Alert archive / New York / Wind Chill Advisories in 2020

Wind Chill Advisory 2, NWS Buffalo, NY

February 13, 2020Jefferson County, Lewis County, New York

NWS Buffalo, NY issued this wind chill advisory at Feb 13, 2020, 2:22 PM EST for Jefferson County, Lewis County, New York. It took effect at Feb 14, 2020, 4:00 AM EST. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Feb 13, 2020, 2:22 PM EST (19:22 UTC)
In effect from
Feb 14, 2020, 4:00 AM EST
Expired
Feb 14, 2020, 10:00 AM EST
In force
6 hr
Issued by
NWS Buffalo, NY

Counties Jefferson County, NY, Lewis County, NY

The radar

The Ft Drum radar (KTYX), 16 km from the middle of the area, began a volume at 19:24 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 12:00Z, 7.4 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.

Skew-T log-pSkew-T log-p diagram, Albany, NY at 12:00Z on 2020-02-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 12:00Z on 2020-02-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 133 square meters per square second.1939587897117136156Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
585 m above ground
0-6 km bulk shear
117 kt
0-1 km storm-relative helicity
133 m²/s²
0-3 km storm-relative helicity
412 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

448 
WWUS41 KBUF 131922
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
222 PM EST Thu Feb 13 2020

NYZ007-008-140400-
/O.NEW.KBUF.WC.Y.0002.200214T0900Z-200214T1500Z/
Jefferson-Lewis-
Including the cities of Watertown and Lowville
222 PM EST Thu Feb 13 2020

...WIND CHILL ADVISORY IN EFFECT FROM 4 AM TO 10 AM EST FRIDAY...

* WHAT...Very cold wind chills expected. Wind chills as low as 
  20 below zero.

* WHERE...Jefferson and Lewis counties.

* WHEN...From 4 AM to 10 AM EST Friday.

* IMPACTS...The cold wind chills could cause frostbite on 
  exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$
JLA
3 follow-up statements
874 
WWUS41 KBUF 140356
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
1056 PM EST Thu Feb 13 2020

NYZ007-008-141200-
/O.CON.KBUF.WC.Y.0002.200214T0900Z-200214T1500Z/
Jefferson-Lewis-
Including the cities of Watertown and Lowville
1056 PM EST Thu Feb 13 2020

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 4 AM TO 10 AM EST
FRIDAY...

* WHAT...Very cold wind chills expected. Wind chills as low as 
  20 below zero.

* WHERE...Jefferson and Lewis counties.

* WHEN...From 4 AM to 10 AM EST Friday.

* IMPACTS...The cold wind chills could cause frostbite on 
  exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$
963 
WWUS41 KBUF 140823
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
323 AM EST Fri Feb 14 2020

NYZ007-008-141500-
/O.CON.KBUF.WC.Y.0002.200214T0900Z-200214T1500Z/
Jefferson-Lewis-
Including the cities of Watertown and Lowville
323 AM EST Fri Feb 14 2020

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...

* WHAT...Very cold wind chills expected. Wind chills as low as 
  20 to 25 below zero.

* WHERE...Jefferson and Lewis counties.

* WHEN...Until 10 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.

&&

$$

Hitchcock
747 
WWUS41 KBUF 141507
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
1007 AM EST Fri Feb 14 2020

NYZ007-008-141615-
/O.EXP.KBUF.WC.Y.0002.000000T0000Z-200214T1500Z/
Jefferson-Lewis-
Including the cities of Watertown and Lowville
1007 AM EST Fri Feb 14 2020

...WIND CHILL ADVISORY HAS EXPIRED...

$$

JLA

The office that day

Everything else NWS Buffalo, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 13, 3:13 PM ESTSmall Craft AdvisoryBUF14 hr

Nearby

Wind Chill Advisories in New York, 2020Every wind chill advisory in 2020

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.