Alert archive / New York / Wind Chill Advisories in 2021
Wind Chill Advisory 2, NWS Buffalo, NY
NWS Buffalo, NY issued this wind chill advisory at Feb 11, 2021, 7:32 PM EST for Jefferson County, Lewis County, Oswego County, New York. It took effect at Feb 12, 2021, 12:00 AM EST. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Feb 11, 2021, 7:32 PM EST (00:32 UTC)
- In effect from
- Feb 12, 2021, 12:00 AM EST
- Expired
- Feb 12, 2021, 9:00 AM EST
- In force
- 9 hr
- Issued by
- NWS Buffalo, NY
Counties Jefferson County, NY, Lewis County, NY, Oswego County, NY
The radar
The Ft Drum radar (KTYX), 18 km from the middle of the area, began a volume at 00:33 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, 0.5 hours before the alert went out and 205 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
- 1655 m above ground
- 0-6 km bulk shear
- 91 kt
- 0-1 km storm-relative helicity
- -125 m²/s²
- 0-3 km storm-relative helicity
- -80 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
157 WWUS41 KBUF 120032 WSWBUF URGENT - WINTER WEATHER MESSAGE National Weather Service Buffalo NY 732 PM EST Thu Feb 11 2021 NYZ007-008-120845- /O.NEW.KBUF.WC.Y.0002.210212T0500Z-210212T1400Z/ Jefferson-Lewis- Including the cities of Watertown and Lowville 732 PM EST Thu Feb 11 2021 ...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EST FRIDAY... * WHAT...Very cold wind chills. Wind chills as low as 20 below zero. * WHERE...Jefferson and Lewis counties. * WHEN...From midnight tonight to 9 AM EST Friday. * IMPACTS...The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... This is a potentially dangerous situation to be outdoors. If you must be outside, be sure to cover all exposed skin. Frostbite can occur in 30 minutes or less with apparent temperatures of 15 below zero or colder. && $$ NYZ006-120845- /O.NEW.KBUF.WC.Y.0002.210212T0500Z-210212T1400Z/ Oswego- Including the city of Oswego 732 PM EST Thu Feb 11 2021 ...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EST FRIDAY... * WHAT...Very cold wind chills. Wind chills as low as 15 below zero. Coldest wind chills inland from Lake Ontario and on the Tug Hill plateau. * WHERE...Oswego county. * WHEN...From midnight tonight to 9 AM EST Friday. * IMPACTS...The cold wind chills could result in hypothermia if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... This is a potentially dangerous situation to be outdoors. If you must be outside, be sure to cover all exposed skin. Frostbite can occur in 30 minutes or less with apparent temperatures of 15 below zero or colder. && $$ TMA
2 follow-up statements
153 WWUS41 KBUF 120828 WSWBUF URGENT - WINTER WEATHER MESSAGE National Weather Service Buffalo NY 328 AM EST Fri Feb 12 2021 NYZ007-008-121400- /O.CON.KBUF.WC.Y.0002.000000T0000Z-210212T1400Z/ Jefferson-Lewis- Including the cities of Watertown and Lowville 328 AM EST Fri Feb 12 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM EST THIS MORNING... * WHAT...Very cold wind chills. Wind chills as low as 20 below zero. * WHERE...Jefferson and Lewis counties. * WHEN...Until 9 AM EST this morning. * IMPACTS...The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... This is a potentially dangerous situation to be outdoors. If you must be outside, be sure to cover all exposed skin. Frostbite can occur in 30 minutes or less with apparent temperatures of 15 below zero or colder. && $$ NYZ006-121400- /O.CON.KBUF.WC.Y.0002.000000T0000Z-210212T1400Z/ Oswego- Including the city of Oswego 328 AM EST Fri Feb 12 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM EST THIS MORNING... * WHAT...Very cold wind chills. Wind chills as low as 15 below zero. Coldest wind chills inland from Lake Ontario and on the Tug Hill plateau. * WHERE...Oswego county. * WHEN...Until 9 AM EST this morning. * IMPACTS...The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... This is a potentially dangerous situation to be outdoors. If you must be outside, be sure to cover all exposed skin. Frostbite can occur in 30 minutes or less with apparent temperatures of 15 below zero or colder. && $$ Reynolds
903 WWUS41 KBUF 121401 WSWBUF URGENT - WINTER WEATHER MESSAGE National Weather Service Buffalo NY 901 AM EST Fri Feb 12 2021 NYZ006>008-121515- /O.EXP.KBUF.WC.Y.0002.000000T0000Z-210212T1400Z/ Oswego-Jefferson-Lewis- Including the cities of Oswego, Watertown, and Lowville 901 AM EST Fri Feb 12 2021 ...WIND CHILL ADVISORY HAS EXPIRED... Temperatures will gradually rise during the day today so the wind chill advisory has expired. $$ Apffel
Nearby
Wind Chill Advisories in New York, 2021Every wind chill 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.