Alert archive / New York / Special Weather Statements in 2017

Special Weather Statement, NWS Buffalo, NY

December 10, 2017Lewis County, New York

NWS Buffalo, NY issued this special weather statement at Dec 10, 2017, 8:21 PM EST for Lewis 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
Dec 10, 2017, 8:21 PM EST (01:21 UTC)
Expired
Dec 10, 2017, 10:15 PM EST
In force
114 min
Issued by
NWS Buffalo, NY

County Lewis County, NY

The radar

The Ft Drum radar (KTYX), 12 km from the middle of the area, began a volume at 01:25 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, 1.4 hours before the alert went out and 203 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 00:00Z on 2017-12-11Temperature 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 00:00Z on 2017-12-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 164 square meters per square second.1939587897Sfc1 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
1163 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
164 m²/s²
0-3 km storm-relative helicity
209 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

486 
WWUS81 KBUF 110121
SPSBUF

Special Weather Statement
National Weather Service Buffalo NY
821 PM EST SUN DEC 10 2017

NYZ006>008-110315-
Jefferson-Oswego-Lewis-
821 PM EST SUN DEC 10 2017

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

At 816 PM EST, A band of lake effect snow is continuing to produce 
snow fall rates in excess of 2 inches per hour across southern 
Jefferson, extreme northern Oswego, and northern Lewis counties.

Locations impacted include...

Ellisburg, Adams, Worth, Barnes Corners, Copenhagen, Castorland, 
Croghan, Indian River, and West Carthage.

This includes Interstate 81 between exits 37 and 44.
 
Visibilities will drop quickly to near zero in this band of lake
effect snow.

Conditions can deteriorate rapidly in winter weather situations. 
Travel in this area is extremely hazardous.

LAT...LON 4363 7603 4361 7626 4369 7626 4385 7630
      4416 7530 4410 7517 4379 7513
$$

Wood

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 10, 8:09 PM ESTSpecial Weather StatementBUFErie, Genesee111 min
Dec 10, 9:58 PM ESTSpecial Weather StatementBUFLewis32 min
Dec 10, 10:03 PM ESTSpecial Weather StatementBUFErie117 min
Dec 10, 10:38 PM ESTSpecial Weather StatementBUFJefferson, Lewis82 min
Dec 11, 3:48 AM ESTWinter Storm WatchBUFCattaraugus, Cayuga, Chautauqua, Erie, Genesee, Jefferson and 7 more9 hr
Dec 11, 1:07 PM ESTLake Effect Snow WarningBUFCattaraugus, Chautauqua, Erie, Wyoming48 hr
Dec 11, 1:07 PM ESTWinter Storm WarningBUFCayuga, Jefferson, Lewis, Monroe, Oswego, Wayne54 hr
Dec 11, 1:07 PM ESTWinter Weather AdvisoryBUFAllegany, Erie, Genesee, Livingston, Niagara, Ontario and 1 more45 hr
Dec 11, 3:51 PM ESTSmall Craft AdvisoryBUF4 days

Nearby

Special Weather Statements in New York, 2017Every 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.