Alert archive / New York / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 77, NWS Buffalo, NY

August 29, 2022Cattaraugus County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Aug 29, 2022, 3:42 PM EDT for Cattaraugus County, New York. It was in force for 33 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: Aug 29, 2022, 3:42 PM EDT (19:42 UTC)
Expired: Aug 29, 2022, 4:15 PM EDT
In force: 33 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Cattaraugus County, NY

The radar

The Buffalo radar (KBUF), 92 km from the middle of the area, began a volume at 19:41 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, 7.7 hours before the alert went out and 90 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 331 J/kg
Mixed-layer CIN: -74 J/kg
Mixed-layer LCL: 1251 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 219 m²/s²
0-3 km storm-relative helicity: 210 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

As transmitted.

976 
WUUS51 KBUF 291942
SVRBUF
NYC009-292045-
/O.NEW.KBUF.SV.W.0077.220829T1942Z-220829T2045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Buffalo NY
342 PM EDT Mon Aug 29 2022

The National Weather Service in Buffalo has issued a

* Severe Thunderstorm Warning for...
  Southeastern Cattaraugus County in western New York...

* Until 445 PM EDT.

* At 341 PM EDT, a severe thunderstorm was located 5 miles west of 
  Allegany State Park, moving northeast at 25 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to trees and power lines.

* Locations impacted include...
  Olean, Salamanca, Allegany State Park, Ashford, Allegany,
  Franklinville, St. Bonaventure, Yorkshire, Great Valley and
  Carrollton.

This includes Interstate 86 between exits 17 and 24.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4200 7895 4207 7899 4252 7847 4200 7845
TIME...MOT...LOC 1941Z 239DEG 20KT 4205 7892 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

RSH

1 follow-up statement

463 
WWUS51 KBUF 292015
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
415 PM EDT Mon Aug 29 2022

NYC009-292025-
/O.CAN.KBUF.SV.W.0077.000000T0000Z-220829T2045Z/
Cattaraugus NY-
415 PM EDT Mon Aug 29 2022

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN CATTARAUGUS
COUNTY IS CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.  However gusty winds are
still possible with this thunderstorm.

LAT...LON 4200 7895 4207 7899 4252 7847 4200 7845
TIME...MOT...LOC 2011Z 239DEG 20KT 4215 7870 

$$

RSH

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 29, 3:38 AM EDT	Heat Advisory	BUF	Cayuga, Erie, Genesee, Livingston, Monroe, Niagara and 4 more	15 hr
Aug 29, 2:04 PM EDT	Special Weather Statement	BUF	Chautauqua	41 min
Aug 29, 2:23 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus, Chautauqua	52 min
Aug 29, 3:05 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Cattaraugus, Chautauqua, Erie, Genesee, Wyoming	40 min
Aug 29, 3:44 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Genesee, Livingston, Wyoming	61 min
Aug 29, 4:05 PM EDT	Special Marine Warning	BUF		40 min
Aug 29, 4:08 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Cattaraugus, Livingston	67 min
Aug 29, 4:23 PM EDT	Severe Thunderstorm Warning	BUF	Genesee, Livingston, Monroe, Ontario, Wyoming	52 min
Aug 29, 4:40 PM EDT	Special Marine Warning	BUF		65 min
Aug 29, 5:00 PM EDT	Severe Thunderstorm Warning	BUF	Livingston, Ontario	60 min
Aug 29, 5:19 PM EDT	Special Weather Statement	BUF	Wayne	41 min
Aug 29, 5:27 PM EDT	Special Marine Warning	BUF		63 min
Aug 29, 5:42 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Oswego, Wayne	63 min
Aug 29, 5:55 PM EDT	Special Marine Warning	BUF		65 min
Aug 29, 6:01 PM EDT	Special Marine Warning	BUF		89 min
Aug 29, 6:06 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Lewis, Oswego	84 min
Aug 29, 6:47 PM EDT	Tornado Warning	BUF	Jefferson	28 min
Aug 29, 7:05 PM EDT	Special Marine Warning	BUF		55 min

Nearby

Severe Thunderstorm Warnings in New York, 2022 Every severe thunderstorm warning in 2022

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.