Alert archive / New York / Special Weather Statements in 2021

Special Weather Statement, NWS Buffalo, NY

January 22, 2021Lewis County, Oswego County, New York

NWS Buffalo, NY issued this special weather statement at Jan 22, 2021, 4:51 AM EST for Lewis County, Oswego County, New York. It was in force for 114 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jan 22, 2021, 4:51 AM EST (09:51 UTC)
Expired: Jan 22, 2021, 6:45 AM EST
In force: 114 min
Issued by: NWS Buffalo, NY

Counties Lewis County, NY, Oswego County, NY

The radar

The Ft Drum radar (KTYX), 31 km from the middle of the area, began a volume at 09:53 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, 9.9 hours before the alert went out and 197 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1343 m above ground
0-6 km bulk shear: 66 kt
0-1 km storm-relative helicity: 221 m²/s²
0-3 km storm-relative helicity: 253 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

217 
WWUS81 KBUF 220951
SPSBUF

Special Weather Statement
National Weather Service Buffalo NY
451 AM EST Fri Jan 22 2021

NYZ006>008-221145-
Jefferson-Oswego-Lewis-
451 AM EST Fri Jan 22 2021

...A BAND OF LAKE EFFECT SNOW WILL AFFECT MUCH OF OSWEGO COUNTY AND 
SOUTHERN PORTIONS OF JEFFERSON AND LEWIS COUNTIES THIS MORNING...

At 450 AM EST, a band of lake effect snow was producing snow fall 
rates of 2 inches per hour. This band will remain nearly stationary 
through daybreak. Expect very poor travel conditions in this band of 
lake effect snow, with visibility below a quarter mile in heavy 
snow. Travel will be impacted on Interstate 81 between Parish and 
Adams. Route 26 south of Lowville will also be impacted.

Travel will be extremely difficult this morning, with slick spots and 
poor visibility.

LAT...LON 4342 7553 4348 7581 4335 7587 4344 7652
      4352 7651 4356 7645 4356 7631 4358 7626
      4377 7628 4392 7515 4361 7511

$$

Apffel

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 22, 3:25 AM EST	Lake Effect Snow Warning	BUF	Jefferson, Lewis, Oswego	10 hr
Jan 22, 3:25 AM EST	Winter Weather Advisory	BUF	Cayuga, Monroe, Orleans, Oswego, Wayne	31 hr
Jan 22, 3:38 AM EST	Small Craft Advisory	BUF		53 hr
Jan 22, 6:31 AM EST	Special Weather Statement	BUF	Oswego	89 min
Jan 22, 7:06 AM EST	Special Weather Statement	BUF	Niagara	54 min
Jan 22, 8:04 AM EST	Special Weather Statement	BUF	Niagara	56 min
Jan 22, 8:59 AM EST	Special Weather Statement	BUF	Monroe	76 min
Jan 22, 9:04 AM EST	Special Weather Statement	BUF	Wayne	56 min
Jan 22, 10:18 AM EST	Special Weather Statement	BUF	Monroe, Ontario, Wayne	72 min
Jan 22, 11:01 AM EST	Special Weather Statement	BUF	Allegany, Cattaraugus	59 min
Jan 22, 3:41 PM EST	Special Weather Statement	BUF	Oswego	49 min
Jan 22, 4:54 PM EST	Special Weather Statement	BUF	Oswego	66 min

Nearby

Special Weather Statements in New York, 2021 Every special weather statement 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.