Alert archive / Iowa / Blizzard Warnings in 2015

Blizzard Warning 1, NWS Des Moines, IA

January 3, 20154 counties in Iowa

NWS Des Moines, IA issued this blizzard warning at Jan 3, 2015, 6:32 PM CST for 4 counties in Iowa. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jan 3, 2015, 6:32 PM CST (00:32 UTC)
Expired
Jan 4, 2015, 1:00 AM CST
In force
6 hr
Issued by
NWS Des Moines, IA

Counties Emmet County, IA, Kossuth County, IA, Palo Alto County, IA, Winnebago County, IA

The radar

The Des Moines radar (KDMX), 177 km from the middle of the area, began a volume at 00:38 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

Minneapolis, MN (KMPX), launched 00:00Z, 0.5 hours before the alert went out and 186 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 00:00Z on 2015-01-04Temperature 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 00:00Z on 2015-01-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -91 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
617 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
-91 m²/s²
0-3 km storm-relative helicity
41 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.

097 
WWUS43 KDMX 040032
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
632 PM CST SAT JAN 3 2015

...DETERIORATING WEATHER OVERNIGHT...BLIZZARD CONDITIONS
NORTHWEST...

A SHARP COLD FRONT WILL BRING SNOW...STRONG WINDS...BLOWING
SNOW...AND PLUMMETING TEMPERATURES WITH DANGEROUS WIND CHILLS BY
LATER TONIGHT.

IAZ004>006-015-040845-
/O.UPG.KDMX.WW.Y.0001.000000T0000Z-150104T1200Z/
/O.NEW.KDMX.BZ.W.0001.150104T0032Z-150104T0700Z/
/O.NEW.KDMX.WW.Y.0002.150104T0700Z-150104T1200Z/
EMMET-KOSSUTH-WINNEBAGO-PALO ALTO-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
LAKE MILLS...EMMETSBURG
632 PM CST SAT JAN 3 2015

...BLIZZARD WARNING IN EFFECT UNTIL 1 AM CST SUNDAY...
...WINTER WEATHER ADVISORY IN EFFECT FROM 1 AM TO 6 AM CST
SUNDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT UNTIL 1 AM CST SUNDAY. A WINTER
WEATHER ADVISORY FOR SNOW AND BLOWING SNOW IS THEN IN EFFECT FROM
1 AM TO 6 AM CST SUNDAY.

* SHORT TERM TRENDS...WHITEOUT CONDITIONS WILL ARE EXPECTED AROUND
  ESTHERVILLE BY 8 PM...AND WILL SPREAD GRADUALLY EASTWARD OVER
  THE FOLLOWING SEVERAL HOURS. CONDITIONS WILL SLOWLY IMPROVE
  AFTER MIDNIGHT.

* STORM TOTAL SNOW/ICE ACCUMULATIONS...UP TO 2 INCHES OF SNOW.

* WINDS/VISIBILITY...NORTHWEST AROUND 30 MPH WITH GUSTS TO NEAR
  40 MPH. VISIBILITY WILL BE LESS THAN A QUARTER MILE WHILE SNOW
  IS FALLING...AND NEAR ZERO AT TIMES.

* IMPACTS...LOW VISIBILITIES...STRONG WINDS...AND SLICK ROADS WILL
  MAKE TRAVEL LIFE THREATENING. DANGEROUS WIND CHILLS ARE ALSO
  EXPECTED LATE TONIGHT.

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.

ANY REPORTS OF SNOW AND BLOWING SNOW ARE MUCH APPRECIATED AND CAN
BE RELAYED DIRECTLY TO THE NATIONAL WEATHER SERVICE USING TWITTER
HANDLE NWS DES MOINES...HASHTAG NWSDMX OR POST TO THE NWS DES
MOINES FACEBOOK PAGE.

&&

$$

IAZ007-016-017-023>028-033>039-044>050-057>062-070>075-081>086-
092>097-040845-
/O.CON.KDMX.WW.Y.0001.000000T0000Z-150104T1200Z/
WORTH-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-
INCLUDING THE CITIES OF...NORTHWOOD...MANLY...GARNER...BRITT...
KANAWHA...MASON CITY...CLEAR LAKE...POCAHONTAS...LAURENS...
ROLFE...FONDA...GILMORE CITY...HUMBOLDT...EAGLE GROVE...CLARION...
BELMOND...HAMPTON...PARKERSBURG...CLARKSVILLE...SHELL ROCK...
GREENE...APLINGTON...ALLISON...DUMONT...WAVERLY...SAC CITY...
LAKE VIEW...ODEBOLT...WALL LAKE...SCHALLER...EARLY...
ROCKWELL CITY...MANSON...LAKE CITY...POMEROY...FORT DODGE...
WEBSTER CITY...IOWA FALLS...ELDORA...ACKLEY...GRUNDY CENTER...
REINBECK...CONRAD...DIKE...WELLSBURG...WATERLOO...CEDAR FALLS...
DENISON...CARROLL...JEFFERSON...BOONE...AMES...MARSHALLTOWN...
TAMA...TOLEDO...TRAER...DYSART...GLADBROOK...AUDUBON...EXIRA...
GUTHRIE CENTER...PANORA...BAYARD...CASEY...PERRY...WAUKEE...
ADEL...DES MOINES...NEWTON...GRINNELL...ATLANTIC...GREENFIELD...
STUART...ADAIR...FONTANELLE...WINTERSET...EARLHAM...INDIANOLA...
NORWALK...CARLISLE...PELLA...KNOXVILLE...OSKALOOSA...CORNING...
CRESTON...OSCEOLA...CHARITON...ALBIA...OTTUMWA...BEDFORD...
LENOX...NEW MARKET...MOUNT AYR...LAMONI...LEON...CORYDON...
SEYMOUR...ALLERTON...HUMESTON...CENTERVILLE...BLOOMFIELD
632 PM CST SAT JAN 3 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
SUNDAY...

* SHORT TERM TRENDS...SNOW AND STRONG WINDS WILL SPREAD ACROSS THE
  AREA BY MIDNIGHT AND PERSIST THROUGH THE EARLY MORNING HOURS.

* STORM TOTAL SNOW ACCUMULATIONS...GENERALLY 1 TO 2 INCHES.

* WINDS/VISIBILITY...NORTHWEST INCREASING TO 25 TO 30 MPH WITH
  GUSTS TO NEAR 40 MPH AT TIMES. VISIBILITIES MAY REDUCED TO A
  HALF MILE OR LESS AT TIMES WHILE SNOW IS FALLING AND BLOWING.

* IMPACTS...LOW VISIBILITY...STRONG WINDS...AND SLICK ROADS WILL
  MAKE TRAVEL HAZARDOUS. DANGEROUS WIND CHILLS ARE ALSO EXPECTED
  LATE TONIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

ANY REPORTS OF SNOW AND BLOWING SNOW ARE MUCH APPRECIATED AND CAN
BE RELAYED DIRECTLY TO THE NATIONAL WEATHER SERVICE USING TWITTER
HANDLE NWS DES MOINES...HASHTAG NWSDMX OR POST TO THE NWS DES
MOINES FACEBOOK PAGE.

&&

$$

LEE
3 follow-up statements
195 
WWUS43 KDMX 040130
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
730 PM CST SAT JAN 3 2015

...DETERIORATING WEATHER OVERNIGHT...BLIZZARD CONDITIONS
NORTHWEST...

A SHARP COLD FRONT WILL BRING SNOW...STRONG WINDS...BLOWING
SNOW...AND PLUMMETING TEMPERATURES WITH DANGEROUS WIND CHILLS BY
LATER TONIGHT.

IAZ004>006-015-040930-
/O.CON.KDMX.BZ.W.0001.000000T0000Z-150104T0700Z/
/O.CON.KDMX.WW.Y.0002.150104T0700Z-150104T1200Z/
EMMET-KOSSUTH-WINNEBAGO-PALO ALTO-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
LAKE MILLS...EMMETSBURG
730 PM CST SAT JAN 3 2015

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 1 AM CST SUNDAY...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 AM TO 6 AM
CST SUNDAY...

* SHORT TERM TRENDS...WHITEOUT CONDITIONS WILL ARE EXPECTED 
  AROUND ESTHERVILLE BY 8 PM...AND WILL SPREAD GRADUALLY 
  EASTWARD OVER THE FOLLOWING SEVERAL HOURS. CONDITIONS WILL 
  SLOWLY IMPROVE AFTER MIDNIGHT. 

* STORM TOTAL SNOW/ICE ACCUMULATIONS...UP TO 2 INCHES OF SNOW.

* WINDS/VISIBILITY...NORTHWEST AROUND 30 MPH WITH GUSTS TO NEAR 
  40 MPH. VISIBILITY WILL BE LESS THAN A QUARTER MILE WHILE SNOW 
  IS FALLING...AND NEAR ZERO AT TIMES. 

* IMPACTS...LOW VISIBILITIES...STRONG WINDS...AND SLICK ROADS 
  WILL MAKE TRAVEL LIFE THREATENING. DANGEROUS WIND CHILLS ARE 
  ALSO EXPECTED LATE TONIGHT. 

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.

ANY REPORTS OF SNOW AND BLOWING SNOW ARE MUCH APPRECIATED AND CAN
BE RELAYED DIRECTLY TO THE NATIONAL WEATHER SERVICE USING TWITTER
HANDLE NWS DES MOINES...HASHTAG NWSDMX OR POST TO THE NWS DES
MOINES FACEBOOK PAGE.

&&

$$

IAZ007-016-017-023>028-033>039-044>050-057>062-070>075-081>086-
092>097-040930-
/O.CON.KDMX.WW.Y.0001.000000T0000Z-150104T1200Z/
WORTH-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-
INCLUDING THE CITIES OF...NORTHWOOD...MANLY...GARNER...BRITT...
KANAWHA...MASON CITY...CLEAR LAKE...POCAHONTAS...LAURENS...
ROLFE...FONDA...GILMORE CITY...HUMBOLDT...EAGLE GROVE...CLARION...
BELMOND...HAMPTON...PARKERSBURG...CLARKSVILLE...SHELL ROCK...
GREENE...APLINGTON...ALLISON...DUMONT...WAVERLY...SAC CITY...
LAKE VIEW...ODEBOLT...WALL LAKE...SCHALLER...EARLY...
ROCKWELL CITY...MANSON...LAKE CITY...POMEROY...FORT DODGE...
WEBSTER CITY...IOWA FALLS...ELDORA...ACKLEY...GRUNDY CENTER...
REINBECK...CONRAD...DIKE...WELLSBURG...WATERLOO...CEDAR FALLS...
DENISON...CARROLL...JEFFERSON...BOONE...AMES...MARSHALLTOWN...
TAMA...TOLEDO...TRAER...DYSART...GLADBROOK...AUDUBON...EXIRA...
GUTHRIE CENTER...PANORA...BAYARD...CASEY...PERRY...WAUKEE...
ADEL...DES MOINES...NEWTON...GRINNELL...ATLANTIC...GREENFIELD...
STUART...ADAIR...FONTANELLE...WINTERSET...EARLHAM...INDIANOLA...
NORWALK...CARLISLE...PELLA...KNOXVILLE...OSKALOOSA...CORNING...
CRESTON...OSCEOLA...CHARITON...ALBIA...OTTUMWA...BEDFORD...
LENOX...NEW MARKET...MOUNT AYR...LAMONI...LEON...CORYDON...
SEYMOUR...ALLERTON...HUMESTON...CENTERVILLE...BLOOMFIELD
730 PM CST SAT JAN 3 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
SUNDAY...

* SHORT TERM TRENDS...SNOW AND STRONG WINDS WILL SPREAD ACROSS 
  THE AREA BY MIDNIGHT AND PERSIST THROUGH THE EARLY MORNING 
  HOURS. 

* STORM TOTAL SNOW ACCUMULATIONS...GENERALLY 1 TO 2 INCHES.

* WINDS/VISIBILITY...NORTHWEST INCREASING TO 25 TO 30 MPH WITH 
  GUSTS TO NEAR 40 MPH AT TIMES. VISIBILITIES MAY REDUCED TO A 
  HALF MILE OR LESS AT TIMES WHILE SNOW IS FALLING AND BLOWING. 

* IMPACTS...LOW VISIBILITY...STRONG WINDS...AND SLICK ROADS WILL 
  MAKE TRAVEL HAZARDOUS. DANGEROUS WIND CHILLS ARE ALSO EXPECTED 
  LATE TONIGHT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

ANY REPORTS OF SNOW AND BLOWING SNOW ARE MUCH APPRECIATED AND CAN
BE RELAYED DIRECTLY TO THE NATIONAL WEATHER SERVICE USING TWITTER
HANDLE NWS DES MOINES...HASHTAG NWSDMX OR POST TO THE NWS DES
MOINES FACEBOOK PAGE.

&&

$$
440 
WWUS43 KDMX 040359
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
959 PM CST SAT JAN 3 2015

...DETERIORATING WEATHER OVERNIGHT...BLIZZARD CONDITIONS
FAR NORTHWEST...

A SHARP COLD FRONT WILL BRING SNOW...STRONG WINDS...BLOWING
SNOW...AND PLUMMETING TEMPERATURES WITH DANGEROUS WIND CHILLS
OVERNIGHT.

IAZ004>006-015-041200-
/O.CON.KDMX.BZ.W.0001.000000T0000Z-150104T0700Z/
/O.CON.KDMX.WW.Y.0002.150104T0700Z-150104T1200Z/
EMMET-KOSSUTH-WINNEBAGO-PALO ALTO-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
LAKE MILLS...EMMETSBURG
959 PM CST SAT JAN 3 2015

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 1 AM CST SUNDAY...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 AM TO 6 AM
CST SUNDAY...

* SHORT TERM TRENDS...SNOW WILL CONTINUE TO EXPAND AND FALL ACROSS
  THE WARNING AREA THROUGH MIDNIGHT. WHITEOUT CONDITIONS CAN BE
  EXPECTED...ESPECIALLY IN RURAL AND OPEN AREAS. TRAVEL WILL
  BECOME LIFE-THREATENING IN THESE LOCATIONS. SNOWFALL RATES WILL
  GENERALLY BE AROUND ONE HALF INCH PER HOUR.

* STORM TOTAL SNOW/ICE ACCUMULATIONS...UP TO 2 INCHES OF SNOW.

* WINDS/VISIBILITY...NORTHWEST AROUND 30 MPH WITH GUSTS TO NEAR 
  40 MPH. VISIBILITY WILL BE LESS THAN A QUARTER MILE WHILE SNOW 
  IS FALLING...AND NEAR ZERO AT TIMES. 

* IMPACTS...LOW VISIBILITIES...STRONG WINDS...AND SLICK ROADS 
  WILL MAKE TRAVEL LIFE THREATENING. DANGEROUS WIND CHILLS ARE 
  ALSO EXPECTED LATE TONIGHT. 

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.

ANY REPORTS OF SNOW AND BLOWING SNOW ARE MUCH APPRECIATED AND CAN
BE RELAYED DIRECTLY TO THE NATIONAL WEATHER SERVICE USING TWITTER
HANDLE NWS DES MOINES...HASHTAG NWSDMX OR POST TO THE NWS DES
MOINES FACEBOOK PAGE.

&&

$$

IAZ007-016-017-023>028-033>039-044>050-057>062-070>075-081>086-
092>097-041200-
/O.CON.KDMX.WW.Y.0001.000000T0000Z-150104T1200Z/
WORTH-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-
INCLUDING THE CITIES OF...NORTHWOOD...MANLY...GARNER...BRITT...
KANAWHA...MASON CITY...CLEAR LAKE...POCAHONTAS...LAURENS...
ROLFE...FONDA...GILMORE CITY...HUMBOLDT...EAGLE GROVE...CLARION...
BELMOND...HAMPTON...PARKERSBURG...CLARKSVILLE...SHELL ROCK...
GREENE...APLINGTON...ALLISON...DUMONT...WAVERLY...SAC CITY...
LAKE VIEW...ODEBOLT...WALL LAKE...SCHALLER...EARLY...
ROCKWELL CITY...MANSON...LAKE CITY...POMEROY...FORT DODGE...
WEBSTER CITY...IOWA FALLS...ELDORA...ACKLEY...GRUNDY CENTER...
REINBECK...CONRAD...DIKE...WELLSBURG...WATERLOO...CEDAR FALLS...
DENISON...CARROLL...JEFFERSON...BOONE...AMES...MARSHALLTOWN...
TAMA...TOLEDO...TRAER...DYSART...GLADBROOK...AUDUBON...EXIRA...
GUTHRIE CENTER...PANORA...BAYARD...CASEY...PERRY...WAUKEE...
ADEL...DES MOINES...NEWTON...GRINNELL...ATLANTIC...GREENFIELD...
STUART...ADAIR...FONTANELLE...WINTERSET...EARLHAM...INDIANOLA...
NORWALK...CARLISLE...PELLA...KNOXVILLE...OSKALOOSA...CORNING...
CRESTON...OSCEOLA...CHARITON...ALBIA...OTTUMWA...BEDFORD...
LENOX...NEW MARKET...MOUNT AYR...LAMONI...LEON...CORYDON...
SEYMOUR...ALLERTON...HUMESTON...CENTERVILLE...BLOOMFIELD
959 PM CST SAT JAN 3 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
SUNDAY...

* SHORT TERM TRENDS...SNOW WILL ACROSS WESTERN AND SOUTHERN IOWA
  WILL EXPAND EASTWARD THROUGH 1 AM COVERING MUCH OF CENTRAL IOWA
  BY EARLY MORNING. TRAVEL WILL BECOME HAZARDOUS AS VISIBILITIES
  RAPIDLY DROP IN THE FALLING SNOW AND STRONG NORTHWEST WINDS. 

* STORM TOTAL SNOW ACCUMULATIONS...GENERALLY 1 TO 2 INCHES WITH
  LOCALIZED HIGHER AMOUNTS. 

* WINDS/VISIBILITY...NORTHWEST INCREASING TO 25 TO 30 MPH WITH 
  GUSTS TO NEAR 40 MPH AT TIMES. VISIBILITIES MAY REDUCED TO A 
  HALF MILE OR LESS AT TIMES WHILE SNOW IS FALLING AND BLOWING. 

* IMPACTS...LOW VISIBILITY...STRONG WINDS...AND SLICK ROADS WILL 
  MAKE TRAVEL HAZARDOUS. DANGEROUS WIND CHILLS ARE ALSO EXPECTED 
  LATE TONIGHT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

ANY REPORTS OF SNOW AND BLOWING SNOW ARE MUCH APPRECIATED AND CAN
BE RELAYED DIRECTLY TO THE NATIONAL WEATHER SERVICE USING TWITTER
HANDLE NWS DES MOINES...HASHTAG NWSDMX OR POST TO THE NWS DES
MOINES FACEBOOK PAGE.

&&

$$
520 
WWUS43 KDMX 040652
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
1252 AM CST SUN JAN 4 2015

...SNOW AND BLOWING SNOW ALONG WITH BITTER COLD WILL CONTINUE
OVERNIGHT...

A STRONG COLD FRONT WILL BRING SNOW...STRONG WINDS...BLOWING
SNOW...AND PLUMMETING TEMPERATURES WITH DANGEROUS WIND CHILLS
OVERNIGHT. TRAVEL WILL REMAIN DIFFICULT OVERNIGHT DUE TO VERY LOW
VISIBILITY AND BLOWING SNOW.

IAZ004>006-015-041200-
/O.EXP.KDMX.BZ.W.0001.000000T0000Z-150104T0700Z/
/O.CON.KDMX.WW.Y.0002.150104T0700Z-150104T1200Z/
EMMET-KOSSUTH-WINNEBAGO-PALO ALTO-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
LAKE MILLS...EMMETSBURG
1252 AM CST SUN JAN 4 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST EARLY
THIS MORNING...
...BLIZZARD WARNING WILL EXPIRE AT 1 AM CST EARLY THIS MORNING...

* SHORT TERM TRENDS...SNOW HAS EXPANDED AND CONTINUES FALLING
  ACROSS THE AREA. ONE HALF MILE VISIBILITY CAN BE EXPECTED...
  ESPECIALLY IN RURAL AND OPEN AREAS. TRAVEL WILL GREATLY IN THESE
  LOCATIONS MAINLY DUE TO LOW VISIBILITY. SNOWFALL RATES WILL
  GENERALLY BE AROUND ONE HALF INCH PER HOUR.

* STORM TOTAL SNOW/ICE ACCUMULATIONS...UP TO 2 INCHES OF SNOW.

* WINDS/VISIBILITY...NORTHWEST AROUND 30 MPH WITH GUSTS TO NEAR 40
  MPH. VISIBILITY WILL BE LESS THAN A HALF MILE WHILE SNOW IS
  FALLING...AND FOR BRIEF PERIODS NEAR ZERO AT TIMES.

* IMPACTS...VERY LOW VISIBILITY...STRONG WINDS...AND SLICK ROADS
  WILL MAKE TRAVEL VERY DIFFICULT. DANGEROUS WIND CHILLS ARE ALSO
  EXPECTED THROUGH THE MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

ANY REPORTS OF SNOW ACCUMULATIONS ARE MUCH APPRECIATED AND CAN BE
RELAYED DIRECTLY TO THE NATIONAL WEATHER SERVICE USING TWITTER
HANDLE NWS DES MOINES...HASHTAG NWSDMX OR POST TO THE NWS DES
MOINES FACEBOOK PAGE.

&&

$$

IAZ007-016-017-023>028-033>039-044>050-057>062-070>075-081>086-
092>097-041200-
/O.CON.KDMX.WW.Y.0001.000000T0000Z-150104T1200Z/
WORTH-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-
INCLUDING THE CITIES OF...NORTHWOOD...MANLY...GARNER...BRITT...
KANAWHA...MASON CITY...CLEAR LAKE...POCAHONTAS...LAURENS...
ROLFE...FONDA...GILMORE CITY...HUMBOLDT...EAGLE GROVE...CLARION...
BELMOND...HAMPTON...PARKERSBURG...CLARKSVILLE...SHELL ROCK...
GREENE...APLINGTON...ALLISON...DUMONT...WAVERLY...SAC CITY...
LAKE VIEW...ODEBOLT...WALL LAKE...SCHALLER...EARLY...
ROCKWELL CITY...MANSON...LAKE CITY...POMEROY...FORT DODGE...
WEBSTER CITY...IOWA FALLS...ELDORA...ACKLEY...GRUNDY CENTER...
REINBECK...CONRAD...DIKE...WELLSBURG...WATERLOO...CEDAR FALLS...
DENISON...CARROLL...JEFFERSON...BOONE...AMES...MARSHALLTOWN...
TAMA...TOLEDO...TRAER...DYSART...GLADBROOK...AUDUBON...EXIRA...
GUTHRIE CENTER...PANORA...BAYARD...CASEY...PERRY...WAUKEE...
ADEL...DES MOINES...NEWTON...GRINNELL...ATLANTIC...GREENFIELD...
STUART...ADAIR...FONTANELLE...WINTERSET...EARLHAM...INDIANOLA...
NORWALK...CARLISLE...PELLA...KNOXVILLE...OSKALOOSA...CORNING...
CRESTON...OSCEOLA...CHARITON...ALBIA...OTTUMWA...BEDFORD...
LENOX...NEW MARKET...MOUNT AYR...LAMONI...LEON...CORYDON...
SEYMOUR...ALLERTON...HUMESTON...CENTERVILLE...BLOOMFIELD
1252 AM CST SUN JAN 4 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST EARLY
THIS MORNING...

* SHORT TERM TRENDS...SNOW CONTINUES TO EXPAND OVER ALL OF CENTRAL
  IOWA AND WILL REMAIN LIGHT TO MODERATE IN INTENSITY THROUGH 3
  AM. TRAVEL WILL BECOME HAZARDOUS AS VISIBILITY RAPIDLY DROPS IN
  THE FALLING SNOW AND STRONG NORTHWEST WINDS.

* STORM TOTAL SNOW ACCUMULATIONS...GENERALLY 1 TO 2 INCHES WITH 
  LOCALIZED HIGHER AMOUNTS. 

* WINDS/VISIBILITY...NORTHWEST INCREASING TO 25 TO 30 MPH WITH
  GUSTS TO NEAR 40 MPH AT TIMES. VISIBILITY MAY REDUCED TO A HALF
  MILE OR LESS AT TIMES WHILE SNOW IS FALLING AND BLOWING. THERE
  MAY BE BRIEF PERIODS OF NEAR ZERO VISIBILITY.

* IMPACTS...VERY LOW VISIBILITY...STRONG WINDS...AND SLICK ROADS
  WILL MAKE TRAVEL HAZARDOUS. DANGEROUS WIND CHILLS ARE ALSO
  EXPECTED LATE TONIGHT.

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.

ANY REPORTS OF SNOW AND BLOWING SNOW ARE MUCH APPRECIATED AND CAN
BE RELAYED DIRECTLY TO THE NATIONAL WEATHER SERVICE USING TWITTER
HANDLE NWS DES MOINES...HASHTAG NWSDMX OR POST TO THE NWS DES
MOINES FACEBOOK PAGE.

&&

$$

REV

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 3, 6:32 PM CSTWinter Weather AdvisoryDMXEmmet, Kossuth, Palo Alto, Winnebago11 hr
Jan 4, 4:00 AM CSTWinter Storm WatchDMXAudubon, Black Hawk, Boone, Bremer, Butler, Calhoun and 31 more24 hr
Jan 4, 6:07 AM CSTWind Chill AdvisoryDMXAdair, Adams, Audubon, Black Hawk, Boone, Bremer and 37 more27 hr
Jan 4, 3:42 PM CSTWinter Storm WarningDMXAudubon, Black Hawk, Boone, Bremer, Butler, Calhoun and 30 more31 hr

Nearby

Blizzard Warnings in Iowa, 2015Every blizzard warning in 2015

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.