Alert archive / New York / Freeze Warnings in 2021
Freeze Warning 8, NWS New York, NY
NWS New York, NY issued this freeze warning at Nov 16, 2021, 3:54 AM EST for Richmond County, New York. It took effect at Nov 17, 2021, 1:00 AM EST. It was in force for 7 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Nov 16, 2021, 3:54 AM EST (08:54 UTC)
- In effect from
- Nov 17, 2021, 1:00 AM EST
- Expired
- Nov 17, 2021, 8:00 AM EST
- In force
- 7 hr
- Issued by
- NWS New York, NY
County Richmond County, NY
The radar
The Philadelphia radar (KDIX), 74 km from the middle of the area, began a volume at 08:55 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
Brookhaven, NY (KOKX), launched 00:00Z, 8.9 hours before the alert went out and 113 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
- 2 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 1360 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 70 m²/s²
- 0-3 km storm-relative helicity
- 76 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
344 WWUS71 KOKX 160854 NPWOKX URGENT - WEATHER MESSAGE National Weather Service New York NY 354 AM EST Tue Nov 16 2021 NYZ074-161700- /O.UPG.KOKX.FZ.A.0007.211117T0600Z-211117T1300Z/ /O.NEW.KOKX.FZ.W.0008.211117T0600Z-211117T1300Z/ Richmond (Staten Island)- 354 AM EST Tue Nov 16 2021 ...FREEZE WARNING IN EFFECT FROM 1 AM TO 8 AM EST WEDNESDAY... * WHAT...Subfreezing temperatures as low as 30. * WHERE...Richmond (Staten Island) County. * WHEN...From 1 AM to 8 AM EST Wednesday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ NJZ006-NYZ072-073-179-161700- /O.NEW.KOKX.FR.Y.0007.211117T0600Z-211117T1300Z/ Hudson-New York (Manhattan)-Bronx-Southern Nassau- 354 AM EST Tue Nov 16 2021 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM EST WEDNESDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...In New Jersey, Hudson County. In New York, New York (Manhattan), Bronx and Southern Nassau Counties. * WHEN...From 1 AM to 8 AM EST Wednesday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
4 follow-up statements
050 WWUS71 KOKX 161048 NPWOKX URGENT - WEATHER MESSAGE National Weather Service New York NY 548 AM EST Tue Nov 16 2021 NYZ074-162200- /O.CON.KOKX.FZ.W.0008.211117T0600Z-211117T1300Z/ Richmond (Staten Island)- 548 AM EST Tue Nov 16 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 8 AM EST WEDNESDAY... * WHAT...Subfreezing temperatures as low as 30. * WHERE...Richmond (Staten Island) County. * WHEN...From 1 AM to 8 AM EST Wednesday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ NJZ006-NYZ072-073-179-162200- /O.CON.KOKX.FR.Y.0007.211117T0600Z-211117T1300Z/ Hudson-New York (Manhattan)-Bronx-Southern Nassau- 548 AM EST Tue Nov 16 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM EST WEDNESDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...In New Jersey, Hudson County. In New York, New York (Manhattan), Bronx and Southern Nassau Counties. * WHEN...From 1 AM to 8 AM EST Wednesday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
882 WWUS71 KOKX 161919 NPWOKX URGENT - WEATHER MESSAGE National Weather Service Upton NY Issued by National Weather Service Boston/Norton MA 219 PM EST Tue Nov 16 2021 NYZ074-171000- /O.CON.KOKX.FZ.W.0008.211117T0600Z-211117T1300Z/ Richmond (Staten Island)- 219 PM EST Tue Nov 16 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 8 AM EST WEDNESDAY... * WHAT...Subfreezing temperatures as low as 30. * WHERE...Richmond (Staten Island) County. * WHEN...From 1 AM to 8 AM EST Wednesday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ NJZ006-NYZ072-073-179-171000- /O.CON.KOKX.FR.Y.0007.211117T0600Z-211117T1300Z/ Hudson-New York (Manhattan)-Bronx-Southern Nassau- 219 PM EST Tue Nov 16 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM EST WEDNESDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...In New Jersey, Hudson County. In New York, New York (Manhattan), Bronx and Southern Nassau Counties. * WHEN...From 1 AM to 8 AM EST Wednesday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
129 WWUS71 KOKX 170915 NPWOKX URGENT - WEATHER MESSAGE National Weather Service New York NY 415 AM EST Wed Nov 17 2021 NYZ074-171300- /O.CON.KOKX.FZ.W.0008.000000T0000Z-211117T1300Z/ Richmond (Staten Island)- 415 AM EST Wed Nov 17 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM EST THIS MORNING... * WHAT...Temperatures in the lower 30s. * WHERE...Richmond (Staten Island) County. * WHEN...Until 8 AM EST this morning. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ NJZ006-NYZ072-073-179-171300- /O.CON.KOKX.FR.Y.0007.000000T0000Z-211117T1300Z/ Hudson-New York (Manhattan)-Bronx-Southern Nassau- 415 AM EST Wed Nov 17 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EST THIS MORNING... * WHAT...Temperatures in the low to mid 30s will result in frost formation. * WHERE...In New Jersey, Hudson County. In New York, New York (Manhattan), Bronx and Southern Nassau Counties. * WHEN...Until 8 AM EST this morning. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
921 WWUS71 KOKX 171326 NPWOKX URGENT - WEATHER MESSAGE National Weather Service New York NY 826 AM EST Wed Nov 17 2021 NYZ074-171430- /O.EXP.KOKX.FZ.W.0008.000000T0000Z-211117T1300Z/ Richmond (Staten Island)- 826 AM EST Wed Nov 17 2021 ...FREEZE WARNING HAS EXPIRED... Temperatures have risen to above freezing, into the upper 30s and lower 40s. The freeze warning was allowed to expire. $$ NJZ006-NYZ072-073-179-171430- /O.EXP.KOKX.FR.Y.0007.000000T0000Z-211117T1300Z/ Hudson-New York (Manhattan)-Bronx-Southern Nassau- 826 AM EST Wed Nov 17 2021 ...FROST ADVISORY HAS EXPIRED... Temperatures have risen into the lower 40s and frost formation is no longer expected. The frost advisory was allowed to expire. $$
The office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 16, 3:54 AM EST | Frost Advisory | OKX | Bronx, Nassau, New York | 28 hr |
Nearby
Freeze Warnings in New York, 2021Every freeze 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.