Alert archive / New York / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 75, NWS Buffalo, NY

August 29, 2022Cattaraugus County, Chautauqua County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Aug 29, 2022, 2:23 PM EDT for Cattaraugus County, Chautauqua County, New York. It was in force for 52 min. 10 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 29, 2022, 2:23 PM EDT (18:23 UTC)
Expired
Aug 29, 2022, 3:15 PM EDT
In force
52 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Cattaraugus County, NY, Chautauqua County, NY

The radar

The Buffalo radar (KBUF), 82 km from the middle of the area, began a volume at 18:21 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.

What was reported inside it

TimeReportWhereRemark
Aug 29, 2:34 PM EDTTSTM WND DMGBemus Point, NYTREES AND WIRES DOWN. TIME ESTIMATED BY RADAR.
Aug 29, 2:40 PM EDTTSTM WND DMG1 Ene Ashville, NYMULTIPLE TREES DOWN. TIME ESTIMATED BY RADAR.
Aug 29, 2:45 PM EDTTSTM WND DMG1 Nne Jamestown, NYTREE DOWN. TIME ESTIMATED BY RADAR.
Aug 29, 2:45 PM EDTTSTM WND DMG1 Nnw Jamestown, NY*** 1 INJ *** TREE FELL ON MOTORCYCLIST.
Aug 29, 2:45 PM EDTTSTM WND DMG1 Sse Jamestown, NYLARGE TREE LIMB ON HOUSE.
Aug 29, 2:45 PM EDTTSTM WND DMG1 Sse Jamestown, NYTREE FALLEN ONTO POWER LINES. TIME ESTIMATED BY RADAR.
Aug 29, 2:51 PM EDTTSTM WND DMGGerry, NYTREES AND WIRES DOWN. TIME ESTIMATED BY RADAR.
Aug 29, 2:55 PM EDTTSTM WND DMG1 Ese Cherry Creek, NYTREES AND WIRES DOWN. TIME ESTIMATED BY RADAR.
Aug 29, 2:55 PM EDTTSTM WND DMGEllington, NYTREES AND WIRES DOWN. TIME ESTIMATED BY RADAR.
Aug 29, 2:59 PM EDTTSTM WND DMGFalconer, NYTREES AND WIRES DOWN. TIME ESTIMATED BY RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 6.4 hours before the alert went out and 82 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 2022-08-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 331 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 2022-08-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 219 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
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.

778 
WUUS51 KBUF 291823
SVRBUF
NYC009-013-291915-
/O.NEW.KBUF.SV.W.0075.220829T1823Z-220829T1915Z/

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

The National Weather Service in Buffalo has issued a

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

* Until 315 PM EDT.

* At 222 PM EDT, a line of severe thunderstorms was located 7 miles 
  northeast of Clymer, or 13 miles west of Jamestown, moving 
  northeast at 30 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Jamestown, Dunkirk, Fredonia, Allegany State Park, Westfield,
  Lakewood, Silver Creek, Falconer, Mayville and Clymer.

This includes the following highways...
 Interstate 90 between exits 58 and 61.
 Interstate 86 between exits 4 and 18.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4227 7976 4228 7973 4230 7975 4255 7932
      4260 7919 4264 7916 4259 7913 4257 7914
      4257 7911 4200 7877 4200 7976
TIME...MOT...LOC 1822Z 246DEG 27KT 4208 7950 

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

$$

PP
1 follow-up statement
421 
WWUS51 KBUF 291847
SVSBUF

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

NYC009-013-291915-
/O.CON.KBUF.SV.W.0075.000000T0000Z-220829T1915Z/
Cattaraugus NY-Chautauqua NY-
247 PM EDT Mon Aug 29 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR SOUTHWESTERN CATTARAUGUS AND CHAUTAUQUA COUNTIES...

At 246 PM EDT, a line of severe thunderstorms was located near 
Falconer, or near Jamestown, moving northeast at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Jamestown, Dunkirk, Fredonia, Allegany State Park, Westfield,
Lakewood, Silver Creek, Falconer, Mayville and Long Point State Park.

This includes the following highways...
 Interstate 90 between exits 58 and 59.
 Interstate 86 between exits 7 and 18.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4200 7951 4240 7958 4255 7933 4260 7919
      4264 7916 4259 7913 4257 7914 4256 7911
      4200 7877
TIME...MOT...LOC 1846Z 246DEG 33KT 4217 7921 

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

$$

PP

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 29, 3:38 AM EDTHeat AdvisoryBUFCayuga, Erie, Genesee, Livingston, Monroe, Niagara and 4 more15 hr
Aug 29, 2:04 PM EDTSpecial Weather StatementBUFChautauqua41 min
Aug 29, 3:05 PM EDTSevere Thunderstorm WarningBUFAllegany, Cattaraugus, Chautauqua, Erie, Genesee, Wyoming40 min
Aug 29, 3:42 PM EDTSevere Thunderstorm WarningBUFCattaraugus33 min
Aug 29, 3:44 PM EDTSevere Thunderstorm WarningBUFErie, Genesee, Livingston, Wyoming61 min
Aug 29, 4:05 PM EDTSpecial Marine WarningBUF40 min
Aug 29, 4:08 PM EDTSevere Thunderstorm WarningBUFAllegany, Cattaraugus, Livingston67 min
Aug 29, 4:23 PM EDTSevere Thunderstorm WarningBUFGenesee, Livingston, Monroe, Ontario, Wyoming52 min
Aug 29, 4:40 PM EDTSpecial Marine WarningBUF65 min
Aug 29, 5:00 PM EDTSevere Thunderstorm WarningBUFLivingston, Ontario60 min
Aug 29, 5:19 PM EDTSpecial Weather StatementBUFWayne41 min
Aug 29, 5:27 PM EDTSpecial Marine WarningBUF63 min
Aug 29, 5:42 PM EDTSevere Thunderstorm WarningBUFCayuga, Oswego, Wayne63 min
Aug 29, 5:55 PM EDTSpecial Marine WarningBUF65 min
Aug 29, 6:01 PM EDTSpecial Marine WarningBUF89 min
Aug 29, 6:06 PM EDTSevere Thunderstorm WarningBUFJefferson, Lewis, Oswego84 min
Aug 29, 6:47 PM EDTTornado WarningBUFJefferson28 min
Aug 29, 7:05 PM EDTSpecial Marine WarningBUF55 min

Nearby

Severe Thunderstorm Warnings in New York, 2022Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.