Alert archive / Iowa / Wind Chill Warnings in 2020

Wind Chill Warning 2, NWS Des Moines, IA

February 13, 202010 counties in Iowa

NWS Des Moines, IA issued this wind chill warning at Feb 13, 2020, 9:53 AM CST for 10 counties in Iowa. It took effect at Feb 13, 2020, 9:00 PM CST. It was in force for 13 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
Feb 13, 2020, 9:53 AM CST (15:53 UTC)
In effect from
Feb 13, 2020, 9:00 PM CST
Expired
Feb 14, 2020, 10:00 AM CST
In force
13 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 15:52 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 12:00Z, 3.9 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 2020-02-13Temperature 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 2020-02-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -101 square meters per square second.193958Sfc1 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
1310 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
-101 m²/s²
0-3 km storm-relative helicity
-74 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

141 
WWUS43 KDMX 131553
WSWDMX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Des Moines IA
953 AM CST Thu Feb 13 2020

...Dangerously Cold Temperatures Continue Through Friday
Morning...

IAZ047>050-061-062-141600-
/O.CAN.KDMX.WC.Y.0004.000000T0000Z-200213T1800Z/
/O.EXT.KDMX.WC.Y.0005.200213T1553Z-200214T1600Z/
Boone-Story-Marshall-Tama-Jasper-Poweshiek-
Including the cities of Boone, Ames, Marshalltown, Tama, Toledo, 
Traer, Dysart, Gladbrook, Newton, and Grinnell
953 AM CST Thu Feb 13 2020

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 10 AM CST FRIDAY...

* WHAT...Very cold wind chills. Wind chills as low as 20 to 30
  degrees below zero are expected.

* WHERE...Central Iowa.

* WHEN...Until 10 AM CST Friday.

* IMPACTS...The dangerously cold wind chills could cause 
  frostbite on exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$

IAZ004>007-015>017-024>026-141600-
/O.NEW.KDMX.WC.W.0002.200214T0300Z-200214T1600Z/
/O.EXT.KDMX.WC.Y.0004.200213T1800Z-200214T0300Z/
/O.CON.KDMX.WC.W.0001.000000T0000Z-200213T1800Z/
Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo-
Humboldt-Wright-Franklin-
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, 
and Hampton
953 AM CST Thu Feb 13 2020

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY...
...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 9 PM CST THIS
EVENING...
...WIND CHILL WARNING IN EFFECT FROM 9 PM THIS EVENING TO 10 AM
CST FRIDAY...

* WHAT...For the Wind Chill Warnings, dangerously cold wind chills
  of 30 to 35 below zero are expected. For the Wind Chill
  Advisory, wind chills as low as 20 to 30 below zero are
  expected.

* WHERE...Northern Iowa.

* WHEN...For the first Wind Chill Warning, until noon CST today. 
  For the second Wind Chill Warning, from 9 PM this evening to 
  10 AM CST Friday. For the Wind Chill Advisory, until 9 PM CST 
  this evening.

* IMPACTS...The dangerously cold wind chills could cause 
  frostbite on exposed skin in as little as 10 minutes.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing, a hat, and gloves. 


&&

$$

IAZ023-034>037-141600-
/O.EXT.KDMX.WC.Y.0005.200213T1800Z-200214T1600Z/
/O.CON.KDMX.WC.W.0001.000000T0000Z-200213T1800Z/
Pocahontas-Calhoun-Webster-Hamilton-Hardin-
Including the cities of Pocahontas, Laurens, Rolfe, Fonda, 
Gilmore City, Rockwell City, Manson, Lake City, Pomeroy, 
Fort Dodge, Webster City, Iowa Falls, Eldora, and Ackley
953 AM CST Thu Feb 13 2020

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY...
...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 10 AM CST FRIDAY...

* WHAT...For the Wind Chill Warning, dangerously cold wind chills
  of 30 to 35 below zero are expected. For the Wind Chill 
  Advisory, wind chills as low as 20 to 30 below zero are 
  expected.

* WHERE...North-central Iowa.

* WHEN...For the Wind Chill Warning, until noon CST today. For 
  the Wind Chill Advisory, until 10 AM CST Friday.

* IMPACTS...The dangerously cold wind chills could cause 
  frostbite on exposed skin in as little as 10 to 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing, a hat, and gloves. 

&&

$$

IAZ033-141600-
/O.EXA.KDMX.WC.Y.0004.200213T1800Z-200214T1600Z/
/O.CON.KDMX.WC.W.0001.000000T0000Z-200213T1800Z/
Sac-
Including the cities of Sac City, Lake View, Odebolt, Wall Lake, 
Schaller, and Early
953 AM CST Thu Feb 13 2020

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY...
...WIND CHILL ADVISORY IN EFFECT UNTIL 10 AM CST FRIDAY...

* WHAT...For the Wind Chill Warning, dangerously cold wind chills
  of 30 to 35 below zero are expected. For the Wind Chill 
  Advisory, wind chills as low as 20 to 30 below zero are 
  expected.

* WHERE...North-Central Iowa.

* WHEN...For the Wind Chill Warning, until noon CST today. For 
  the Wind Chill Advisory, until 10 AM CST Friday.

* IMPACTS...The dangerously cold wind chills could cause 
  frostbite on exposed skin in as little as 10 to 30 minutes.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing, a hat, and gloves. 

&&

$$

IAZ046-075-141600-
/O.EXT.KDMX.WC.Y.0004.000000T0000Z-200214T1600Z/
Greene-Mahaska-
Including the cities of Jefferson and Oskaloosa
953 AM CST Thu Feb 13 2020

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 10 AM CST FRIDAY...

* WHAT...Very cold wind chills. Wind chills as low as 20 to 30
  degrees below zero expected.

* WHERE...Central Iowa.

* WHEN...Until 10 AM CST Friday.

* IMPACTS...The cold wind chills could cause frostbite on 
  exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$

IAZ044-045-057>060-070>074-081>086-092>097-131800-
/O.CON.KDMX.WC.Y.0004.000000T0000Z-200213T1800Z/
Crawford-Carroll-Audubon-Guthrie-Dallas-Polk-Cass-Adair-Madison-
Warren-Marion-Adams-Union-Clarke-Lucas-Monroe-Wapello-Taylor-
Ringgold-Decatur-Wayne-Appanoose-Davis-
Including the cities of Denison, Carroll, Audubon, Exira, 
Guthrie Center, Panora, Bayard, Casey, Perry, Waukee, Adel, 
Des Moines, Atlantic, Greenfield, Stuart, Adair, Fontanelle, 
Winterset, Earlham, Indianola, Norwalk, Carlisle, Pella, 
Knoxville, Corning, Creston, Osceola, Chariton, Albia, Ottumwa, 
Bedford, Lenox, New Market, Mount Ayr, Lamoni, Leon, Corydon, 
Seymour, Allerton, Humeston, Centerville, and Bloomfield
953 AM CST Thu Feb 13 2020

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

* WHAT...Very cold wind chills. Wind chills as low as 30 below 
  zero.

* WHERE...Central Iowa.

* WHEN...Until noon CST today.

* IMPACTS...The cold wind chills could cause frostbite on 
  exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$

IAZ027-028-038-039-141600-
/O.CON.KDMX.WC.Y.0004.000000T0000Z-200214T1600Z/
Butler-Bremer-Grundy-Black Hawk-
Including the cities of Parkersburg, Clarksville, Shell Rock, 
Greene, Aplington, Allison, Dumont, Waverly, Grundy Center, 
Reinbeck, Conrad, Dike, Wellsburg, Waterloo, and Cedar Falls
953 AM CST Thu Feb 13 2020

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST FRIDAY...

* WHAT...Very cold wind chills. Wind chills as low as 20 to 30
  degrees below zero are expected.

* WHERE...North-central Iowa.

* WHEN...Until 10 AM CST Friday.

* IMPACTS...The dangerously cold wind chills could cause frostbite
  on exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$

Kotenberg

For more information from the National Weather Service 
visit https://weather.gov/desmoines
6 follow-up statements
144 
WWUS43 KDMX 131753
WSWDMX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Des Moines IA
1153 AM CST Thu Feb 13 2020

...Dangerously Cold Temperatures Continue Through Friday
Morning...

IAZ004>007-015>017-024>026-141600-
/O.EXP.KDMX.WC.W.0001.000000T0000Z-200213T1800Z/
/O.CON.KDMX.WC.W.0002.200214T0300Z-200214T1600Z/
/O.CON.KDMX.WC.Y.0004.200213T1800Z-200214T0300Z/
Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo-
Humboldt-Wright-Franklin-
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, 
and Hampton
1153 AM CST Thu Feb 13 2020

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING...
...WIND CHILL WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO
10 AM CST FRIDAY...
...WIND CHILL WARNING WILL EXPIRE AT NOON CST TODAY...

* WHAT...For the Wind Chill Warning, dangerously cold wind chills
  expected as low as 35 below zero expected. For the Wind Chill
  Advisory, very cold wind chills from 20 to 30 below zero
  expected.

* WHERE...Northern Iowa.

* WHEN...Wind Chill Advisory, until 9 PM CST this evening. For the
  Wind Chill Warning, from 9 PM this evening to 10 AM CST Friday.

* IMPACTS...The dangerously cold wind chills could cause 
  frostbite on exposed skin in as little as 10 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing, a hat, and gloves. 

&&

$$

IAZ023-034>037-141600-
/O.EXP.KDMX.WC.W.0001.000000T0000Z-200213T1800Z/
/O.CON.KDMX.WC.Y.0005.200213T1800Z-200214T1600Z/
Pocahontas-Calhoun-Webster-Hamilton-Hardin-
Including the cities of Pocahontas, Laurens, Rolfe, Fonda, 
Gilmore City, Rockwell City, Manson, Lake City, Pomeroy, 
Fort Dodge, Webster City, Iowa Falls, Eldora, and Ackley
1153 AM CST Thu Feb 13 2020

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST FRIDAY...
...WIND CHILL WARNING WILL EXPIRE AT NOON CST TODAY...

* WHAT...Very cold wind chills expected. Wind chills as low as 
  30 below zero.

* WHERE...North-central Iowa.

* WHEN...Until 10 AM CST Friday.

* IMPACTS...The cold wind chills could cause frostbite on 
  exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$

IAZ033-141600-
/O.EXP.KDMX.WC.W.0001.000000T0000Z-200213T1800Z/
/O.CON.KDMX.WC.Y.0004.200213T1800Z-200214T1600Z/
Sac-
Including the cities of Sac City, Lake View, Odebolt, Wall Lake, 
Schaller, and Early
1153 AM CST Thu Feb 13 2020

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST FRIDAY...
...WIND CHILL WARNING WILL EXPIRE AT NOON CST TODAY...

* WHAT...Very cold wind chills expected. Wind chills as low as 
  25 below zero.

* WHERE...North-central Iowa.

* WHEN...Until 10 AM CST Friday.

* IMPACTS...The cold wind chills could cause frostbite on 
  exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$

IAZ044-045-057>060-070>074-081>086-092>097-131900-
/O.EXP.KDMX.WC.Y.0004.000000T0000Z-200213T1800Z/
Crawford-Carroll-Audubon-Guthrie-Dallas-Polk-Cass-Adair-Madison-
Warren-Marion-Adams-Union-Clarke-Lucas-Monroe-Wapello-Taylor-
Ringgold-Decatur-Wayne-Appanoose-Davis-
Including the cities of Denison, Carroll, Audubon, Exira, 
Guthrie Center, Panora, Bayard, Casey, Perry, Waukee, Adel, 
Des Moines, Atlantic, Greenfield, Stuart, Adair, Fontanelle, 
Winterset, Earlham, Indianola, Norwalk, Carlisle, Pella, 
Knoxville, Corning, Creston, Osceola, Chariton, Albia, Ottumwa, 
Bedford, Lenox, New Market, Mount Ayr, Lamoni, Leon, Corydon, 
Seymour, Allerton, Humeston, Centerville, and Bloomfield
1153 AM CST Thu Feb 13 2020

...WIND CHILL ADVISORY WILL EXPIRE AT NOON CST TODAY...

Though the wind chill advisory will expire, very cold wind chills
of 10 to 20 degrees below zero are expected through Friday 
morning. 

The cold wind chills could cause frostbite on exposed 
skin in as little as 30 minutes. Wear appropriate clothing, a
hat, and gloves. 

$$

IAZ027-028-038-039-046-075-141600-
/O.CON.KDMX.WC.Y.0004.000000T0000Z-200214T1600Z/
Butler-Bremer-Grundy-Black Hawk-Greene-Mahaska-
Including the cities of Parkersburg, Clarksville, Shell Rock, 
Greene, Aplington, Allison, Dumont, Waverly, Grundy Center, 
Reinbeck, Conrad, Dike, Wellsburg, Waterloo, Cedar Falls, 
Jefferson, and Oskaloosa
1153 AM CST Thu Feb 13 2020

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST FRIDAY...

* WHAT...Very cold wind chills. Wind chills as low as 30 below 
  zero.

* WHERE...North-central Iowa.

* WHEN...Until 10 AM CST Friday.

* IMPACTS...The dangerously cold wind chills could cause frostbite
  on exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$

IAZ047>050-061-062-141600-
/O.CON.KDMX.WC.Y.0005.000000T0000Z-200214T1600Z/
Boone-Story-Marshall-Tama-Jasper-Poweshiek-
Including the cities of Boone, Ames, Marshalltown, Tama, Toledo, 
Traer, Dysart, Gladbrook, Newton, and Grinnell
1153 AM CST Thu Feb 13 2020

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST FRIDAY...

* WHAT...Very cold wind chills. Wind chills as low as 25 below
  zero.

* WHERE...Central Iowa.

* WHEN...Until 10 AM CST Friday.

* IMPACTS...The cold wind chills could cause frostbite on 
  exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$

Kotenberg

For more information from the National Weather Service visit
https://weather.gov/desmoines
963 
WWUS43 KDMX 132058
WSWDMX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Des Moines IA
258 PM CST Thu Feb 13 2020

...Dangerously Cold Temperatures Continue Through Friday
Morning...

IAZ024>026-140500-
/O.CAN.KDMX.WC.W.0002.200214T0300Z-200214T1600Z/
/O.EXT.KDMX.WC.Y.0004.000000T0000Z-200214T1600Z/
Humboldt-Wright-Franklin-
Including the cities of Humboldt, Eagle Grove, Clarion, Belmond, 
and Hampton
258 PM CST Thu Feb 13 2020

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 10 AM CST FRIDAY...
...WIND CHILL WARNING IS CANCELLED...

* WHAT...For the Wind Chill Warning, dangerously cold wind 
  chills expected as low as 35 below zero expected. For the Wind 
  Chill Advisory, very cold wind chills from 20 to 30 below zero 
  expected.

* WHERE...North central Iowa.

* WHEN...Until 10 AM CST Friday.

* IMPACTS...The dangerously cold wind chills could cause frostbite
  on exposed skin in as little as 10 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$

IAZ004>007-015>017-140500-
/O.CON.KDMX.WC.W.0002.200214T0300Z-200214T1600Z/
/O.CON.KDMX.WC.Y.0004.000000T0000Z-200214T0300Z/
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, and Clear Lake
258 PM CST Thu Feb 13 2020

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING...
...WIND CHILL WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO
10 AM CST FRIDAY...

* WHAT...For the Wind Chill Warning, dangerously cold wind 
  chills expected as low as 35 below zero expected. For the Wind 
  Chill Advisory, very cold wind chills from 20 to 30 below zero 
  expected.

* WHERE...Northern Iowa.

* WHEN...Wind Chill Advisory, until 9 PM CST this evening. For 
  the Wind Chill Warning, from 9 PM this evening to 10 AM CST 
  Friday.

* IMPACTS...The dangerously cold wind chills could cause frostbite
  on exposed skin in as little as 10 minutes.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing, a hat, and gloves. 

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$

IAZ086-097-140500-
/O.EXB.KDMX.WC.Y.0005.200214T0300Z-200214T1600Z/
Wapello-Davis-
Including the cities of Ottumwa and Bloomfield
258 PM CST Thu Feb 13 2020

...WIND CHILL ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 10 AM
CST FRIDAY...

* WHAT...Very cold wind chills expected. Wind chills as low as 
  20 below zero.

* WHERE...Southeast Iowa.

* WHEN...From 9 PM this evening to 10 AM CST Friday.

* IMPACTS...The cold wind chills could cause frostbite on exposed
  skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$

IAZ023-034>037-047>050-061-062-140500-
/O.CON.KDMX.WC.Y.0005.000000T0000Z-200214T1600Z/
Pocahontas-Calhoun-Webster-Hamilton-Hardin-Boone-Story-Marshall-
Tama-Jasper-Poweshiek-
Including the cities of Pocahontas, Laurens, Rolfe, Fonda, 
Gilmore City, Rockwell City, Manson, Lake City, Pomeroy, 
Fort Dodge, Webster City, Iowa Falls, Eldora, Ackley, Boone, 
Ames, Marshalltown, Tama, Toledo, Traer, Dysart, Gladbrook, 
Newton, and Grinnell
258 PM CST Thu Feb 13 2020

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST FRIDAY...

* WHAT...Very cold wind chills. Wind chills as low as 25 below 
  zero.

* WHERE...Central Iowa.

* WHEN...Until 10 AM CST Friday.

* IMPACTS...The cold wind chills could cause frostbite on 
  exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$

IAZ027-028-033-038-039-046-075-140500-
/O.CON.KDMX.WC.Y.0004.000000T0000Z-200214T1600Z/
Butler-Bremer-Sac-Grundy-Black Hawk-Greene-Mahaska-
Including the cities of Parkersburg, Clarksville, Shell Rock, 
Greene, Aplington, Allison, Dumont, Waverly, Sac City, Lake View,
Odebolt, Wall Lake, Schaller, Early, Grundy Center, Reinbeck, 
Conrad, Dike, Wellsburg, Waterloo, Cedar Falls, Jefferson, 
and Oskaloosa
258 PM CST Thu Feb 13 2020

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST FRIDAY...

* WHAT...Very cold wind chills. Wind chills as low as 30 below 
  zero.

* WHERE...North-central Iowa.

* WHEN...Until 10 AM CST Friday.

* IMPACTS...The dangerously cold wind chills could cause frostbite
  on exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$

For more information from the National Weather Service visit
https://weather.gov/desmoines

Hagenhoff
669 
WWUS43 KDMX 132322
WSWDMX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Des Moines IA
522 PM CST Thu Feb 13 2020

...Dangerously Cold Temperatures Continue Through Friday
Morning...

IAZ004>007-015>017-140730-
/O.CON.KDMX.WC.W.0002.200214T0300Z-200214T1600Z/
/O.CON.KDMX.WC.Y.0004.000000T0000Z-200214T0300Z/
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, and Clear Lake
522 PM CST Thu Feb 13 2020

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING...
...WIND CHILL WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO
10 AM CST FRIDAY...

* WHAT...For the Wind Chill Warning, dangerously cold wind chills as
  low as 35 below zero expected. For the Wind Chill Advisory, 
  very cold wind chills from 20 to 30 below zero expected. 

* WHERE...Northern Iowa.

* WHEN...Wind Chill Advisory until 9 PM CST this evening. Wind
  Chill Warning from 9 PM this evening to 10 AM CST Friday.
  

* IMPACTS...The dangerously cold wind chills could cause 
  frostbite on exposed skin in as little as 10 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing and a hat and gloves.

&&

$$

IAZ023-034>037-047>050-061-062-140730-
/O.CON.KDMX.WC.Y.0005.000000T0000Z-200214T1600Z/
Pocahontas-Calhoun-Webster-Hamilton-Hardin-Boone-Story-Marshall-
Tama-Jasper-Poweshiek-
Including the cities of Pocahontas, Laurens, Rolfe, Fonda, 
Gilmore City, Rockwell City, Manson, Lake City, Pomeroy, 
Fort Dodge, Webster City, Iowa Falls, Eldora, Ackley, Boone, 
Ames, Marshalltown, Tama, Toledo, Traer, Dysart, Gladbrook, 
Newton, and Grinnell
522 PM CST Thu Feb 13 2020

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST FRIDAY...

* WHAT...Very cold wind chills as low as 25 below zero expected.

* WHERE...Central Iowa.

* WHEN...Until 10 AM CST Friday.

* IMPACTS...The cold wind chills could cause frostbite on exposed
  skin in as little as 30 minutes. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing and
a hat and gloves.

&&

$$

IAZ024>028-033-038-039-046-075-140730-
/O.CON.KDMX.WC.Y.0004.000000T0000Z-200214T1600Z/
Humboldt-Wright-Franklin-Butler-Bremer-Sac-Grundy-Black Hawk-
Greene-Mahaska-
Including the cities of Humboldt, Eagle Grove, Clarion, Belmond, 
Hampton, Parkersburg, Clarksville, Shell Rock, Greene, Aplington,
Allison, Dumont, Waverly, Sac City, Lake View, Odebolt, 
Wall Lake, Schaller, Early, Grundy Center, Reinbeck, Conrad, 
Dike, Wellsburg, Waterloo, Cedar Falls, Jefferson, and Oskaloosa
522 PM CST Thu Feb 13 2020

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST FRIDAY...

* WHAT...Very cold wind chills as low as 30 below zero expected.

* WHERE...North Central and Northeast Iowa.

* WHEN...Until 10 AM CST Friday.

* IMPACTS...The dangerously cold wind chills could cause 
  frostbite on exposed skin in as little as 30 minutes. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing
and a hat and gloves.

&&

$$

IAZ086-097-140730-
/O.CON.KDMX.WC.Y.0005.200214T0300Z-200214T1600Z/
Wapello-Davis-
Including the cities of Ottumwa and Bloomfield
522 PM CST Thu Feb 13 2020

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING
TO 10 AM CST FRIDAY...

* WHAT...Very cold wind chills as low as 20 below zero expected.

* WHERE...Southeast Iowa.

* WHEN...From 9 PM this evening to 10 AM CST Friday.

* IMPACTS...The dangerously cold wind chills could cause 
  frostbite on exposed skin in as little as 30 minutes. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing and a
hat and gloves.

&&

$$

REV
721 
WWUS43 KDMX 140302
WSWDMX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Des Moines IA
902 PM CST Thu Feb 13 2020

...Dangerously Cold Temperatures Continue Through Friday
Morning...

IAZ004>007-015>017-141115-
/O.EXP.KDMX.WC.Y.0004.000000T0000Z-200214T0300Z/
/O.CON.KDMX.WC.W.0002.000000T0000Z-200214T1600Z/
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, and Clear Lake
902 PM CST Thu Feb 13 2020

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 10 AM CST FRIDAY...

* WHAT...Dangerously cold wind chills. Wind chills as low as 35 
  below zero.

* WHERE...Northern Iowa.

* WHEN...Until 10 AM CST Friday.

* IMPACTS...The dangerously cold wind chills could cause 
  frostbite on exposed skin in as little as 10 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, wear 
appropriate clothing and a hat and gloves.

&&

$$

IAZ023-034>037-047>050-061-062-086-097-141115-
/O.CON.KDMX.WC.Y.0005.000000T0000Z-200214T1600Z/
Pocahontas-Calhoun-Webster-Hamilton-Hardin-Boone-Story-Marshall-
Tama-Jasper-Poweshiek-Wapello-Davis-
Including the cities of Pocahontas, Laurens, Rolfe, Fonda, 
Gilmore City, Rockwell City, Manson, Lake City, Pomeroy, 
Fort Dodge, Webster City, Iowa Falls, Eldora, Ackley, Boone, 
Ames, Marshalltown, Tama, Toledo, Traer, Dysart, Gladbrook, 
Newton, Grinnell, Ottumwa, and Bloomfield
902 PM CST Thu Feb 13 2020

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST FRIDAY...

* WHAT...Very cold wind chills as low as 25 below zero expected.

* WHERE...Central Iowa.

* WHEN...Until 10 AM CST Friday.

* IMPACTS...The cold wind chills could cause frostbite on 
  exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing
and a hat and gloves.

&&

$$

IAZ024>028-033-038-039-046-075-141115-
/O.CON.KDMX.WC.Y.0004.000000T0000Z-200214T1600Z/
Humboldt-Wright-Franklin-Butler-Bremer-Sac-Grundy-Black Hawk-
Greene-Mahaska-
Including the cities of Humboldt, Eagle Grove, Clarion, Belmond, 
Hampton, Parkersburg, Clarksville, Shell Rock, Greene, Aplington,
Allison, Dumont, Waverly, Sac City, Lake View, Odebolt, 
Wall Lake, Schaller, Early, Grundy Center, Reinbeck, Conrad, 
Dike, Wellsburg, Waterloo, Cedar Falls, Jefferson, and Oskaloosa
902 PM CST Thu Feb 13 2020

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST FRIDAY...

* WHAT...Very cold wind chills as low as 30 below zero expected.

* WHERE...North Central and Northeast Iowa.

* WHEN...Until 10 AM CST Friday.

* IMPACTS...The dangerously cold wind chills could cause 
  frostbite on exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing
and a hat and gloves.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/desmoines
700 
WWUS43 KDMX 140927
WSWDMX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Des Moines IA
327 AM CST Fri Feb 14 2020

...Bitter Cold Wind Chills Through Mid Morning...

IAZ004>007-015>017-141600-
/O.CON.KDMX.WC.W.0002.000000T0000Z-200214T1600Z/
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, and Clear Lake
327 AM CST Fri Feb 14 2020

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 10 AM CST THIS
MORNING...

* WHAT...Dangerously cold wind chills with values as low as 35 
  below zero.

* WHERE...Northern Iowa.

* WHEN...Until 10 AM this morning.

* IMPACTS...The dangerously cold wind chills could cause 
  frostbite on exposed skin in as little as 10 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, wear
appropriate clothing and a hat and gloves.

&&

$$

IAZ023-034>037-047>050-061-062-086-097-141600-
/O.CON.KDMX.WC.Y.0005.000000T0000Z-200214T1600Z/
Pocahontas-Calhoun-Webster-Hamilton-Hardin-Boone-Story-Marshall-
Tama-Jasper-Poweshiek-Wapello-Davis-
Including the cities of Pocahontas, Laurens, Rolfe, Fonda, 
Gilmore City, Rockwell City, Manson, Lake City, Pomeroy, 
Fort Dodge, Webster City, Iowa Falls, Eldora, Ackley, Boone, 
Ames, Marshalltown, Tama, Toledo, Traer, Dysart, Gladbrook, 
Newton, Grinnell, Ottumwa, and Bloomfield
327 AM CST Fri Feb 14 2020

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST THIS
MORNING...

* WHAT...Very cold wind chills as low as 30 below zero expected.

* WHERE...Portions of central Iowa.

* WHEN...Until 10 AM this morning.

* IMPACTS...The bitter cold wind chills could cause frostbite on 
  exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing
and a hat and gloves.

&&

$$

IAZ024>028-033-038-039-046-075-141600-
/O.CON.KDMX.WC.Y.0004.000000T0000Z-200214T1600Z/
Humboldt-Wright-Franklin-Butler-Bremer-Sac-Grundy-Black Hawk-
Greene-Mahaska-
Including the cities of Humboldt, Eagle Grove, Clarion, Belmond, 
Hampton, Parkersburg, Clarksville, Shell Rock, Greene, Aplington,
Allison, Dumont, Waverly, Sac City, Lake View, Odebolt, 
Wall Lake, Schaller, Early, Grundy Center, Reinbeck, Conrad, 
Dike, Wellsburg, Waterloo, Cedar Falls, Jefferson, and Oskaloosa
327 AM CST Fri Feb 14 2020

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST THIS
MORNING...

* WHAT...Very cold wind chills as low as 30 below zero expected.

* WHERE...Portions of central and northeast Iowa.

* WHEN...Until 10 AM this morning.

* IMPACTS...The bitter cold wind chills could cause frostbite on 
  exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing
and a hat and gloves.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/desmoines
388 
WWUS43 KDMX 141559
WSWDMX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Des Moines IA
959 AM CST Fri Feb 14 2020

...Wind Chill Headlines To Expire at 10 AM...

.Temperatures across the area will remain cold, but continue to
rise into the teens and 20s through the afternoon.

IAZ004>007-015>017-141700-
/O.EXP.KDMX.WC.W.0002.000000T0000Z-200214T1600Z/
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, and Clear Lake
959 AM CST Fri Feb 14 2020

...WIND CHILL WARNING WILL EXPIRE AT 10 AM CST THIS MORNING...

Temperatures across the area will remain cold, but continue to
rise into the teens and 20s through the afternoon.

$$

IAZ023-034>037-047>050-061-062-086-097-141700-
/O.EXP.KDMX.WC.Y.0005.000000T0000Z-200214T1600Z/
Pocahontas-Calhoun-Webster-Hamilton-Hardin-Boone-Story-Marshall-
Tama-Jasper-Poweshiek-Wapello-Davis-
Including the cities of Pocahontas, Laurens, Rolfe, Fonda, 
Gilmore City, Rockwell City, Manson, Lake City, Pomeroy, 
Fort Dodge, Webster City, Iowa Falls, Eldora, Ackley, Boone, 
Ames, Marshalltown, Tama, Toledo, Traer, Dysart, Gladbrook, 
Newton, Grinnell, Ottumwa, and Bloomfield
959 AM CST Fri Feb 14 2020

...WIND CHILL ADVISORY WILL EXPIRE AT 10 AM CST THIS MORNING...

Temperatures across the area will remain cold, but continue to
rise into the teens and 20s through the afternoon.

$$

IAZ024>028-033-038-039-046-075-141700-
/O.EXP.KDMX.WC.Y.0004.000000T0000Z-200214T1600Z/
Humboldt-Wright-Franklin-Butler-Bremer-Sac-Grundy-Black Hawk-
Greene-Mahaska-
Including the cities of Humboldt, Eagle Grove, Clarion, Belmond, 
Hampton, Parkersburg, Clarksville, Shell Rock, Greene, Aplington,
Allison, Dumont, Waverly, Sac City, Lake View, Odebolt, 
Wall Lake, Schaller, Early, Grundy Center, Reinbeck, Conrad, 
Dike, Wellsburg, Waterloo, Cedar Falls, Jefferson, and Oskaloosa
959 AM CST Fri Feb 14 2020

...WIND CHILL ADVISORY WILL EXPIRE AT 10 AM CST THIS MORNING...

Temperatures across the area will remain cold, but continue to
rise into the teens and 20s through the afternoon.

$$

For more information from the National Weather Service visit
https://weather.gov/desmoines

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 13, 3:27 AM CSTWind Chill AdvisoryDMXBoone, Calhoun, Davis, Hamilton, Hardin, Jasper and 7 more31 hr

Nearby

Wind Chill Warnings in Iowa, 2020Every wind chill warning in 2020

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.