Alert archive / South Dakota / Winter Storm Warnings in 2021

Winter Storm Warning 2, NWS Aberdeen, SD

March 14, 20219 counties in South Dakota

NWS Aberdeen, SD issued this winter storm warning at Mar 14, 2021, 5:55 PM CDT for 9 counties in South Dakota. It was in force for 16 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, 5:55 PM CDT (22:55 UTC)
Expired
Mar 15, 2021, 10:04 AM CDT
In force
16 hr
Issued by
NWS Aberdeen, SD

Counties Buffalo County, SD, Deuel County, SD, Hamlin County, SD, Hand County, SD, Hughes County, SD, Hyde County, SD, Jones County, SD, Lyman County, SD, Stanley County, SD

What was reported inside it

TimeReportWhereRemark
Mar 14, 6:00 PM CDTSNOW 3.51 Nnw Kennebec, SDCO-OP OBSERVER STATION KENS2 KENNEBEC. STILL SNOWING.
Mar 14, 6:00 PM CDTHEAVY SNOW 81 Nnw Kennebec, SDSTORM TOTAL SNOW.
Mar 14, 6:15 PM CDTSNOW 2Pierre, SDSTILL SNOWING.
Mar 15, 7:00 AM CDTSNOW 21 S Pierre, SDCOCORAHS STATION SD-HG-10 PIERRE 1 S.
Mar 15, 7:00 AM CDTSNOW 3.5Fort Pierre, SDCOCORAHS STATION SD-ST-6 FORT PIERRE 0.5 SE.
Mar 15, 7:00 AM CDTSNOW 412 N Highmore, SDCOCORAHS STATION SD-HY-1 HIGHMORE 12 N.
Mar 15, 7:00 AM CDTSNOW 418 N Holabird, SDCOCORAHS STATION SD-HY-2 HIGHMORE 19 NNW.
Mar 15, 7:00 AM CDTSNOW 78 N Vivian, SDCOCORAHS STATION SD-LY-5 VIVIAN 7 NNE.
Mar 15, 7:00 AM CDTSNOW 7.5Presho, SDCOCORAHS STATION SD-LY-1 PRESHO 0.3 SSW.
Mar 15, 7:00 AM CDTHEAVY SNOW 83 Nne Pierre, SDCOCORAHS STATION SD-HG-12 PIERRE 2 NNE.
Mar 15, 7:30 AM CDTHEAVY SNOW 83 Wnw Okaton, SDCOCORAHS STATION SD-JN-3 OKATON 3 NW.
Mar 15, 7:35 AM CDTSNOW 1.81 Ssw Pierre, SDCO-OP OBSERVER STATION PRSS2 PIERRE.
Mar 15, 7:46 AM CDTSNOW 6.23 Nne Gann Valley, SDCO-OP OBSERVER STATION GNVS2 GANN VALLEY 3 NNE.
Mar 15, 8:00 AM CDTSNOW 3.94 Wnw Lake Cochrane Rec, SDCOCORAHS STATION SD-DL-7 CLEAR LAKE 7 ESE.
Mar 15, 8:00 AM CDTSNOW 5.81 Wnw Hayti, SDCO-OP OBSERVER STATION HYTS2 HAYTI 1 W.
Mar 15, 8:00 AM CDTSNOW 6.1Castlewood, SDCO-OP OBSERVER STATION CLWS2 CASTLEWOOD.
Mar 15, 8:00 AM CDTHEAVY SNOW 75 S Vivian, SDCOCORAHS STATION SD-LY-16 VIVIAN 5 SSW.
Mar 15, 8:00 AM CDTHEAVY SNOW 84 Ene Reliance, SDCOCORAHS STATION SD-LY-26 RELIANCE 4 ENE.
Mar 15, 9:00 AM CDTSNOW 57 E Hayes, SDCO-OP OBSERVER STATION AYES2 HAYES 6 E.
Mar 15, 9:00 AM CDTSNOW 7Murdo, SDCO-OP OBSERVER STATION MURS2 MURDO.
Mar 15, 10:00 AM CDTHEAVY SNOW 12Chantler Creek Recreati, SDREPORT FROM SOCIAL MEDIA. POSSIBLE LAKE EFFECT SNOW FROM LAKE OAHE.

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

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 10.9 hours before the alert went out and 87 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 12:00Z 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, Aberdeen, SD at 12:00Z on 2021-03-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 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
1923 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
17 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

050 
WWUS43 KABR 142255
WSWABR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Aberdeen SD
555 PM CDT Sun Mar 14 2021

SDZ033-035>037-045-048-051-150700-
/O.UPG.KABR.WW.Y.0007.210315T0000Z-210315T1800Z/
/O.NEW.KABR.WS.W.0002.210314T2255Z-210315T1800Z/
Stanley-Hughes-Hyde-Hand-Jones-Lyman-Buffalo-
Including the cities of Fort Pierre, Pierre, Highmore, Miller, 
Murdo, Kennebec, and Fort Thompson
555 PM CDT Sun Mar 14 2021 /455 PM MDT Sun Mar 14 2021/

...WINTER STORM WARNING IN EFFECT UNTIL 1 PM CDT /NOON MDT/
MONDAY...

* WHAT...Heavy snow. Additional snow accumulations of 3 to 6
  inches. Total snow accumulations of 4 to 7 inches.

* WHERE...Portions of central South Dakota.

* WHEN...Until 1 PM CDT /noon MDT/ Monday.

* IMPACTS...Travel could be very difficult. The hazardous 
  conditions could impact the morning 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 can be obtained by calling 5 1 1.

&&

$$

SDZ022-023-150700-
/O.UPG.KABR.WW.Y.0007.210315T0300Z-210315T2100Z/
/O.NEW.KABR.WS.W.0002.210315T0300Z-210315T2100Z/
Hamlin-Deuel-
Including the cities of Hayti and Clear Lake
555 PM CDT Sun Mar 14 2021

...WINTER STORM WARNING IN EFFECT FROM 10 PM THIS EVENING TO 4 PM
CDT MONDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 4 to 7 
  inches.

* WHERE...Hamlin and Deuel Counties.

* WHEN...From 10 PM this evening 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 can be obtained by calling 5 1 1.

&&

$$

SDZ017-034-150700-
/O.EXT.KABR.WW.Y.0007.210314T2255Z-210315T1800Z/
Faulk-Sully-
Including the cities of Faulkton and Onida
555 PM CDT Sun Mar 14 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 1 PM CDT MONDAY...

* WHAT...Snow. Total snow accumulations of 3 to 5 inches.

* WHERE...Faulk and Sully Counties.

* WHEN...Until 1 PM CDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

SDZ018>021-150700-
/O.CON.KABR.WW.Y.0007.210315T0300Z-210315T2100Z/
Spink-Clark-Codington-Grant-
Including the cities of Redfield, Clark, Watertown, and Milbank
555 PM CDT Sun Mar 14 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS
EVENING TO 4 PM CDT MONDAY...

* WHAT...Snow expected. Total snow accumulations of 2 to 5 
  inches.

* WHERE...Spink, Clark, Codington and Grant Counties.

* WHEN...From 10 PM this evening 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 can be obtained by calling 5 1 1.

&&

$$

Dorn
3 follow-up statements
820 
WWUS43 KABR 150349
WSWABR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Aberdeen SD
1049 PM CDT Sun Mar 14 2021

SDZ033-035>037-045-048-051-151200-
/O.CON.KABR.WS.W.0002.000000T0000Z-210315T1800Z/
Stanley-Hughes-Hyde-Hand-Jones-Lyman-Buffalo-
Including the cities of Fort Pierre, Pierre, Highmore, Miller, 
Murdo, Kennebec, and Fort Thompson
1049 PM CDT Sun Mar 14 2021 /949 PM MDT Sun Mar 14 2021/

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 PM CDT /NOON
MDT/ MONDAY...

* WHAT...Heavy snow. Additional snow accumulations of 3 to 5 
  inches. Winds gusting as high as 40 mph.

* WHERE...Portions of central South Dakota.

* WHEN...Until 1 PM CDT /noon MDT/ Monday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the morning 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 can be obtained by calling 5 1 1.

&&

$$

SDZ022-023-151200-
/O.CON.KABR.WS.W.0002.000000T0000Z-210315T2100Z/
Hamlin-Deuel-
Including the cities of Hayti and Clear Lake
1049 PM CDT Sun Mar 14 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM CDT MONDAY...

* WHAT...Heavy snow. Additional snow accumulations of 4 to 6 
  inches.

* WHERE...Deuel and Hamlin Counties.

* WHEN...Until 4 PM CDT Monday.

* IMPACTS...Travel could be very difficult. Patchy blowing snow 
  could significantly reduce visibility. 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 can be obtained by calling 5 1 1.

&&

$$

SDZ017-034-151200-
/O.CON.KABR.WW.Y.0007.000000T0000Z-210315T1800Z/
Faulk-Sully-
Including the cities of Faulkton and Onida
1049 PM CDT Sun Mar 14 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT
MONDAY...

* WHAT...Snow. Additional snow accumulations of 1 to 3 inches.

* WHERE...Faulk and Sully Counties.

* WHEN...Until 1 PM CDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

SDZ018>021-151200-
/O.CON.KABR.WW.Y.0007.000000T0000Z-210315T2100Z/
Spink-Clark-Codington-Grant-
Including the cities of Redfield, Clark, Watertown, and Milbank
1049 PM CDT Sun Mar 14 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT
MONDAY...

* WHAT...Snow. Additional snow accumulations of 2 to 4 inches.

* WHERE...Spink, Clark, Codington and Grant Counties.

* WHEN...Until 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 can be obtained by calling 5 1 1.

&&

$$

Dorn
164 
WWUS43 KABR 150707
WSWABR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Aberdeen SD
207 AM CDT Mon Mar 15 2021

SDZ033-035>037-045-048-051-151500-
/O.EXT.KABR.WS.W.0002.000000T0000Z-210315T1500Z/
Stanley-Hughes-Hyde-Hand-Jones-Lyman-Buffalo-
Including the cities of Fort Pierre, Pierre, Highmore, Miller, 
Murdo, Kennebec, and Fort Thompson
207 AM CDT Mon Mar 15 2021 /107 AM MDT Mon Mar 15 2021/

...WINTER STORM WARNING NOW IN EFFECT UNTIL 10 AM CDT /9 AM MDT/
THIS MORNING...

* WHAT...Heavy snow. Additional snow accumulations of 1 to 3 
  inches. Winds gusting as high as 35 mph.

* WHERE...Portions of central South Dakota.

* WHEN...Until 10 AM CDT /9 AM MDT/ this morning.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the morning 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 can be obtained by calling 5 1 1.

&&

$$

SDZ022-023-152100-
/O.CON.KABR.WS.W.0002.000000T0000Z-210315T2100Z/
Hamlin-Deuel-
Including the cities of Hayti and Clear Lake
207 AM CDT Mon Mar 15 2021

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

* WHAT...Heavy mixed precipitation. Additional snow 
  accumulations of 4 to 6 inches and ice accumulations of a 
  light glaze. Winds gusting as high as 35 mph.

* WHERE...Deuel and Hamlin Counties.

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

* IMPACTS...Plan on slippery road conditions. 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 can be obtained by calling 5 1 1.

&&

$$

SDZ017-034-151500-
/O.EXT.KABR.WW.Y.0007.000000T0000Z-210315T1500Z/
Faulk-Sully-
Including the cities of Faulkton and Onida
207 AM CDT Mon Mar 15 2021

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

* WHAT...Snow. Additional snow accumulations of up to two 
  inches. Winds gusting as high as 35 mph.

* WHERE...Faulk and Sully Counties.

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

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

SDZ018-019-151500-
/O.EXT.KABR.WW.Y.0007.000000T0000Z-210315T1500Z/
Spink-Clark-
Including the cities of Redfield and Clark
207 AM CDT Mon Mar 15 2021

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

* WHAT...Snow. Additional snow accumulations of 2 to 4 inches. 
  Winds gusting as high as 45 mph.

* WHERE...Spink and Clark Counties.

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

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions can be obtained by calling 5 1 1.

&&

$$

SDZ020-021-152100-
/O.CON.KABR.WW.Y.0007.000000T0000Z-210315T2100Z/
Codington-Grant-
Including the cities of Watertown and Milbank
207 AM CDT Mon Mar 15 2021

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

* WHAT...Mixed precipitation. Additional snow accumulations of 2 
  to 4 inches and ice accumulations of a light glaze.

* WHERE...Codington and Grant Counties.

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

* 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 can be obtained by calling 5 1 1.

&&

$$
299 
WWUS43 KABR 151504
WSWABR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Aberdeen SD
1004 AM CDT Mon Mar 15 2021

SDZ022-023-151615-
/O.CAN.KABR.WS.W.0002.000000T0000Z-210315T2100Z/
Hamlin-Deuel-
Including the cities of Hayti and Clear Lake
1004 AM CDT Mon Mar 15 2021

...WINTER STORM WARNING IS CANCELLED...

Conditions have improved across the region, therefore the Winter
Storm Warning has been cancelled. Periods of light snow or patchy
freezing drizzle are still possible, but will not create any
additional significant impacts.

$$

SDZ033-035>037-045-048-051-151615-
/O.EXP.KABR.WS.W.0002.000000T0000Z-210315T1500Z/
Stanley-Hughes-Hyde-Hand-Jones-Lyman-Buffalo-
Including the cities of Fort Pierre, Pierre, Highmore, Miller, 
Murdo, Kennebec, and Fort Thompson
1004 AM CDT Mon Mar 15 2021 /904 AM MDT Mon Mar 15 2021/

...WINTER STORM WARNING HAS EXPIRED...

Conditions have improved across the region, therefore the Winter
Storm Warning has been cancelled.

$$

SDZ020-021-151615-
/O.CAN.KABR.WW.Y.0007.000000T0000Z-210315T2100Z/
Codington-Grant-
Including the cities of Watertown and Milbank
1004 AM CDT Mon Mar 15 2021

...WINTER WEATHER ADVISORY IS CANCELLED...

Conditions have improved across the region, therefore the Winter
Weather Advisory has been cancelled. Periods of light snow or 
patchy freezing drizzle are still possible, but will not create 
any additional significant impacts.

$$

SDZ017>019-034-151615-
/O.EXP.KABR.WW.Y.0007.000000T0000Z-210315T1500Z/
Faulk-Spink-Clark-Sully-
Including the cities of Faulkton, Redfield, Clark, and Onida
1004 AM CDT Mon Mar 15 2021

...WINTER WEATHER ADVISORY HAS EXPIRED...

Conditions have improved across the region, therefore the Winter
Weather Advisory has been cancelled.

$$

Parkin

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 14, 3:19 AM CDTWinter Weather AdvisoryABRBuffalo, Clark, Codington, Deuel, Faulk, Grant and 9 more31 hr

Nearby

Winter Storm Warnings in South Dakota, 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.