Alert archive / New York / Special Weather Statements in 2021

Special Weather Statement, NWS Buffalo, NY

June 14, 2021Genesee County, Niagara County, New York

NWS Buffalo, NY issued this special weather statement at Jun 14, 2021, 5:36 PM EDT for Genesee County, Niagara County, New York. It was in force for 24 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 14, 2021, 5:36 PM EDT (21:36 UTC)
Expired
Jun 14, 2021, 6:00 PM EDT
In force
24 min
Issued by
NWS Buffalo, NY

Counties Genesee County, NY, Niagara County, NY

The radar

The Buffalo radar (KBUF), 30 km from the middle of the area, began a volume at 21:37 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, 9.6 hours before the alert went out and 34 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 2021-06-14Temperature 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°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 2021-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 72 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1367 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
72 m²/s²
0-3 km storm-relative helicity
70 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

628 
WWUS81 KBUF 142136
SPSBUF

Special Weather Statement
National Weather Service Buffalo NY
536 PM EDT Mon Jun 14 2021

NYZ001-002-010-011-142200-
Orleans-Genesee-Niagara-Northern Erie-
536 PM EDT Mon Jun 14 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT NORTHEASTERN ERIE...
NIAGARA...SOUTHWESTERN ORLEANS AND NORTHWESTERN GENESEE COUNTIES...

At 536 PM EDT, radar indicated strong thunderstorms were located
along a line extending from near Fort Niagara State Park to near
Middleport. Movement was east at 20 mph.

Winds in excess of 40 mph and half inch hail are possible with these
storms, along with brief torrential downpours.

Locations impacted include...
Lockport, Medina, Albion, Newfane, Pendleton, Lewiston, Youngstown, 
Middleport, Oakfield, Fort Niagara State Park, Sanborn, Ridgeway, 
Shelby, Gaines, Alabama, Wilson, Elba, Cambria Center and Pendleton 
Center.

This includes Interstate 90 near exit 48.
 
If outdoors, consider seeking shelter inside a building.

LAT...LON 4334 7892 4329 7813 4299 7812 4310 7906
      4311 7906 4312 7907 4314 7904 4317 7905
      4325 7906 4326 7907 4330 7909
TIME...MOT...LOC 2136Z 291DEG 17KT 4327 7912 4315 7844 
$$

Hitchcock

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 8:43 PM EDTSpecial Weather StatementBUFLivingston32 min
Jun 13, 8:45 PM EDTSpecial Weather StatementBUFAllegany30 min
Jun 13, 9:19 PM EDTSpecial Marine WarningBUF73 min
Jun 13, 9:31 PM EDTSpecial Weather StatementBUFAllegany29 min
Jun 13, 9:54 PM EDTSpecial Weather StatementBUFWayne36 min
Jun 13, 10:23 PM EDTSpecial Weather StatementBUFWayne37 min
Jun 13, 11:01 PM EDTSpecial Weather StatementBUFOntario, Wayne44 min
Jun 13, 11:45 PM EDTSpecial Weather StatementBUFJefferson, Oswego30 min
Jun 14, 12:04 AM EDTSevere Thunderstorm WarningBUFJefferson, Lewis56 min
Jun 14, 12:42 AM EDTSpecial Weather StatementBUFLewis33 min
Jun 14, 1:17 AM EDTSpecial Weather StatementBUFLewis43 min
Jun 14, 5:08 PM EDTSpecial Weather StatementBUFNiagara37 min
Jun 14, 6:04 PM EDTSpecial Weather StatementBUFGenesee41 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.