Alert archive / South Dakota / Wind Advisories in 2021

Wind Advisory 10, NWS Sioux Falls, SD

October 26, 2021Lyon County, Osceola County, Iowa; 6 counties in Minnesota; 14 counties in South Dakota

NWS Sioux Falls, SD issued this wind advisory at Oct 26, 2021, 3:10 AM CDT for Lyon County, Osceola County, Iowa; 6 counties in Minnesota; 14 counties in South Dakota. It took effect at Oct 26, 2021, 10:00 AM CDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Oct 26, 2021, 3:10 AM CDT (08:10 UTC)
In effect from
Oct 26, 2021, 10:00 AM CDT
Expired
Oct 26, 2021, 7:00 PM CDT
In force
9 hr
Issued by
NWS Sioux Falls, SD
All 22 counties

Lyon County, IA, Osceola County, IA, Lincoln County, MN, Lyon County, MN, Murray County, MN, Nobles County, MN, Pipestone County, MN, Rock County, MN, Beadle County, SD, Brookings County, SD, Davison County, SD, Hanson County, SD, Hutchinson County, SD, Kingsbury County, SD, Lake County, SD, Lincoln County, SD, McCook County, SD, Miner County, SD, Minnehaha County, SD, Moody County, SD, Sanborn County, SD, Turner County, SD

The radar

The Sioux Falls radar (KFSD), 33 km from the middle of the area, began a volume at 08:12 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

Aberdeen, SD (KABR), launched 00:00Z, 8.2 hours before the alert went out and 166 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, Aberdeen, SD at 00:00Z on 2021-10-26Temperature 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, Aberdeen, SD at 00:00Z on 2021-10-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 151 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
1295 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
151 m²/s²
0-3 km storm-relative helicity
337 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

714 
WWUS73 KFSD 260810
NPWFSD

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
310 AM CDT Tue Oct 26 2021

IAZ001-002-MNZ071-072-080-089-097-098-SDZ038>040-053>056-059>062-
065>067-261600-
/O.NEW.KFSD.WI.Y.0010.211026T1500Z-211027T0000Z/
Lyon-Osceola-Lincoln-Murray-Nobles-Pipestone-Rock-Beadle-
Kingsbury-Brookings-Sanborn-Miner-Lake-Moody-Davison-Hanson-
McCook-Minnehaha-Hutchinson-Turner-
310 AM CDT Tue Oct 26 2021

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

* WHAT...Southeast winds 25 to 30 mph with gusts up to 45 mph 
  expected.

* WHERE...Portions of east central and southeast South Dakota, 
  northwest Iowa and southwest Minnesota. This includes the 
  Tribal Lands of the Flandreau Santee 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
2 follow-up statements
571 
WWUS73 KFSD 261524
NPWFSD

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
1024 AM CDT Tue Oct 26 2021

IAZ001-002-MNZ071-072-080-089-097-098-SDZ038>040-053>056-059>062-
065>067-270000-
/O.CON.KFSD.WI.Y.0010.000000T0000Z-211027T0000Z/
Lyon-Osceola-Lincoln-Murray-Nobles-Pipestone-Rock-Beadle-
Kingsbury-Brookings-Sanborn-Miner-Lake-Moody-Davison-Hanson-
McCook-Minnehaha-Hutchinson-Turner-
1024 AM CDT Tue Oct 26 2021

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

* WHAT...Southeast winds 25 to 30 mph with gusts up to 45 mph 
  expected.

* WHERE...Portions of east central and southeast South Dakota, 
  northwest Iowa and southwest Minnesota. This includes the 
  Tribal Lands of the Flandreau Santee 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
740 
WWUS73 KFSD 262350
NPWFSD

URGENT - WEATHER MESSAGE
National Weather Service Sioux Falls SD
650 PM CDT Tue Oct 26 2021

IAZ001-002-MNZ071-072-080-089-097-098-SDZ038>040-053>056-059>062-
065>067-270100-
/O.EXP.KFSD.WI.Y.0010.000000T0000Z-211027T0000Z/
Lyon-Osceola-Lincoln-Murray-Nobles-Pipestone-Rock-Beadle-
Kingsbury-Brookings-Sanborn-Miner-Lake-Moody-Davison-Hanson-
McCook-Minnehaha-Hutchinson-Turner-
650 PM CDT Tue Oct 26 2021

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

Winds and wind gusts have dropped below criteria, and thus the
advisory will be allowed to expire at 7 PM. However, gusts between
30 and 35 mph are still possible tonight.

$$

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

Nearby

Wind Advisories in South Dakota, 2021Wind Advisories in Minnesota, 2021Wind 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.