Alert archive / South Dakota / Wind Advisories in 2021

Wind Advisory 4, NWS Aberdeen, SD

February 26, 20215 counties in South Dakota

NWS Aberdeen, SD issued this wind advisory at Feb 26, 2021, 4:15 AM CST for 5 counties in South Dakota. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Feb 26, 2021, 4:15 AM CST (10:15 UTC)
Expired
Feb 26, 2021, 12:04 PM CST
In force
8 hr
Issued by
NWS Aberdeen, SD

Counties Codington County, SD, Deuel County, SD, Grant County, SD, Hamlin County, SD, Roberts County, SD

The radar

The Aberdeen radar (KABR), 123 km from the middle of the area, began a volume at 10:17 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, 10.3 hours before the alert went out and 115 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 2021-02-26Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 00:00Z on 2021-02-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 93 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
1947 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
93 m²/s²
0-3 km storm-relative helicity
265 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

732 
WWUS73 KABR 261015
NPWABR

URGENT - WEATHER MESSAGE
National Weather Service Aberdeen SD
415 AM CST Fri Feb 26 2021

SDZ008-020>023-261815-
/O.NEW.KABR.WI.Y.0004.210226T1015Z-210226T1900Z/
Roberts-Codington-Grant-Hamlin-Deuel-
Including the cities of Sisseton, Watertown, Milbank, Hayti, 
and Clear Lake
415 AM CST Fri Feb 26 2021

...WIND ADVISORY IN EFFECT UNTIL 1 PM CST THIS AFTERNOON...

* WHAT...South to southwest winds 25 to 35 mph with gusts up to 
  50 mph.

* WHERE...Roberts, Codington, Grant, Hamlin and Deuel Counties.

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

* IMPACTS...Gusty winds could blow around unsecured objects. A 
  few power outages are possible.

* ADDITIONAL DETAILS...The strongest winds will transition further
  south through the morning. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
1 follow-up statement
785 
WWUS73 KABR 261804
NPWABR

URGENT - WEATHER MESSAGE
National Weather Service Aberdeen SD
1204 PM CST Fri Feb 26 2021

SDZ008-020>023-261915-
/O.CAN.KABR.WI.Y.0004.000000T0000Z-210226T1900Z/
Roberts-Codington-Grant-Hamlin-Deuel-
Including the cities of Sisseton, Watertown, Milbank, Hayti, 
and Clear Lake
1204 PM CST Fri Feb 26 2021

...WIND ADVISORY IS CANCELLED...

The wind is decreasing and will continue to diminish through the 
afternoon. 

$$
tdk

Nearby

Wind Advisories in South Dakota, 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.