Alert archive / Iowa / Wind Advisories in 2021

Wind Advisory 3, NWS Des Moines, IA

March 13, 202111 counties in Iowa

NWS Des Moines, IA issued this wind advisory at Mar 13, 2021, 3:09 PM CST for 11 counties in Iowa. It took effect at Mar 14, 2021, 7:00 AM CDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Mar 13, 2021, 3:09 PM CST (21:09 UTC)
In effect from
Mar 14, 2021, 7:00 AM CDT
Expired
Mar 14, 2021, 7:00 PM CDT
In force
12 hr
Issued by
NWS Des Moines, IA

Counties Adair County, IA, Adams County, IA, Audubon County, IA, Carroll County, IA, Cass County, IA, Crawford County, IA, Guthrie County, IA, Ringgold County, IA, Sac County, IA, Taylor County, IA, Union County, IA

The radar

The Des Moines radar (KDMX), 89 km from the middle of the area, began a volume at 21:11 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

Omaha, NE (KOAX), launched 12:00Z, 9.2 hours before the alert went out and 138 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, Omaha, NE at 12:00Z on 2021-03-13Temperature 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, Omaha, NE at 12:00Z on 2021-03-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -52 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
1475 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
-52 m²/s²
0-3 km storm-relative helicity
94 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

544 
WWUS73 KDMX 132109
NPWDMX

URGENT - WEATHER MESSAGE
National Weather Service Des Moines IA
309 PM CST Sat Mar 13 2021

IAZ033-044-045-057-058-070-071-081-082-092-093-140515-
/O.NEW.KDMX.WI.Y.0003.210314T1200Z-210315T0000Z/
Sac-Crawford-Carroll-Audubon-Guthrie-Cass-Adair-Adams-Union-
Taylor-Ringgold-
Including the cities of Sac City, Lake View, Odebolt, Wall Lake, 
Schaller, Early, Denison, Carroll, Audubon, Exira, 
Guthrie Center, Panora, Bayard, Casey, Atlantic, Greenfield, 
Stuart, Adair, Fontanelle, Corning, Creston, Bedford, Lenox, 
New Market, and Mount Ayr
309 PM CST Sat Mar 13 2021

...WIND ADVISORY IN EFFECT FROM 7 AM TO 7 PM CDT SUNDAY...

* WHAT...East winds 20 to 30 mph with gusts up to 45 mph 
  expected.

* WHERE...Western Iowa.

* WHEN...From 7 AM to 7 PM CDT Sunday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

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

Ansorge
4 follow-up statements
167 
WWUS73 KDMX 140846
NPWDMX

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

IAZ033-044-045-057-058-070-071-081-082-092-093-141700-
/O.CON.KDMX.WI.Y.0003.210314T1200Z-210315T0000Z/
Sac-Crawford-Carroll-Audubon-Guthrie-Cass-Adair-Adams-Union-
Taylor-Ringgold-
Including the cities of Sac City, Lake View, Odebolt, Wall Lake, 
Schaller, Early, Denison, Carroll, Audubon, Exira, 
Guthrie Center, Panora, Bayard, Casey, Atlantic, Greenfield, 
Stuart, Adair, Fontanelle, Corning, Creston, Bedford, Lenox, 
New Market, and Mount Ayr
346 AM CDT Sun Mar 14 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 7 AM THIS MORNING TO 7 PM
CDT THIS EVENING...

* WHAT...East winds 20 to 30 mph with gusts up to 45 mph 
  expected.

* WHERE...Western Iowa.

* WHEN...From 7 AM to 7 PM CDT Sunday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

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

Hagenhoff
263 
WWUS73 KDMX 141610
NPWDMX

URGENT - WEATHER MESSAGE
National Weather Service Des Moines IA
1110 AM CDT Sun Mar 14 2021

IAZ033-044-045-057-058-070-071-081-082-092-093-150000-
/O.CON.KDMX.WI.Y.0003.000000T0000Z-210315T0000Z/
Sac-Crawford-Carroll-Audubon-Guthrie-Cass-Adair-Adams-Union-
Taylor-Ringgold-
Including the cities of Sac City, Lake View, Odebolt, Wall Lake, 
Schaller, Early, Denison, Carroll, Audubon, Exira, 
Guthrie Center, Panora, Bayard, Casey, Atlantic, Greenfield, 
Stuart, Adair, Fontanelle, Corning, Creston, Bedford, Lenox, 
New Market, and Mount Ayr
1110 AM CDT Sun Mar 14 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

* WHAT...East winds 20 to 25 mph with gusts up to 45 mph.

* WHERE...Western Iowa.

* WHEN...Until 7 PM CDT this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

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

Ansorge
131 
WWUS73 KDMX 141945
NPWDMX

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

IAZ033-044-045-057-058-070-071-081-082-092-093-150000-
/O.CON.KDMX.WI.Y.0003.000000T0000Z-210315T0000Z/
Sac-Crawford-Carroll-Audubon-Guthrie-Cass-Adair-Adams-Union-
Taylor-Ringgold-
Including the cities of Sac City, Lake View, Odebolt, Wall Lake, 
Schaller, Early, Denison, Carroll, Audubon, Exira, 
Guthrie Center, Panora, Bayard, Casey, Atlantic, Greenfield, 
Stuart, Adair, Fontanelle, Corning, Creston, Bedford, Lenox, 
New Market, and Mount Ayr
245 PM CDT Sun Mar 14 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

* WHAT...East winds 20 to 30 mph with gusts up to 45 mph.

* WHERE...Western Iowa.

* WHEN...Until 7 PM CDT this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

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

Ansorge
037 
WWUS73 KDMX 142358
NPWDMX

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

IAZ033-044-045-057-058-070-071-081-082-092-093-150100-
/O.EXP.KDMX.WI.Y.0003.000000T0000Z-210315T0000Z/
Sac-Crawford-Carroll-Audubon-Guthrie-Cass-Adair-Adams-Union-
Taylor-Ringgold-
Including the cities of Sac City, Lake View, Odebolt, Wall Lake, 
Schaller, Early, Denison, Carroll, Audubon, Exira, 
Guthrie Center, Panora, Bayard, Casey, Atlantic, Greenfield, 
Stuart, Adair, Fontanelle, Corning, Creston, Bedford, Lenox, 
New Market, and Mount Ayr
658 PM CDT Sun Mar 14 2021

...WIND ADVISORY WILL EXPIRE AT 7 PM CDT THIS EVENING...

Gusty winds may surpass 40 mph at times in southwest into west
central Iowa into tonight. However, the threat of widespread
advisory criteria wind gusts is low at this time, thus the
advisory will be allowed to expire. 

$$

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 13, 3:08 AM CSTWinter Storm WatchDMXBlack Hawk, Boone, Bremer, Butler, Calhoun, Cerro Gordo and 17 more24 hr

Nearby

Wind Advisories in Iowa, 2021Every wind advisory 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.