Alert archive / New York / Winter Storm Warnings in 2021
Winter Storm Warning 5, NWS Burlington, VT
NWS Burlington, VT issued this winter storm warning at Mar 31, 2021, 4:02 AM EDT for Clinton County, Franklin County, St. Lawrence County, New York. It took effect at Apr 1, 2021, 2:00 AM EDT. It was in force for 69 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Mar 31, 2021, 4:02 AM EDT (08:02 UTC)
- In effect from
- Apr 1, 2021, 2:00 AM EDT
- Expired
- Apr 1, 2021, 3:09 AM EDT
- In force
- 69 min
- Issued by
- NWS Burlington, VT
Counties Clinton County, NY, Franklin County, NY, St. Lawrence County, NY
The radar
The Burlington radar (KCXX), 96 km from the middle of the area, began a volume at 08:03 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
Albany, NY (KALY), launched 00:00Z, 8.0 hours before the alert went out and 218 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
- 2165 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 198 m²/s²
- 0-3 km storm-relative helicity
- 403 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
217 WWUS41 KBTV 310802 WSWBTV URGENT - WINTER WEATHER MESSAGE National Weather Service Burlington VT 402 AM EDT Wed Mar 31 2021 NYZ029>031-312100- /O.UPG.KBTV.WS.A.0004.210401T0600Z-210402T0600Z/ /O.NEW.KBTV.WS.W.0005.210401T0600Z-210402T0600Z/ Southeastern St. Lawrence-Southern Franklin-Western Clinton- Including the cities of Star Lake, Saranac Lake, Tupper Lake, and Dannemora 402 AM EDT Wed Mar 31 2021 ...WINTER STORM WARNING IN EFFECT FROM 2 AM THURSDAY TO 2 AM EDT FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations of 6 to 10 inches, locally higher amounts. * WHERE...Southeastern St. Lawrence, Southern Franklin and Western Clinton Counties. * WHEN...From 2 AM Thursday to 2 AM EDT Friday. * 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. Please allow extra time if travel is necessary. && $$ NYZ026>028-034-087-VTZ001>003-005-006-016>018-312100- /O.UPG.KBTV.WS.A.0004.210401T0600Z-210402T0600Z/ /O.NEW.KBTV.WW.Y.0009.210401T0600Z-210402T0600Z/ Northern St. Lawrence-Northern Franklin-Eastern Clinton- Western Essex-Southwestern St. Lawrence-Grand Isle- Western Franklin-Orleans-Western Chittenden-Lamoille- Eastern Franklin-Eastern Chittenden-Eastern Addison- Including the cities of Massena, Malone, Plattsburgh, Lake Placid, Ogdensburg, Potsdam, Gouverneur, Alburgh, South Hero, St. Albans, Newport, Burlington, Johnson, Stowe, Enosburg Falls, Richford, Underhill, Bristol, and Ripton 402 AM EDT Wed Mar 31 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 2 AM THURSDAY TO 2 AM EDT FRIDAY... * WHAT...Snow expected. Total snow accumulations of 3 to 6 inches. * WHERE...Portions of central, northeast and northwest Vermont and northern New York. * WHEN...From 2 AM Thursday to 2 AM EDT Friday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Please allow extra time if travel is necessary. && $$ For more information from the National Weather Service visit http://weather.gov/btv/winter
2 follow-up statements
619 WWUS41 KBTV 311926 WSWBTV URGENT - WINTER WEATHER MESSAGE National Weather Service Burlington VT 326 PM EDT Wed Mar 31 2021 NYZ029>031-010930- /O.CON.KBTV.WS.W.0005.210401T0600Z-210402T0600Z/ Southeastern St. Lawrence-Southern Franklin-Western Clinton- Including the cities of Star Lake, Saranac Lake, Tupper Lake, and Dannemora 326 PM EDT Wed Mar 31 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 2 AM THURSDAY TO 2 AM EDT FRIDAY... * WHAT...Heavy snow expected. Total snow accumulations of 5 to 10 inches. * WHERE...Western Clinton, Southeastern St. Lawrence and Southern Franklin Counties. * WHEN...From 2 AM Thursday to 2 AM EDT Friday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning and evening commutes. * ADDITIONAL DETAILS...Rain will change to snow during the early morning hours Thursday, and continue through the day before tapering off to higher elevation snow showers Thursday night. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Please allow extra time if travel is necessary. && $$ NYZ026>028-034-087-VTZ001>003-005-006-016>018-010930- /O.CON.KBTV.WW.Y.0009.210401T0600Z-210402T0600Z/ Northern St. Lawrence-Northern Franklin-Eastern Clinton- Western Essex-Southwestern St. Lawrence-Grand Isle- Western Franklin-Orleans-Western Chittenden-Lamoille- Eastern Franklin-Eastern Chittenden-Eastern Addison- Including the cities of Massena, Malone, Plattsburgh, Lake Placid, Ogdensburg, Potsdam, Gouverneur, Alburgh, South Hero, St. Albans, Newport, Burlington, Johnson, Stowe, Enosburg Falls, Richford, Underhill, Bristol, and Ripton 326 PM EDT Wed Mar 31 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 AM THURSDAY TO 2 AM EDT FRIDAY... * WHAT...Snow expected. Total snow accumulations of 3 to 6 inches. * WHERE...Portions of central, northeast and northwest Vermont and northern New York. * WHEN...From 2 AM Thursday to 2 AM EDT Friday. * IMPACTS...Travel could be difficult. The hazardous conditions could impact the morning and evening commutes. * ADDITIONAL DETAILS...Rain will change to snow across northern New York during the early morning hours Thursday, and after sunrise across Vermont. Snow then continues through the day before tapering off to higher elevation snow showers Thursday night. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Please allow extra time if travel is necessary. && $$ For more information from the National Weather Service visit http://weather.gov/btv/winter
913 WWUS41 KBTV 010709 WSWBTV URGENT - WINTER WEATHER MESSAGE National Weather Service Burlington VT 309 AM EDT Thu Apr 1 2021 NYZ029>031-012100- /O.CAN.KBTV.WS.W.0005.000000T0000Z-210402T0600Z/ /O.EXA.KBTV.WW.Y.0009.000000T0000Z-210402T0600Z/ Southeastern St. Lawrence-Southern Franklin-Western Clinton- Including the cities of Star Lake, Saranac Lake, Tupper Lake, and Dannemora 309 AM EDT Thu Apr 1 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 2 AM EDT FRIDAY... ...WINTER STORM WARNING IS CANCELLED... * WHAT...Snow. Total snow accumulation of 3 to 7 inches. * WHERE...Southeastern St. Lawrence, Southern Franklin and Western Clinton Counties. * WHEN...Until 2 AM EDT Friday. * IMPACTS...Travel could be difficult. The hazardous conditions could impact the morning commute. * ADDITIONAL DETAILS...Rain will change to snow early this morning. Snow will continues through the early afternoon before tapering off to higher elevation snow showers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Please allow extra time if travel is necessary. && $$ NYZ026-027-087-VTZ001-005-010815- /O.CAN.KBTV.WW.Y.0009.000000T0000Z-210402T0600Z/ Northern St. Lawrence-Northern Franklin-Southwestern St. Lawrence- Grand Isle-Western Chittenden- Including the cities of Massena, Malone, Ogdensburg, Potsdam, Gouverneur, Alburgh, South Hero, and Burlington 309 AM EDT Thu Apr 1 2021 ...WINTER WEATHER ADVISORY IS CANCELLED... We have lowered snowfall accumulations to 1-3 inches given warmer than expected temperatures and less precipitation. The majority of snowfall will be limited to grassy and elevated surfaces with minimal accumulation expected on area roadways. $$ NYZ028-034-VTZ002-003-006-016>018-012100- /O.CON.KBTV.WW.Y.0009.000000T0000Z-210402T0600Z/ Eastern Clinton-Western Essex-Western Franklin-Orleans-Lamoille- Eastern Franklin-Eastern Chittenden-Eastern Addison- Including the cities of Plattsburgh, Lake Placid, St. Albans, Newport, Johnson, Stowe, Enosburg Falls, Richford, Underhill, Bristol, and Ripton 309 AM EDT Thu Apr 1 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT FRIDAY... * WHAT...Snow expected. Total snow accumulations of 3 to 5 inches. * WHERE...Portions of central, northeast and northwest Vermont and northeast New York. * WHEN...Until 2 AM EDT Friday. * IMPACTS...Travel could be difficult. The hazardous conditions could impact the morning commute. * ADDITIONAL DETAILS...Rain will change to snow across northern New York early this morning and after sunrise across Vermont. Snow will continue through the early afternoon before tapering off to higher elevation snow showers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Please allow extra time if travel is necessary. && $$ For more information from the National Weather Service visit http://weather.gov/btv/winter
The office that day
Everything else NWS Burlington, VT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 31, 4:02 AM EDT | Winter Weather Advisory | BTV | Clinton, Essex, Franklin, St. Lawrence | 33 hr |
Nearby
Winter Storm Warnings in New York, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.