Alert archive / New York / Special Weather Statements in 2021

Special Weather Statement, NWS Buffalo, NY

October 16, 2021Erie County, New York

NWS Buffalo, NY issued this special weather statement at Oct 16, 2021, 2:11 AM EDT for Erie County, New York. It was in force for 49 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
Oct 16, 2021, 2:11 AM EDT (06:11 UTC)
Expired
Oct 16, 2021, 3:00 AM EDT
In force
49 min
Issued by
NWS Buffalo, NY
Hail
0.00 in
Wind
40

County Erie County, NY

The radar

The Buffalo radar (KBUF), 9 km from the middle of the area, began a volume at 06:09 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, 6.2 hours before the alert went out and 9 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 2021-10-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 630 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2021-10-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 212 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
630 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
756 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
212 m²/s²
0-3 km storm-relative helicity
250 m²/s²
Significant tornado parameter
0.8
Supercell composite
4.7

Open this sounding in Storm Lab

The text

As transmitted.

120 
WWUS81 KBUF 160611
SPSBUF

Special Weather Statement
National Weather Service Buffalo NY
211 AM EDT Sat Oct 16 2021
 
NYZ010>012-085-160700-
Southern Erie NY-Wyoming NY-Genesee NY-Northern Erie NY-
211 AM EDT Sat Oct 16 2021

...A strong thunderstorm will impact portions of northwestern
Wyoming, northeastern Erie and southwestern Genesee Counties through
300 AM EDT...

At 210 AM EDT, Doppler radar was tracking a strong thunderstorm over
Lackawanna, moving northeast at 40 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

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

Locations impacted include...
Buffalo, Cheektowaga, West Seneca, Clarence, Lackawanna, Kenmore,
Depew, Amherst, Tonawanda, Lancaster, Hamburg, East Aurora,
Williamsville, Darien Lakes State Park, Elma, Marilla, Pembroke,
Bennington, Orchard Park and Akron.

This includes Interstate 90 between exits 57 and 48A.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

&&

LAT...LON 4280 7892 4284 7893 4289 7891 4291 7891
      4307 7875 4307 7833 4281 7831 4272 7883
      4279 7894
TIME...MOT...LOC 0610Z 232DEG 34KT 4281 7882 

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

$$

Thomas

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 15, 9:01 PM EDTSpecial Marine WarningBUF29 min
Oct 15, 9:15 PM EDTSpecial Weather StatementBUFNiagara45 min
Oct 15, 9:52 PM EDTSpecial Marine WarningBUF38 min
Oct 15, 10:31 PM EDTSpecial Marine WarningBUF59 min
Oct 15, 11:53 PM EDTSpecial Weather StatementBUFJefferson37 min
Oct 16, 1:42 AM EDTSpecial Marine WarningBUF42 min
Oct 16, 6:48 AM EDTSpecial Marine WarningBUF87 min
Oct 16, 8:03 AM EDTSpecial Weather StatementBUFOswego27 min
Oct 16, 8:31 AM EDTSpecial Weather StatementBUFOswego44 min
Oct 16, 9:13 AM EDTSpecial Weather StatementBUFLewis92 min

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.