Alert archive / Iowa / Winter Storm Warnings in 2021

Winter Storm Warning 5, NWS Des Moines, IA

March 14, 202120 counties in Iowa

NWS Des Moines, IA issued this winter storm warning at Mar 14, 2021, 4:02 AM CDT for 20 counties in Iowa. It took effect at Mar 15, 2021, 1:00 AM CDT. It was in force for 15 hr. 21 reports came from inside the area while it was in force.

The area

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

The facts

Issued
Mar 14, 2021, 4:02 AM CDT (09:02 UTC)
In effect from
Mar 15, 2021, 1:00 AM CDT
Expired
Mar 15, 2021, 4:00 PM CDT
In force
15 hr
Issued by
NWS Des Moines, IA

Counties Black Hawk 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, Kossuth County, IA, Palo Alto County, IA, Pocahontas County, IA, Sac County, IA, Webster County, IA, Winnebago County, IA, Worth County, IA, Wright County, IA

The radar

The Des Moines radar (KDMX), 118 km from the middle of the area, began a volume at 09:02 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

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

What was reported inside it

TimeReportWhereRemark
Mar 15, 6:00 AM CDTSNOW 2.52 Ene Fort Dodge, IACOCORAHS STATION IA-WB-3 FORT DODGE 1.6 ENE.
Mar 15, 6:00 AM CDTSNOW 3.65 N Swea City, IACO-OP OBSERVER STATION SWEI4 5 N SWEA CITY.
Mar 15, 6:46 AM CDTSNOW 5Algona, IAVIA SOCIAL MEDIA.
Mar 15, 7:00 AM CDTSNOW 21 Ene Webster City, IA
Mar 15, 7:00 AM CDTSNOW 21 N Hampton, IACO-OP OBSERVER STATION HPTI4 HAMPTON.
Mar 15, 7:00 AM CDTSNOW 2.21 Ene Eldora, IACOCORAHS STATION IA-HD-5 ELDORA 1.2 ENE.
Mar 15, 7:00 AM CDTSNOW 3Rockwell City, IACO-OP OBSERVER STATION RKWI4 ROCKWELL CITY.
Mar 15, 7:00 AM CDTSNOW 3Webster City, IACOCORAHS STATION IA-HM-1 WEBSTER CITY 0.5 NW.
Mar 15, 7:00 AM CDTSNOW 3.51 Ese Iowa Falls, IACO-OP OBSERVER STATION IWAI4 IOWA FALLS.
Mar 15, 7:00 AM CDTSNOW 4.51 Nw Burt, IACOCORAHS STATION IA-KS-5 BURT 0.5 NW.
Mar 15, 7:20 AM CDTSNOW 2.51 E Grundy Center, IACO-OP OBSERVER STATION GNDI4 GRUNDY CENTER.
Mar 15, 8:40 AM CDTSNOW 2.5Parkersburg, IA
Mar 15, 9:01 AM CDTSNOW 4Emmetsburg, IAVIA SOCIAL MEDIA.
Mar 15, 9:07 AM CDTSNOW 21 Ne Waterloo, IA
Mar 15, 9:10 AM CDTSNOW 51 Sse Pocahontas, IA
Mar 15, 9:54 AM CDTSNOW 3.51 Nnw Clear Lake, IA
Mar 15, 11:05 AM CDTSNOW 5Dakota City, IA
Mar 15, 11:18 AM CDTSNOW 31 Ne Waterloo, IAUPDATED TOTAL.
Mar 15, 12:33 PM CDTSNOW 4.5Parkersburg, IAUPDATED TOTAL.
Mar 15, 3:00 PM CDTSNOW 8.8Lake Mills, IAVIA BROADCAST MEDIA.
Mar 15, 3:07 PM CDTSNOW 8Manly, IAVIA BROADCAST MEDIA.

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

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 9.0 hours before the alert went out and 229 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 2021-03-14Temperature 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 2021-03-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 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
2151 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
107 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

060 
WWUS43 KDMX 140902
WSWDMX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Des Moines IA
402 AM CDT Sun Mar 14 2021

...Early Spring Storm to Bring Moderate to Heavy Snow to Northern
Iowa Sunday Evening into Monday...

.A strong early spring storm system will impact Iowa today into 
Monday. Rain expanding across the area today will transition to 
snow today night with snow continuing through midday Monday. A 
majority of the snow accumulation will be north of Interstate 80, 
but could be as far south as around Highway 92. Northern Iowa will
see snow accumulations top 4 inches with areas along portions of 
the Iowa/Minnesota border around 8 inches. The heaviest snow will 
fall between midnight and noon Monday, likely impacting the Monday
morning commute, with snow rates over an inch per hour in some 
places.

IAZ004>007-015>017-023>027-141715-
/O.UPG.KDMX.WS.A.0005.210315T0600Z-210315T2300Z/
/O.NEW.KDMX.WS.W.0005.210315T0600Z-210315T2100Z/
Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo-
Pocahontas-Humboldt-Wright-Franklin-Butler-
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,
and Dumont
402 AM CDT Sun Mar 14 2021

...WINTER STORM WARNING IN EFFECT FROM 1 AM TO 4 PM CDT MONDAY...

* WHAT...Heavy wet snow expected. Total snow accumulations of 5 to
  7 inches. Winds could gust as high as 35 mph.

* WHERE...Portions of northern Iowa.

* WHEN...From 1 AM to 4 PM CDT Monday.

* IMPACTS...Travel could be very difficult. The hazardous 
  conditions could impact the morning or evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

IAZ028-034>039-047>050-141715-
/O.UPG.KDMX.WS.A.0005.210315T0600Z-210315T2300Z/
/O.NEW.KDMX.WW.Y.0013.210315T0600Z-210315T2100Z/
Bremer-Calhoun-Webster-Hamilton-Hardin-Grundy-Black Hawk-Boone-
Story-Marshall-Tama-
Including the cities of Waverly, Rockwell City, Manson, 
Lake City, Pomeroy, Fort Dodge, Webster City, Iowa Falls, Eldora,
Ackley, Grundy Center, Reinbeck, Conrad, Dike, Wellsburg, 
Waterloo, Cedar Falls, Boone, Ames, Marshalltown, Tama, Toledo, 
Traer, Dysart, and Gladbrook
402 AM CDT Sun Mar 14 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 1 AM TO 4 PM CDT
MONDAY...

* WHAT...Wet snow expected. Total snow accumulations of 3 to 5
  inches. Winds could gust as high as 35 mph.

* WHERE...Portions of central Iowa.

* WHEN...From 1 AM to 4 PM CDT Monday.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions could impact the morning or evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

IAZ033-044>046-057>062-141715-
/O.NEW.KDMX.WW.Y.0013.210315T0600Z-210315T2100Z/
Sac-Crawford-Carroll-Greene-Audubon-Guthrie-Dallas-Polk-Jasper-
Poweshiek-
Including the cities of Sac City, Lake View, Odebolt, Wall Lake, 
Schaller, Early, Denison, Carroll, Jefferson, Audubon, Exira, 
Guthrie Center, Panora, Bayard, Casey, Perry, Waukee, Adel, 
Des Moines, Newton, and Grinnell
402 AM CDT Sun Mar 14 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 1 AM TO 4 PM CDT
MONDAY...

* WHAT...Wet snow expected. Total snow accumulations of 2 to 4 
  inches. Winds could gust as high as 35 mph.

* WHERE...Portions of central Iowa.

* WHEN...From 1 AM to 4 PM CDT Monday.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions could impact the morning or evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

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

Hagenhoff
7 follow-up statements
380 
WWUS43 KDMX 141616
WSWDMX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Des Moines IA
1116 AM CDT Sun Mar 14 2021

...Early Spring Storm to Bring Moderate to Heavy Snow to Northern
Iowa Late Tonight into Monday...

.A strong early spring storm system will impact Iowa today into
Monday. Rain expanding across the area today will transition to
snow tonight with snow continuing through midday Monday. A 
majority of the snow accumulation will be north of Interstate 80, 
but some very minor accumulations could be as far south as around
Highway 92. Northern Iowa will see snow accumulations top 4 
inches with areas along portions of the Iowa/Minnesota border 
around 8 inches. The heaviest snow will fall between midnight and 
noon Monday, likely impacting the Monday morning commute, with 
snow rates over an inch per hour in some places.

IAZ004>007-015>017-023>027-150030-
/O.CON.KDMX.WS.W.0005.210315T0600Z-210315T2100Z/
Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo-
Pocahontas-Humboldt-Wright-Franklin-Butler-
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,
and Dumont
1116 AM CDT Sun Mar 14 2021

...WINTER STORM WARNING REMAINS IN EFFECT FROM 1 AM TO 4 PM CDT
MONDAY...

* WHAT...Heavy wet snow expected. Total snow accumulations of 5 
  to 7 inches. Winds gusting as high as 35 mph.

* WHERE...Portions of northern Iowa.

* WHEN...From 1 AM to 4 PM CDT Monday.

* IMPACTS...Travel could be very difficult. The hazardous
  conditions will impact the Monday morning and perhaps the Monday 
  evening commute.

* ADDITIONAL DETAILS...Strong winds from the east may cause
  blowing snow, especially later tonight into Monday morning. Snow
  rates are expected to exceed 1 inch per hour at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

IAZ028-033>039-044>050-057>062-150030-
/O.CON.KDMX.WW.Y.0013.210315T0600Z-210315T2100Z/
Bremer-Sac-Calhoun-Webster-Hamilton-Hardin-Grundy-Black Hawk-
Crawford-Carroll-Greene-Boone-Story-Marshall-Tama-Audubon-Guthrie-
Dallas-Polk-Jasper-Poweshiek-
Including the cities of 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, and Grinnell
1116 AM CDT Sun Mar 14 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 AM TO 4 PM
CDT MONDAY...

* WHAT...Wet snow expected. Total snow accumulations of 2 to 4 
  inches. Winds gusting as high as 35 mph.

* WHERE...Portions of central Iowa.

* WHEN...From 1 AM to 4 PM CDT Monday.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions will impact the Monday morning and perhaps the Monday
  evening commute.

* ADDITIONAL DETAILS...Strong winds from the east may cause
  blowing snow, especially later tonight into Monday morning. Snow
  rates are expected to exceed 1 inch per hour at times over
  northern Iowa.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

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

Ansorge
742 
WWUS43 KDMX 141956
WSWDMX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Des Moines IA
256 PM CDT Sun Mar 14 2021

...Quick Hitting Spring Storm to Bring Moderate to Heavy Snow to 
Northern Iowa Late Tonight into Monday...

.A strong early spring storm system will impact Iowa into Monday.
A majority of the snow accumulation will be north of Interstate 
80, but some very minor accumulations could be as far south as 
around Highway 92. Northern Iowa will see snow accumulations top 6
inches with areas along portions of the Iowa/Minnesota border 
around 8 to 9 inches. The heaviest snow will fall between 
midnight and noon Monday. This will adversely impact the Monday 
morning commute with snow rates over an inch per hour over much of
the warned area late tonight and Monday morning. 

IAZ028-033>039-150400-
/O.UPG.KDMX.WW.Y.0013.210315T0600Z-210315T2100Z/
/O.EXA.KDMX.WS.W.0005.210315T0600Z-210315T2100Z/
Bremer-Sac-Calhoun-Webster-Hamilton-Hardin-Grundy-Black Hawk-
Including the cities of 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, 
and Cedar Falls
256 PM CDT Sun Mar 14 2021

...WINTER STORM WARNING IN EFFECT FROM 1 AM TO 4 PM CDT MONDAY...

* WHAT...Heavy, wet snow expected. Total snow accumulations of 5 
  to 8 inches with the highest totals near the Iowa Minnesota 
  border. Winds gusting as high as 35 to 40 mph at times late 
  tonight and early Monday morning.

* WHERE...Northern and Northeast Iowa.

* WHEN...From 1 AM to 4 PM CDT Monday.

* IMPACTS...Travel could be very difficult. The hazardous weather
  will impact the Monday morning and perhaps the Monday evening 
  commute.

* ADDITIONAL DETAILS...Strong winds from the east will cause
  blowing snow, especially later tonight into Monday morning. Snow
  rates are expected to exceed 1.5 inches per hour at times over
  northern Iowa. Visibility may lower to 1/2 mile or less at
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

IAZ004>007-015>017-023>027-150400-
/O.CON.KDMX.WS.W.0005.210315T0600Z-210315T2100Z/
Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo-
Pocahontas-Humboldt-Wright-Franklin-Butler-
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,
and Dumont
256 PM CDT Sun Mar 14 2021

...WINTER STORM WARNING REMAINS IN EFFECT FROM 1 AM TO 4 PM CDT
MONDAY...

* WHAT...Heavy wet snow expected. Total snow accumulations of 5 to
  8 inches. Winds gusting as high as 35 mph.

* WHERE...Portions of northern Iowa.

* WHEN...From 1 AM to 4 PM CDT Monday.

* IMPACTS...Travel could be very difficult. The hazardous 
  conditions will impact the Monday morning and perhaps the 
  Monday evening commute.

* ADDITIONAL DETAILS...Strong winds from the east may cause
  blowing snow, especially later tonight into Monday morning. Snow
  rates are expected to exceed 1.5 inches per hour at times.
  Visibility may lower to 1/2 mile or less at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

IAZ044>050-057>062-150400-
/O.CON.KDMX.WW.Y.0013.210315T0600Z-210315T2100Z/
Crawford-Carroll-Greene-Boone-Story-Marshall-Tama-Audubon-Guthrie-
Dallas-Polk-Jasper-Poweshiek-
Including the cities of Denison, Carroll, Jefferson, Boone, Ames,
Marshalltown, Tama, Toledo, Traer, Dysart, Gladbrook, Audubon, 
Exira, Guthrie Center, Panora, Bayard, Casey, Perry, Waukee, 
Adel, Des Moines, Newton, and Grinnell
256 PM CDT Sun Mar 14 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 AM TO 4 PM
CDT MONDAY...

* WHAT...Wet snow expected. Total snow accumulations of 2 to 4 
  inches. Winds gusting as high as 35 mph.

* WHERE...Portions of central Iowa.

* WHEN...From 1 AM to 4 PM CDT Monday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions will impact the Monday morning and perhaps the 
  Monday evening commute.

* ADDITIONAL DETAILS...Strong winds from the east may cause 
  blowing snow, especially later tonight into Monday morning. 
  Snow rates are expected to exceed 1 inch per hour at times 
  over northern Iowa.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/desmoines
893 
WWUS43 KDMX 150158
WSWDMX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Des Moines IA
858 PM CDT Sun Mar 14 2021

...Quick Hitting Spring Storm to Bring Moderate to Heavy Snow to
Northern Iowa Late Tonight into Monday...

.A strong early spring storm system will impact Iowa into Monday.
A majority of the snow accumulation will be north of Interstate
80, but some very minor accumulations could be as far south as
around Highway 92. Northern Iowa will see snow accumulations top
6 inches with areas along portions of the Iowa/Minnesota border
around 8 to 9 inches. The heaviest snow will fall between
midnight and noon Monday. This will adversely impact the Monday
morning commute with snow rates over an inch per hour over much
of the warned area late tonight and Monday morning.

IAZ004>007-015>017-023>028-033>039-151000-
/O.CON.KDMX.WS.W.0005.210315T0600Z-210315T2100Z/
Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo-
Pocahontas-Humboldt-Wright-Franklin-Butler-Bremer-Sac-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, 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, 
and Cedar Falls
858 PM CDT Sun Mar 14 2021

...WINTER STORM WARNING REMAINS IN EFFECT FROM 1 AM TO 4 PM CDT
MONDAY...

* WHAT...Heavy wet snow expected. Total snow accumulations of 5 
  to 8 inches. Winds gusting as high as 35 mph.

* WHERE...Portions of northern Iowa.

* WHEN...From 1 AM to 4 PM CDT Monday.

* IMPACTS...Travel could be very difficult. The hazardous 
  conditions will impact the Monday morning and perhaps the 
  Monday evening commute.

* ADDITIONAL DETAILS...Strong winds from the east may cause 
  blowing snow, especially later tonight into Monday morning. 
  Snow rates are expected to exceed 1.5 inches per hour at 
  times. Visibility may lower to 1/2 mile or less at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

IAZ044>050-057>062-151000-
/O.CON.KDMX.WW.Y.0013.210315T0600Z-210315T2100Z/
Crawford-Carroll-Greene-Boone-Story-Marshall-Tama-Audubon-Guthrie-
Dallas-Polk-Jasper-Poweshiek-
Including the cities of Denison, Carroll, Jefferson, Boone, Ames,
Marshalltown, Tama, Toledo, Traer, Dysart, Gladbrook, Audubon, 
Exira, Guthrie Center, Panora, Bayard, Casey, Perry, Waukee, 
Adel, Des Moines, Newton, and Grinnell
858 PM CDT Sun Mar 14 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 AM TO 4 PM
CDT MONDAY...

* WHAT...Wet snow expected. Total snow accumulations of 2 to 4 
  inches. Winds gusting as high as 35 mph.

* WHERE...Portions of central Iowa.

* WHEN...From 1 AM to 4 PM CDT Monday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions will impact the Monday morning and perhaps the 
  Monday evening commute.

* ADDITIONAL DETAILS...Strong winds from the east may cause 
  blowing snow, especially later tonight into Monday morning. 
  Snow rates are expected to exceed 1 inch per hour at times 
  over northern Iowa.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/desmoines
389 
WWUS43 KDMX 150834
WSWDMX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Des Moines IA
334 AM CDT Mon Mar 15 2021

...Quick Hitting Spring Storm to Bring Moderate to Heavy Snow to
Northern Iowa Late Tonight into Monday...

.A strong early spring storm system continues to move across Iowa
this morning. A majority of the snow accumulation will be north 
of Interstate 80, but some minor accumulation has occurred 
towards the highway 94 corridor already this morning. Northern 
Iowa will see snow accumulations exceed 6 inches with areas. The 
heaviest snow will fall before noon today, impacting the morning 
commute with snow rates over an inch per hour over much of the 
warned area.

IAZ004>007-015>017-023>028-033>039-151645-
/O.CON.KDMX.WS.W.0005.000000T0000Z-210315T2100Z/
Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo-
Pocahontas-Humboldt-Wright-Franklin-Butler-Bremer-Sac-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, 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, 
and Cedar Falls
334 AM CDT Mon Mar 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM CDT THIS
AFTERNOON...

* WHAT...Heavy wet snow expected. Total snow accumulations of 5 
  to 8 inches. Winds gusting as high as 35 mph.

* WHERE...Portions of northern Iowa.

* WHEN...Until 4 PM CDT this afternoon.

* IMPACTS...Travel could be very difficult. The hazardous 
  conditions will impact the Monday morning and perhaps the 
  Monday evening commute.

* ADDITIONAL DETAILS...Strong winds from the east may cause
  blowing snow this morning. Snow rates are expected to exceed 
  1.5 inches per hour at times. Visibility may lower to 1/2 mile 
  or less at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

IAZ044-045-057-058-151500-
/O.EXT.KDMX.WW.Y.0013.000000T0000Z-210315T1500Z/
Crawford-Carroll-Audubon-Guthrie-
Including the cities of Denison, Carroll, Audubon, Exira, 
Guthrie Center, Panora, Bayard, and Casey
334 AM CDT Mon Mar 15 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 10 AM CDT THIS
MORNING...

* WHAT...Wet snow expected. Total snow accumulations of 2 to 4 
  inches. Winds gusting as high as 35 mph.

* WHERE...Portions of central Iowa.

* WHEN...Until 10 AM CDT this morning.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions will impact the Monday morning commute.

* ADDITIONAL DETAILS...Strong winds from the east may cause
  blowing snow. Snow rates are expected to exceed 1 inch per hour
  at times over northern Iowa.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

IAZ046>048-059>061-151645-
/O.EXT.KDMX.WW.Y.0013.000000T0000Z-210315T1800Z/
Greene-Boone-Story-Dallas-Polk-Jasper-
Including the cities of Jefferson, Boone, Ames, Perry, Waukee, 
Adel, Des Moines, and Newton
334 AM CDT Mon Mar 15 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 1 PM CDT THIS
AFTERNOON...

* WHAT...Wet snow expected. Total snow accumulations of 2 to 4 
  inches. Winds gusting as high as 35 mph.

* WHERE...Portions of central Iowa.

* WHEN...Until 1 PM CDT this afternoon.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions will impact the Monday morning commute.

* ADDITIONAL DETAILS...Snow rates are expected to exceed 1 inch 
  per hour at times over northern Iowa.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

IAZ049-050-062-151645-
/O.CON.KDMX.WW.Y.0013.000000T0000Z-210315T2100Z/
Marshall-Tama-Poweshiek-
Including the cities of Marshalltown, Tama, Toledo, Traer, 
Dysart, Gladbrook, and Grinnell
334 AM CDT Mon Mar 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT THIS
AFTERNOON...

* WHAT...Wet snow expected. Total snow accumulations of 2 to 4 
  inches. Winds gusting as high as 35 mph.

* WHERE...Portions of central Iowa.

* WHEN...Until 4 PM CDT this afternoon.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions will impact the Monday morning and perhaps the 
  Monday evening commute.

* ADDITIONAL DETAILS...Strong winds from the east may cause
  blowing snow. Snow rates are expected to exceed 1 inch per hour
  at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

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

Hagenhoff
554 
WWUS43 KDMX 151032
WSWDMX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Des Moines IA
532 AM CDT Mon Mar 15 2021

...Quick Hitting Spring Storm to Bring Moderate to Heavy Snow to
Northern Iowa Late Tonight into Monday...

.A strong early spring storm system continues to move across Iowa
this morning. A majority of the snow accumulation will be north
of Interstate 80, but some minor accumulation has occurred
towards the highway 94 corridor already this morning. Northern
Iowa will see snow accumulations exceed 6 inches with areas. The
heaviest snow will fall before noon today, impacting the morning
commute with snow rates over an inch per hour over much of the
warned area.

IAZ023-033-034-151145-
/O.CAN.KDMX.WS.W.0005.000000T0000Z-210315T2100Z/
Pocahontas-Sac-Calhoun-
Including the cities of Pocahontas, Laurens, Rolfe, Fonda, 
Gilmore City, Sac City, Lake View, Odebolt, Wall Lake, Schaller, 
Early, Rockwell City, Manson, Lake City, and Pomeroy
532 AM CDT Mon Mar 15 2021

...WINTER STORM WARNING IS CANCELLED...

Snow has come to an end across the area, thus the Winter Storm
Warning has been cancelled. Slicks spots this morning may cause
continued issues on area roads through the morning commute.

$$

IAZ046-047-059-060-151145-
/O.CAN.KDMX.WW.Y.0013.000000T0000Z-210315T1800Z/
Greene-Boone-Dallas-Polk-
Including the cities of Jefferson, Boone, Perry, Waukee, Adel, 
and Des Moines
532 AM CDT Mon Mar 15 2021

...WINTER WEATHER ADVISORY IS CANCELLED...

Snow has come to an end across the area, thus the Winter Weather
Advisory has been cancelled. Slicks spots this morning may cause 
continued issues on area roads through the morning commute.

$$

IAZ044-045-057-058-151145-
/O.CAN.KDMX.WW.Y.0013.000000T0000Z-210315T1500Z/
Crawford-Carroll-Audubon-Guthrie-
Including the cities of Denison, Carroll, Audubon, Exira, 
Guthrie Center, Panora, Bayard, and Casey
532 AM CDT Mon Mar 15 2021

...WINTER WEATHER ADVISORY IS CANCELLED...

Snow has come to an end across the area, thus the Winter Weather
Advisory has been cancelled. Slicks spots this morning may cause 
continued issues on area roads through the morning commute.


$$

IAZ004>007-015>017-024>028-035>039-151845-
/O.CON.KDMX.WS.W.0005.000000T0000Z-210315T2100Z/
Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo-
Humboldt-Wright-Franklin-Butler-Bremer-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, Humboldt, Eagle Grove, Clarion, Belmond, 
Hampton, Parkersburg, Clarksville, Shell Rock, Greene, Aplington,
Allison, Dumont, Waverly, Fort Dodge, Webster City, Iowa Falls, 
Eldora, Ackley, Grundy Center, Reinbeck, Conrad, Dike, Wellsburg,
Waterloo, and Cedar Falls
532 AM CDT Mon Mar 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM CDT THIS
AFTERNOON...

* WHAT...Heavy wet snow expected. Total snow accumulations of 5 
  to 8 inches. Winds gusting as high as 35 mph.

* WHERE...Portions of northern Iowa.

* WHEN...Until 4 PM CDT this afternoon.

* IMPACTS...Travel could be very difficult. The hazardous 
  conditions will impact the Monday morning and perhaps the 
  Monday evening commute.

* ADDITIONAL DETAILS...Strong winds from the east may cause 
  blowing snow this morning. Snow rates are expected to exceed 
  1.5 inches per hour at times. Visibility may lower to 1/2 mile 
  or less at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

IAZ049-050-062-151845-
/O.CON.KDMX.WW.Y.0013.000000T0000Z-210315T2100Z/
Marshall-Tama-Poweshiek-
Including the cities of Marshalltown, Tama, Toledo, Traer, 
Dysart, Gladbrook, and Grinnell
532 AM CDT Mon Mar 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT THIS
AFTERNOON...

* WHAT...Wet snow expected. Total snow accumulations of 2 to 4 
  inches. Winds gusting as high as 35 mph.

* WHERE...Portions of central Iowa.

* WHEN...Until 4 PM CDT this afternoon.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions will impact the Monday morning and perhaps the 
  Monday evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

IAZ048-061-151800-
/O.CON.KDMX.WW.Y.0013.000000T0000Z-210315T1800Z/
Story-Jasper-
Including the cities of Ames and Newton
532 AM CDT Mon Mar 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT THIS
AFTERNOON...

* WHAT...Wet snow expected. Total snow accumulations of 2 to 4 
  inches. Winds gusting as high as 35 mph.

* WHERE...Portions of central Iowa.

* WHEN...Until 1 PM CDT this afternoon.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions will impact the Monday morning commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

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

Hagenhoff
356 
WWUS43 KDMX 151645
WSWDMX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Des Moines IA
1145 AM CDT Mon Mar 15 2021

...Wind Blown Snow Lingers over Northeast Iowa...

.A strong early spring storm system continues to bring impactful
winter weather through the Upper Mississippi Valley at midday. A 
majority of the additional snow accumulation will be between Mason
City and Waterloo, but periods of freezing drizzle and lingering 
blowing snow are possible just to the west and south.

IAZ026-038-152100-
/O.CAN.KDMX.WS.W.0005.000000T0000Z-210315T2100Z/
/O.EXA.KDMX.WW.Y.0013.000000T0000Z-210315T2100Z/
Franklin-Grundy-
Including the cities of Hampton, Grundy Center, Reinbeck, Conrad,
Dike, and Wellsburg
1145 AM CDT Mon Mar 15 2021

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 PM CDT THIS
AFTERNOON...
...WINTER STORM WARNING IS CANCELLED...

* WHAT...Mixed precipitation. Little additional snow accumulations and
  ice accumulations of a light glaze. Winds gusting as high as 35
  mph.

* WHERE...Portions of northeast Iowa.

* WHEN...Until 4 PM CDT this afternoon.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions could impact at least the start of the evening 
  commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road 
conditions for the state you are calling from can be obtained by 
calling 5 1 1.

&&

$$

IAZ004>006-015-016-024-025-035>037-151745-
/O.CAN.KDMX.WS.W.0005.000000T0000Z-210315T2100Z/
Emmet-Kossuth-Winnebago-Palo Alto-Hancock-Humboldt-Wright-Webster-
Hamilton-Hardin-
Including the cities of Estherville, Algona, Forest City, 
Lake Mills, Emmetsburg, Garner, Britt, Kanawha, Humboldt, 
Eagle Grove, Clarion, Belmond, Fort Dodge, Webster City, 
Iowa Falls, Eldora, and Ackley
1145 AM CDT Mon Mar 15 2021

...WINTER STORM WARNING IS CANCELLED...

Periods of drizzle or freezing drizzle may linger into the
afternoon, but the worst of the winter precipitation has ended for
this event. Roads may remain slick in spots however. Slow down and
plan for extra travel time.

$$

IAZ048-061-151745-
/O.CAN.KDMX.WW.Y.0013.000000T0000Z-210315T1800Z/
Story-Jasper-
Including the cities of Ames and Newton
1145 AM CDT Mon Mar 15 2021

...WINTER WEATHER ADVISORY IS CANCELLED...

Any impactful winter weather has ended for this event, so the
advisory has been cancelled.

$$

IAZ049-062-151745-
/O.CAN.KDMX.WW.Y.0013.000000T0000Z-210315T2100Z/
Marshall-Poweshiek-
Including the cities of Marshalltown and Grinnell
1145 AM CDT Mon Mar 15 2021

...WINTER WEATHER ADVISORY IS CANCELLED...

Periods of drizzle or freezing drizzle may linger into the
afternoon, but the worst of the winter precipitation has ended for
this event.

$$

IAZ007-017-027-028-039-152100-
/O.CON.KDMX.WS.W.0005.000000T0000Z-210315T2100Z/
Worth-Cerro Gordo-Butler-Bremer-Black Hawk-
Including the cities of Northwood, Manly, Mason City, Clear Lake,
Parkersburg, Clarksville, Shell Rock, Greene, Aplington, Allison,
Dumont, Waverly, Waterloo, and Cedar Falls
1145 AM CDT Mon Mar 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM CDT THIS
AFTERNOON...

* WHAT...Moderate to heavy snow into early afternoon, then 
  lingering freezing drizzle. Additional snow accumulations of up 
  to two inches and ice accumulations of a light glaze. Winds 
  gusting as high as 35 mph.

* WHERE...Northeast Iowa.

* WHEN...Until 4 PM CDT this afternoon.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. The latest road conditions
for the state you are calling from can be obtained by calling 5 1
1.

&&

$$

IAZ050-152100-
/O.CON.KDMX.WW.Y.0013.000000T0000Z-210315T2100Z/
Tama-
Including the cities of Tama, Toledo, Traer, Dysart, 
and Gladbrook
1145 AM CDT Mon Mar 15 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT THIS
AFTERNOON...

* WHAT...Periods of drizzle or freezing drizzle. Ice 
  accumulations of a light glaze.

* WHERE...Portions of east central Iowa.

* WHEN...Until 4 PM CDT this afternoon.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions could impact at least the start of the evening 
  commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road 
conditions for the state you are calling from can be obtained by 
calling 5 1 1.

&&

$$

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

Small
122 
WWUS43 KDMX 152041
WSWDMX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Des Moines IA
341 PM CDT Mon Mar 15 2021

...Winter Weather Headlines Will Expire...

.Precipitation has ended, therefore the winter weather headlines
will be allowed to expire.

IAZ007-017-027-028-039-152145-
/O.EXP.KDMX.WS.W.0005.000000T0000Z-210315T2100Z/
Worth-Cerro Gordo-Butler-Bremer-Black Hawk-
Including the cities of Northwood, Manly, Mason City, Clear Lake,
Parkersburg, Clarksville, Shell Rock, Greene, Aplington, Allison,
Dumont, Waverly, Waterloo, and Cedar Falls
341 PM CDT Mon Mar 15 2021

...WINTER STORM WARNING WILL EXPIRE AT 4 PM CDT THIS AFTERNOON...

Precipitation has come to an end and the weather conditions are
improving. A few slick spots are still possible on area roadways.
Please drive with caution. 

$$

Krull

IAZ026-038-050-152145-
/O.EXP.KDMX.WW.Y.0013.000000T0000Z-210315T2100Z/
Franklin-Grundy-Tama-
Including the cities of Hampton, Grundy Center, Reinbeck, Conrad,
Dike, Wellsburg, Tama, Toledo, Traer, Dysart, and Gladbrook
341 PM CDT Mon Mar 15 2021

...WINTER WEATHER ADVISORY WILL EXPIRE AT 4 PM CDT THIS
AFTERNOON...

Precipitation has come to an end and the weather conditions are
improving. A few slick spots are still possible on area roadways.
Please drive with caution.

$$

Krull

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
Mar 14, 4:02 AM CDTWinter Weather AdvisoryDMXAudubon, Black Hawk, Boone, Bremer, Calhoun, Carroll and 16 more36 hr

Nearby

Winter Storm Warnings in Iowa, 2021Every winter storm warning in 2021

Sources

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