Alert archive / New York / Special Weather Statements in 2017

Special Weather Statement, NWS Buffalo, NY

February 1, 2017Cattaraugus County, Chautauqua County, New York

NWS Buffalo, NY issued this special weather statement at Feb 1, 2017, 8:09 AM EST for Cattaraugus County, Chautauqua County, New York. It was in force for 81 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 1, 2017, 8:09 AM EST (13:09 UTC)
Expired
Feb 1, 2017, 9:30 AM EST
In force
81 min
Issued by
NWS Buffalo, NY

Counties Cattaraugus County, NY, Chautauqua County, NY

The radar

The Buffalo radar (KBUF), 87 km from the middle of the area, began a volume at 13:12 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

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 1.2 hours before the alert went out and 87 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, Buffalo Intl Airport, NY at 12:00Z on 2017-02-01Temperature 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, Buffalo Intl Airport, NY at 12:00Z on 2017-02-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 126 square meters per square second.1939587897117Sfc1 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
841 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
126 m²/s²
0-3 km storm-relative helicity
144 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

004 
WWUS81 KBUF 011309
SPSBUF

Special Weather Statement
National Weather Service Buffalo NY
809 AM EST WED FEB 1 2017

NYZ019-020-011430-
Chautauqua-Cattaraugus-
809 AM EST WED FEB 1 2017

...A BAND OF LAKE EFFECT SNOW WILL AFFECT CATTARAUGUS AND CHAUTAUQUA
COUNTIES...

A band of lake effect snow producing snow fall rates of 1 to 2 
inches per hour will briefly move across southern Chautauqua and 
southern Cattaraugus counties. This period of lake effect snow is 
expected to be relatively brief, lasting for a 1 to 2 hour period at 
any one location and producing a few inches of accumulation.

Locations impacted include...
Ripley, Sherman, Jamestown, Olean, Salamanca, Allegany State Park, 
Westfield, Lakewood, Falconer, Ashford, Allegany and Mayville.

This includes the following highways...
 Interstate 90 near exit 61.
 Interstate 86 between exits 4 and 27.

Use extra caution if you must travel into or through this band of 
heavy lake effect snow. Be prepared for very poor visibility and 
snow cover on roads.

LAT...LON 4237 7862 4221 7834 4200 7837 4200 7976
      4227 7976 4228 7973 4231 7977 4232 7967
$$

HITCHCOCK

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 1, 6:47 AM ESTSpecial Weather StatementBUFLewis58 min
Feb 1, 7:50 AM ESTSpecial Weather StatementBUFLewis85 min
Feb 1, 8:21 AM ESTLake Effect Snow WarningBUFCayuga, Jefferson, Lewis, Oswego, Wayne37 hr
Feb 1, 9:17 AM ESTSpecial Weather StatementBUFLewis73 min
Feb 1, 10:32 AM ESTSpecial Weather StatementBUFLewis73 min
Feb 1, 11:51 AM ESTSpecial Weather StatementBUFLewis54 min
Feb 1, 12:51 PM ESTSpecial Weather StatementBUFOswego54 min
Feb 1, 12:58 PM ESTLake Effect Snow WarningBUFCayuga, Jefferson, Lewis, Oswego, Wayne72 hr
Feb 1, 1:46 PM ESTSpecial Weather StatementBUFOswego44 min
Feb 1, 2:29 PM ESTSpecial Weather StatementBUFOswego61 min
Feb 1, 3:29 PM ESTSpecial Weather StatementBUFOswego46 min
Feb 1, 4:15 PM ESTSpecial Weather StatementBUFOswego60 min

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.