Alert archive / Iowa / Blizzard Warnings in 2011

Blizzard Warning 1, NWS Des Moines, IA

January 7, 201110 counties in Iowa

NWS Des Moines, IA issued this blizzard warning at Jan 7, 2011, 4:19 PM CST for 10 counties in Iowa. It was in force for 5 hr. 4 reports came from inside the area while it was in force.

The area

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

The facts

Issued
Jan 7, 2011, 4:19 PM CST (22:19 UTC)
Expired
Jan 7, 2011, 9:00 PM CST
In force
5 hr
Issued by
NWS Des Moines, IA

Counties Cerro Gordo County, IA, Emmet County, IA, Franklin County, IA, Hancock County, IA, Humboldt County, IA, Kossuth County, IA, Palo Alto County, IA, Winnebago County, IA, Worth County, IA, Wright County, IA

The radar

The Des Moines radar (KDMX), 151 km from the middle of the area, began a volume at 22:18 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

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

What was reported inside it

TimeReportWhereRemark
Jan 7, 6:45 PM CSTBLIZZARD5 W Buffalo Center, IASPOTTER REPORTED WHITEOUT CONDITIONS DURING MUCH OF TRIP DRIVING FROM WHITTEMORE.
Jan 7, 7:02 PM CSTBLIZZARD1 Nw Dakota City, IAWHITEOUT CONDITIONS. IMMEDIATELY TURNED AROUND AND RETURNED FROM TRIP TO NORTHERN PART OF COUNTY.
Jan 7, 7:05 PM CSTBLIZZARDAlgona, IABLIZZARD CONDITIONS. DEPUTIES CANNOT SEE BEYOND HOOD OF CARS. SEVERAL ROADS CLOSED. ALGONA AWOS HAS REPORTED FREQUENT GUSTS OF 35 MPH OR MORE.
Jan 7, 7:07 PM CSTBLIZZARDEstherville, IANEAR ZERO VISIBILITY. ESTHERVILLE ASOS HAS REPORTED GUSTS IN EXCESS OF 35 MPH FOR SEVERAL HOURS.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.3 hours before the alert went out and 198 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, Minneapolis, MN at 12:00Z on 2011-01-07Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2011-01-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 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
705 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
164 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.

178 
WWUS43 KDMX 072219
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
419 PM CST FRI JAN 7 2011

...STRONG WINDS PRODUCING BLOWING SNOW AND LOW VISIBILITY THROUGH
THIS EVENING...

IAZ006-007-016-017-080300-
/O.UPG.KDMX.WW.Y.0001.000000T0000Z-110108T0300Z/
/O.NEW.KDMX.BZ.W.0001.110107T2219Z-110108T0300Z/
WINNEBAGO-WORTH-HANCOCK-CERRO GORDO-
INCLUDING THE CITIES OF...FOREST CITY...NORTHWOOD...GARNER...
MASON CITY
419 PM CST FRI JAN 7 2011

...BLIZZARD WARNING IN EFFECT UNTIL 9 PM CST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT UNTIL 9 PM CST THIS EVENING. THE
WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. 

* SHORT TERM TRENDS...VERY STRONG NORTHWEST AT 25 TO 35 MPH WITH
  GUSTS TO NEAR 45 MPH WILL CONTINUE TO AFFECT THE AREA THROUGH
  THIS EVENING. THESE STRONG WINDS COMBINED WITH LIGHT SNOW BANDS
  AND A FRESH SNOW PACK FROM EARLIER THIS MORNING WILL LEAD TO
  VISIBILITY RESTRICTIONS TO LESS THAN ONE QUARTER MILE AT TIMES
  TO NEAR WHITE OUT CONDITIONS. 

* STORM TOTAL SNOW/ICE ACCUMULATIONS...LITTLE OR NO ADDITIONAL 
  SNOW ACCUMULATIONS ARE EXPECTED. 

* IMPACTS...THE LOWEST VISIBILITY RESTRICTIONS WILL BE ACROSS OPEN
  AREAS MAKING TRAVEL EXTREMELY DIFFICULT AT TIMES. ROADS ARE
  LIKELY TO BECOME SLICK WITH THE BLOWING SNOW ACROSS THE ROADWAYS
  CREATING BLACK ICE.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

&&

$$

PODRAZIK

IAZ004-005-015-023>028-035>039-080300-
/O.CON.KDMX.WW.Y.0001.000000T0000Z-110108T0300Z/
EMMET-KOSSUTH-PALO ALTO-POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-
BUTLER-BREMER-WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...EMMETSBURG...
POCAHONTAS...HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...
FORT DODGE...WEBSTER CITY...ELDORA...GRUNDY CENTER...WATERLOO
419 PM CST FRI JAN 7 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING. 

* SHORT TERM TRENDS...STRONG NORTHWEST AT 25 TO 35 MPH WITH 
  GUSTS TO 40 MPH ARE EXPECTED THROUGH MID EVENING TONIGHT. 
  THESE STRONG WINDS COMBINED WITH LIGHT SNOW BANDS AND THE 
  RECENT SNOWFALL EARLIER THIS MORNING WILL LEAD TO VISIBILITY 
  RESTRICTIONS OF LESS THAN ONE HALF MILE AT TIMES. 

* STORM TOTAL SNOW/ICE ACCUMULATIONS...LITTLE OR NO ADDITIONAL 
  SNOW ACCUMULATIONS ARE EXPECTED. 

* IMPACTS...THE LOWEST VISIBILITY RESTRICTIONS WILL BE ACROSS 
  OPEN AREAS MAKING TRAVEL EXTREMELY DIFFICULT AT TIMES. ROADS 
  ARE LIKELY TO BECOME SLICK WITH THE BLOWING SNOW ACROSS THE 
  ROADWAYS CREATING BLACK ICE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITY
WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE
CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

&&

$$

PODRAZIK
3 follow-up statements
256 
WWUS43 KDMX 072332
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
532 PM CST FRI JAN 7 2011

...STRONG WINDS PRODUCING BLOWING SNOW AND LOCALIZED VERY LOW
VISIBILITY THROUGH THIS EVENING...

IAZ006-007-016-017-080300-
/O.CON.KDMX.BZ.W.0001.000000T0000Z-110108T0300Z/
WINNEBAGO-WORTH-HANCOCK-CERRO GORDO-
INCLUDING THE CITIES OF...FOREST CITY...NORTHWOOD...GARNER...
MASON CITY
532 PM CST FRI JAN 7 2011

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 9 PM CST THIS EVENING.

* SHORT TERM TRENDS...VERY STRONG NORTHWEST WIND AT 25 TO 35 MPH
  WITH GUSTS TO NEAR 45 MPH WILL CONTINUE TO AFFECT THE AREA
  THROUGH THIS EVENING. THE STRONG WIND COMBINED WITH OCCASIONAL
  LIGHT SNOW AND A FRESH SNOW PACK WILL LEAD TO VISIBILITY
  RESTRICTIONS TO LESS THAN ONE QUARTER MILE AT TIMES TO NEAR
  WHITE OUT CONDITIONS.

* STORM TOTAL SNOW/ICE ACCUMULATIONS...LITTLE OR NO ADDITIONAL 
  SNOW ACCUMULATIONS ARE EXPECTED. 

* IMPACTS...THE LOWEST VISIBILITY RESTRICTIONS WILL BE ACROSS 
  OPEN AREAS MAKING TRAVEL EXTREMELY DIFFICULT AT TIMES. ROADS 
  ARE LIKELY TO BECOME SLICK WITH THE BLOWING SNOW ACROSS THE 
  ROADWAYS CREATING BLACK ICE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

&&

$$

IAZ049-050-080300-
/O.EXA.KDMX.WW.Y.0001.000000T0000Z-110108T0300Z/
MARSHALL-TAMA-
INCLUDING THE CITIES OF...MARSHALLTOWN...TOLEDO
532 PM CST FRI JAN 7 2011

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 PM CST THIS
EVENING...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
WEATHER ADVISORY FOR VISIBILITY RESTRICTIONS DUE TO BLOWING SNOW...
WHICH IS IN EFFECT UNTIL 9 PM CST THIS EVENING.

* SHORT TERM TRENDS...STRONG NORTHWEST WIND AT 25 TO 35 MPH WITH
  GUSTS TO 40 MPH ARE EXPECTED THROUGH MID EVENING TONIGHT. THESE
  STRONG WINDS COMBINED WITH OCCASIONAL LIGHT SNOW AND THE
  SNOWFALL FROM THIS MORNING WILL LEAD TO VISIBILITY RESTRICTIONS
  OF LESS THAN ONE HALF MILE AT TIMES. LOCALIZED VISIBILITIES NEAR
  ZERO ARE POSSIBLE AT TIMES.

* STORM TOTAL SNOW/ICE ACCUMULATIONS...LITTLE OR NO ADDITIONAL 
  SNOW ACCUMULATIONS ARE EXPECTED. 

* IMPACTS...THE LOWEST VISIBILITY RESTRICTIONS WILL BE ACROSS 
  OPEN AREAS MAKING TRAVEL EXTREMELY DIFFICULT AT TIMES. ROADS 
  ARE LIKELY TO BECOME SLICK WITH THE BLOWING SNOW ACROSS THE 
  ROADWAYS CREATING BLACK ICE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITY
WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE
CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

&&

$$

IAZ004-005-015-023>028-035>039-080300-
/O.CON.KDMX.WW.Y.0001.000000T0000Z-110108T0300Z/
EMMET-KOSSUTH-PALO ALTO-POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-
BUTLER-BREMER-WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...EMMETSBURG...
POCAHONTAS...HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...
FORT DODGE...WEBSTER CITY...ELDORA...GRUNDY CENTER...WATERLOO
532 PM CST FRI JAN 7 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING. 

* SHORT TERM TRENDS...STRONG NORTHWEST WIND AT 25 TO 35 MPH WITH
  GUSTS TO 40 MPH ARE EXPECTED THROUGH MID EVENING TONIGHT. THE
  STRONG WIND COMBINED WITH OCCASIONAL LIGHT SNOW AND THE SNOWFALL
  FROM THIS MORNING WILL LEAD TO VISIBILITY RESTRICTIONS OF LESS
  THAN ONE HALF MILE AT TIMES. LOCALIZED VISIBILITIES NEAR ZERO
  ARE POSSIBLE AT TIMES.

* STORM TOTAL SNOW/ICE ACCUMULATIONS...LITTLE OR NO ADDITIONAL 
  SNOW ACCUMULATIONS ARE EXPECTED. 

* IMPACTS...THE LOWEST VISIBILITY RESTRICTIONS WILL BE ACROSS 
  OPEN AREAS MAKING TRAVEL EXTREMELY DIFFICULT AT TIMES. ROADS 
  ARE LIKELY TO BECOME SLICK WITH THE BLOWING SNOW ACROSS THE 
  ROADWAYS CREATING BLACK ICE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITY
WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE
CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

&&

$$

FAB
161 
WWUS43 KDMX 080103
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
703 PM CST FRI JAN 7 2011

...STRONG WINDS PRODUCING BLOWING SNOW AND LOCALIZED VERY LOW
VISIBILITY THROUGH THIS EVENING...

IAZ004-005-015-024>026-080300-
/O.UPG.KDMX.WW.Y.0001.000000T0000Z-110108T0300Z/
/O.EXA.KDMX.BZ.W.0001.000000T0000Z-110108T0300Z/
EMMET-KOSSUTH-PALO ALTO-HUMBOLDT-WRIGHT-FRANKLIN-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...EMMETSBURG...
HUMBOLDT...CLARION...HAMPTON
703 PM CST FRI JAN 7 2011

...BLIZZARD WARNING IN EFFECT UNTIL 9 PM CST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT UNTIL 9 PM CST THIS EVENING. THE
WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. 

* SHORT TERM TRENDS...VERY STRONG NORTHWEST WIND AT 25 TO 35 MPH
  WITH GUSTS TO NEAR 45 MPH WILL CONTINUE TO AFFECT THE AREA
  THROUGH THIS EVENING. THE STRONG WIND COMBINED WITH FALLING AND
  BLOWING SNOW WILL LEAD TO VISIBILITY RESTRICTIONS OF LESS THAN
  ONE QUARTER MILE WITH WHITE OUT CONDITIONS AT TIMES.

* STORM TOTAL SNOW/ICE ACCUMULATIONS...LITTLE OR NO ADDITIONAL 
  SNOW ACCUMULATIONS ARE EXPECTED. 

* IMPACTS...THE LOWEST VISIBILITY RESTRICTIONS WILL BE ACROSS OPEN
  AREAS MAKING TRAVEL EXTREMELY DIFFICULT AT TIMES. ROADS ARE
  LIKELY TO BECOME SLICK WITH THE BLOWING SNOW ACROSS THE ROADWAYS
  CREATING BLACK ICE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

&&

$$

IAZ006-007-016-017-080300-
/O.CON.KDMX.BZ.W.0001.000000T0000Z-110108T0300Z/
WINNEBAGO-WORTH-HANCOCK-CERRO GORDO-
INCLUDING THE CITIES OF...FOREST CITY...NORTHWOOD...GARNER...
MASON CITY
703 PM CST FRI JAN 7 2011

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 9 PM CST THIS EVENING.

* SHORT TERM TRENDS...VERY STRONG NORTHWEST WIND AT 25 TO 35 MPH
  WITH GUSTS TO NEAR 45 MPH WILL CONTINUE TO AFFECT THE AREA
  THROUGH THIS EVENING. THE STRONG WIND COMBINED WITH FALLING AND
  BLOWING SNOW WILL LEAD TO VISIBILITY RESTRICTIONS OF LESS THAN
  ONE QUARTER MILE WITH WHITE OUT CONDITIONS AT TIMES.

* STORM TOTAL SNOW/ICE ACCUMULATIONS...LITTLE OR NO ADDITIONAL 
  SNOW ACCUMULATIONS ARE EXPECTED. 

* IMPACTS...THE LOWEST VISIBILITY RESTRICTIONS WILL BE ACROSS 
  OPEN AREAS MAKING TRAVEL EXTREMELY DIFFICULT AT TIMES. ROADS 
  ARE LIKELY TO BECOME SLICK WITH THE BLOWING SNOW ACROSS THE 
  ROADWAYS CREATING BLACK ICE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

&&

$$

IAZ023-027-028-035>039-049-050-080300-
/O.CON.KDMX.WW.Y.0001.000000T0000Z-110108T0300Z/
POCAHONTAS-BUTLER-BREMER-WEBSTER-HAMILTON-HARDIN-GRUNDY-
BLACK HAWK-MARSHALL-TAMA-
INCLUDING THE CITIES OF...POCAHONTAS...ALLISON...WAVERLY...
FORT DODGE...WEBSTER CITY...ELDORA...GRUNDY CENTER...WATERLOO...
MARSHALLTOWN...TOLEDO
703 PM CST FRI JAN 7 2011

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING. 

* SHORT TERM TRENDS...STRONG NORTHWEST WIND AT 25 TO 35 MPH WITH
  STRONGER GUSTS ARE EXPECTED THROUGH MID EVENING TONIGHT. THESE
  STRONG WINDS COMBINED WITH FALLING AND BLOWING SNOW WILL LEAD
  TO VISIBILITY RESTRICTIONS OF LESS THAN ONE HALF MILE AT TIMES.
  LOCALIZED VISIBILITIES NEAR ZERO ARE POSSIBLE AT TIMES.

* STORM TOTAL SNOW/ICE ACCUMULATIONS...LITTLE OR NO ADDITIONAL 
  SNOW ACCUMULATIONS ARE EXPECTED. 

* IMPACTS...THE LOWEST VISIBILITY RESTRICTIONS WILL BE ACROSS 
  OPEN AREAS MAKING TRAVEL EXTREMELY DIFFICULT AT TIMES. ROADS 
  ARE LIKELY TO BECOME SLICK WITH THE BLOWING SNOW ACROSS THE 
  ROADWAYS CREATING BLACK ICE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITY
WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE
CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

&&

$$

FAB
824 
WWUS43 KDMX 080258
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
858 PM CST FRI JAN 7 2011

...CONDITIONS IMPROVING LATE THIS EVENING...

IAZ004>007-015>017-024>026-080400-
/O.EXP.KDMX.BZ.W.0001.000000T0000Z-110108T0300Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
HUMBOLDT-WRIGHT-FRANKLIN-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...HUMBOLDT...
CLARION...HAMPTON
858 PM CST FRI JAN 7 2011

...BLIZZARD WARNING WILL EXPIRE AT 9 PM CST THIS EVENING...

THE BLIZZARD WARNING WILL EXPIRE AT 9 PM CST THIS EVENING. 

* SHORT TERM TRENDS...WINDS CONTINUE TO GRADUALLY DECREASE THIS
  EVENING WITH CONDITIONS SLOWLY IMPROVING. ALTHOUGH SOME LOCALLY
  REDUCED VISIBILITIES ARE EXPECTED TONIGHT...VISIBILITIES SHOULD
  REMAIN AT LEAST A MILE OR TWO ACROSS MUCH OF THE AREA.

$$

IAZ023-027-028-035>039-049-050-080400-
/O.EXP.KDMX.WW.Y.0001.000000T0000Z-110108T0300Z/
POCAHONTAS-BUTLER-BREMER-WEBSTER-HAMILTON-HARDIN-GRUNDY-
BLACK HAWK-MARSHALL-TAMA-
INCLUDING THE CITIES OF...POCAHONTAS...ALLISON...WAVERLY...
FORT DODGE...WEBSTER CITY...ELDORA...GRUNDY CENTER...WATERLOO...
MARSHALLTOWN...TOLEDO
858 PM CST FRI JAN 7 2011

...WINTER WEATHER ADVISORY WILL EXPIRE AT 9 PM CST THIS EVENING...

THE WINTER WEATHER ADVISORY WILL EXPIRE AT 9 PM CST THIS EVENING.

* SHORT TERM TRENDS...WINDS CONTINUE TO GRADUALLY DECREASE THIS
  EVENING WITH CONDITIONS SLOWLY IMPROVING. ALTHOUGH SOME LOCALLY
  REDUCED VISIBILITIES ARE EXPECTED TONIGHT...VISIBILITIES SHOULD
  REMAIN AT LEAST A MILE OR TWO ACROSS MUCH OF THE AREA.

$$

SMALL

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 7, 3:22 PM CSTWinter Weather AdvisoryDMXBlack Hawk, Bremer, Butler, Cerro Gordo, Emmet, Franklin and 14 more6 hr

Nearby

Blizzard Warnings in Iowa, 2011Every blizzard warning in 2011

Sources

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