Alert archive / New York / Winter Storm Watches in 2021
Winter Storm Watch 2, NWS New York, NY
NWS New York, NY issued this winter storm watch at Feb 5, 2021, 3:29 PM EST for 5 counties in New Jersey; 4 counties in Connecticut; 8 counties in New York. It took effect at Feb 7, 2021, 4:00 AM EST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Feb 5, 2021, 3:29 PM EST (20:29 UTC)
- In effect from
- Feb 7, 2021, 4:00 AM EST
- Expired
- Feb 6, 2021, 4:00 AM EST
- In force
- Issued by
- NWS New York, NY
Counties Greater Bridgeport Planning Region, CT, Lower Connecticut River Valley Planning Region, CT, Naugatuck Valley Planning Region, CT, Southeastern Connecticut Planning Region, CT, Bergen County, NJ, Essex County, NJ, Hudson County, NJ, Passaic County, NJ, Union County, NJ, Bronx County, NY, Kings County, NY, Nassau County, NY, New York County, NY, Queens County, NY, Richmond County, NY, Suffolk County, NY, Westchester County, NY
The radar
The Brookhaven radar (KOKX), 65 km from the middle of the area, began a volume at 20:28 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, 8.5 hours before the alert went out and 65 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
- 1773 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 247 m²/s²
- 0-3 km storm-relative helicity
- 341 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
605 WWUS41 KOKX 052029 WSWOKX URGENT - WINTER WEATHER MESSAGE National Weather Service New York NY 329 PM EST Fri Feb 5 2021 CTZ007>012-NJZ004-006-104>108-NYZ071>075-078>081-176>179-060930- /O.NEW.KOKX.WS.A.0002.210207T0900Z-210207T2300Z/ Northern Middlesex-Northern New London-Southern Fairfield- Southern New Haven-Southern Middlesex-Southern New London- Eastern Passaic-Hudson-Eastern Bergen-Western Essex-Eastern Essex- Western Union-Eastern Union-Southern Westchester- New York (Manhattan)-Bronx-Richmond (Staten Island)- Kings (Brooklyn)-Northwestern Suffolk-Northeastern Suffolk- Southwestern Suffolk-Southeastern Suffolk-Northern Queens- Northern Nassau-Southern Queens-Southern Nassau- 329 PM EST Fri Feb 5 2021 ...WINTER STORM WATCH IN EFFECT FROM LATE SATURDAY NIGHT THROUGH SUNDAY AFTERNOON... * WHAT...Heavy snow possible. Total snow accumulations of 5 to 7 inches possible. * WHERE...Portions of northeast New Jersey, southern Connecticut and southeast New York. * WHEN...From late Saturday night through Sunday afternoon. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ For more information from the National Weather Service visit https://weather.gov/nyc
1 follow-up statement
718 WWUS41 KOKX 060900 WSWOKX URGENT - WINTER WEATHER MESSAGE National Weather Service New York NY 400 AM EST Sat Feb 6 2021 CTZ007-008-011-012-NYZ078>081-062100- /O.UPG.KOKX.WS.A.0002.210207T0900Z-210207T2300Z/ /O.NEW.KOKX.WS.W.0002.210207T1100Z-210208T0200Z/ Northern Middlesex-Northern New London-Southern Middlesex- Southern New London-Northwestern Suffolk-Northeastern Suffolk- Southwestern Suffolk-Southeastern Suffolk- 400 AM EST Sat Feb 6 2021 ...WINTER STORM WARNING IN EFFECT FROM 6 AM TO 9 PM EST SUNDAY... * WHAT...Heavy snow expected. Total snow accumulations of 5 to 9 inches. * WHERE...Portions of southern Connecticut and southeast New York. * WHEN...From 6 AM to 9 PM EST Sunday. * IMPACTS...Travel could be very difficult. * ADDITIONAL DETAILS...Snowfall rates may exceed 2+ inches per hour for a period during the late morning and early afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Check local Department of Transportation information services for the latest road conditions. && $$ CTZ009-010-NJZ004-006-104>108-NYZ071>075-176>179-062100- /O.UPG.KOKX.WS.A.0002.210207T0900Z-210207T2300Z/ /O.NEW.KOKX.WS.W.0002.210207T1100Z-210208T0200Z/ Southern Fairfield-Southern New Haven-Eastern Passaic-Hudson- Eastern Bergen-Western Essex-Eastern Essex-Western Union- Eastern Union-Southern Westchester-New York (Manhattan)-Bronx- Richmond (Staten Island)-Kings (Brooklyn)-Northern Queens- Northern Nassau-Southern Queens-Southern Nassau- 400 AM EST Sat Feb 6 2021 ...WINTER STORM WARNING IN EFFECT FROM 6 AM TO 9 PM EST SUNDAY... * WHAT...Heavy snow expected. Total snow accumulations of 5 to 7 inches. * WHERE...Portions of northeast New Jersey, southern Connecticut and southeast New York. * WHEN...From 6 AM to 9 PM EST Sunday. * IMPACTS...Travel could be very difficult. * ADDITIONAL DETAILS...Snowfall rates may exceed 1+ inches per hour for a period during the late morning and early afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Check local Department of Transportation information services for the latest road conditions. && $$ CTZ006-NJZ103-062100- /O.NEW.KOKX.WS.W.0002.210207T1100Z-210208T0200Z/ Northern New Haven-Western Bergen- 400 AM EST Sat Feb 6 2021 ...WINTER STORM WARNING IN EFFECT FROM 6 AM TO 9 PM EST SUNDAY... * WHAT...Heavy snow expected. Total snow accumulations of 5 to 7 inches. * WHERE...In New Jersey, Western Bergen County. In Connecticut, Northern New Haven County. * WHEN...From 6 AM to 9 PM EST Sunday. * IMPACTS...Travel could be very difficult. * ADDITIONAL DETAILS...Snowfall rates may exceed 1+ inches per hour for a period during the late morning and early afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Check local Department of Transportation information services for the latest road conditions. && $$ CTZ005-NJZ002-NYZ067>070-062100- /O.NEW.KOKX.WW.Y.0003.210207T1100Z-210208T0200Z/ Northern Fairfield-Western Passaic-Orange-Putnam-Rockland- Northern Westchester- 400 AM EST Sat Feb 6 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM TO 9 PM EST SUNDAY... * WHAT...Snow expected. Total snow accumulations of 3 to 6 inches. * WHERE...Portions of northeast New Jersey, southern Connecticut and southeast New York. * WHEN...From 6 AM to 9 PM EST Sunday. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Check local Department of Transportation information services for the latest road conditions. && $$ For more information from the National Weather Service visit https://weather.gov/nyc
The office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 5, 3:34 PM EST | Small Craft Advisory | OKX | 27 hr |
Nearby
Winter Storm Watches in New York, 2021Winter Storm Watches in New Jersey, 2021Winter Storm Watches in Connecticut, 2021Every winter storm watch 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.