Alert archive / New York / Special Weather Statements in 2021

Special Weather Statement, NWS Buffalo, NY

May 26, 2021Allegany County, New York

NWS Buffalo, NY issued this special weather statement at May 26, 2021, 12:03 PM EDT for Allegany County, New York. It was in force for 27 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
May 26, 2021, 12:03 PM EDT (16:03 UTC)
Expired
May 26, 2021, 12:30 PM EDT
In force
27 min
Issued by
NWS Buffalo, NY

County Allegany County, NY

The radar

The Buffalo radar (KBUF), 104 km from the middle of the area, began a volume at 16:06 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, 4.1 hours before the alert went out and 101 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 2021-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 26 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 12:00Z on 2021-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 105 square meters per square second.193958Sfc1 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
26 J/kg
Mixed-layer CIN
-100 J/kg
Mixed-layer LCL
1679 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
105 m²/s²
0-3 km storm-relative helicity
127 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

065 
WWUS81 KBUF 261603
SPSBUF

Special Weather Statement
National Weather Service Buffalo NY
1203 PM EDT Wed May 26 2021

NYZ021-261630-
Allegany-
1203 PM EDT Wed May 26 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT EASTERN ALLEGANY
COUNTY...

At 1203 PM EDT, radar indicated strong thunderstorms were located
along a line extending from 7 miles west of Arkport to 6 miles
northeast of Shinglehouse. Movement was northeast at 45 mph.

Winds in excess of 40 mph and pea size hail are possible with these
storms.

Locations impacted include...
Wellsville, Alfred, Whitesville, Scio, Bolivar, Andover, Belmont,
Angelica, Alma, Canaseraga, Almond, West Almond, Birdsall, Stannards,
Knight Creek and Paynesville.

This includes Interstate 86 between exits 32 and 33.
 
If outdoors, consider seeking shelter inside a building.

LAT...LON 4200 7820 4240 7795 4247 7775 4247 7772
      4200 7775
TIME...MOT...LOC 1603Z 242DEG 38KT 4238 7784 4202 7810 
$$

Hitchcock

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 10:19 AM EDTSmall Craft AdvisoryBUF9 hr
May 26, 11:17 AM EDTSpecial Weather StatementBUFLivingston28 min
May 26, 11:31 AM EDTSpecial Weather StatementBUFWayne29 min
May 26, 11:44 AM EDTSpecial Weather StatementBUFLivingston16 min
May 26, 11:53 AM EDTSpecial Marine WarningBUF52 min
May 26, 11:59 AM EDTSevere Thunderstorm WarningBUFCayuga, Oswego, Wayne61 min
May 26, 12:36 PM EDTSevere Thunderstorm WarningBUFOswego39 min
May 26, 12:57 PM EDTSevere Thunderstorm WarningBUFLewis63 min
May 26, 1:57 PM EDTSpecial Weather StatementBUFChautauqua33 min
May 26, 2:05 PM EDTSevere Thunderstorm WarningBUFCattaraugus, Chautauqua43 min
May 26, 4:25 PM EDTSmall Craft AdvisoryBUF16 hr

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.