Alert archive / Vermont / Frost Advisories in 2021
Frost Advisory 3, NWS Burlington, VT
NWS Burlington, VT issued this frost advisory at May 12, 2021, 3:14 AM EDT for 7 counties in Vermont; Franklin County, St. Lawrence County, New York. It took effect at May 13, 2021, 2:00 AM EDT. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- May 12, 2021, 3:14 AM EDT (07:14 UTC)
- In effect from
- May 13, 2021, 2:00 AM EDT
- Expired
- May 13, 2021, 7:11 AM EDT
- In force
- 5 hr
- Issued by
- NWS Burlington, VT
Counties Franklin County, NY, St. Lawrence County, NY, Addison County, VT, Chittenden County, VT, Franklin County, VT, Lamoille County, VT, Orange County, VT, Rutland County, VT, Washington County, VT
The radar
The Burlington radar (KCXX), 22 km from the middle of the area, began a volume at 07:15 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.
The nearest sounding before it
Albany, NY (KALY), launched 00:00Z, 7.2 hours before the alert went out and 188 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
- 2092 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 41 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
222 WWUS71 KBTV 120714 NPWBTV URGENT - WEATHER MESSAGE National Weather Service Burlington VT 314 AM EDT Wed May 12 2021 NYZ026-027-087-VTZ006-008>012-016>019-122100- /O.NEW.KBTV.FR.Y.0003.210513T0600Z-210513T1200Z/ Northern St. Lawrence-Northern Franklin-Southwestern St. Lawrence- Lamoille-Washington-Western Addison-Orange-Western Rutland- Windsor-Eastern Franklin-Eastern Chittenden-Eastern Addison- Eastern Rutland- Including the cities of Massena, Malone, Ogdensburg, Potsdam, Gouverneur, Johnson, Stowe, Montpelier, Middlebury, Vergennes, Bradford, Randolph, Rutland, Springfield, White River Junction, Enosburg Falls, Richford, Underhill, Bristol, Ripton, East Wallingford, and Killington 314 AM EDT Wed May 12 2021 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM EDT THURSDAY... * WHAT...Temperatures in the 32 to 36 degree range will result in frost formation. * WHERE...Portions of central, northwest and southern Vermont and the Saint Lawrence Valley in northern New York. * WHEN...From 2 AM to 8 AM EDT Thursday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
3 follow-up statements
820 WWUS71 KBTV 121909 NPWBTV URGENT - WEATHER MESSAGE National Weather Service Burlington VT 309 PM EDT Wed May 12 2021 NYZ026-027-087-VTZ006-008>012-016>019-130915- /O.CON.KBTV.FR.Y.0003.210513T0600Z-210513T1200Z/ Northern St. Lawrence-Northern Franklin-Southwestern St. Lawrence- Lamoille-Washington-Western Addison-Orange-Western Rutland- Windsor-Eastern Franklin-Eastern Chittenden-Eastern Addison- Eastern Rutland- Including the cities of Massena, Malone, Ogdensburg, Potsdam, Gouverneur, Johnson, Stowe, Montpelier, Middlebury, Vergennes, Bradford, Randolph, Rutland, Springfield, White River Junction, Enosburg Falls, Richford, Underhill, Bristol, Ripton, East Wallingford, and Killington 309 PM EDT Wed May 12 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM EDT THURSDAY... * WHAT...Temperatures in the 32 to 36 degree range will result in frost formation. * WHERE...Portions of central, northwest and southern Vermont and the Saint Lawrence Valley in northern New York. * WHEN...From 2 AM to 8 AM EDT Thursday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
864 WWUS71 KBTV 130719 NPWBTV URGENT - WEATHER MESSAGE National Weather Service Burlington VT 319 AM EDT Thu May 13 2021 NYZ026-027-087-VTZ006-008>012-016>019-131200- /O.CON.KBTV.FR.Y.0003.000000T0000Z-210513T1200Z/ Northern St. Lawrence-Northern Franklin-Southwestern St. Lawrence- Lamoille-Washington-Western Addison-Orange-Western Rutland- Windsor-Eastern Franklin-Eastern Chittenden-Eastern Addison- Eastern Rutland- Including the cities of Massena, Malone, Ogdensburg, Potsdam, Gouverneur, Johnson, Stowe, Montpelier, Middlebury, Vergennes, Bradford, Randolph, Rutland, Springfield, White River Junction, Enosburg Falls, Richford, Underhill, Bristol, Ripton, East Wallingford, and Killington 319 AM EDT Thu May 13 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING... * WHAT...Temperatures in the 32 to 36 degree range will result in frost formation. * WHERE...Portions of central, northwest and southern Vermont and the Saint Lawrence Valley in northern New York. * WHEN...From 2 AM to 8 AM EDT Thursday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
653 WWUS71 KBTV 131111 NPWBTV URGENT - WEATHER MESSAGE National Weather Service Burlington VT 711 AM EDT Thu May 13 2021 NYZ026-027-087-VTZ006-008>012-016>019-131215- /O.CAN.KBTV.FR.Y.0003.000000T0000Z-210513T1200Z/ Northern St. Lawrence-Northern Franklin-Southwestern St. Lawrence- Lamoille-Washington-Western Addison-Orange-Western Rutland- Windsor-Eastern Franklin-Eastern Chittenden-Eastern Addison- Eastern Rutland- Including the cities of Massena, Malone, Ogdensburg, Potsdam, Gouverneur, Johnson, Stowe, Montpelier, Middlebury, Vergennes, Bradford, Randolph, Rutland, Springfield, White River Junction, Enosburg Falls, Richford, Underhill, Bristol, Ripton, East Wallingford, and Killington 711 AM EDT Thu May 13 2021 ...FROST ADVISORY IS CANCELLED... Temperatures are starting to quickly warm into the upper 30s to lower 40s following the sunrise. Thus, the frost advisory has been cancelled. $$
Nearby
Frost Advisories in Vermont, 2021Frost Advisories in New York, 2021Every frost advisory 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.