Alert archive / New York / Special Weather Statements in 2021

Special Weather Statement, NWS Buffalo, NY

June 8, 2021Cattaraugus County, New York

NWS Buffalo, NY issued this special weather statement at Jun 8, 2021, 1:02 PM EDT for Cattaraugus County, New York. It was in force for 28 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
Jun 8, 2021, 1:02 PM EDT (17:02 UTC)
Expired
Jun 8, 2021, 1:30 PM EDT
In force
28 min
Issued by
NWS Buffalo, NY

County Cattaraugus County, NY

The radar

The Buffalo radar (KBUF), 69 km from the middle of the area, began a volume at 17:00 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, 5.0 hours before the alert went out and 68 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 2021-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 235 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2021-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 square meters per square second.1939Sfc1 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
235 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
595 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
41 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

578 
WWUS81 KBUF 081702
SPSBUF

Special Weather Statement
National Weather Service Buffalo NY
102 PM EDT Tue Jun 8 2021

NYZ019-020-085-081730-
Chautauqua-Cattaraugus-Southern Erie-
102 PM EDT Tue Jun 8 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT NORTHWESTERN
CATTARAUGUS...SOUTHEASTERN ERIE AND SOUTHERN CHAUTAUQUA COUNTIES...

At 102 PM EDT, radar indicated strong thunderstorms were located
along a line extending from near Ashford Hollow to near Waterford.
Movement was east at 20 mph.

Locations impacted include...
Jamestown, Salamanca, Allegany State Park, Springville, Lakewood,
Gowanda, Falconer, Ashford, Arcade, Long Point State Park, Jamestown
West, Frewsburg, Ashford Hollow, Chaffee, Concord, Busti, Collins,
Yorkshire, Sardinia and New Albion.

This includes Interstate 86 between exits 7 and 20.
 
Torrential rainfall is occurring with these storms, and may cause 
localized flooding. Do not drive your vehicle through flooded 
roadways.

LAT...LON 4203 7973 4250 7893 4253 7880 4257 7848
      4252 7846 4252 7837 4202 7884
TIME...MOT...LOC 1702Z 262DEG 16KT 4240 7877 4200 7994 
$$

Kelly

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 8, 11:48 AM EDTSpecial Weather StatementBUFChautauqua117 min
Jun 8, 4:13 PM EDTSpecial Weather StatementBUFOrleans47 min
Jun 8, 4:43 PM EDTSpecial Weather StatementBUFWayne32 min
Jun 8, 4:59 PM EDTSpecial Weather StatementBUFNiagara46 min
Jun 8, 7:03 PM EDTSpecial Weather StatementBUFCayuga27 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.