Alert archive / New York / Special Weather Statements in 2021

Special Weather Statement, NWS Buffalo, NY

November 12, 2021Cattaraugus County, New York

NWS Buffalo, NY issued this special weather statement at Nov 12, 2021, 1:21 AM EST for Cattaraugus County, New York. It was in force for 39 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
Nov 12, 2021, 1:21 AM EST (06:21 UTC)
Expired
Nov 12, 2021, 2:00 AM EST
In force
39 min
Issued by
NWS Buffalo, NY
Hail
0.00 in
Wind
50

County Cattaraugus County, NY

The radar

The Buffalo radar (KBUF), 80 km from the middle of the area, began a volume at 06:20 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 00:00Z, 6.4 hours before the alert went out and 78 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 00:00Z on 2021-11-12Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 00:00Z on 2021-11-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 318 square meters per square second.19395878Sfc1 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
1716 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
318 m²/s²
0-3 km storm-relative helicity
303 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

094 
WWUS81 KBUF 120621
SPSBUF

Special Weather Statement
National Weather Service Buffalo NY
121 AM EST Fri Nov 12 2021
 
NYZ019-020-085-120700-
Chautauqua NY-Cattaraugus NY-Southern Erie NY-
121 AM EST Fri Nov 12 2021

...A line of showers with strong winds will impact portions of 
Cattaraugus, southern Erie and northeastern Chautauqua Counties 
through 200 AM EST...

At 119 AM EST, Doppler radar was tracking showers along a line 
extending from near Silver Creek to 6 miles southeast of Frewsburg. 
Movement was east at 30 mph.

HAZARD...Wind gusts up to 50 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects.

Locations impacted include...
Olean, Salamanca, Allegany State Park, Springville, Gowanda, Ashford,
Allegany, Franklinville, Weston Mills, St. Bonaventure, Ashford
Hollow, East Concord, Concord, Collins, Yorkshire, Holland, Sardinia,
Hinsdale, Great Valley and New Albion.

This includes Interstate 86 between exits 15 and 27.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

&&

LAT...LON 4200 7903 4252 7920 4264 7853 4200 7831
TIME...MOT...LOC 0619Z 249DEG 24KT 4250 7912 4201 7904 

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH

$$

TMA

Nearby

Special Weather Statements in New York, 2021Every 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.