Alert archive / New York / Special Weather Statements in 2021

Special Weather Statement, NWS Buffalo, NY

June 13, 2021Niagara County, New York

NWS Buffalo, NY issued this special weather statement at Jun 13, 2021, 6:29 PM EDT for Niagara County, New York. It was in force for 46 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 13, 2021, 6:29 PM EDT (22:29 UTC)
Expired
Jun 13, 2021, 7:15 PM EDT
In force
46 min
Issued by
NWS Buffalo, NY

County Niagara County, NY

The radar

The Buffalo radar (KBUF), 27 km from the middle of the area, began a volume at 22:32 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, 10.5 hours before the alert went out and 31 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 2021-06-13Temperature 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 12:00Z on 2021-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -7 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2252 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
-7 m²/s²
0-3 km storm-relative helicity
32 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

557 
WWUS81 KBUF 132229
SPSBUF

Special Weather Statement
National Weather Service Buffalo NY
629 PM EDT Sun Jun 13 2021

NYZ001-010-132315-
Niagara-Northern Erie-
629 PM EDT Sun Jun 13 2021

...A STRONG THUNDERSTORM MAY AFFECT NORTHWEST ERIE AND SOUTHWESTERN 
NIAGARA COUNTIES...

At 627 PM EDT, a strong thunderstorm was located near Saint 
Catharine's Ontario, moving east at 35 mph. If this storm maintains 
its intensity as it crosses the Niagara River, severe weather 
including large hail and damaging winds may be possible across 
portions of the Niagara Frontier this evening.

This storm may intensify, so be certain to monitor local radio 
stations and available television stations for additional 
information and possible warnings from the National Weather Service.

LAT...LON 4311 7906 4312 7907 4314 7904 4317 7905
      4325 7905 4326 7864 4299 7866 4304 7901
      4305 7900 4307 7901 4308 7908
TIME...MOT...LOC 2227Z 272DEG 29KT 4315 7910 
$$

Hitchcock

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 4:24 PM EDTSpecial Weather StatementBUFCattaraugus36 min
Jun 13, 6:31 PM EDTSpecial Marine WarningBUF59 min
Jun 13, 6:42 PM EDTSevere Thunderstorm WarningBUFNiagara63 min
Jun 13, 7:23 PM EDTSevere Thunderstorm WarningBUFErie, Niagara35 min
Jun 13, 7:24 PM EDTSpecial Marine WarningBUF66 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.