Alert archive / Iowa / Wind Chill Advisories in 2016

Wind Chill Advisory 2, NWS Des Moines, IA

January 11, 201625 counties in Iowa

NWS Des Moines, IA issued this wind chill advisory at Jan 11, 2016, 3:49 AM CST for 25 counties in Iowa. It took effect at Jan 12, 2016, 3:00 AM CST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Jan 11, 2016, 3:49 AM CST (09:49 UTC)
In effect from
Jan 12, 2016, 3:00 AM CST
Expired
Jan 12, 2016, 11:56 AM CST
In force
9 hr
Issued by
NWS Des Moines, IA
All 25 counties

Black Hawk County, IA, Boone County, IA, Bremer County, IA, Butler County, IA, Calhoun County, IA, Cerro Gordo County, IA, Emmet County, IA, Franklin County, IA, Grundy County, IA, Hamilton County, IA, Hancock County, IA, Hardin County, IA, Humboldt County, IA, Jasper County, IA, Kossuth County, IA, Marshall County, IA, Palo Alto County, IA, Pocahontas County, IA, Poweshiek County, IA, Story County, IA, Tama County, IA, Webster County, IA, Winnebago County, IA, Worth County, IA, Wright County, IA

The radar

The Des Moines radar (KDMX), 98 km from the middle of the area, began a volume at 09:50 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, 9.8 hours before the alert went out and 250 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 2016-01-11Temperature 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, Minneapolis, MN at 00:00Z on 2016-01-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 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
1013 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
198 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

589 
WWUS43 KDMX 110949
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
349 AM CST MON JAN 11 2016

...ANOTHER BLAST OF ARCTIC AIR LATE TONIGHT...

IAZ004>007-015>017-023>028-111800-
/O.NEW.KDMX.WC.Y.0002.160112T0900Z-160112T1800Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
LAKE MILLS...NORTHWOOD...MANLY...EMMETSBURG...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
349 AM CST MON JAN 11 2016

...WIND CHILL ADVISORY IN EFFECT FROM 3 AM TO NOON CST TUESDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT FROM 3 AM TO NOON CST
TUESDAY. 

* TIMING...LATE TONIGHT INTO TUESDAY MORNING AS TEMPERATURES
  PLUMMET AND STRONG NORTHWEST WINDS PRODUCE BITTERLY COLD WIND
  CHILLS.

* WINDS...NORTHWEST WINDS AT 15 TO 25 MPH WITH GUSTS TO 35 MPH.

* TEMPERATURES/WIND CHILL VALUES...AIR TEMPERATURES WILL FALL FROM
  ZERO TO 5 BELOW ZERO BY DAYBREAK ON TUESDAY WITH LITTLE RECOVERY
  DURING THE MORNING. WIND CHILL VALUES WILL GENERALLY RANGE FROM
  20 TO 25 BELOW WITH SLIGHTLY COLDER READINGS ALONG THE MINNESOTA
  BORDER. 

* IMPACTS...FROSTBITE CAN OCCUR WITHIN 30 MINUTES TO EXPOSED SKIN
  WITH THESE TYPES OF WIND CHILL VALUES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
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.

&&

$$
8 follow-up statements
286 
WWUS43 KDMX 111654
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
1054 AM CST MON JAN 11 2016

...ANOTHER BLAST OF ARCTIC AIR LATE TONIGHT...

IAZ004>007-015>017-023>028-112230-
/O.CON.KDMX.WC.Y.0002.160112T0900Z-160112T1800Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
LAKE MILLS...NORTHWOOD...MANLY...EMMETSBURG...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
1054 AM CST MON JAN 11 2016

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 3 AM TO NOON CST
TUESDAY...

* TIMING...LATE TONIGHT INTO TUESDAY MORNING AS TEMPERATURES 
  PLUMMET AND STRONG NORTHWEST WINDS PRODUCE BITTERLY COLD WIND 
  CHILLS. 

* WINDS...NORTHWEST WINDS AT 15 TO 25 MPH WITH GUSTS TO 35 MPH.

* TEMPERATURES/WIND CHILL VALUES...AIR TEMPERATURES WILL FALL 
  FROM ZERO TO 5 BELOW ZERO BY DAYBREAK ON TUESDAY WITH LITTLE 
  RECOVERY DURING THE MORNING. WIND CHILL VALUES WILL GENERALLY 
  RANGE FROM 20 TO 25 BELOW WITH SLIGHTLY COLDER READINGS ALONG 
  THE MINNESOTA BORDER. 

* IMPACTS...FROSTBITE CAN OCCUR WITHIN 30 MINUTES TO EXPOSED 
  SKIN WITH THESE TYPES OF WIND CHILL VALUES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
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
402 
WWUS43 KDMX 120218
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
818 PM CST MON JAN 11 2016

...ANOTHER BLAST OF ARCTIC AIR LATE TONIGHT...

IAZ004>007-015>017-023>028-121030-
/O.CON.KDMX.WC.Y.0002.160112T0900Z-160112T1800Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
LAKE MILLS...NORTHWOOD...MANLY...EMMETSBURG...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
818 PM CST MON JAN 11 2016

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 3 AM TO NOON CST
TUESDAY...

* TIMING...LATE TONIGHT INTO TUESDAY MORNING.

* WINDS...NORTHWEST WINDS AT 15 TO 25 MPH WITH GUSTS TO 35 MPH.

* TEMPERATURES/WIND CHILL VALUES...AIR TEMPERATURES WILL FALL 
  FROM ZERO TO 5 BELOW ZERO BY DAYBREAK ON TUESDAY WITH LITTLE 
  RECOVERY DURING THE MORNING. WIND CHILL VALUES WILL GENERALLY 
  RANGE FROM 20 TO 25 BELOW WITH SLIGHTLY COLDER READINGS ALONG 
  THE MINNESOTA BORDER. 

* IMPACTS...FROSTBITE CAN OCCUR WITHIN 30 MINUTES TO EXPOSED 
  SKIN WITH THESE TYPES OF WIND CHILL VALUES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
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.

&&

$$

MJB
599 
WWUS43 KDMX 120255
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
855 PM CST MON JAN 11 2016

...ANOTHER BLAST OF ARCTIC AIR TONIGHT...

IAZ004>007-015>017-121000-
/O.NEW.KDMX.WW.Y.0002.160112T0255Z-160112T1000Z/
/O.CON.KDMX.WC.Y.0002.160112T0900Z-160112T1800Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
LAKE MILLS...NORTHWOOD...MANLY...EMMETSBURG...GARNER...BRITT...
KANAWHA...MASON CITY...CLEAR LAKE
855 PM CST MON JAN 11 2016

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 AM CST TUESDAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 3 AM TO NOON CST
TUESDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
WEATHER ADVISORY FOR BLOWING SNOW...WHICH IS IN EFFECT UNTIL 4 AM
CST TUESDAY.

* SHORT TERM TRENDS...LIGHT SNOW AND BLOWING SNOW WILL OCCUR
  BEHIND A COLD FRONT THAT IS MOVING THROUGH NORTH CENTRAL IOWA
  THIS EVENING. GUSTY NORTHWEST WINDS WILL RAPIDLY INCREASE WHICH
  WILL ALLOW VISIBILITIES TO RAPIDLY DECREASE IN THE SNOW AND
  BLOWING SNOW. 

* STORM TOTAL SNOW/ICE ACCUMULATIONS...ACCUMULATIONS LESS THAN ONE
  HALF INCH.

* VISIBILITY...VISIBILITIES AROUND ONE HALF MILE OR LESS.

* WINDS...NORTHWEST WINDS AT 20 TO 30 MPH WITH GUSTS TO 40 MPH.

* TEMPERATURES/WIND CHILL VALUES...AIR TEMPERATURES WILL FALL 
  FROM ZERO TO 5 BELOW ZERO BY DAYBREAK ON TUESDAY WITH LITTLE 
  RECOVERY DURING THE MORNING. WIND CHILL VALUES WILL GENERALLY 
  RANGE FROM 20 TO 25 BELOW WITH SLIGHTLY COLDER READINGS ALONG 
  THE MINNESOTA BORDER. 

* IMPACTS...ROADS MAY QUICKLY BECOME SLICK DUE TO BLOWING AND
  DRIFTING SNOW CAUSING HAZARDOUS TRAVEL CONDITIONS. FROSTBITE
  CAN OCCUR WITHIN 30 MINUTES TO EXPOSED SKIN WITH THESE TYPES OF
  WIND CHILL VALUES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
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.

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.

A WINTER WEATHER ADVISORY FOR SLEET MEANS PERIODS OF SLEET ARE
IMMINENT OR OCCURRING. SLEET MAY CAUSE DRIVING TO BECOME
EXTREMELY DANGEROUS...SO BE PREPARED TO USE CAUTION WHEN
TRAVELING.


&&

$$

IAZ023>028-121000-
/O.CON.KDMX.WC.Y.0002.160112T0900Z-160112T1800Z/
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-
INCLUDING THE CITIES OF...POCAHONTAS...LAURENS...ROLFE...FONDA...
GILMORE CITY...HUMBOLDT...EAGLE GROVE...CLARION...BELMOND...
HAMPTON...PARKERSBURG...CLARKSVILLE...SHELL ROCK...GREENE...
APLINGTON...ALLISON...DUMONT...WAVERLY
855 PM CST MON JAN 11 2016

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 3 AM TO NOON CST
TUESDAY...

* TIMING...LATE TONIGHT INTO TUESDAY MORNING.

* WINDS...NORTHWEST WINDS AT 15 TO 25 MPH WITH GUSTS TO 35 MPH.

* TEMPERATURES/WIND CHILL VALUES...AIR TEMPERATURES WILL FALL 
  FROM ZERO TO 5 BELOW ZERO BY DAYBREAK ON TUESDAY WITH LITTLE 
  RECOVERY DURING THE MORNING. WIND CHILL VALUES WILL GENERALLY 
  RANGE FROM 20 TO 25 BELOW WITH SLIGHTLY COLDER READINGS ALONG 
  THE MINNESOTA BORDER. 

* IMPACTS...FROSTBITE CAN OCCUR WITHIN 30 MINUTES TO EXPOSED 
  SKIN WITH THESE TYPES OF WIND CHILL VALUES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
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.

&&

$$

MJB
263 
WWUS43 KDMX 120358
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
958 PM CST MON JAN 11 2016

...ANOTHER BLAST OF ARCTIC AIR TONIGHT...

IAZ026>028-121000-
/O.EXB.KDMX.WW.Y.0002.160112T0600Z-160112T1000Z/
/O.CON.KDMX.WC.Y.0002.160112T0900Z-160112T1800Z/
FRANKLIN-BUTLER-BREMER-
INCLUDING THE CITIES OF...HAMPTON...PARKERSBURG...CLARKSVILLE...
SHELL ROCK...GREENE...APLINGTON...ALLISON...DUMONT...WAVERLY
958 PM CST MON JAN 11 2016

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 AM CST TUESDAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 3 AM TO NOON CST
TUESDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
WEATHER ADVISORY FOR BLOWING SNOW...WHICH IS IN EFFECT UNTIL 4 AM
CST TUESDAY.

* TIMING...TONIGHT.

* WINDS...NORTHWEST WINDS AT 25 TO 35 MPH WITH GUSTS TO 40 MPH.

* VISIBLITIES...ONE HALF MILE OR LESS DUE TO BLOWING SNOW.

* TEMPERATURES/WIND CHILL VALUES...AIR TEMPERATURES WILL FALL 
  FROM ZERO TO 5 BELOW ZERO BY DAYBREAK ON TUESDAY WITH LITTLE 
  RECOVERY DURING THE MORNING. WIND CHILL VALUES WILL GENERALLY 
  RANGE FROM 20 TO 25 BELOW WITH SLIGHTLY COLDER READINGS ALONG 
  THE MINNESOTA BORDER. 

* IMPACTS...REDUCED VISIBILITIES IN BLOWING AND DRIFTING
  SNOW...SLICK ROADS AND HAZARDOUS TRAVEL CONDITIONS. FROSTBITE
  CAN OCCUR WITHIN 30 MINUTES TO EXPOSED SKIN WITH THESE TYPES OF
  WIND CHILL VALUES.

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.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
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.

&&

$$

IAZ037>039-121000-
/O.EXB.KDMX.WW.Y.0002.160112T0600Z-160112T1000Z/
HARDIN-GRUNDY-BLACK HAWK-
INCLUDING THE CITIES OF...IOWA FALLS...ELDORA...ACKLEY...
GRUNDY CENTER...REINBECK...CONRAD...DIKE...WELLSBURG...WATERLOO...
CEDAR FALLS
958 PM CST MON JAN 11 2016

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 AM CST TUESDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
WEATHER ADVISORY FOR BLOWING SNOW...WHICH IS IN EFFECT UNTIL 4 AM
CST TUESDAY.

* SHORT TERM TRENDS...A COLD FRONT WILL MOVE THROUGH THE AREA
  AROUND MIDNIGHT...BRINGING GUSTY NORTHWEST WINDS AND RAPIDLY
  REDUCING VISIBILITIES IN BLOWING SNOW.

* STORM TOTAL SNOW/ICE ACCUMULATIONS...LITTLE OR NO SNOW
  ACCUMULATIONS

* VISIBILITY...VISIBILITIES AROUND ONE HALF MILE OR LESS.

* WINDS...NORTHWEST WINDS AT 25 TO 35 MPH WITH GUSTS TO 40 MPH.

* TEMPERATURES/WIND CHILL VALUES...AIR TEMPERATURES WILL FALL 
  FROM ZERO TO 5 BELOW ZERO BY DAYBREAK ON TUESDAY WITH LITTLE 
  RECOVERY DURING THE MORNING. WIND CHILL VALUES WILL GENERALLY 
  RANGE FROM 20 TO 25 BELOW WITH SLIGHTLY COLDER READINGS ALONG 
  THE MINNESOTA BORDER. 

* IMPACTS...REDUCED VISIBILITIES AND SLICK ROADS DUE TO BLOWING
  AND DRIFTING SNOW CAUSING HAZARDOUS TRAVEL CONDITIONS. FROSTBITE
  CAN OCCUR WITHIN 30 MINUTES TO EXPOSED SKIN WITH THESE TYPES OF
  WIND CHILL VALUES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
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.

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.


&&

$$

IAZ023>025-121000-
/O.EXA.KDMX.WW.Y.0002.000000T0000Z-160112T1000Z/
/O.CON.KDMX.WC.Y.0002.160112T0900Z-160112T1800Z/
POCAHONTAS-HUMBOLDT-WRIGHT-
INCLUDING THE CITIES OF...POCAHONTAS...LAURENS...ROLFE...FONDA...
GILMORE CITY...HUMBOLDT...EAGLE GROVE...CLARION...BELMOND
958 PM CST MON JAN 11 2016

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 AM CST TUESDAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 3 AM TO NOON CST
TUESDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
WEATHER ADVISORY FOR BLOWING SNOW...WHICH IS IN EFFECT UNTIL 4 AM
CST TUESDAY.

* TIMING...TONIGHT.

* WINDS...NORTHWEST WINDS AT 25 TO 35 MPH WITH GUSTS TO 40 MPH.

* VISIBILITIES...ONE HALF MILE OR LESS AT TIMES.

* TEMPERATURES/WIND CHILL VALUES...AIR TEMPERATURES WILL FALL 
  FROM ZERO TO 5 BELOW ZERO BY DAYBREAK ON TUESDAY WITH LITTLE 
  RECOVERY DURING THE MORNING. WIND CHILL VALUES WILL GENERALLY 
  RANGE FROM 20 TO 25 BELOW WITH SLIGHTLY COLDER READINGS ALONG 
  THE MINNESOTA BORDER. 

* IMPACTS...RAPIDLY REDUCING VISIBILITIES AND SLICK ROADS FROM
  BLOWING AND DRIFTING SNOW CAUSING HAZARDOUS TRAVEL CONDITIONS.
  FROSTBITE CAN OCCUR WITHIN 30 MINUTES TO EXPOSED SKIN WITH
  THESE TYPES OF WIND CHILL VALUES.

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.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
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.

&&

$$

IAZ035-036-121000-
/O.EXA.KDMX.WW.Y.0002.000000T0000Z-160112T1000Z/
WEBSTER-HAMILTON-
INCLUDING THE CITIES OF...FORT DODGE...WEBSTER CITY
958 PM CST MON JAN 11 2016

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 AM CST TUESDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
WEATHER ADVISORY FOR BLOWING SNOW...WHICH IS IN EFFECT UNTIL 4 AM
CST TUESDAY.

* SHORT TERM TRENDS...LIGHT SNOW AND BLOWING SNOW WILL OCCUR 
  BEHIND A COLD FRONT THAT IS MOVING THROUGH NORTH CENTRAL IOWA 
  THIS EVENING. GUSTY NORTHWEST WINDS WILL RAPIDLY INCREASE 
  WHICH WILL ALLOW VISIBILITIES TO RAPIDLY DECREASE IN THE SNOW 
  AND BLOWING SNOW. 

* STORM TOTAL SNOW/ICE ACCUMULATIONS...ACCUMULATIONS LESS THAN 
  ONE HALF INCH. 

* VISIBILITY...VISIBILITIES AROUND ONE HALF MILE OR LESS.

* WINDS...NORTHWEST WINDS AT 20 TO 30 MPH WITH GUSTS TO 40 MPH.

* TEMPERATURES/WIND CHILL VALUES...AIR TEMPERATURES WILL FALL 
  FROM ZERO TO 5 BELOW ZERO BY DAYBREAK ON TUESDAY WITH LITTLE 
  RECOVERY DURING THE MORNING. WIND CHILL VALUES WILL GENERALLY 
  RANGE FROM 20 TO 25 BELOW WITH SLIGHTLY COLDER READINGS ALONG 
  THE MINNESOTA BORDER. 

* IMPACTS...ROADS MAY QUICKLY BECOME SLICK DUE TO BLOWING AND 
  DRIFTING SNOW CAUSING HAZARDOUS TRAVEL CONDITIONS. FROSTBITE 
  CAN OCCUR WITHIN 30 MINUTES TO EXPOSED SKIN WITH THESE TYPES 
  OF WIND CHILL VALUES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
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.

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.


&&

$$

IAZ004>007-015>017-121000-
/O.CON.KDMX.WW.Y.0002.000000T0000Z-160112T1000Z/
/O.CON.KDMX.WC.Y.0002.160112T0900Z-160112T1800Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
LAKE MILLS...NORTHWOOD...MANLY...EMMETSBURG...GARNER...BRITT...
KANAWHA...MASON CITY...CLEAR LAKE
958 PM CST MON JAN 11 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM CST
TUESDAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 3 AM TO NOON CST
TUESDAY...

* SHORT TERM TRENDS...LIGHT SNOW AND BLOWING SNOW WILL OCCUR 
  BEHIND A COLD FRONT THAT IS MOVING THROUGH NORTH CENTRAL IOWA 
  THIS EVENING. GUSTY NORTHWEST WINDS WILL RAPIDLY INCREASE 
  WHICH WILL ALLOW VISIBILITIES TO RAPIDLY DECREASE IN THE SNOW 
  AND BLOWING SNOW. 

* STORM TOTAL SNOW/ICE ACCUMULATIONS...ACCUMULATIONS LESS THAN 
  ONE HALF INCH. 

* VISIBILITY...VISIBILITIES AROUND ONE HALF MILE OR LESS.

* WINDS...NORTHWEST WINDS AT 25 TO 35 MPH WITH GUSTS TO 40 MPH.

* TEMPERATURES/WIND CHILL VALUES...AIR TEMPERATURES WILL FALL 
  FROM ZERO TO 5 BELOW ZERO BY DAYBREAK ON TUESDAY WITH LITTLE 
  RECOVERY DURING THE MORNING. WIND CHILL VALUES WILL GENERALLY 
  RANGE FROM 20 TO 25 BELOW WITH SLIGHTLY COLDER READINGS ALONG 
  THE MINNESOTA BORDER. 

* IMPACTS...ROADS MAY QUICKLY BECOME SLICK DUE TO BLOWING AND 
  DRIFTING SNOW CAUSING HAZARDOUS TRAVEL CONDITIONS. FROSTBITE 
  CAN OCCUR WITHIN 30 MINUTES TO EXPOSED SKIN WITH THESE TYPES 
  OF WIND CHILL VALUES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
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.

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.


&&

$$

MJB
929 
WWUS43 KDMX 120941
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
341 AM CST TUE JAN 12 2016

...BITTER COLD WIND CHILLS THIS MORNING...

IAZ004>007-015>017-023>025-121745-
/O.EXP.KDMX.WW.Y.0002.000000T0000Z-160112T1000Z/
/O.CON.KDMX.WC.Y.0002.000000T0000Z-160112T1800Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
LAKE MILLS...NORTHWOOD...MANLY...EMMETSBURG...GARNER...BRITT...
KANAWHA...MASON CITY...CLEAR LAKE...POCAHONTAS...LAURENS...
ROLFE...FONDA...GILMORE CITY...HUMBOLDT...EAGLE GROVE...CLARION...
BELMOND
341 AM CST TUE JAN 12 2016

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...
...WINTER WEATHER ADVISORY WILL EXPIRE AT 4 AM CST EARLY THIS
MORNING...

* SHORT TERM TRENDS...SCATTERED FLURRIES WILL BE POSSIBLE THROUGH
  SUNRISE WITH STRONG NORTHWEST WINDS. PATCHY BLOWING SNOW WILL
  PERSIST INTO THE MORNING...ESPECIALLY IN RURAL AREAS.
  HOWEVER...PRIMARY CONCERN IS NOW WITH BITTER COLD WIND CHILLS.  

* WINDS...NORTHWEST WINDS AT 15 TO 25 MPH WITH GUSTS TO 35 MPH.

* TEMPERATURES/WIND CHILL VALUES...AIR TEMPERATURES WILL CONTINUE
  TO FALL BELOW ZERO THROUGH DAYBREAK WITH LITTLE RECOVERY DURING
  THE MORNING. WIND CHILL VALUES WILL GENERALLY RANGE FROM 20 TO
  30 BELOW. 

* IMPACTS...FROSTBITE CAN OCCUR WITHIN 30 MINUTES TO EXPOSED SKIN
  WITH THESE TYPES OF WIND CHILL VALUES. THE PATCHY BLOWING SNOW
  WILL CONTINUE TO PRODUCE SLICK AREAS ON ROADS AS WELL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
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.

&&

$$

IAZ035-036-121745-
/O.EXP.KDMX.WW.Y.0002.000000T0000Z-160112T1000Z/
/O.EXA.KDMX.WC.Y.0002.000000T0000Z-160112T1800Z/
WEBSTER-HAMILTON-
INCLUDING THE CITIES OF...FORT DODGE...WEBSTER CITY
341 AM CST TUE JAN 12 2016

...WIND CHILL ADVISORY IN EFFECT UNTIL NOON CST TODAY...
...WINTER WEATHER ADVISORY WILL EXPIRE AT 4 AM CST EARLY THIS
MORNING...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT UNTIL NOON CST TODAY. 

* WINDS...NORTHWEST WINDS AT 15 TO 25 MPH WITH GUSTS TO 35 MPH.

* TEMPERATURES/WIND CHILL VALUES...AIR TEMPERATURES WILL CONTINUE
  TO FALL BELOW ZERO THROUGH DAYBREAK WITH LITTLE RECOVERY DURING
  THE MORNING. WIND CHILL VALUES WILL GENERALLY RANGE FROM 20 TO
  30 BELOW. 

* IMPACTS...FROSTBITE CAN OCCUR WITHIN 30 MINUTES TO EXPOSED SKIN
  WITH THESE TYPES OF WIND CHILL VALUES. THE PATCHY BLOWING SNOW
  WILL CONTINUE TO PRODUCE SLICK AREAS ON ROADS AS WELL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
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.

&&

$$

IAZ026>028-121745-
/O.EXP.KDMX.WW.Y.0002.000000T0000Z-160112T1000Z/
/O.CON.KDMX.WC.Y.0002.000000T0000Z-160112T1800Z/
FRANKLIN-BUTLER-BREMER-
INCLUDING THE CITIES OF...HAMPTON...PARKERSBURG...CLARKSVILLE...
SHELL ROCK...GREENE...APLINGTON...ALLISON...DUMONT...WAVERLY
341 AM CST TUE JAN 12 2016

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...
...WINTER WEATHER ADVISORY WILL EXPIRE AT 4 AM CST EARLY THIS
MORNING...

* SHORT TERM TRENDS...SCATTERED FLURRIES WILL BE POSSIBLE THROUGH
  SUNRISE WITH STRONG NORTHWEST WINDS. PATCHY BLOWING SNOW WILL
  PERSIST INTO THE MORNING...ESPECIALLY IN RURAL AREAS.
  HOWEVER...PRIMARY CONCERN IS NOW WITH BITTER COLD WIND CHILLS. 

* WINDS...NORTHWEST WINDS AT 15 TO 25 MPH WITH GUSTS TO 35 MPH.

* TEMPERATURES/WIND CHILL VALUES...AIR TEMPERATURES WILL CONTINUE
  TO FALL BELOW ZERO THROUGH DAYBREAK WITH LITTLE RECOVERY DURING
  THE MORNING. WIND CHILL VALUES WILL GENERALLY RANGE FROM 20 TO
  30 BELOW. 

* IMPACTS...FROSTBITE CAN OCCUR WITHIN 30 MINUTES TO EXPOSED SKIN
  WITH THESE TYPES OF WIND CHILL VALUES. THE PATCHY BLOWING SNOW
  WILL CONTINUE TO PRODUCE SLICK AREAS ON ROADS AS WELL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
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.

&&

$$

IAZ037>039-121745-
/O.EXP.KDMX.WW.Y.0002.000000T0000Z-160112T1000Z/
/O.EXA.KDMX.WC.Y.0002.000000T0000Z-160112T1800Z/
HARDIN-GRUNDY-BLACK HAWK-
INCLUDING THE CITIES OF...IOWA FALLS...ELDORA...ACKLEY...
GRUNDY CENTER...REINBECK...CONRAD...DIKE...WELLSBURG...WATERLOO...
CEDAR FALLS
341 AM CST TUE JAN 12 2016

...WIND CHILL ADVISORY IN EFFECT UNTIL NOON CST TODAY...
...WINTER WEATHER ADVISORY WILL EXPIRE AT 4 AM CST EARLY THIS
MORNING...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT UNTIL NOON CST TODAY. 

* SHORT TERM TRENDS...SCATTERED FLURRIES WILL BE POSSIBLE THROUGH
  SUNRISE WITH STRONG NORTHWEST WINDS. PATCHY BLOWING SNOW WILL
  PERSIST INTO THE MORNING...ESPECIALLY IN RURAL AREAS.
  HOWEVER...PRIMARY CONCERN IS NOW WITH BITTER COLD WIND CHILLS. 

* WINDS...NORTHWEST WINDS AT 15 TO 25 MPH WITH GUSTS TO 35 MPH.

* TEMPERATURES/WIND CHILL VALUES...AIR TEMPERATURES WILL CONTINUE
  TO FALL BELOW ZERO THROUGH DAYBREAK WITH LITTLE RECOVERY DURING
  THE MORNING. WIND CHILL VALUES WILL GENERALLY RANGE FROM 20 TO
  30 BELOW. 

* IMPACTS...FROSTBITE CAN OCCUR WITHIN 30 MINUTES TO EXPOSED SKIN
  WITH THESE TYPES OF WIND CHILL VALUES. THE PATCHY BLOWING SNOW
  WILL CONTINUE TO PRODUCE SLICK AREAS ON ROADS AS WELL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
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.

&&

$$

IAZ034-121745-
/O.EXA.KDMX.WC.Y.0002.000000T0000Z-160112T1800Z/
CALHOUN-
INCLUDING THE CITIES OF...ROCKWELL CITY...MANSON...LAKE CITY...
POMEROY
341 AM CST TUE JAN 12 2016

...WIND CHILL ADVISORY IN EFFECT UNTIL NOON CST TODAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT UNTIL NOON CST TODAY. 

* WINDS...NORTHWEST WINDS AT 15 TO 25 MPH WITH GUSTS TO 35 MPH.

* TEMPERATURES/WIND CHILL VALUES...AIR TEMPERATURES WILL CONTINUE
  TO FALL BELOW ZERO THROUGH DAYBREAK WITH LITTLE RECOVERY DURING
  THE MORNING. WIND CHILL VALUES WILL GENERALLY RANGE FROM 20 TO
  30 BELOW. 

* IMPACTS...FROSTBITE CAN OCCUR WITHIN 30 MINUTES TO EXPOSED SKIN
  WITH THESE TYPES OF WIND CHILL VALUES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
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.

&&

$$
992 
WWUS43 KDMX 121202
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
602 AM CST TUE JAN 12 2016

...BITTER COLD WIND CHILLS THIS MORNING...

IAZ047>050-061-062-121800-
/O.EXA.KDMX.WC.Y.0002.000000T0000Z-160112T1800Z/
BOONE-STORY-MARSHALL-TAMA-JASPER-POWESHIEK-
INCLUDING THE CITIES OF...BOONE...AMES...MARSHALLTOWN...TAMA...
TOLEDO...TRAER...DYSART...GLADBROOK...NEWTON...GRINNELL
602 AM CST TUE JAN 12 2016

...WIND CHILL ADVISORY IN EFFECT UNTIL NOON CST TODAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT UNTIL NOON CST TODAY. 

* WINDS...NORTHWEST WINDS AT 15 TO 25 MPH WITH GUSTS TO 30 MPH.

* TEMPERATURES/WIND CHILL VALUES...AIR TEMPERATURES AROUND ZERO
  WILL BE COMMON THROUGH MID MORNING WITH LITTLE IMPROVEMENT BY
  MIDDAY. WIND CHILL VALUES WILL GENERALLY RANGE FROM 20 TO 25
  BELOW.

* IMPACTS...FROSTBITE CAN OCCUR WITHIN 30 MINUTES TO EXPOSED 
  SKIN WITH THESE TYPES OF WIND CHILL VALUES. THE PATCHY BLOWING 
  SNOW WILL CONTINUE TO PRODUCE SLICK AREAS ON ROADS AS WELL. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
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>028-034>039-121800-
/O.CON.KDMX.WC.Y.0002.000000T0000Z-160112T1800Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-CALHOUN-WEBSTER-
HAMILTON-HARDIN-GRUNDY-BLACK HAWK-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
LAKE MILLS...NORTHWOOD...MANLY...EMMETSBURG...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...ROCKWELL CITY...
MANSON...LAKE CITY...POMEROY...FORT DODGE...WEBSTER CITY...
IOWA FALLS...ELDORA...ACKLEY...GRUNDY CENTER...REINBECK...
CONRAD...DIKE...WELLSBURG...WATERLOO...CEDAR FALLS
602 AM CST TUE JAN 12 2016

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

* WINDS...NORTHWEST WINDS AT 15 TO 25 MPH WITH GUSTS TO 30 MPH.

* TEMPERATURES/WIND CHILL VALUES...AIR TEMPERATURES WILL BE FROM
  ZERO TO 10 BELOW THROUGH MID MORNING WITH MINOR IMPROVEMENT
  THROUGH MIDDAY. WIND CHILL VALUES WILL GENERALLY RANGE FROM 20
  TO 30 BELOW.

* IMPACTS...FROSTBITE CAN OCCUR WITHIN 30 MINUTES TO EXPOSED 
  SKIN WITH THESE TYPES OF WIND CHILL VALUES. THE PATCHY BLOWING 
  SNOW WILL CONTINUE TO PRODUCE SLICK AREAS ON ROADS AS WELL. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
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.

&&

$$
795 
WWUS43 KDMX 121603
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
1003 AM CST TUE JAN 12 2016

...BITTER COLD WIND CHILLS THIS MORNING...

IAZ023-034-035-047-048-061-062-121715-
/O.CAN.KDMX.WC.Y.0002.000000T0000Z-160112T1800Z/
POCAHONTAS-CALHOUN-WEBSTER-BOONE-STORY-JASPER-POWESHIEK-
INCLUDING THE CITIES OF...POCAHONTAS...LAURENS...ROLFE...FONDA...
GILMORE CITY...ROCKWELL CITY...MANSON...LAKE CITY...POMEROY...
FORT DODGE...BOONE...AMES...NEWTON...GRINNELL
1003 AM CST TUE JAN 12 2016

...WIND CHILL ADVISORY IS CANCELLED...

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

MORNING TEMPERATURES HAVE RISEN SOME AND WINDS HAVE DIMINISHED
ENOUGH TO ALLOW WIND CHILL TEMPERATURES TO CLIMB ABOVE ADVISORY
CRITERIA. WHILE IT WILL STILL BE VERY COLD AND PEOPLE SHOULD STILL 
MINIMIZE EXPOSURE TO THE COLD...THE THREAT OF DANGEROUS WIND
CHILLS HAS DIMINISHED.

$$

IAZ004>007-015>017-024>028-036>039-049-050-121800-
/O.CON.KDMX.WC.Y.0002.000000T0000Z-160112T1800Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-HAMILTON-HARDIN-GRUNDY-
BLACK HAWK-MARSHALL-TAMA-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
LAKE MILLS...NORTHWOOD...MANLY...EMMETSBURG...GARNER...BRITT...
KANAWHA...MASON CITY...CLEAR LAKE...HUMBOLDT...EAGLE GROVE...
CLARION...BELMOND...HAMPTON...PARKERSBURG...CLARKSVILLE...
SHELL ROCK...GREENE...APLINGTON...ALLISON...DUMONT...WAVERLY...
WEBSTER CITY...IOWA FALLS...ELDORA...ACKLEY...GRUNDY CENTER...
REINBECK...CONRAD...DIKE...WELLSBURG...WATERLOO...CEDAR FALLS...
MARSHALLTOWN...TAMA...TOLEDO...TRAER...DYSART...GLADBROOK
1003 AM CST TUE JAN 12 2016

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

* WINDS...NORTHWEST WINDS AT 15 TO 25 MPH WITH GUSTS TO NEAR 30
  MPH.

* TEMPERATURES/WIND CHILL VALUES...AIR TEMPERATURES AROUND ZERO 
  WILL BE COMMON THROUGH MID MORNING WITH LITTLE IMPROVEMENT BY 
  MIDDAY. WIND CHILL VALUES WILL GENERALLY RANGE FROM 20 TO 25 
  BELOW. 

* IMPACTS...FROSTBITE CAN OCCUR WITHIN 30 MINUTES TO EXPOSED 
  SKIN WITH THESE TYPES OF WIND CHILL VALUES. THE PATCHY BLOWING 
  SNOW WILL CONTINUE TO PRODUCE SLICK AREAS ON ROADS AS WELL. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
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.

&&

$$

FAB
150 
WWUS43 KDMX 121756
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
1156 AM CST TUE JAN 12 2016

.WIND SPEEDS WILL DIMINISH SOME AND BECOME LESS GUSTY AND
TEMPERATURES WILL CONTINUE TO SLOWLY CLIMB HOWEVER IT WILL STILL
BE VERY COLD TODAY...DESPITE ADVISORY CRITERIA CONDITIONS NOT
BEING MET.

IAZ004>007-015>017-024>028-036>039-049-050-121900-
/O.CAN.KDMX.WC.Y.0002.000000T0000Z-160112T1800Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-HAMILTON-HARDIN-GRUNDY-
BLACK HAWK-MARSHALL-TAMA-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
LAKE MILLS...NORTHWOOD...MANLY...EMMETSBURG...GARNER...BRITT...
KANAWHA...MASON CITY...CLEAR LAKE...HUMBOLDT...EAGLE GROVE...
CLARION...BELMOND...HAMPTON...PARKERSBURG...CLARKSVILLE...
SHELL ROCK...GREENE...APLINGTON...ALLISON...DUMONT...WAVERLY...
WEBSTER CITY...IOWA FALLS...ELDORA...ACKLEY...GRUNDY CENTER...
REINBECK...CONRAD...DIKE...WELLSBURG...WATERLOO...CEDAR FALLS...
MARSHALLTOWN...TAMA...TOLEDO...TRAER...DYSART...GLADBROOK
1156 AM CST TUE JAN 12 2016

...WIND CHILL ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DES MOINES WILL ALLOW THE WIND
CHILL ADVISORY TO EXPIRE AT NOON.
  
ALTHOUGH WIND CHILL VALUES WILL HOVER NEAR 20 BELOW AT NOON...
CONDITIONS WILL CONTINUE TO IMPROVE AND ADVISORY CRITERIA WIND
CHILL VALUES WILL NOT BE MET BY EARLY AFTERNOON. IF YOU MUST GO
OUTSIDE YOU SHOULD STILL DRESS IN LAYERS AND LIMIT YOUR EXPOSURE
TO THE OUTSIDE TO AVOID THE AFFECTS OF THE VERY COLD TEMPERATURES.

$$

FAB

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 11, 3:41 AM CST, 8 minutes earlier.

Area forecast discussion, Jan 11, 3:41 AM CST, 8 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DES MOINES IA
341 AM CST MON JAN 11 2016

.SHORT TERM /TODAY/...
ISSUED AT 341 AM CST MON JAN 11 2016

MAIN FORECAST CONCERN TODAY WAS FOCUSED ON SNOW CHANCES/FLURRIES
THROUGHOUT THE DAY AND TEMPERATURES. QUICK MOVING 500MB SHORTWAVE
AND VORT MAX WILL TRACK ACROSS THE STATE THROUGHOUT THE DAY.
SOUNDINGS ARE SATURATED WITHIN THE SNOW GROWTH REGION WITH WEAK
OMEGA PRESENT IN THIS LAYER LOOKS TO BE ENOUGH TO SPAWN SOME
FLURRIES TODAY. FORCING BECOMES A BIT STRONGER IN THE EAST THIS
AFTERNOON AND HAVE MEASURABLE POPS WITH LIGHT ACCUMULATIONS GOING
PAST 21Z. LOW CONFIDENCE WITH ANY MEASURABLE SNOW ACROSS CENTRAL
TO WESTERN IOWA TODAY WITH LITTLE QPF AND PW AVAILABLE. THE SNOW
RATIOS NEAR 20:1 TODAY AND CERTAINLY CANNOT RULE OUT SOME ISOLATED
LOCATIONS RECEIVING A TENTH OF AN INCH...LEADING TO THE HIGH
POPS/LOW QPF SCENARIO. HOWEVER...ATTM LEFT THE SCATTERED FLURRIES
MENTIONED THROUGH MUCH OF THE DAY DUE THE NATURE OF THE COVERAGE.

FURTHER NORTH AHEAD OF THE NEXT ARCTIC BLAST...SOUNDINGS AGAIN
BECOME SATURATED WITHIN THE DENDRITIC LAYER...AND WITH IT BEING
ALREADY VERY COLD THIS LAYER IS VERY NEAR THE SURFACE. THUS...KEPT
CHANCES GOING FOR SNOW WITH ONLY A DUSTING POSSIBLE. TEMPERATURES
WILL REMAIN COLD TODAY WITH INCREASING CLOUDINESS THIS MORNING AS
THE SHORTWAVE PASSES OVER THE STATE.

.LONG TERM /TONIGHT THROUGH SUNDAY/...
ISSUED AT 341 AM CST MON JAN 11 2016

VARIOUS CONCERNS FOR THE LONGER TERM WITH CHANGEABLE WEATHER
THROUGH NEXT WEEKEND. SHORTWAVE CURRENTLY OVER CENTRAL ALBERTA
WILL RACE QUICKLY SOUTHEAST PUSHING AN ARCTIC BOUNDARY THROUGH THE
STATE TONIGHT. RELATIVELY DEEP DENDRITIC GROWTH ZONE IN THE FAR
NORTHEAST AND WHILE LIFT IS NOT EXACTLY STRONG...IT WONT TAKE MUCH
TO PRODUCE SOME LIGHT SNOW IN OUR NORTHEAST THIS EVENING. FARTHER
WEST...SCATTERED SNOW SHOWERS ARE EXPECTED WITH SOUNDINGS
INDICATING A SHALLOW NEAR SURFACE MIXED LAYER DEVELOPING. THERE
MAY BE BRIEF PERIODS WHERE VISIBILITIES BECOME LOW WITH THE
FALLING SNOW AND STRONG WINDS BUT SUCH EVENTS SHOULD BE SHORT IN
DURATION. SOUNDINGS BEGIN TO DRY SUBSTANTIALLY AFTER MIDNIGHT WITH
PRECIPITATION ENDING LATE TONIGHT IN THE SOUTHEAST. HOWEVER...
STRONG COLD ADVECTION AND SUBSIDENCE ALONG WITH STRONG PRESSURE
RISES WILL LEAD TO DECENT NORTHWEST WINDS OVERNIGHT INTO TUESDAY
MORNING. SOME BLOWING SNOW IS EXPECTED IN FAVORED NORTHERN
LOCATIONS ALTHOUGH MUCH OF THE EXISTING SNOWPACK IS HARDENED BY
PREVIOUS WARM WEATHER WHICH MELTED AND THEN REFROZE THE SNOW. ANY
BLOWING SNOW WILL BE WHATEVER FALLS TODAY INTO THIS EVENING AND
WILL BE HELPED BY THE HARD NEARLY FRICTIONLESS EXISTING SNOWPACK.
IN ADDITION...WITH FALLING TEMPERATURES AND THE STRONG
WINDS...WIND CHILL VALUES WILL DROP INTO ADVISORY CRITERIA ACROSS
THE NORTH LATE TONIGHT INTO TUESDAY MORNING. THEREFORE...AN
ADVISORY HAS BEEN ISSUED FOR THESE AREAS.

VERY COLD TEMPERATURES ARE EXPECTED TUESDAY WITH NEARBY PROXIMITY
OF THE THERMAL TROF. HOWEVER...WARM ADVECTION BEGINS IN EARNEST
TUESDAY NIGHT INTO WEDNESDAY. WILL SEE CLOUDS INCREASE TUESDAY
NIGHT WITH STRONG ISENTROPIC LIFT AND SOME FLURRIES WILL BE
POSSIBLE TOWARD DAYBREAK IN THE NORTHEAST AS A DEEPER COLUMN
BEGINS TO SATURATE. WARMER TEMPERATURES ARE EXPECTED ON WEDNESDAY
INTO THURSDAY WITH A DECENT THERMAL RIDGE BUILDING INTO THE STATE
ALONG WITH MODEST SOUTHWEST SURFACE FLOW. HAVE CONTINUED TO RAISE
TEMPERATURES ON BOTH DAYS. BEYOND THIS POINT...THE FORECAST
BECOMES MUCH MURKIER AS MODELS QUICKLY DIVERGE ON SOLUTIONS. GFS
HAS A SUBSTANTIAL SYSTEM AFFECTING THE STATE ON FRIDAY INTO EARLY
SATURDAY WHILE THE EURO KEEPS THE SYSTEM MUCH FARTHER SOUTHEAST.
HOWEVER...BOTH MODELS AGREE WITH SUBSTANTIAL COOLING INTO THE
WEEKEND WITH ANOTHER ARCTIC SURGE INTO THE REGION.

&&

.AVIATION...11/06Z
ISSUED AT 1132 PM CST SUN JAN 10 2016

SYSTEM PUSHING IN WILL BRING MVFR CEILINGS TO SITES...GENERALLY
REACHING SITES NEAR 12Z AND PERSISTING THROUGH 00Z. MAY BE TOO
AGGRESSIVE WITH IMPROVEMENT TO VFR. MAY SEE -SN AT SITES...BUT
GIVEN EXPECTED SCATTERED NATURE HAVE LEFT MENTION OUT ATTM. WINDS
WILL BE LIGHT...SHIFTING TO THE SOUTH THEN NORTHWEST BEHIND
SYSTEM. WINDS WILL INCREASE AND BECOME GUSTY AT SITES LATE IN
PERIOD...AFTER 00Z.

&&

.DMX WATCHES/WARNINGS/ADVISORIES...
WIND CHILL ADVISORY FROM 3 AM TO NOON CST TUESDAY FOR BREMER-
BUTLER-CERRO GORDO-EMMET-FRANKLIN-HANCOCK-HUMBOLDT-KOSSUTH-PALO
ALTO-POCAHONTAS-WINNEBAGO-WORTH-WRIGHT.

&&

SHORT TERM...PODRAZIK
LONG TERM...COGIL
AVIATION...AWB
Hazardous weather outlook, Jan 10, 3:18 PM CST, 12 hours 31 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DES MOINES IA
318 PM CST SUN JAN 10 2016

IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-
081>086-092>097-112130-
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-
318 PM CST SUN JAN 10 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

STRONG NORTHWEST WINDS ARE EXPECTED LATE MONDAY NIGHT INTO
TUESDAY. BITTER COLD WIND CHILLS WILL ONCE AGAIN BE POSSIBLE
DURING THIS TIME. PATCHY BLOWING SNOW IS ALSO EXPECTED.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

FAB

In the hours before

Special weather statement, Jan 10, 10:12 PM CST, 5 hours 37 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
1012 PM CST SUN JAN 10 2016

IAZ004>007-015>017-023>026-110615-
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
LAKE MILLS...NORTHWOOD...MANLY...EMMETSBURG...GARNER...BRITT...
KANAWHA...MASON CITY...CLEAR LAKE...POCAHONTAS...LAURENS...
ROLFE...FONDA...GILMORE CITY...HUMBOLDT...EAGLE GROVE...CLARION...
BELMOND...HAMPTON
1012 PM CST SUN JAN 10 2016

...BITTERLY COLD WIND CHILL VALUES...

TEMPERATURES IN THE SINGLE DIGITS BELOW ZERO WILL COMBINE WITH
SOUTHWESTERLY WINDS FROM 5 TO 10 MPH TO PRODUCE BITTERLY COLD WIND
CHILL VALUES THROUGH THE LATE EVENING. WIND CHILL VALUES WILL
FALL TO 10 TO 20 DEGREES BELOW ZERO AT TIMES...AND MAY BRIEFLY
FALL LOWER. IF YOU MUST BE OUTSIDE...DRESS IN LAYERS AND BE SURE
TO WEAR A HAT AND GLOVES.

AWB

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 10, 9:08 PM CSTRiver Flood WarningDMXMahaska, Wapello8 days
Jan 10, 9:08 PM CSTRiver Flood WarningDMXDavis, Wapello5 days

Nearby

Wind Chill Advisories in Iowa, 2016Every wind chill advisory in 2016

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.