Alert archive / New York / Winter Storm Warnings in 2021
Winter Storm Warning 4, NWS Albany, NY
NWS Albany, NY issued this winter storm warning at Mar 31, 2021, 3:51 AM EDT for Hamilton County, Herkimer County, New York. It took effect at Apr 1, 2021, 2:00 AM EDT. It was in force for 92 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Mar 31, 2021, 3:51 AM EDT (07:51 UTC)
- In effect from
- Apr 1, 2021, 2:00 AM EDT
- Expired
- Apr 1, 2021, 3:32 AM EDT
- In force
- 92 min
- Issued by
- NWS Albany, NY
Counties Hamilton County, NY, Herkimer County, NY
The radar
The Ft Drum radar (KTYX), 80 km from the middle of the area, began a volume at 07:53 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, 7.9 hours before the alert went out and 119 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
- 2165 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 198 m²/s²
- 0-3 km storm-relative helicity
- 403 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
797 WWUS41 KALY 310751 WSWALY URGENT - WINTER WEATHER MESSAGE National Weather Service Albany NY 351 AM EDT Wed Mar 31 2021 NYZ032-033-312015- /O.UPG.KALY.WS.A.0006.210401T0600Z-210402T0000Z/ /O.NEW.KALY.WS.W.0004.210401T0600Z-210402T0000Z/ Northern Herkimer-Hamilton- Including the cities of Big Moose, Eagle Bay, McKeever, Old Forge, Atwell, Nobleboro, Northwood, Long Lake, Sabattis, Hoffmeister, and Wells 351 AM EDT Wed Mar 31 2021 ...WINTER STORM WARNING IN EFFECT FROM 2 AM TO 8 PM EDT THURSDAY... * WHAT...Heavy snow expected. Total snow accumulations of 5 to 9 inches. * WHERE...Northern Herkimer and Hamilton Counties. * WHEN...From 2 AM to 8 PM EDT Thursday. * IMPACTS...Travel could be very difficult. * ADDITIONAL DETAILS...The heaviest snow in Hamilton County will be across northwest portions. Snowfall rates of up to one inch per hour will be possible early Thursday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. && $$ NYZ038-312015- /O.UPG.KALY.WS.A.0006.210401T0600Z-210402T0000Z/ /O.NEW.KALY.WW.Y.0015.210401T0600Z-210402T0000Z/ Southern Herkimer- Including the cities of Ilion, Herkimer, Little Falls, Mohawk, Frankfort, and Dolgeville 351 AM EDT Wed Mar 31 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 2 AM TO 8 PM EDT THURSDAY... * WHAT...Snow expected. Total snow accumulations of 3 to 6 inches. * WHERE...Southern Herkimer County. * WHEN...From 2 AM to 8 PM EDT Thursday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Thursday morning and evening commutes. * ADDITIONAL DETAILS...Snowfall rates could briefly reach up to one inch per hour Thursday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. && $$ NYZ082-312015- /O.NEW.KALY.WW.Y.0015.210401T0600Z-210402T0000Z/ Northern Fulton- Including the city of Caroga Lake 351 AM EDT Wed Mar 31 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 2 AM TO 8 PM EDT THURSDAY... * WHAT...Snow expected. Total snow accumulations of 2 to 5 inches. * WHERE...Northern Fulton County. * WHEN...From 2 AM to 8 PM EDT Thursday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning or evening commute. * ADDITIONAL DETAILS...Snowfall rates could briefly reach up to one inch per hour Thursday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. && $$
2 follow-up statements
727 WWUS41 KALY 311943 WSWALY URGENT - WINTER WEATHER MESSAGE National Weather Service Albany NY 343 PM EDT Wed Mar 31 2021 NYZ032-033-010900- /O.CON.KALY.WS.W.0004.210401T0600Z-210402T0000Z/ Northern Herkimer-Hamilton- Including the cities of Big Moose, Eagle Bay, McKeever, Old Forge, Atwell, Nobleboro, Northwood, Long Lake, Sabattis, Hoffmeister, and Wells 343 PM EDT Wed Mar 31 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 2 AM TO 8 PM EDT THURSDAY... * WHAT...Heavy snow expected. Total snow accumulations of 4 to 8 inches. * WHERE...Northern Herkimer and Hamilton Counties. * WHEN...From 2 AM to 8 PM EDT Thursday. * IMPACTS...Plan on slippery road conditions. * ADDITIONAL DETAILS...The heaviest snow in Hamilton County will be across northwest portions of the county. Snowfall rates of around a half inch per hour expected late tonight into Thursday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. && $$ NYZ038-082-010900- /O.CON.KALY.WW.Y.0015.210401T0600Z-210402T0000Z/ Southern Herkimer-Northern Fulton- Including the cities of Ilion, Herkimer, Little Falls, Mohawk, Frankfort, Dolgeville, and Caroga Lake 343 PM EDT Wed Mar 31 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 PM EDT THURSDAY... * WHAT...Snow expected. Total snow accumulations of 2 to 5 inches. * WHERE...Southern Herkimer and Northern Fulton Counties. * WHEN...From 2 AM to 8 PM EDT Thursday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Thursday morning and evening commutes. * ADDITIONAL DETAILS...Snowfall rates of up to half inch per hour expected late tonight into Thursday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. && $$
060 WWUS41 KALY 010732 WSWALY URGENT - WINTER WEATHER MESSAGE National Weather Service Albany NY 332 AM EDT Thu Apr 1 2021 NYZ032-033-012100- /O.CAN.KALY.WS.W.0004.000000T0000Z-210402T0000Z/ /O.EXA.KALY.WW.Y.0015.000000T0000Z-210402T0000Z/ Northern Herkimer-Hamilton- Including the cities of Big Moose, Eagle Bay, McKeever, Old Forge, Atwell, Nobleboro, Northwood, Long Lake, Sabattis, Hoffmeister, and Wells 332 AM EDT Thu Apr 1 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...WINTER STORM WARNING IS CANCELLED... * WHAT...Snow. Additional snow accumulations of 3 to 6 inches. * WHERE...Northern Herkimer and Hamilton Counties. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Plan on slippery road conditions. * ADDITIONAL DETAILS...The heaviest snow in Hamilton County will be across northwest portions of the county. Snowfall rates of around a half inch per hour expected this morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. && $$ NYZ038-082-012100- /O.CON.KALY.WW.Y.0015.000000T0000Z-210402T0000Z/ Southern Herkimer-Northern Fulton- Including the cities of Ilion, Herkimer, Little Falls, Mohawk, Frankfort, Dolgeville, and Caroga Lake 332 AM EDT Thu Apr 1 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Snow expected. Total snow accumulations of 2 to 5 inches. * WHERE...Southern Herkimer and Northern Fulton Counties. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Plan on slippery road conditions. * ADDITIONAL DETAILS...Snowfall rates of up to half inch per hour expected late tonight into Thursday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. && $$
The office that day
Everything else NWS Albany, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 31, 3:51 AM EDT | Winter Weather Advisory | ALY | Fulton, Hamilton, Herkimer | 30 hr |
Nearby
Winter Storm Warnings in New York, 2021Every winter storm 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.