Alert archive / Maine / Winter Storm Warnings in 2021
Winter Storm Warning 3, NWS Caribou, ME
NWS Caribou, ME issued this winter storm warning at Feb 7, 2021, 3:45 AM EST for Hancock County, Washington County, Maine. It took effect at Feb 7, 2021, 3:00 PM EST. It was in force for 13 hr. 9 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
- Feb 7, 2021, 3:45 AM EST (08:45 UTC)
- In effect from
- Feb 7, 2021, 3:00 PM EST
- Expired
- Feb 8, 2021, 4:00 AM EST
- In force
- 13 hr
- Issued by
- NWS Caribou, ME
Counties Hancock County, ME, Washington County, ME
The radar
The Caribou radar (KCBW), 142 km from the middle of the area, began a volume at 08:47 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 |
|---|---|---|---|
| Feb 7, 6:30 PM EST | SNOW 1.7 | Seawall, ME | |
| Feb 7, 6:53 PM EST | SNOW 1 | 4 E East Machias, ME | |
| Feb 7, 8:05 PM EST | SNOW 1.5 | 4 E East Machias, ME | |
| Feb 7, 8:37 PM EST | SNOW 1 | Machias, ME | |
| Feb 7, 8:40 PM EST | SNOW 1.5 | 1 Nw Southwest Harbor, ME | |
| Feb 7, 9:00 PM EST | SNOW 3.2 | Seawall, ME | |
| Feb 7, 9:39 PM EST | SNOW 3 | 4 E East Machias, ME | |
| Feb 7, 11:00 PM EST | SNOW 3.8 | Seawall, ME | |
| Feb 8, 2:17 AM EST | SNOW 1.8 | Brooklin, ME |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Gray, ME (KGYX), launched 00:00Z, 8.8 hours before the alert went out and 205 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
- 1746 m above ground
- 0-6 km bulk shear
- 103 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 216 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
963 WWUS41 KCAR 070845 WSWCAR URGENT - WINTER WEATHER MESSAGE National Weather Service Caribou ME 345 AM EST Sun Feb 7 2021 MEZ017-029-030-071645- /O.UPG.KCAR.WS.A.0003.210207T1800Z-210208T0900Z/ /O.NEW.KCAR.WS.W.0003.210207T2000Z-210208T0900Z/ Central Washington-Coastal Hancock-Coastal Washington- Including the cities of Eastport, Perry, Castine, Princeton, Orland, Bucksport, Bar Harbor, Calais, Wesley, Grand Lake Stream, Machias, Ellsworth, and Cherryfield 345 AM EST Sun Feb 7 2021 ...WINTER STORM WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO 4 AM EST MONDAY... * WHAT...Heavy snow expected. Total snow accumulations of 6 to 9 inches. * WHERE...Coastal Hancock, Coastal Washington and Central Washington Counties. * WHEN...From 3 PM this afternoon to 4 AM EST Monday. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for snow means severe winter weather conditions will make travel extremely dangerous. If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Maine can be obtained by going to newengland511.org. && $$ MEZ006-011-015-016-032-071645- /O.NEW.KCAR.WW.Y.0003.210207T2000Z-210208T0900Z/ Southeast Aroostook-Central Penobscot-Southern Penobscot-Interior Hancock-Northern Washington- Including the cities of Vanceboro, Lincoln, Smyrna Mills, Houlton, Great Pond, Brewer, Howland, Sherman, Hodgdon, Orono, Danforth, Old Town, Bangor, Amherst, Dedham, Eastbrook, Aurora, Springfield, and Topsfield 345 AM EST Sun Feb 7 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO 4 AM EST MONDAY... * WHAT...Snow expected. Total snow accumulations of 4 to 6 inches. * WHERE...Portions of Far Eastern, Interior DownEast, and Penobscot Valley Maine. * WHEN...From 3 PM this afternoon to 4 AM EST Monday. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means periods of snow will cause primarily travel difficulties. Expect snow covered roads and limited visibilities, and use caution while driving. The latest road conditions for Maine can be obtained by going to newengland511.org. && $$ Duda
5 follow-up statements
689 WWUS41 KCAR 071528 WSWCAR URGENT - WINTER WEATHER MESSAGE National Weather Service Caribou ME 1028 AM EST Sun Feb 7 2021 MEZ017-029-030-072330- /O.CON.KCAR.WS.W.0003.210207T2000Z-210208T0900Z/ Central Washington-Coastal Hancock-Coastal Washington- Including the cities of Calais, Grand Lake Stream, Wesley, Princeton, Ellsworth, Bar Harbor, Bucksport, Orland, Castine, Eastport, Perry, Machias, and Cherryfield 1028 AM EST Sun Feb 7 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO 4 AM EST MONDAY... * WHAT...Heavy snow expected. Total snow accumulations of 5 to 10 inches expected. * WHERE...Coastal Hancock, Central Washington and Coastal Washington Counties. * WHEN...From 3 PM this afternoon to 4 AM EST Monday. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for snow means severe winter weather conditions will make travel extremely dangerous. If you must travel, keep an extra flashlight, food and water in your vehicle in case of an emergency. The latest road conditions for Maine can be obtained by going to newengland511.org. && $$ MEZ006-011-015-016-032-072330- /O.CON.KCAR.WW.Y.0003.210207T2000Z-210208T0900Z/ Southeast Aroostook-Central Penobscot-Southern Penobscot- Interior Hancock-Northern Washington- Including the cities of Houlton, Hodgdon, Sherman, Smyrna Mills, Lincoln, Howland, Springfield, Bangor, Brewer, Orono, Old Town, Amherst, Aurora, Dedham, Eastbrook, Great Pond, Danforth, Vanceboro, and Topsfield 1028 AM EST Sun Feb 7 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO 4 AM EST MONDAY... * WHAT...Snow expected. Total snow accumulations of 3 to 5 inches expected. * WHERE...Portions of Far Eastern, Interior DownEast and Penobscot Valley Maine. * WHEN...From 3 PM this afternoon to 4 AM EST Monday. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means periods of snow will cause primarily travel difficulties. Expect snow covered roads and limited visibilities, and use caution while driving. The latest road conditions for Maine can be obtained by going to newengland511.org. && $$
568 WWUS41 KCAR 071854 WSWCAR URGENT - WINTER WEATHER MESSAGE National Weather Service Caribou ME 154 PM EST Sun Feb 7 2021 MEZ017-029-030-080300- /O.CON.KCAR.WS.W.0003.210207T2000Z-210208T0900Z/ Central Washington-Coastal Hancock-Coastal Washington- Including the cities of Eastport, Perry, Castine, Princeton, Orland, Bucksport, Bar Harbor, Calais, Wesley, Grand Lake Stream, Machias, Ellsworth, and Cherryfield 154 PM EST Sun Feb 7 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM EST MONDAY... * WHAT...Heavy snow expected. Total snow accumulations of 5 to 12 inches. * WHERE...Coastal Hancock, Coastal Washington and Central Washington Counties. * WHEN...Until 4 AM EST Monday. * IMPACTS...Travel could be very difficult. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for snow means severe winter weather conditions will make travel extremely dangerous. If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Maine can be obtained by going to newengland511.org. && $$ MEZ006-011-015-016-032-080300- /O.CON.KCAR.WW.Y.0003.210207T2000Z-210208T0900Z/ Southeast Aroostook-Central Penobscot-Southern Penobscot-Interior Hancock-Northern Washington- Including the cities of Vanceboro, Lincoln, Smyrna Mills, Houlton, Great Pond, Brewer, Howland, Sherman, Hodgdon, Orono, Danforth, Old Town, Bangor, Amherst, Dedham, Eastbrook, Aurora, Springfield, and Topsfield 154 PM EST Sun Feb 7 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST MONDAY... * WHAT...Snow expected. Total snow accumulations of 3 to 7 inches. * WHERE...Portions of Far Eastern, Interior DownEast, and Penobscot Valley Maine. * WHEN...Until 4 AM EST Monday. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means periods of snow will cause primarily travel difficulties. Expect snow covered roads and limited visibilities, and use caution while driving. The latest road conditions for Maine can be obtained by going to newengland511.org. && $$ Walker
019 WWUS41 KCAR 072312 WSWCAR URGENT - WINTER WEATHER MESSAGE National Weather Service Caribou ME 612 PM EST Sun Feb 7 2021 MEZ017-029-030-080715- /O.CON.KCAR.WS.W.0003.000000T0000Z-210208T0900Z/ Central Washington-Coastal Hancock-Coastal Washington- Including the cities of Eastport, Perry, Castine, Princeton, Orland, Bucksport, Bar Harbor, Calais, Wesley, Grand Lake Stream, Machias, Ellsworth, and Cherryfield 612 PM EST Sun Feb 7 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM EST MONDAY... * WHAT...Heavy snow. A storm total of 6 to 12 inches with the highest totals in coastal Washington County. * WHERE...Coastal Hancock, Coastal Washington and Central Washington Counties. * WHEN...Until 4 AM EST Monday. * IMPACTS...Travel could be very difficult. Areas of blowing snow could significantly reduce visibility. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for snow means severe winter weather conditions will make travel extremely dangerous. If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Maine can be obtained by going to newengland511.org. && $$ MEZ006-011-015-016-032-080715- /O.CON.KCAR.WW.Y.0003.000000T0000Z-210208T0900Z/ Southeast Aroostook-Central Penobscot-Southern Penobscot-Interior Hancock-Northern Washington- Including the cities of Vanceboro, Lincoln, Smyrna Mills, Houlton, Great Pond, Brewer, Howland, Sherman, Hodgdon, Orono, Danforth, Old Town, Bangor, Amherst, Dedham, Eastbrook, Aurora, Springfield, and Topsfield 612 PM EST Sun Feb 7 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST MONDAY... * WHAT...Snow expected. Total snow accumulations of 3 to 7 inches. * WHERE...Portions of Far Eastern, Interior DownEast, and Penobscot Valley Maine. * WHEN...Until 4 AM EST Monday. * IMPACTS...Plan on slippery road conditions. Areas of blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means periods of snow will cause primarily travel difficulties. Expect snow covered roads and limited visibilities, and use caution while driving. The latest road conditions for Maine can be obtained by going to newengland511.org. && $$ CB
006 WWUS41 KCAR 080219 WSWCAR URGENT - WINTER WEATHER MESSAGE National Weather Service Caribou ME 919 PM EST Sun Feb 7 2021 MEZ017-029-030-080900- /O.CON.KCAR.WS.W.0003.000000T0000Z-210208T0900Z/ Central Washington-Coastal Hancock-Coastal Washington- Including the cities of Eastport, Perry, Castine, Princeton, Orland, Bucksport, Bar Harbor, Calais, Wesley, Grand Lake Stream, Machias, Ellsworth, and Cherryfield 919 PM EST Sun Feb 7 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM EST MONDAY... * WHAT...Heavy snow with a storm total of 6 to 10 inches with the highest totals in eastern Washington County. * WHERE...Coastal Hancock, Coastal Washington and Central Washington Counties. * WHEN...Until 4 AM EST Monday. * IMPACTS...Plan on slippery road conditions. Areas of blowing snow could significantly reduce visibility. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for snow means severe winter weather conditions will make travel extremely dangerous. If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Maine can be obtained by going to newengland511.org. && $$ MEZ006-011-015-016-032-080900- /O.CON.KCAR.WW.Y.0003.000000T0000Z-210208T0900Z/ Southeast Aroostook-Central Penobscot-Southern Penobscot-Interior Hancock-Northern Washington- Including the cities of Vanceboro, Lincoln, Smyrna Mills, Houlton, Great Pond, Brewer, Howland, Sherman, Hodgdon, Orono, Danforth, Old Town, Bangor, Amherst, Dedham, Eastbrook, Aurora, Springfield, and Topsfield 919 PM EST Sun Feb 7 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST MONDAY... * WHAT...Snow. Additional snow accumulations of 2 to 4 inches for a storm total of 4 to 6 inches. * WHERE...Portions of Far Eastern, Interior DownEast, and Penobscot Valley Maine. * WHEN...Until 4 AM EST Monday. * IMPACTS...Plan on slippery road conditions. Areas of blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means periods of snow will cause primarily travel difficulties. Expect snow covered roads and limited visibilities, and use caution while driving. The latest road conditions for Maine can be obtained by going to newengland511.org. && $$ CB
038 WWUS41 KCAR 080834 WSWCAR URGENT - WINTER WEATHER MESSAGE National Weather Service Caribou ME 334 AM EST Mon Feb 8 2021 MEZ017-029-030-080945- /O.EXP.KCAR.WS.W.0003.000000T0000Z-210208T0900Z/ Central Washington-Coastal Hancock-Coastal Washington- Including the cities of Eastport, Perry, Castine, Princeton, Orland, Bucksport, Bar Harbor, Calais, Wesley, Grand Lake Stream, Machias, Ellsworth, and Cherryfield 334 AM EST Mon Feb 8 2021 ...WINTER STORM WARNING WILL EXPIRE AT 4 AM EST EARLY THIS MORNING... The threat for significant accumulating snow has ended. Therefore, the Winter Storm Warning will be allowed to expire. $$ MEZ006-011-015-016-032-080945- /O.EXP.KCAR.WW.Y.0003.000000T0000Z-210208T0900Z/ Southeast Aroostook-Central Penobscot-Southern Penobscot-Interior Hancock-Northern Washington- Including the cities of Vanceboro, Lincoln, Smyrna Mills, Houlton, Great Pond, Brewer, Howland, Sherman, Hodgdon, Orono, Danforth, Old Town, Bangor, Amherst, Dedham, Eastbrook, Aurora, Springfield, and Topsfield 334 AM EST Mon Feb 8 2021 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 4 AM EST EARLY THIS MORNING... The threat for significant accumulating snow has ended. Therefore, the Winter Weather Advisory will be allowed to expire. $$ JAH
The office that day
Everything else NWS Caribou, ME issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 7, 3:45 AM EST | Winter Weather Advisory | CAR | Aroostook, Hancock, Penobscot, Washington | 24 hr |
| Feb 7, 3:59 AM EST | Small Craft Advisory | CAR | 45 hr | |
| Feb 7, 5:55 AM EST | Gale Warning | CAR | 30 hr |
Nearby
Winter Storm Warnings in Maine, 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.