Alert archive / Minnesota / Winter Storm Warnings in 2017
Winter Storm Warning 3, NWS Grand Forks, ND
NWS Grand Forks, ND issued this winter storm warning at Dec 20, 2017, 7:30 PM CST for 6 counties in Minnesota; Grand Forks County, Steele County, Traill County, North Dakota. It was in force for 8 hr. 2 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 20, 2017, 7:30 PM CST (01:30 UTC)
- Expired
- Dec 21, 2017, 3:46 AM CST
- In force
- 8 hr
- Issued by
- NWS Grand Forks, ND
Counties Becker County, MN, Clearwater County, MN, Hubbard County, MN, Mahnomen County, MN, Norman County, MN, Polk County, MN, Grand Forks County, ND, Steele County, ND, Traill County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 75 km from the middle of the area, began a volume at 01:35 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 20, 9:55 PM CST | SNOW 6 | Naytahwaush, MN | STILL SNOWING. |
| Dec 20, 10:05 PM CST | HEAVY SNOW 6 | Hillsboro, ND | ESTIMATED 5 TO 6 INCHES OF SNOWFALL THUS FAR. LIGHT SNOW STILL OCCURING. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
International Fa, MN (KINL), launched 00:00Z, 1.5 hours before the alert went out and 259 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
- 1038 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 35 m²/s²
- 0-3 km storm-relative helicity
- 92 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
419 WWUS43 KFGF 210130 WSWFGF URGENT - WINTER WEATHER MESSAGE National Weather Service Grand Forks ND 730 PM CST Wed Dec 20 2017 MNZ022>024-027-028-211200- /O.UPG.KFGF.WW.Y.0022.000000T0000Z-171221T1200Z/ /O.NEW.KFGF.WS.W.0003.171221T0130Z-171221T1200Z/ Mahnomen-South Clearwater-Hubbard-West Becker-East Becker- Including the cities of Mahnomen, Naytahwaush, Waubun, Alida, Ebro, Lake Itasca, Long Lost Lake, Lower Rice Lake, Roy Lake, Upper Rice Lake, Park Rapids, Detroit Lakes, and Wolf Lake 730 PM CST Wed Dec 20 2017 ...WINTER STORM WARNING IN EFFECT UNTIL 6 AM CST THURSDAY... * WHAT...Heavy snow occurring. Plan on difficult travel conditions. Additional snow accumulations of 3 to 5 inches are expected. Total snowfall of 6 to 9 inches. * WHERE...Mahnomen, South Clearwater, Hubbard, West Becker and East Becker Counties. * WHEN...Until 6 AM CST Thursday. * ADDITIONAL DETAILS...Be prepared for significant reductions in visibility at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for snow means severe winter weather conditions are occurring. If you must travel, keep an extra flashlight, food and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. $$ MNZ001-002-NDZ027-029-030-211200- /O.UPG.KFGF.WW.Y.0022.000000T0000Z-171221T1200Z/ /O.NEW.KFGF.WS.W.0003.171221T0130Z-171221T0800Z/ West Polk-Norman-Grand Forks-Steele-Traill- Including the cities of Crookston, East Grand Forks, Ada, Twin Valley, Halstad, Grand Forks, Finley, Hope, Mayville, Hillsboro, Hatton, and Portland 730 PM CST Wed Dec 20 2017 ...WINTER STORM WARNING IN EFFECT UNTIL 2 AM CST THURSDAY... * WHAT...Heavy snow occurring. Plan on difficult travel conditions. Additional snow accumulations of 2 to 4 inches are expected. Tortal snowfall of 6 to 9 inches. * WHERE...In Minnesota, West Polk and Norman Counties. In North Dakota, Grand Forks, Steele and Traill Counties. * WHEN...Until 2 AM CST Thursday. * ADDITIONAL DETAILS...Be prepared for significant reductions in visibility at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for snow means severe winter weather conditions are occurring. If you must travel, keep an extra flashlight, food and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. $$ NDZ006-014-015-024-026-028-038-211200- /O.CON.KFGF.WW.Y.0022.000000T0000Z-171221T1200Z/ Towner-Benson-Ramsey-Eddy-Nelson-Griggs-Barnes- Including the cities of Cando, Fort Totten, Maddock, Leeds, Minnewaukan, Devils Lake, New Rockford, Lakota, Mcville, Aneta, Tolna, Cooperstown, and Valley City 730 PM CST Wed Dec 20 2017 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST THURSDAY... * WHAT...Snow occurring. Plan on slippery road conditions. Additional snow accumulations of 1 to 3 inches are expected. * WHERE...Portions of northeast and southeast North Dakota. * WHEN...Until 6 AM CST Thursday. * ADDITIONAL DETAILS...Be prepared for reduced visibilities at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means periods of snow will cause primarily travel difficulties. Be prepared for snow covered roads and limited visibilities, and use caution while driving. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. $$ MNZ003-007>009-013>017-032-NDZ016-039-054-211200- /O.CON.KFGF.WW.Y.0022.000000T0000Z-171221T1200Z/ Clay-West Marshall-East Marshall-North Beltrami-Pennington- Red Lake-East Polk-North Clearwater-South Beltrami-Wadena- Eastern Walsh County-Cass-Western Walsh County- Including the cities of Moorhead, Warren, Stephen, Argyle, Newfolden, Middle River, Grygla, Red Lake, Redby, Ponemah, Thief River Falls, Red Lake Falls, Fosston, Fertile, McIntosh, Erskine, Bagley, Clearbrook, Bemidji, Wadena, Menahga, Grafton, Park River, Fargo, Edinburg, Adams, and Lankin 730 PM CST Wed Dec 20 2017 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST THURSDAY... * WHAT...Snow occurring. Plan on slippery road conditions. Additional snow accumulations of 1 to 3 inches are expected. * WHERE...Portions of central, north central, northwest and west central Minnesota and northeast and southeast North Dakota. * WHEN...Until 6 AM CST Thursday. * ADDITIONAL DETAILS...Be prepared for reduced visibilities at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means periods of snow will cause primarily travel difficulties. Be prepared for snow covered roads and limited visibilities, and use caution while driving. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. $$ Gust
3 follow-up statements
317 WWUS43 KFGF 210453 WSWFGF URGENT - WINTER WEATHER MESSAGE National Weather Service Grand Forks ND 1053 PM CST Wed Dec 20 2017 MNZ007-NDZ006-014>016-024-026-054-210600- /O.CAN.KFGF.WW.Y.0022.000000T0000Z-171221T1200Z/ West Marshall-Towner-Benson-Ramsey-Eastern Walsh County-Eddy- Nelson-Western Walsh County- Including the cities of Warren, Stephen, Argyle, Cando, Fort Totten, Maddock, Leeds, Minnewaukan, Devils Lake, Grafton, Park River, New Rockford, Lakota, Mcville, Aneta, Tolna, Edinburg, Adams, and Lankin 1053 PM CST Wed Dec 20 2017 ...WINTER WEATHER ADVISORY IS CANCELLED... Snowfall has rapidly diminished to a few lingering flurries from the far northern Red River Valley to the Devils Lake Basin. Use caution on snow covered roadways and walkways if traveling. $$ MNZ001-002-NDZ027-029-030-210800- /O.CON.KFGF.WS.W.0003.000000T0000Z-171221T0800Z/ West Polk-Norman-Grand Forks-Steele-Traill- Including the cities of Crookston, East Grand Forks, Ada, Twin Valley, Halstad, Grand Forks, Finley, Hope, Mayville, Hillsboro, Hatton, and Portland 1053 PM CST Wed Dec 20 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 2 AM CST THURSDAY... * WHAT...Intermittent heavy snow is possible. Plan on difficult travel conditions. Additional snow accumulations of 1 to 2 inches are expected. * WHERE...In Minnesota, West Polk and Norman Counties. In North Dakota, Grand Forks, Steele and Traill Counties. * WHEN...Until 2 AM CST Thursday. * ADDITIONAL DETAILS...Be prepared for significant reductions in visibility at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for snow means severe winter weather conditions are occurring. If you must travel, keep an extra flashlight, food and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. $$ MNZ022>024-027-028-211200- /O.CON.KFGF.WS.W.0003.000000T0000Z-171221T1200Z/ Mahnomen-South Clearwater-Hubbard-West Becker-East Becker- Including the cities of Mahnomen, Naytahwaush, Waubun, Alida, Ebro, Lake Itasca, Long Lost Lake, Lower Rice Lake, Roy Lake, Upper Rice Lake, Park Rapids, Detroit Lakes, and Wolf Lake 1053 PM CST Wed Dec 20 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST THURSDAY... * WHAT...Heavy snow occurring. Plan on difficult travel conditions. Additional snow accumulations of 2 to 4 inches are expected. * WHERE...Mahnomen, South Clearwater, Hubbard, West Becker and East Becker Counties. * WHEN...Until 6 AM CST Thursday. * ADDITIONAL DETAILS...Be prepared for significant reductions in visibility at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for snow means severe winter weather conditions are occurring. If you must travel, keep an extra flashlight, food and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. $$ NDZ028-038-211200- /O.CON.KFGF.WW.Y.0022.000000T0000Z-171221T1200Z/ Griggs-Barnes- Including the cities of Cooperstown and Valley City 1053 PM CST Wed Dec 20 2017 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST THURSDAY... * WHAT...Snow occurring. Plan on slippery road conditions. Additional snow accumulations of 1 to 3 inches are expected. * WHERE...Griggs and Barnes Counties. * WHEN...Until 6 AM CST Thursday. * ADDITIONAL DETAILS...Be prepared for reduced visibilities at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means periods of snow will cause primarily travel difficulties. Be prepared for snow covered roads and limited visibilities, and use caution while driving. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. $$ MNZ003-008-009-013>017-032-NDZ039-211200- /O.CON.KFGF.WW.Y.0022.000000T0000Z-171221T1200Z/ Clay-East Marshall-North Beltrami-Pennington-Red Lake-East Polk- North Clearwater-South Beltrami-Wadena-Cass- Including the cities of Moorhead, Newfolden, Middle River, Grygla, Red Lake, Redby, Ponemah, Thief River Falls, Red Lake Falls, Fosston, Fertile, McIntosh, Erskine, Bagley, Clearbrook, Bemidji, Wadena, Menahga, and Fargo 1053 PM CST Wed Dec 20 2017 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST THURSDAY... * WHAT...Snow occurring. Plan on slippery road conditions. Additional snow accumulations of 1 to 2 inches are expected. * WHERE...Portions of central, north central, northwest and west central Minnesota and southeast North Dakota. * WHEN...Until 6 AM CST Thursday. * ADDITIONAL DETAILS...Be prepared for reduced visibilities at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means periods of snow will cause primarily travel difficulties. Be prepared for snow covered roads and limited visibilities, and use caution while driving. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. $$ Gust
013 WWUS43 KFGF 210802 WSWFGF URGENT - WINTER WEATHER MESSAGE National Weather Service Grand Forks ND 202 AM CST Thu Dec 21 2017 MNZ001-002-NDZ027-029-030-210915- /O.EXP.KFGF.WS.W.0003.000000T0000Z-171221T0800Z/ West Polk-Norman-Grand Forks-Steele-Traill- Including the cities of Crookston, East Grand Forks, Ada, Twin Valley, Halstad, Grand Forks, Finley, Hope, Mayville, Hillsboro, Hatton, and Portland 202 AM CST Thu Dec 21 2017 ...WINTER STORM WARNING HAS EXPIRED... Snow has diminished across the area this morning. As a result, the Winter Storm Warning has been allowed to expire. $$ MNZ008-009-013>017-NDZ028-210915- /O.CAN.KFGF.WW.Y.0022.000000T0000Z-171221T1200Z/ East Marshall-North Beltrami-Pennington-Red Lake-East Polk- North Clearwater-South Beltrami-Griggs- Including the cities of Newfolden, Middle River, Grygla, Red Lake, Redby, Ponemah, Thief River Falls, Red Lake Falls, Fosston, Fertile, McIntosh, Erskine, Bagley, Clearbrook, Bemidji, and Cooperstown 202 AM CST Thu Dec 21 2017 ...WINTER WEATHER ADVISORY IS CANCELLED... Snow has diminished across the area this morning. As a result, the Winter Storm Warning has been cancelled. $$ MNZ022>024-027-028-211200- /O.CON.KFGF.WS.W.0003.000000T0000Z-171221T1200Z/ Mahnomen-South Clearwater-Hubbard-West Becker-East Becker- Including the cities of Mahnomen, Naytahwaush, Waubun, Alida, Ebro, Lake Itasca, Long Lost Lake, Lower Rice Lake, Roy Lake, Upper Rice Lake, Park Rapids, Detroit Lakes, and Wolf Lake 202 AM CST Thu Dec 21 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST EARLY THIS MORNING... * WHAT...Periods of snow occurring. Plan on difficult travel conditions, including during the morning commute. Additional snow accumulations of up to one inch are expected. * WHERE...Mahnomen, South Clearwater, Hubbard, West Becker and East Becker Counties. * WHEN...Until 6 AM CST early this morning. * ADDITIONAL DETAILS...Be prepared for significant reductions in visibility at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for snow means severe winter weather conditions are occurring. If you must travel, keep an extra flashlight, food and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. $$ MNZ003-NDZ038-039-211200- /O.CON.KFGF.WW.Y.0022.000000T0000Z-171221T1200Z/ Clay-Barnes-Cass- Including the cities of Moorhead, Valley City, and Fargo 202 AM CST Thu Dec 21 2017 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST EARLY THIS MORNING... * WHAT...Snow occurring. Plan on slippery road conditions, including during the morning commute. Additional snow accumulations of up to one inch are expected. * WHERE...In Minnesota, Clay County. In North Dakota, Barnes and Cass Counties. * WHEN...Until 6 AM CST early this morning. * ADDITIONAL DETAILS...Be prepared for reduced visibilities at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means periods of snow will cause primarily travel difficulties. Be prepared for snow covered roads and limited visibilities, and use caution while driving. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. $$ MNZ032-211200- /O.CON.KFGF.WW.Y.0022.000000T0000Z-171221T1200Z/ Wadena- Including the cities of Wadena and Menahga 202 AM CST Thu Dec 21 2017 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST EARLY THIS MORNING... * WHAT...Snow occurring. Plan on slippery road conditions, including during the morning commute. Additional snow accumulations of up to one inch are expected. * WHERE...Wadena County. * WHEN...Until 6 AM CST early this morning. * ADDITIONAL DETAILS...Be prepared for reduced visibilities at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means periods of snow will cause primarily travel difficulties. Be prepared for snow covered roads and limited visibilities, and use caution while driving. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. $$ Knutsvig
330 WWUS43 KFGF 210946 WSWFGF URGENT - WINTER WEATHER MESSAGE National Weather Service Grand Forks ND 346 AM CST Thu Dec 21 2017 MNZ022>024-027-028-211100- /O.CAN.KFGF.WS.W.0003.000000T0000Z-171221T1200Z/ Mahnomen-South Clearwater-Hubbard-West Becker-East Becker- Including the cities of Mahnomen, Naytahwaush, Waubun, Alida, Ebro, Lake Itasca, Long Lost Lake, Lower Rice Lake, Roy Lake, Upper Rice Lake, Park Rapids, Detroit Lakes, and Wolf Lake 346 AM CST Thu Dec 21 2017 ...WINTER STORM WARNING IS CANCELLED... Snow has diminished across the area this morning. As a result, the Winter Storm Warning has been cancelled. $$ MNZ003-032-NDZ038-039-211100- /O.CAN.KFGF.WW.Y.0022.000000T0000Z-171221T1200Z/ Clay-Wadena-Barnes-Cass- Including the cities of Moorhead, Wadena, Menahga, Valley City, and Fargo 346 AM CST Thu Dec 21 2017 ...WINTER WEATHER ADVISORY IS CANCELLED... Snow has diminished across the area this morning. As a result, the Winter Weather Advisory has been cancelled. $$ Knutsvig
Nearby
Winter Storm Warnings in Minnesota, 2017Winter Storm Warnings in North Dakota, 2017Every winter storm warning in 2017
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.