Alert archive / Iowa / Wind Advisories in 2021

Wind Advisory 4, NWS Sioux Falls, SD

March 13, 202111 counties in Iowa; 10 counties in South Dakota; Dakota County, Dixon County, Nebraska

NWS Sioux Falls, SD issued this wind advisory at Mar 13, 2021, 3:18 PM CST for 11 counties in Iowa; 10 counties in South Dakota; Dakota County, Dixon County, Nebraska. It took effect at Mar 14, 2021, 10:00 AM CDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Mar 13, 2021, 3:18 PM CST (21:18 UTC)
In effect from
Mar 14, 2021, 10:00 AM CDT
Expired
Mar 14, 2021, 6:18 PM CDT
In force
8 hr
Issued by
NWS Sioux Falls, SD
All 23 counties

Buena Vista County, IA, Cherokee County, IA, Clay County, IA, Dickinson County, IA, Ida County, IA, Lyon County, IA, O'Brien County, IA, Osceola County, IA, Plymouth County, IA, Sioux County, IA, Woodbury County, IA, Dakota County, NE, Dixon County, NE, Bon Homme County, SD, Charles Mix County, SD, Clay County, SD, Douglas County, SD, Gregory County, SD, Hutchinson County, SD, Lincoln County, SD, Turner County, SD, Union County, SD, Yankton County, SD

The radar

The Sioux Falls radar (KFSD), 67 km from the middle of the area, began a volume at 21:19 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, 9.3 hours before the alert went out and 187 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.

846 
WWUS73 KFSD 132118
NPWFSD

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
318 PM CST Sat Mar 13 2021

IAZ001>003-012>014-020>022-031-032-NEZ013-014-SDZ050-063>071-
141000-
/O.NEW.KFSD.WI.Y.0004.210314T1500Z-210315T0000Z/
Lyon-Osceola-Dickinson-Sioux-O'Brien-Clay-Plymouth-Cherokee-
Buena Vista-Woodbury-Ida-Dixon-Dakota-Gregory-Charles Mix-Douglas-
Hutchinson-Turner-Lincoln-Bon Homme-Yankton-Union-
318 PM CST Sat Mar 13 2021

...WIND ADVISORY IN EFFECT FROM 10 AM TO 7 PM CDT SUNDAY...

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

* WHERE...Portions of south central and southeast South Dakota, 
  northeast Nebraska and northwest and west central Iowa. This 
  includes the Tribal Lands of the Yankton Sioux Tribal Nation.

* WHEN...From 10 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/siouxfalls
4 follow-up statements
888 
WWUS73 KFSD 140911
NPWFSD

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
411 AM CDT Sun Mar 14 2021

IAZ001>003-012>014-020>022-031-032-NEZ013-014-SDZ050-063>071-
142100-
/O.CON.KFSD.WI.Y.0004.210314T1500Z-210315T0000Z/
Lyon-Osceola-Dickinson-Sioux-O'Brien-Clay-Plymouth-Cherokee-
Buena Vista-Woodbury-Ida-Dixon-Dakota-Gregory-Charles Mix-Douglas-
Hutchinson-Turner-Lincoln-Bon Homme-Yankton-Union-
411 AM CDT Sun Mar 14 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
7 PM CDT THIS EVENING...

* WHAT...East winds 20 to 30 mph with gusts up to 50 mph 
  expected.

* WHERE...Portions of south central and southeast South Dakota, 
  northeast Nebraska and northwest and west central Iowa. This 
  includes the Tribal Lands of the Yankton Sioux Tribal Nation.

* WHEN...From 10 AM this morning to 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/siouxfalls
613 
WWUS73 KFSD 141602
NPWFSD

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
1102 AM CDT Sun Mar 14 2021

IAZ001>003-012>014-020>022-031-032-NEZ013-014-SDZ050-063>071-
150000-
/O.CON.KFSD.WI.Y.0004.000000T0000Z-210315T0000Z/
Lyon-Osceola-Dickinson-Sioux-O'Brien-Clay-Plymouth-Cherokee-
Buena Vista-Woodbury-Ida-Dixon-Dakota-Gregory-Charles Mix-Douglas-
Hutchinson-Turner-Lincoln-Bon Homme-Yankton-Union-
1102 AM 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 50 mph 
  expected.

* WHERE...Portions of south central and southeast South Dakota, 
  northeast Nebraska and northwest and west central Iowa. This 
  includes the Tribal Lands of the Yankton Sioux Tribal Nation.

* 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/siouxfalls
895 
WWUS73 KFSD 142102 AAA
NPWFSD

URGENT - WEATHER MESSAGE...UPDATED
National Weather Service Sioux Falls SD
402 PM CDT Sun Mar 14 2021

IAZ001>003-012>014-020>022-031-032-NEZ013-014-SDZ050-063>071-
150000-
/O.CON.KFSD.WI.Y.0004.000000T0000Z-210315T0000Z/
Lyon-Osceola-Dickinson-Sioux-O'Brien-Clay-Plymouth-Cherokee-
Buena Vista-Woodbury-Ida-Dixon-Dakota-Gregory-Charles Mix-Douglas-
Hutchinson-Turner-Lincoln-Bon Homme-Yankton-Union-
402 PM CDT Sun Mar 14 2021

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

* WHAT...East winds 25 to 30 mph with gusts up to 50 mph.

* WHERE...Portions of south central and southeast South Dakota, 
  northeast Nebraska and northwest and west central Iowa. This 
  includes the Tribal Lands of the Yankton Sioux Tribal Nation.

* 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/siouxfalls
352 
WWUS73 KFSD 142318
NPWFSD

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
618 PM CDT Sun Mar 14 2021

IAZ001>003-012>014-020>022-031-032-NEZ013-014-SDZ050-063>071-
150030-
/O.CAN.KFSD.WI.Y.0004.000000T0000Z-210315T0000Z/
Lyon-Osceola-Dickinson-Sioux-O'Brien-Clay-Plymouth-Cherokee-
Buena Vista-Woodbury-Ida-Dixon-Dakota-Gregory-Charles Mix-Douglas-
Hutchinson-Turner-Lincoln-Bon Homme-Yankton-Union-
618 PM CDT Sun Mar 14 2021

...WIND ADVISORY IS CANCELLED...

Widespread advisory criteria winds have ended. Winds will 
gradually decrease through the evening, although gusts to around 
30-35 mph remain possible. 

$$

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

The office that day

Everything else NWS Sioux Falls, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 13, 3:24 AM CSTWinter Storm WatchFSDBuena Vista, Clay, Dickinson, Lyon, O'Brien, Osceola24 hr

Nearby

Wind Advisories in Iowa, 2021Wind Advisories in South Dakota, 2021Wind Advisories in Nebraska, 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.