Alert archive / New York / Freeze Warnings in 2021
Freeze Warning 1, NWS New York, NY
NWS New York, NY issued this freeze warning at Apr 1, 2021, 3:18 PM EDT for 6 counties in New York; Essex County, Hudson County, Union County, New Jersey. It took effect at Apr 2, 2021, 2:00 AM EDT. It was in force for 8 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
- Apr 1, 2021, 3:18 PM EDT (19:18 UTC)
- In effect from
- Apr 2, 2021, 2:00 AM EDT
- Expired
- Apr 2, 2021, 9:51 AM EDT
- In force
- 8 hr
- Issued by
- NWS New York, NY
Counties Essex County, NJ, Hudson County, NJ, Union County, NJ, Bronx County, NY, Kings County, NY, Nassau County, NY, New York County, NY, Queens County, NY, Richmond County, NY
The radar
The Philadelphia radar (KDIX), 91 km from the middle of the area, began a volume at 19:16 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 12:00Z, 7.3 hours before the alert went out and 98 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
- 553 m above ground
- 0-6 km bulk shear
- 75 kt
- 0-1 km storm-relative helicity
- -62 m²/s²
- 0-3 km storm-relative helicity
- 255 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
786 WWUS71 KOKX 011918 NPWOKX URGENT - WEATHER MESSAGE National Weather Service Upton NY 318 PM EDT Thu Apr 1 2021 NJZ006-106-108-NYZ072>075-176-178-179-021000- /O.UPG.KOKX.FZ.A.0001.210402T0600Z-210402T1300Z/ /O.NEW.KOKX.FZ.W.0001.210402T0600Z-210402T1400Z/ /O.NEW.KOKX.FZ.A.0002.210403T0600Z-210403T1300Z/ Hudson-Eastern Essex-Eastern Union-New York (Manhattan)-Bronx- Richmond (Staten Island)-Kings (Brooklyn)-Northern Queens- Southern Queens-Southern Nassau- 318 PM EDT Thu Apr 1 2021 ...FREEZE WARNING IN EFFECT FROM 2 AM TO 10 AM EDT FRIDAY... ...FREEZE WATCH IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Freeze Warning, sub-freezing temperatures as low as 30 expected. For the Freeze Watch, sub-freezing temperatures as low as 29 possible. * WHERE...In New Jersey, Hudson, Eastern Essex and Eastern Union Counties. In New York, New York (Manhattan), Bronx, Richmond (Staten Island), Kings (Brooklyn), Northern Queens, Southern Queens and Southern Nassau Counties. * WHEN...For the Freeze Warning, from 2 AM to 10 AM EDT Friday. For the Freeze Watch, from late Friday night through Saturday 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. && $$ NYZ177-021000- /O.NEW.KOKX.FZ.W.0001.210402T0600Z-210402T1400Z/ /O.NEW.KOKX.FZ.A.0002.210403T0600Z-210403T1300Z/ Northern Nassau- 318 PM EDT Thu Apr 1 2021 ...FREEZE WARNING IN EFFECT FROM 2 AM TO 10 AM EDT FRIDAY... ...FREEZE WATCH IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SATURDAY MORNING... * WHAT...For the Freeze Warning, sub-freezing temperatures as low as 30 expected. For the Freeze Watch, sub-freezing temperatures as low as 29 possible. * WHERE...Northern Nassau County. * WHEN...For the Freeze Warning, from 2 AM to 10 AM EDT Friday. For the Freeze Watch, from late Friday night through Saturday morning. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$
2 follow-up statements
916 WWUS71 KOKX 020715 NPWOKX URGENT - WEATHER MESSAGE National Weather Service Upton NY 315 AM EDT Fri Apr 2 2021 NJZ006-106-108-NYZ072>075-176>179-021645- /O.CON.KOKX.FZ.W.0001.000000T0000Z-210402T1400Z/ /O.CON.KOKX.FZ.A.0002.210403T0600Z-210403T1300Z/ Hudson-Eastern Essex-Eastern Union-New York (Manhattan)-Bronx- Richmond (Staten Island)-Kings (Brooklyn)-Northern Queens- Northern Nassau-Southern Queens-Southern Nassau- 315 AM EDT Fri Apr 2 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM EDT THIS MORNING... ...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY MORNING... * WHAT...For the Freeze Warning, sub-freezing temperatures as low as 31. For the Freeze Watch, sub-freezing temperatures as low as 30 possible. * WHERE...Portions of northeast New Jersey and southeast New York. * WHEN...For the Freeze Warning, until 10 AM EDT this morning. For the Freeze Watch, from late tonight through Saturday 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. && $$
392 WWUS71 KOKX 021351 NPWOKX URGENT - WEATHER MESSAGE National Weather Service Upton NY 951 AM EDT Fri Apr 2 2021 NJZ006-106-108-NYZ072>075-176>179-022200- /O.CAN.KOKX.FZ.W.0001.000000T0000Z-210402T1400Z/ /O.CON.KOKX.FZ.A.0002.210403T0600Z-210403T1300Z/ Hudson-Eastern Essex-Eastern Union-New York (Manhattan)-Bronx- Richmond (Staten Island)-Kings (Brooklyn)-Northern Queens- Northern Nassau-Southern Queens-Southern Nassau- 951 AM EDT Fri Apr 2 2021 ...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY MORNING... ...FREEZE WARNING IS CANCELLED... * WHAT...Sub-freezing temperatures as low as 30 possible. * WHERE...Portions of northeast New Jersey and southeast New York. * WHEN...From late tonight through Saturday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$
The office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 1, 3:28 AM EDT | Freeze Watch | OKX | Bronx, Kings, Nassau, New York, Queens, Richmond | 12 hr |
| Apr 1, 3:18 PM EDT | Freeze Watch | OKX | Bronx, Kings, Nassau, New York, Queens, Richmond | 24 hr |
Nearby
Freeze Warnings in New York, 2021Freeze Warnings in New Jersey, 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.