Alert archive / New York / Special Weather Statements in 2021

Special Weather Statement, NWS Buffalo, NY

September 8, 2021Niagara County, New York

NWS Buffalo, NY issued this special weather statement at Sep 8, 2021, 5:11 AM EDT for Niagara County, New York. It was in force for 64 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
Sep 8, 2021, 5:11 AM EDT (09:11 UTC)
Expired
Sep 8, 2021, 6:15 AM EDT
In force
64 min
Issued by
NWS Buffalo, NY
Hail
0.00 in
Wind
40

County Niagara County, NY

The radar

The Buffalo radar (KBUF), 24 km from the middle of the area, began a volume at 09:12 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 00:00Z, 9.2 hours before the alert went out and 28 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 2021-09-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 146 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 2021-09-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 140 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
146 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
1665 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
140 m²/s²
0-3 km storm-relative helicity
201 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

The text

As transmitted.

046 
WWUS81 KBUF 080911
SPSBUF

Special Weather Statement
National Weather Service Buffalo NY
511 AM EDT Wed Sep 8 2021
 
NYZ001-010-081015-
Niagara NY-Northern Erie NY-
511 AM EDT Wed Sep 8 2021

...Strong thunderstorms will impact portions of northeastern Erie and
Niagara Counties through 615 AM EDT...

At 511 AM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from 8 miles west of Newfane to 26 miles southwest
of Niagara Falls. Movement was east at 25 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, Niagara Falls, North Tonawanda, Clarence,
Lockport, Kenmore, Depew, Tonawanda, Amherst, Lancaster,
Williamsville, Grand Island, Newfane, Pendleton, Akron, Lewiston,
Alden, Youngstown and Middleport.

This includes Interstate 90 between exits 51 and 49.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

&&

LAT...LON 4311 7906 4312 7907 4314 7904 4317 7905
      4325 7906 4332 7899 4340 7862 4341 7847
      4290 7848 4294 7892 4296 7893 4296 7896
      4298 7901 4302 7902 4306 7900 4308 7908
TIME...MOT...LOC 0911Z 271DEG 23KT 4328 7886 4288 7948 

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

$$

TMA

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 7, 10:44 PM EDTSpecial Marine WarningBUF61 min
Sep 7, 11:02 PM EDTSpecial Weather StatementBUFNiagara28 min
Sep 8, 12:41 AM EDTSpecial Weather StatementBUFNiagara49 min
Sep 8, 4:10 AM EDTBeach Hazards StatementBUFChautauqua, Erie19 hr
Sep 8, 5:27 AM EDTSpecial Marine WarningBUF33 min
Sep 8, 5:58 AM EDTSpecial Weather StatementBUFOrleans32 min
Sep 8, 7:12 AM EDTSpecial Weather StatementBUFErie63 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.