Alert archive / South Dakota / Winter Storm Warnings in 2021
Winter Storm Warning 3, NWS Aberdeen, SD
NWS Aberdeen, SD issued this winter storm warning at Dec 10, 2021, 2:11 AM CST for Buffalo County, Jones County, Lyman County, South Dakota. It was in force for 16 hr. 5 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
- Dec 10, 2021, 2:11 AM CST (08:11 UTC)
- Expired
- Dec 10, 2021, 6:00 PM CST
- In force
- 16 hr
- Issued by
- NWS Aberdeen, SD
Counties Buffalo County, SD, Jones County, SD, Lyman County, SD
The radar
The Aberdeen radar (KABR), 203 km from the middle of the area, began a volume at 08:15 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Dec 10, 7:00 AM CST | SNOW 2 | 7 Nne Vivian, SD | COCORAHS STATION SD-LY-5 VIVIAN 7 NNE. STILL SNOWING. |
| Dec 10, 7:00 AM CST | SNOW 3 | 8 Ssw Kennebec, SD | COCORAHS STATION SD-LY-27 KENNEBEC 8 SSW. STILL SNOWING. |
| Dec 10, 9:00 AM CST | HEAVY SNOW 7.4 | Murdo, SD | CO-OP OBSERVER STATION MURS2 MURDO. STILL SNOWING. |
| Dec 10, 6:00 PM CST | SNOW 7 | 1 Nnw Kennebec, SD | CO-OP OBSERVER STATION KENS2 KENNEBEC. |
| Dec 10, 6:00 PM CST | HEAVY SNOW 7 | Kennebec, SD |
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 00:00Z, 8.2 hours before the alert went out and 158 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1225 m above ground
- 0-6 km bulk shear
- 92 kt
- 0-1 km storm-relative helicity
- -129 m²/s²
- 0-3 km storm-relative helicity
- -106 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
640 WWUS43 KABR 100811 WSWABR URGENT - WINTER WEATHER MESSAGE National Weather Service Aberdeen SD 211 AM CST Fri Dec 10 2021 SDZ048-101615- /O.UPG.KABR.WW.Y.0012.000000T0000Z-211211T0000Z/ /O.NEW.KABR.WS.W.0003.211210T0811Z-211211T0000Z/ Lyman- Including the city of Kennebec 211 AM CST Fri Dec 10 2021 ...WINTER STORM WARNING IN EFFECT UNTIL 6 PM CST THIS EVENING... * WHAT...Heavy snow. Snow accumulations of 3 to 9 inches. * WHERE...Lyman County. * WHEN...Until 6 PM CST this evening. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning or evening commute. * ADDITIONAL DETAILS...A period of intense snowfall is possible along and south of the White River this morning. Snowfall rates may briefly exceed an inch per hour. 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. && $$ SDZ045-051-101615- /O.UPG.KABR.WW.Y.0012.000000T0000Z-211211T0000Z/ /O.NEW.KABR.WS.W.0003.211210T0811Z-211211T0000Z/ Jones-Buffalo- Including the cities of Murdo and Fort Thompson 211 AM CST Fri Dec 10 2021 ...WINTER STORM WARNING IN EFFECT UNTIL 6 PM CST THIS EVENING... * WHAT...Heavy snow. Snow accumulations of 3 to 6 inches. * WHERE...Jones and Buffalo Counties. * WHEN...Until 6 PM CST this evening. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions can be obtained by calling 5 1 1. && $$ SDZ022-023-101615- /O.CON.KABR.WW.Y.0012.211210T1200Z-211211T0600Z/ Hamlin-Deuel- Including the cities of Hayti and Clear Lake 211 AM CST Fri Dec 10 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM THIS MORNING TO MIDNIGHT CST TONIGHT... * WHAT...Snow expected. Total snow accumulations of 2 to 4 inches. * WHERE...Deuel and Hamlin Counties. * WHEN...From 6 AM Friday to midnight CST Friday night. * 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. && $$ Connelly
2 follow-up statements
515 WWUS43 KABR 101602 WSWABR URGENT - WINTER WEATHER MESSAGE National Weather Service Aberdeen SD 1002 AM CST Fri Dec 10 2021 SDZ045-051-110000- /O.CON.KABR.WS.W.0003.000000T0000Z-211211T0000Z/ Jones-Buffalo- Including the cities of Murdo and Fort Thompson 1002 AM CST Fri Dec 10 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... * WHAT...Heavy snow. Additional snow accumulations of 1 to 3 inches. * WHERE...Jones and Buffalo Counties. * WHEN...Until 6 PM CST this evening. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions can be obtained by calling 5 1 1. && $$ SDZ048-110000- /O.CON.KABR.WS.W.0003.000000T0000Z-211211T0000Z/ Lyman- Including the city of Kennebec 1002 AM CST Fri Dec 10 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... * WHAT...Heavy snow. Additional snow accumulations of 2 to 4 inches. * WHERE...Lyman County. * WHEN...Until 6 PM CST this evening. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the 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. && $$ SDZ022-023-110015- /O.CON.KABR.WW.Y.0012.000000T0000Z-211211T0600Z/ Hamlin-Deuel- Including the cities of Hayti and Clear Lake 1002 AM CST Fri Dec 10 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... * WHAT...Snow. Total snow accumulations of 2 to 4 inches. * WHERE...Deuel and Hamlin Counties. * WHEN...Until midnight CST tonight. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1. && $$ Parkin
540 WWUS43 KABR 102356 WSWABR URGENT - WINTER WEATHER MESSAGE National Weather Service Aberdeen SD 556 PM CST Fri Dec 10 2021 SDZ045-051-110100- /O.EXP.KABR.WS.W.0003.000000T0000Z-211211T0000Z/ Jones-Buffalo- Including the cities of Murdo and Fort Thompson 556 PM CST Fri Dec 10 2021 ...WINTER STORM WARNING WILL EXPIRE AT 6 PM CST THIS EVENING... Snow has ended or is tapering off. Conditions warranting a winter storm warning are no longer occurring. $$ SDZ048-110100- /O.EXP.KABR.WS.W.0003.000000T0000Z-211211T0000Z/ Lyman- Including the city of Kennebec 556 PM CST Fri Dec 10 2021 ...WINTER STORM WARNING WILL EXPIRE AT 6 PM CST THIS EVENING... Snow has ended or is tapering off. Conditions warranting a winter storm warning are no longer occurring.. $$ SDZ022-023-110600- /O.CON.KABR.WW.Y.0012.000000T0000Z-211211T0600Z/ Hamlin-Deuel- Including the cities of Hayti and Clear Lake 556 PM CST Fri Dec 10 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... * WHAT...Snow. Additional snow accumulations of up to one inch. Storm total snow accumulations of 2 to 4 inches. * WHERE...Deuel and Hamlin Counties. * WHEN...Until midnight CST tonight. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1. && $$ Dorn
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; radar from the NEXRAD Level II archive.