Alert archive / New York / Special Weather Statements in 2017

Special Weather Statement, NWS Buffalo, NY

February 3, 2017Jefferson County, New York

NWS Buffalo, NY issued this special weather statement at Feb 3, 2017, 3:21 PM EST for Jefferson County, New York. It was in force for 69 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: Feb 3, 2017, 3:21 PM EST (20:21 UTC)
Expired: Feb 3, 2017, 4:30 PM EST
In force: 69 min
Issued by: NWS Buffalo, NY

County Jefferson County, NY

The radar

The Ft Drum radar (KTYX), 39 km from the middle of the area, began a volume at 20:24 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, 8.4 hours before the alert went out and 216 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: 1268 m above ground
0-6 km bulk shear: 112 kt
0-1 km storm-relative helicity: 54 m²/s²
0-3 km storm-relative helicity: 145 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

465 
WWUS81 KBUF 032021
SPSBUF

Special Weather Statement
National Weather Service Buffalo NY
321 PM EST FRI FEB 3 2017

NYZ006>008-032130-
Jefferson-Oswego-Lewis-
321 PM EST FRI FEB 3 2017

...A BAND OF LAKE EFFECT SNOW WILL AFFECT SOUTHERN JEFFERSON... 
SOUTHWESTERN LEWIS AND NORTHERN OSWEGO COUNTIES...

A band of lake effect snow producing snow fall rates of up to 2 
inches per hour will continue across northern Oswego, southern 
Jefferson, and southwestern Lewis Counties through late afternoon. 
Localized snowfall rates of 2 to 3 inches per hour will be possible 
at times within this band.
This band of heavy lake effect snow will start to slowly drift south 
this evening.

Locations impacted include...
Sandy Island Beach State Park, Pulaski, Adams, Selkirk Shores State
Park, Highmarket, Barnes Corners, Southwick Beach State Park, Adams
Center, Richland and Rodman.

This includes Interstate 81 between exits 36 and 41.

Use extra caution if you must travel into or through this band of 
heavy lake effect snow. Be prepared for very poor visibility and 
deep snow cover on some roadways.
 
LAT...LON 4356 7550 4352 7643 4356 7643 4357 7636
      4356 7631 4356 7628 4358 7626 4369 7626
      4379 7630 4383 7636 4383 7635 4389 7552
$$

Mitchell

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 3, 3:56 AM EST	Lake Effect Snow Watch	BUF	Cayuga, Wayne	9 hr
Feb 3, 7:32 AM EST	Special Weather Statement	BUF	Oswego	118 min
Feb 3, 9:53 AM EST	Special Weather Statement	BUF	Oswego	112 min
Feb 3, 12:01 PM EST	Special Weather Statement	BUF	Oswego	89 min
Feb 3, 1:44 PM EST	Special Weather Statement	BUF	Jefferson	91 min
Feb 3, 1:53 PM EST	Special Weather Statement	BUF	Chautauqua	82 min
Feb 3, 4:37 PM EST	Special Weather Statement	BUF	Oswego	68 min

Nearby

Special Weather Statements in New York, 2017 Every special weather statement in 2017

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.