Alert archive / New York / Frost Advisories in 2021
Frost Advisory 8, NWS New York, NY
NWS New York, NY issued this frost advisory at Nov 19, 2021, 3:52 AM EST for 4 counties in New York; Hudson County, New Jersey. It took effect at Nov 20, 2021, 1:00 AM EST. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Nov 19, 2021, 3:52 AM EST (08:52 UTC)
- In effect from
- Nov 20, 2021, 1:00 AM EST
- Expired
- Nov 20, 2021, 9:00 AM EST
- In force
- 8 hr
- Issued by
- NWS New York, NY
Counties Hudson County, NJ, Bronx County, NY, Kings County, NY, New York County, NY, Queens County, NY
The radar
The Brookhaven radar (KOKX), 93 km from the middle of the area, began a volume at 08:52 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 93 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
- 1212 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 226 m²/s²
- 0-3 km storm-relative helicity
- 240 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
628 WWUS71 KOKX 190852 NPWOKX URGENT - WEATHER MESSAGE National Weather Service New York NY 352 AM EST Fri Nov 19 2021 NJZ006-NYZ072-073-075-176-178-192130- /O.NEW.KOKX.FR.Y.0008.211120T0600Z-211120T1400Z/ Hudson-New York (Manhattan)-Bronx-Kings (Brooklyn)- Northern Queens-Southern Queens- 352 AM EST Fri Nov 19 2021 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM EST SATURDAY... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...In New Jersey, Hudson County. In New York, New York (Manhattan), Bronx, Kings (Brooklyn), Northern Queens and Southern Queens Counties. * WHEN...From 1 AM to 9 AM EST Saturday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
3 follow-up statements
693 WWUS71 KOKX 192031 NPWOKX URGENT - WEATHER MESSAGE National Weather Service New York NY 331 PM EST Fri Nov 19 2021 NJZ006-NYZ072-073-075-176-178-201015- /O.CON.KOKX.FR.Y.0008.211120T0600Z-211120T1400Z/ Hudson-New York (Manhattan)-Bronx-Kings (Brooklyn)- Northern Queens-Southern Queens- 331 PM EST Fri Nov 19 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 9 AM EST SATURDAY... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...In New Jersey, Hudson County. In New York, New York (Manhattan), Bronx, Southern Queens, Kings (Brooklyn) and Northern Queens Counties. * WHEN...From 1 AM to 9 AM EST Saturday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
484 WWUS71 KOKX 200832 NPWOKX URGENT - WEATHER MESSAGE National Weather Service New York NY 332 AM EST Sat Nov 20 2021 NJZ006-NYZ072-073-075-176-178-201300- /O.CON.KOKX.FR.Y.0008.000000T0000Z-211120T1400Z/ Hudson-New York (Manhattan)-Bronx-Kings (Brooklyn)- Northern Queens-Southern Queens- 332 AM EST Sat Nov 20 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EST THIS MORNING... * WHAT...Temperatures as low as 35 will result in frost formation. * WHERE...In New Jersey, Hudson County. In New York, New York (Manhattan), Bronx, Southern Queens, Kings (Brooklyn) and Northern Queens Counties. * WHEN...Until 9 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. && $$
461 WWUS71 KOKX 201251 NPWOKX URGENT - WEATHER MESSAGE National Weather Service New York NY 751 AM EST Sat Nov 20 2021 NJZ006-NYZ072-073-075-176-178-201400- /O.CON.KOKX.FR.Y.0008.000000T0000Z-211120T1400Z/ Hudson-New York (Manhattan)-Bronx-Kings (Brooklyn)- Northern Queens-Southern Queens- 751 AM EST Sat Nov 20 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EST THIS MORNING... * WHAT...Temperatures as low as 35 will result in frost formation. * WHERE...In New Jersey, Hudson County. In New York, New York (Manhattan), Bronx, Southern Queens, Kings (Brooklyn) and Northern Queens Counties. * WHEN...Until 9 AM EST this morning. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
Nearby
Frost Advisories in New York, 2021Frost Advisories in New Jersey, 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.