN BE
EXPECTED.

IAZ004>007-015>017-023>026-033>036-044>047-057-058-070-071-081-
092-090200-
/O.EXB.KDMX.WC.Y.0013.100108T1800Z-100109T0600Z/
/O.EXT.KDMX.WC.W.0003.000000T0000Z-100108T1800Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-SAC-CALHOUN-WEBSTER-HAMILTON-
CRAWFORD-CARROLL-GREENE-BOONE-AUDUBON-GUTHRIE-CASS-ADAIR-ADAMS-
TAYLOR-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...SAC CITY...ROCKWELL CITY...
FORT DODGE...WEBSTER CITY...DENISON...CARROLL...JEFFERSON...
BOONE...AUDUBON...GUTHRIE CENTER...ATLANTIC...GREENFIELD...
CORNING...BEDFORD
1158 AM CST FRI JAN 8 2010

...WIND CHILL WARNING NOW IN EFFECT UNTIL NOON CST TODAY...
...WIND CHILL ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT FROM NOON TODAY UNTIL MIDNIGHT
CST TONIGHT. THE WIND CHILL WARNING IS CANCELED AS OF NOON TODAY.

* WIND CHILLS...BITTERLY COLD WIND CHILLS OF 15 BELOW TO 25 
  BELOW ZERO WILL CONTINUE TODAY. THEY ARE EXPECTED TO WARM INTO 
  THE 10 BELOW TO 20 BELOW ZERO RANGE DURING THE AFTERNOON... 
  THEN FALL TO 20 BELOW TO 30 BELOW ZERO THIS EVENING AND REMAIN 
  THERE INTO SATURDAY MORNING. 

* IMPACTS...COLD TEMPERATURES AND WINDS OF 10 TO 15 MPH WILL
  COMBINE TO CREATE WIND CHILL READINGS WELL BELOW ZERO. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND SUFFICIENT
WIND WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT
IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT
TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT
AND GLOVES.

&&

$$

IAZ027-028-037>039-048>050-059>062-072>075-082>086-093>097-090200-
/O.CON.KDMX.WC.Y.0013.000000T0000Z-100109T1500Z/
BUTLER-BREMER-HARDIN-GRUNDY-BLACK HAWK-STORY-MARSHALL-TAMA-DALLAS-
POLK-JASPER-POWESHIEK-MADISON-WARREN-MARION-MAHASKA-UNION-CLARKE-
LUCAS-MONROE-WAPELLO-RINGGOLD-DECATUR-WAYNE-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...ALLISON...WAVERLY...ELDORA...
GRUNDY CENTER...WATERLOO...AMES...MARSHALLTOWN...TOLEDO...ADEL...
DES MOINES...NEWTON...GRINNELL...WINTERSET...INDIANOLA...
KNOXVILLE...OSKALOOSA...CRESTON...OSCEOLA...CHARITON...ALBIA...
OTTUMWA...MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD
1158 AM CST FRI JAN 8 2010

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST
SATURDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST SATURDAY. 

* WIND CHILLS...BITTERLY COLD WIND CHILLS OF 15 BELOW TO 25 
  BELOW ZERO WILL CONTINUE TODAY. THEY ARE EXPECTED TO WARM INTO 
  THE 10 BELOW TO 20 BELOW ZERO RANGE DURING THE AFTERNOON... 
  THEN FALL TO 20 BELOW TO 30 BELOW ZERO THIS EVENING AND REMAIN 
  THERE INTO SATURDAY MORNING. 

* IMPACTS...COLD TEMPERATURES AND WINDS OF 10 TO 15 MPH WILL
  COMBINE TO CREATE WIND CHILL READINGS WELL BELOW ZERO. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND SUFFICIENT
WIND WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT
IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT
TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT
AND GLOVES.

&&

$$

REV
394 
WWUS43 KDMX 082115
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
315 PM CST FRI JAN 8 2010

...VERY COLD WIND CHILLS CONTINUE TONIGHT...

.ARCTIC HIGH PRESSURE WILL REMAIN FROM THE NORTH CENTRAL PLAINS
TO THE MISSOURI RIVER VALLEY TONIGHT. WINDS WILL GRADUALLY
DIMINISH OVERNIGHT...BUT COMBINED WITH TEMPERATURES WELL BELOW
ZERO TONIGHT...VERY COLD WIND CHILL READINGS CAN BE EXPECTED.

IAZ027-028-037>039-048>050-059>062-072>075-082>086-093>097-090515-
/O.CON.KDMX.WC.Y.0013.000000T0000Z-100109T1500Z/
BUTLER-BREMER-HARDIN-GRUNDY-BLACK HAWK-STORY-MARSHALL-TAMA-DALLAS-
POLK-JASPER-POWESHIEK-MADISON-WARREN-MARION-MAHASKA-UNION-CLARKE-
LUCAS-MONROE-WAPELLO-RINGGOLD-DECATUR-WAYNE-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...ALLISON...WAVERLY...ELDORA...
GRUNDY CENTER...WATERLOO...AMES...MARSHALLTOWN...TOLEDO...ADEL...
DES MOINES...NEWTON...GRINNELL...WINTERSET...INDIANOLA...
KNOXVILLE...OSKALOOSA...CRESTON...OSCEOLA...CHARITON...ALBIA...
OTTUMWA...MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD
315 PM CST FRI JAN 8 2010

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST
SATURDAY... 

* WIND CHILLS...BITTERLY COLD WIND CHILLS OF 15 BELOW TO 25 BELOW
  ZERO WILL RETURN TONIGHT AND CONTINUE INTO SATURDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND SUFFICIENT
WIND WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT
IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT
TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT
AND GLOVES.

&&

$$

IAZ004>007-015>017-023>026-033>036-044>047-057-058-070-071-081-
092-090515-
/O.CON.KDMX.WC.Y.0013.000000T0000Z-100109T0600Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-SAC-CALHOUN-WEBSTER-HAMILTON-
CRAWFORD-CARROLL-GREENE-BOONE-AUDUBON-GUTHRIE-CASS-ADAIR-ADAMS-
TAYLOR-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...SAC CITY...ROCKWELL CITY...
FORT DODGE...WEBSTER CITY...DENISON...CARROLL...JEFFERSON...
BOONE...AUDUBON...GUTHRIE CENTER...ATLANTIC...GREENFIELD...
CORNING...BEDFORD
315 PM CST FRI JAN 8 2010

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

* WIND CHILLS...BITTERLY COLD WIND CHILLS OF 15 BELOW TO 25 BELOW
  ZERO WILL RETURN THIS EVENING BEFORE WINDS BECOME TOO LIGHT
  AFTER MIDNIGHT TO CAUSE ADDITIONAL WIND CHILL CONCERNS.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND SUFFICIENT
WIND WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT
IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT
TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT
AND GLOVES.

&&

$$
320 
WWUS43 KDMX 090110
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
710 PM CST FRI JAN 8 2010

...VERY COLD WIND CHILLS CONTINUE TONIGHT...

.ARCTIC HIGH PRESSURE WILL REMAIN FROM THE NORTH CENTRAL PLAINS
TO THE MISSOURI RIVER VALLEY TONIGHT. WINDS WILL GRADUALLY
DIMINISH OVERNIGHT...BUT COMBINED WITH TEMPERATURES WELL BELOW
ZERO TONIGHT...VERY COLD WIND CHILL READINGS CAN BE EXPECTED.

IAZ027-028-037>039-048>050-059>062-072>075-082>086-093>097-090600-
/O.CON.KDMX.WC.Y.0013.000000T0000Z-100109T1500Z/
BUTLER-BREMER-HARDIN-GRUNDY-BLACK HAWK-STORY-MARSHALL-TAMA-DALLAS-
POLK-JASPER-POWESHIEK-MADISON-WARREN-MARION-MAHASKA-UNION-CLARKE-
LUCAS-MONROE-WAPELLO-RINGGOLD-DECATUR-WAYNE-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...ALLISON...WAVERLY...ELDORA...
GRUNDY CENTER...WATERLOO...AMES...MARSHALLTOWN...TOLEDO...ADEL...
DES MOINES...NEWTON...GRINNELL...WINTERSET...INDIANOLA...
KNOXVILLE...OSKALOOSA...CRESTON...OSCEOLA...CHARITON...ALBIA...
OTTUMWA...MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD
710 PM CST FRI JAN 8 2010

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST
SATURDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST SATURDAY. 

* WIND CHILLS...BITTERLY COLD WIND CHILLS OF 15 BELOW TO 25 BELOW
  ZERO ARE EXPECTED TONIGHT AND INTO SATURDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND SUFFICIENT
WIND WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT
IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT
TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT
AND GLOVES.

&&

$$

IAZ004>007-015>017-023>026-033>036-044>047-057-058-070-071-081-
092-090600-
/O.CON.KDMX.WC.Y.0013.000000T0000Z-100109T0600Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-SAC-CALHOUN-WEBSTER-HAMILTON-
CRAWFORD-CARROLL-GREENE-BOONE-AUDUBON-GUTHRIE-CASS-ADAIR-ADAMS-
TAYLOR-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...SAC CITY...ROCKWELL CITY...
FORT DODGE...WEBSTER CITY...DENISON...CARROLL...JEFFERSON...
BOONE...AUDUBON...GUTHRIE CENTER...ATLANTIC...GREENFIELD...
CORNING...BEDFORD
710 PM CST FRI JAN 8 2010

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

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

* WIND CHILLS...BITTERLY COLD WIND CHILLS OF 20 BELOW TO 30 BELOW
  ZERO ARE EXPECTED THIS EVENING BEFORE WINDS BECOME TOO LIGHT AFTER
  MIDNIGHT TO CAUSE ADDITIONAL WIND CHILL CONCERNS.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND SUFFICIENT
WIND WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT
IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT
TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT
AND GLOVES.

&&

$$

COGIL
029 
WWUS43 KDMX 090553
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
1153 PM CST FRI JAN 8 2010

...BITTER COLD WIND CHILLS CONTINUE OVERNIGHT...

.ARCTIC HIGH PRESSURE WILL REMAIN FROM THE NORTH CENTRAL PLAINS
TO THE MISSOURI RIVER VALLEY TONIGHT. WINDS WILL GRADUALLY
DIMINISH OVERNIGHT...BUT COMBINED WITH TEMPERATURES WELL BELOW
ZERO TONIGHT...VERY COLD WIND CHILL READINGS CAN BE EXPECTED.

IAZ004>007-015>017-023>026-033>036-044>047-057-058-070-071-081-
092-090700-
/O.EXP.KDMX.WC.Y.0013.000000T0000Z-100109T0600Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-SAC-CALHOUN-WEBSTER-HAMILTON-
CRAWFORD-CARROLL-GREENE-BOONE-AUDUBON-GUTHRIE-CASS-ADAIR-ADAMS-
TAYLOR-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...SAC CITY...ROCKWELL CITY...
FORT DODGE...WEBSTER CITY...DENISON...CARROLL...JEFFERSON...
BOONE...AUDUBON...GUTHRIE CENTER...ATLANTIC...GREENFIELD...
CORNING...BEDFORD
1153 PM CST FRI JAN 8 2010

...WIND CHILL ADVISORY WILL EXPIRE AT MIDNIGHT CST TONIGHT...

THE WIND CHILL ADVISORY WILL EXPIRE AT MIDNIGHT CST TONIGHT. 


* WIND CHILL...THE WIND WILL CONTINUE TO DIMINISH TO 5 MPH OR
  BELOW WITH WIND CHILL CONCERNS LESSENING. HOWEVER...AIR
  TEMPERATURES WILL REMAIN BITTERLY COLD FROM 10 TO 20 BELOW ZERO
  IN MOST LOCATIONS.

$$

IAZ027-028-037>039-048>050-059>062-072>075-082>086-093>097-091200-
/O.CON.KDMX.WC.Y.0013.000000T0000Z-100109T1500Z/
BUTLER-BREMER-HARDIN-GRUNDY-BLACK HAWK-STORY-MARSHALL-TAMA-DALLAS-
POLK-JASPER-POWESHIEK-MADISON-WARREN-MARION-MAHASKA-UNION-CLARKE-
LUCAS-MONROE-WAPELLO-RINGGOLD-DECATUR-WAYNE-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...ALLISON...WAVERLY...ELDORA...
GRUNDY CENTER...WATERLOO...AMES...MARSHALLTOWN...TOLEDO...ADEL...
DES MOINES...NEWTON...GRINNELL...WINTERSET...INDIANOLA...
KNOXVILLE...OSKALOOSA...CRESTON...OSCEOLA...CHARITON...ALBIA...
OTTUMWA...MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD
1153 PM CST FRI JAN 8 2010

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST
SATURDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST SATURDAY. 

* WIND CHILLS...BITTERLY COLD WIND CHILLS OF 15 BELOW TO 25 BELOW
  ZERO ARE EXPECTED INTO SATURDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND SUFFICIENT
WIND WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT
IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT
TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT
AND GLOVES.

&&

$$
253 
WWUS43 KDMX 090814
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
214 AM CST SAT JAN 9 2010

...BITTER COLD WIND CHILLS CONTINUE EARLY THIS MORNING...

.ARCTIC HIGH PRESSURE WILL REMAIN CENTERED OVER THE MISSOURI
RIVER VALLEY EARLY THIS MORNING. WINDS ARE GENERALLY LESS THAN 12
MPH...BUT COMBINED WITH TEMPERATURES WELL BELOW ZERO THIS
MORNING...VERY COLD WIND CHILL READINGS CAN BE EXPECTED.

IAZ006-007-016-017-025-026-036-047-091500-
/O.EXA.KDMX.WC.Y.0013.000000T0000Z-100109T1500Z/
WINNEBAGO-WORTH-HANCOCK-CERRO GORDO-WRIGHT-FRANKLIN-HAMILTON-
BOONE-
INCLUDING THE CITIES OF...FOREST CITY...NORTHWOOD...GARNER...
MASON CITY...CLARION...HAMPTON...WEBSTER CITY...BOONE
214 AM CST SAT JAN 9 2010

...WIND CHILL ADVISORY IN EFFECT UNTIL 9 AM CST THIS MORNING...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT UNTIL 9 AM CST THIS MORNING. 

* WIND CHILLS...BITTERLY COLD WIND CHILLS OF 20 BELOW TO 30 BELOW
  ZERO...AND LOCALLY AS COLD AS 35 BELOW ZERO...CAN BE EXPECTED
  THROUGH 9 AM TODAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND SUFFICIENT
WIND WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT
IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT
TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT
AND GLOVES.

&&

$$

IAZ027-028-037>039-048>050-059>062-072>075-082>086-093>097-091500-
/O.CON.KDMX.WC.Y.0013.000000T0000Z-100109T1500Z/
BUTLER-BREMER-HARDIN-GRUNDY-BLACK HAWK-STORY-MARSHALL-TAMA-DALLAS-
POLK-JASPER-POWESHIEK-MADISON-WARREN-MARION-MAHASKA-UNION-CLARKE-
LUCAS-MONROE-WAPELLO-RINGGOLD-DECATUR-WAYNE-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...ALLISON...WAVERLY...ELDORA...
GRUNDY CENTER...WATERLOO...AMES...MARSHALLTOWN...TOLEDO...ADEL...
DES MOINES...NEWTON...GRINNELL...WINTERSET...INDIANOLA...
KNOXVILLE...OSKALOOSA...CRESTON...OSCEOLA...CHARITON...ALBIA...
OTTUMWA...MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD
214 AM CST SAT JAN 9 2010

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS
MORNING...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS
MORNING. 

* WIND CHILLS...BITTERLY COLD WIND CHILLS OF 15 BELOW TO 30 BELOW
  ZERO CAN BE EXPECTED THROUGH 9 AM THIS MORNING. LOCAL WIND CHILL
  READINGS AS COLD AS 35 BELOW ZERO WILL OCCUR NORTH OF HIGHWAY 30.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND SUFFICIENT
WIND WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT
IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT
TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT
AND GLOVES.

&&

$$

MOYER
670 
WWUS43 KDMX 090955
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
355 AM CST SAT JAN 9 2010

...BITTER COLD WIND CHILLS CONTINUE EARLY THIS MORNING...

.ARCTIC HIGH PRESSURE WILL REMAIN CENTERED OVER THE MISSOURI
RIVER VALLEY EARLY THIS MORNING. WINDS ARE GENERALLY LESS THAN
12 MPH...BUT COMBINED WITH TEMPERATURES WELL BELOW ZERO THIS
MORNING...VERY COLD WIND CHILL READINGS CAN BE EXPECTED.

IAZ082-093-091100-
/O.CAN.KDMX.WC.Y.0013.000000T0000Z-100109T1500Z/
UNION-RINGGOLD-
INCLUDING THE CITIES OF...CRESTON...MOUNT AYR
355 AM CST SAT JAN 9 2010

...WIND CHILL ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS CANCELLED THE WIND
CHILL ADVISORY. 

IT WILL STILL BE VERY COLD WITH TEMPERATURES THIS MORNING WITHIN A
FEW DEGREES OF ZERO AND WIND CHILL READINGS 5 BELOW TO 15 BELOW
ZERO.

$$

IAZ006-007-016-017-025>028-036>039-047>050-059>062-072>075-
083>086-094>097-091500-
/O.CON.KDMX.WC.Y.0013.000000T0000Z-100109T1500Z/
WINNEBAGO-WORTH-HANCOCK-CERRO GORDO-WRIGHT-FRANKLIN-BUTLER-BREMER-
HAMILTON-HARDIN-GRUNDY-BLACK HAWK-BOONE-STORY-MARSHALL-TAMA-
DALLAS-POLK-JASPER-POWESHIEK-MADISON-WARREN-MARION-MAHASKA-CLARKE-
LUCAS-MONROE-WAPELLO-DECATUR-WAYNE-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...FOREST CITY...NORTHWOOD...GARNER...
MASON CITY...CLARION...HAMPTON...ALLISON...WAVERLY...
WEBSTER CITY...ELDORA...GRUNDY CENTER...WATERLOO...BOONE...AMES...
MARSHALLTOWN...TOLEDO...ADEL...DES MOINES...NEWTON...GRINNELL...
WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...OSCEOLA...
CHARITON...ALBIA...OTTUMWA...LEON...CORYDON...CENTERVILLE...
BLOOMFIELD
355 AM CST SAT JAN 9 2010

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS
MORNING...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS
MORNING. 

* WIND CHILLS...BITTERLY COLD WIND CHILLS OF 15 BELOW TO 30 
  BELOW ZERO CAN BE EXPECTED THROUGH 9 AM THIS MORNING. LOCAL 
  WIND CHILL READINGS AS COLD AS 35 BELOW ZERO WILL OCCUR NORTH 
  OF HIGHWAY 30. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND SUFFICIENT
WIND WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT
IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT
TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT
AND GLOVES.

&&

$$

MOYER
371 
WWUS43 KDMX 091248
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
648 AM CST SAT JAN 9 2010

...BITTER COLD WIND CHILLS CONTINUE EARLY THIS MORNING...

.ARCTIC HIGH PRESSURE WILL REMAIN CENTERED OVER THE MISSOURI
RIVER VALLEY EARLY THIS MORNING. WINDS ARE GENERALLY LESS THAN
12 MPH...BUT COMBINED WITH TEMPERATURES WELL BELOW ZERO THIS
MORNING...VERY COLD WIND CHILL READINGS CAN BE EXPECTED.

IAZ006-007-016-017-025>028-036>039-047>050-059>062-072>075-
083>086-094>097-091500-
/O.CON.KDMX.WC.Y.0013.000000T0000Z-100109T1500Z/
WINNEBAGO-WORTH-HANCOCK-CERRO GORDO-WRIGHT-FRANKLIN-BUTLER-BREMER-
HAMILTON-HARDIN-GRUNDY-BLACK HAWK-BOONE-STORY-MARSHALL-TAMA-
DALLAS-POLK-JASPER-POWESHIEK-MADISON-WARREN-MARION-MAHASKA-CLARKE-
LUCAS-MONROE-WAPELLO-DECATUR-WAYNE-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...FOREST CITY...NORTHWOOD...GARNER...
MASON CITY...CLARION...HAMPTON...ALLISON...WAVERLY...
WEBSTER CITY...ELDORA...GRUNDY CENTER...WATERLOO...BOONE...AMES...
MARSHALLTOWN...TOLEDO...ADEL...DES MOINES...NEWTON...GRINNELL...
WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...OSCEOLA...
CHARITON...ALBIA...OTTUMWA...LEON...CORYDON...CENTERVILLE...
BLOOMFIELD
648 AM CST SAT JAN 9 2010

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS
MORNING...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS
MORNING. 

* WIND CHILLS...BITTERLY COLD WIND CHILLS OF 15 BELOW TO 30 
  BELOW ZERO CAN BE EXPECTED THROUGH 9 AM THIS MORNING. LOCAL 
  WIND CHILL READINGS AS COLD AS 35 BELOW ZERO WILL OCCUR NORTH 
  OF HIGHWAY 30. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND SUFFICIENT
WIND WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT
IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT
TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT
AND GLOVES.

&&

$$

MOYER
050 
WWUS43 KDMX 091520
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
920 AM CST SAT JAN 9 2010

.LIGHT WINDS HAVE ALLOWED WIND CHILL INDICES TO RISE SOMEWHAT OVER
THE AREA THIS MORNING. HIGH PRESSURE OVER THE STATE WILL CONTINUE
TO KEEP WINDS LIGHT THROUGH THE DAY.

IAZ006-007-016-017-025>028-036>039-047>050-059>062-072>075-
083>086-094>097-091630-
/O.EXP.KDMX.WC.Y.0013.000000T0000Z-100109T1500Z/
WINNEBAGO-WORTH-HANCOCK-CERRO GORDO-WRIGHT-FRANKLIN-BUTLER-BREMER-
HAMILTON-HARDIN-GRUNDY-BLACK HAWK-BOONE-STORY-MARSHALL-TAMA-
DALLAS-POLK-JASPER-POWESHIEK-MADISON-WARREN-MARION-MAHASKA-CLARKE-
LUCAS-MONROE-WAPELLO-DECATUR-WAYNE-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...FOREST CITY...NORTHWOOD...GARNER...
MASON CITY...CLARION...HAMPTON...ALLISON...WAVERLY...
WEBSTER CITY...ELDORA...GRUNDY CENTER...WATERLOO...BOONE...AMES...
MARSHALLTOWN...TOLEDO...ADEL...DES MOINES...NEWTON...GRINNELL...
WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...OSCEOLA...
CHARITON...ALBIA...OTTUMWA...LEON...CORYDON...CENTERVILLE...
BLOOMFIELD
920 AM CST SAT JAN 9 2010

...WIND CHILL ADVISORY HAS EXPIRED...

THE WIND CHILL ADVISORY IS NO LONGER IN EFFECT. 

* WINDS HAVE DIMINISHED ACROSS THE STATE THIS MORNING. SPEEDS WERE
  GENERALLY UNDER 5 MPH...WITH A FEW REPORTS OF 8 TO 10 MPH WIND
  SPEEDS AT TIMES.

* WIND CHILL VALUES...WIND CHILL VALUES HAVE RISEN TO 20 BELOW OR
  WARMER IN MOST AREAS. BRIEF PERIODS OF 5 TO 10 MPH WINDS WILL
  PRODUCE WIND CHILL INDICES OF 20 TO 30 BELOW THROUGH NOON TODAY.

$$

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 Des Moines, IA wrote its last area forecast discussion before this wind chill advisory went out at Jan 7, 11:50 AM CST, 3 hours 34 minutes earlier.

Area forecast discussion, Jan 7, 11:50 AM CST, 3 hours 34 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE DES MOINES IA
1150 AM CST THU JAN 7 2010

...UPDATED AVIATION DISCUSSION 18Z...

.SHORT TERM /TODAY/...
MINOR MODIFICATIONS FOR HIGH TEMPS THIS MORNING AS TEMPS HAVE WARMED
A FEW DEGREES HIGHER CENTRAL AND EAST THUS FAR...TRENDS REMAIN THE
SAME WITH COLDER TEMPS FOR THE AFTERNOON AND WINDS GUSTING TO OVER
35 TO 40 MPH AT TIMES. EARLY MORNING SOUNDINGS SUGGEST A SMALL
INVERSION WHICH SHOULD BE OVERCOME BY MIXING. CONDITIONS TO REMAIN
WORSE IN RURAL AREAS TODAY...THOUGH STILL VERY POOR THROUGHOUT THE
REGION. WILL CONTINUE WARNING. /REV

.PREVIOUS SHORT TERM /TODAY/...
UPPER LEVEL LOW OVER NORTHWEST IOWA AT THIS TIME AND WILL MOVE
ACROSS CENTRAL IA BY MID MORNING. COOLER CLOUD TOPS AND BEST RADAR
RETURNS HAVE SHIFTED EAST AND SFC VSBY GENERALLY 1 TO 3 MILES IN THE
LIGHT SNOW. CURRENTLY HAVE A RELATIVE MINIMUM OF ECHO RETURNS OVER
SW IA...BUT THE SNOW SHOULD PICK UP THERE A BIT SHORTLY AS MOISTURE
WRAPPING AROUND THE UPPER LEVEL LOW MOVES ACROSS THAT REGION. LIGHT
SNOW WILL CONTINUE THROUGH THE DAY UNDER THE CYCLONIC FLOW ALOFT AND
WEAK LIFT...TAPERING OFF WEST TO EAST AFTER NOON...WITH ADDITIONAL
ACCUMULATIONS GENERALLY ONE TO TWO INCHES...WITH THE MOST ACROSS THE
NORTHEAST THIRD.

THE BIGGER CONCERN CONTINUES TO BE THE EXPECTED INCREASE OF THE WIND
THROUGH THE MORNING HOURS WEST TO EAST AS SFC HIGH PRESSURE BUILDS
SOUTHEAST BEHIND THE DEPARTING LOW. PRESSURE GRADIENT ACROSS IA
EXPECTED TO BE CLOSE TO 20 MB BY AFTERNOON...WITH MAXIMUM WIND IN
THE MIXED LAYER 35 TO 40 KTS. NORMALLY...AND ESPECIALLY CONSIDERING
THE FLUFFINESS OF THE SNOW ON THE GROUND...THIS WOULD RAISE FLAGS
FOR A BLIZZARD WARNING. HOWEVER...STRONGEST SUBSIDENCE SEEMS TO BE
SOUTH OF IA TODAY...AND DESPITE A MODERATE ISALLOBARIC BULLSEYE
UNDER A SIMILAR GRADIENT CURRENTLY OVER ERN SD...SFC OBSERVATIONS IN
THE REGION OF 30+ KT WIND GUSTS ARE ONLY YIELDING VSBYS AS LOW AS
3/4 MILE. SO CONFIDENCE STILL NOT HIGH ENOUGH AT THIS POINT TO
UPGRADE WINTER STORM WARNING TO A BLIZZARD WARNING. WILL CONTINUE TO
EMPHASIZE THE IMPACTS OF SIGNIFICANT BLOWING AND DRIFTING SNOW THAT
WILL CERTAINLY OCCUR. TEMPERATURES WILL ALSO BE FALLING SLOWLY
THROUGH THE DAY WITH WIND CHILL VALUES DROPPING INTO THE 15 BELOW TO
25 BELOW RANGE BY LATE AFTERNOON.

.LONG TERM /TONIGHT THROUGH TUESDAY/...
LIGHT SNOW AND BLOWING SNOW WILL BE ONGOING AT BEGINNING OF TONIGHT
PERIOD WITH BOTH SNOW AND WIND DIMINISHING GRADUALLY OVERNIGHT AND
LITTLE TO NO ADDITIONAL SNOW ACCUMULATION EXPECTED DURING THAT TIME.
OTHERWISE BIG WEATHER STORY WILL BE VERY COLD TEMPERATURES AND
DANGEROUS WIND CHILLS ON TAP FROM TONIGHT INTO SATURDAY. IT SEEMS
CLEAR THAT A WIND CHILL WARNING WILL BE NECESSARY FOR MUCH OF THIS
TIME...HOWEVER AT THIS TIME THE WINTER STORM WATCH ALREADY IN EFFECT
FOR TODAY COVERS THE WIND CHILL THREAT WELL AND IT WOULD BE
UNNECESSARILY CONFUSING TO HOIST A WIND CHILL WARNING ON TOP OF THAT
PRODUCT. EXPECTATION IS THAT WHEN THE WINTER STORM WATCH IS
EXPIRED/CANCELLED LATER TODAY OR THIS EVENING A WIND CHILL WARNING
WILL PROBABLY BE ISSUED AT THAT TIME. A WINTER WEATHER ADVISORY MAY
ALSO BE NECESSARY FOR BLOWING SNOW THIS EVENING AND EARLY
TONIGHT...HOWEVER FOR SIMILAR REASONS THAT WILL BE DECIDED LATER
TODAY AS THE WINTER STORM WARNING COMES CLOSER TO EXPIRATION.

MINIMUM TEMPERATURES ARE SOMEWHAT PROBLEMATIC FOR TONIGHT AND FRIDAY
NIGHT AS VERY COLD TEMPERATURES WILL RUSH IN OUT OF THE ARCTIC HIGH
APPROACHING FROM THE WEST/NORTHWEST...BUT AT THE SAME TIME WE WILL
REMAIN VIRTUALLY OVERCAST TONIGHT AND THERE ARE INCREASING
INDICATIONS OF CLOUDS LINGERING THROUGH MUCH OF FRIDAY NIGHT
ESPECIALLY IN OUR SOUTHEASTERN COUNTIES. WITH THAT IN MIND RAISED
TEMPERATURES BY A FEW DEGREES IN THOSE AREAS SATURDAY MORNING...BUT
THE FORECAST VALUES ARE STILL FAR BELOW NORMAL AND WILL STILL RESULT
IN DANGEROUS WIND CHILLS EVEN GIVEN RELATIVELY LIGHT WINDS AT THAT
TIME.

A GRADUAL WARMING TREND WILL BEGIN SOMETIME SATURDAY AS THE ARCTIC
HIGH BEGINS TO MOVE AWAY TO THE SOUTH AND WINDS COME AROUND TO
SOUTHWEST AHEAD OF A BROAD TROUGH OF LOW PRESSURE FORMING ALONG THE
WESTERN HIGH PLAINS. DURING THE DAY SATURDAY SKIES WILL BE CLEAR AND
WINDS WILL BE LIGHT WITH THE HIGH PRESSURE CENTER NEARBY...INITIALLY
NORTHWEST THEN TURNING TO WEST LATER IN THE DAY AND TO SOUTHWEST IN
SOME OF OUR WESTERN ZONES. HOWEVER...MOS TEMPS SEEM WAY OVERDONE
GIVEN VERY COLD AIR IN PLACE DURING THE MORNING...LIMITED SOLAR
ANGLE/INSOLATION...VERY LITTLE IF ANY LOW LEVEL WARM AIR ADVECTION
WHICH WILL STILL BE SHUNTED OFF TO OUR WEST...AND FRESH SNOW COVER
ON TOP OF THE DEEP SNOW PACK IN PLACE ACROSS OUR AREA AND WELL TO
OUR SOUTHWEST AS WELL. GIVEN THESE FACTORS HAVE MAINTAINED MAX TEMPS
SATURDAY IN THE NEIGHBORHOOD OF 5 TO 8 DEGREES BELOW MOS GUIDANCE.
SATURDAY NIGHT/SUNDAY DEFINITELY LOOK WARMER /RELATIVELY SPEAKING/
AS SOUTHWESTERLY FLOW INCREASES AND HAVE MADE LITTLE CHANGE TO THE
FORECAST FOR THOSE TIME FRAMES.

NEXT CHANCE FOR PRECIP WILL COME IN ASSOCIATION WITH A CLIPPER
SYSTEM MOVING THROUGH THE NORTHWESTERLY FLOW ALOFT AND CROSSING OUR
AREA SUNDAY NIGHT/EARLY MONDAY. LONG RANGE MODELS ARE HAVING TROUBLE
RESOLVING TIMING AND MOISTURE PROFILES FOR THIS SYSTEM...SO WHILE
THERE WOULD SEEM TO BE A DECENT CHANCE OF PRECIP HAVE KEPT POPS
SLIGHT FOR SUNDAY NIGHT AND MONDAY ESPECIALLY DUE TO THE UNCERTAINTY
OF WHICH OF THESE PERIODS PRECIP WILL BE MOST LIKELY TO OCCUR
IN...AS THE DURATION WILL BE RELATIVELY SHORT WITH THE SYSTEM MOVING
QUICKLY PAST. ANOTHER ITEM OF NOTE IS THAT DEPENDING ON HOW MUCH
WARM AIR ADVECTION TAKES PLACE IN THE 24 HOURS OR SO BEFORE THIS
PRECIP BEGINS THERE IS A SLIGHT CHANCE OF SOME KIND OF MIXED PRECIP
AS INDICATED BY SOME OF THE MODEL SOUNDINGS. HOWEVER...THIS REMAINS
A REMOTE CHANCE ATTM AND IT APPEARS THAT ANY PRECIP WITH THIS SYSTEM
WILL LIKELY BE ALL SNOW. AFTER THAT NEXT WEEK LOOKS QUIET AND
CONSIDERABLY WARMER /FINALLY/ WITH DEEP RIDGING AND SOUTHERLY LOW
LEVEL FLOW FOR SEVERAL DAYS.

&&

.AVIATION...
07/18Z...SYSTEM STILL PROGRESSING ACROSS STATE. SEVERE BLOWING
OCCURRING OVER WEST SECTIONS NOW WITH LOWERING CIGS/VSBYS. AT TIMES
EXPECTING TO SEE CONDITIONS DROP TO IFR OR BRIEFLY LIFR OVER THE TAF
PERIOD WITH WORST CONDITIONS FROM 18Z TO 03Z. WINDS SHOULD IMPROVE
TNT AS GRADIENT RELAXES AND GUSTS DIMINISH. SOME HINT AT LOWER
STRATUS TO STICK AROUND THROUGH MID MORNING ON FRIDAY. HAVE KEPT
CIGS IN MVFR RANGE DUE TO POTENTIAL. /REV

&&

.DMX WATCHES/WARNINGS/ADVISORIES...
WINTER STORM WARNING ENTIRE AREA TIL 00Z FRIDAY.

SHORT TERM...MOYER/REV
LONG TERM...LEE
AVIATION...REV
Hazardous weather outlook, Jan 7, 4:51 AM CST, 10 hours 33 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DES MOINES IA
451 AM CST THU JAN 7 2010

IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-081>086-
092>097-081200-
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN-
WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-CARROLL-GREENE-
BOONE-STORY-MARSHALL-TAMA-AUDUBON-GUTHRIE-DALLAS-POLK-JASPER-
POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION-MAHASKA-ADAMS-UNION-
CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR-WAYNE-APPANOOSE-
DAVIS-
451 AM CST THU JAN 7 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...TODAY AND TONIGHT

A WINTER STORM WARNING IS IN EFFECT FOR THE AREA INTO THIS
EVENING. PLEASE REFER TO THE NATIONAL WEATHER SERVICE WEBSITE AT
WEATHER.GOV/DESMOINES FOR FURTHER DETAILS.

LIGHT SNOW WILL PERSIST TODAY BEFORE TAPERING OFF FROM WEST TO
EAST TONIGHT. ONLY LIGHT ADDITIONAL ACCUMULATIONS ARE
EXPECTED...HOWEVER NORTHWEST WINDS WILL BECOME STRONG TODAY
RESULTING IN SIGNIFICANT TO POTENTIALLY SEVERE BLOWING AND
DRIFTING OF SNOW...ESPECIALLY IN RURAL AND OPEN AREAS. THIS WILL
REDUCE VISIBILITY SUBSTANTIALLY WITH NEAR WHITE OUT CONDITIONS
POSSIBLE AT TIMES. THE BLOWING AND DRIFTING SNOW WILL MAKE TRAVEL
HAZARDOUS AND SOME RURAL ROADS WILL BECOME IMPASSIBLE. CONDITIONS
WILL IMPROVE SLOWLY TONIGHT AS THE SNOW TAPERS OFF AND WINDS BEGIN
TO SUBSIDE...HOWEVER ARCTIC AIR RUSHING INTO THE REGION WILL
GENERATE BITTERLY COLD TEMPERATURES AND DANGEROUS WIND CHILLS IN
THE 20 TO 40 BELOW RANGE TONIGHT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED...HOWEVER SNOWFALL REPORTS
WOULD BE APPRECIATED.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

BITTERLY COLD TEMPERATURES AND DANGEROUS WIND CHILLS IN THE 20 TO
40 BELOW RANGE WILL PERSIST INTO SATURDAY MORNING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED...HOWEVER SNOWFALL REPORTS
WOULD BE APPRECIATED.

LEE

In the hours before

Local storm report, Jan 7, 12:16 PM CST, 3 hours 8 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1216 PM CST THU JAN 07 2010

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

1200 PM     SNOW             3 S POLK CITY           41.74N 93.72W
01/07/2010  M5.2 INCH        POLK               IA   OFFICIAL NWS OBS

&&

JH
Local storm report, Jan 7, 12:17 PM CST, 3 hours 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1217 PM CST THU JAN 07 2010

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

1200 PM     SNOW             DES MOINES INT AIRPORT  41.53N 93.66W
01/07/2010  M5.7 INCH        POLK               IA   OFFICIAL NWS OBS

&&

JH
Local storm report, Jan 7, 12:19 PM CST, 3 hours 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1219 PM CST THU JAN 07 2010

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

1200 PM     SNOW             WATERLOO                42.49N 92.35W
01/07/2010  M6.3 INCH        BLACK HAWK         IA   OFFICIAL NWS OBS

&&

JH
Local storm report, Jan 7, 12:32 PM CST, 2 hours 52 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1232 PM CST THU JAN 07 2010

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

1200 PM     SNOW             RINGSTED                43.30N 94.51W
01/07/2010  M6.5 INCH        EMMET              IA   CO-OP OBSERVER

&&

JH
Local storm report, Jan 7, 1:14 PM CST, 2 hours 10 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
114 PM CST THU JAN 07 2010

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

0112 PM     SNOW             DENISON                 42.02N 95.35W
01/07/2010  E4.5 INCH        CRAWFORD           IA   TRAINED SPOTTER

            CONSIDERABLE BLOWING AND DRIFTING IN RURAL AREAS

&&

DONAVON
Local storm report, Jan 7, 2:32 PM CST, 52 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
232 PM CST THU JAN 07 2010

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

0100 PM     SNOW             BLOOMFIELD              40.75N 92.42W
01/07/2010  E4.5 INCH        DAVIS              IA   PUBLIC

&&

DONAVON

The office that day

Everything else NWS Des Moines, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 7, 3:24 PM CSTWind Chill WarningDMXAdair, Adams, Audubon, Boone, Butler, Calhoun and 31 more21 hr

Nearby

Wind Chill Advisories in Iowa, 2010Every wind chill advisory in 2010

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.