Alert archive / New York / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 80, NWS Buffalo, NY

August 29, 20225 counties in New York

NWS Buffalo, NY issued this severe thunderstorm warning at Aug 29, 2022, 4:23 PM EDT for 5 counties in New York. It was in force for 52 min. 1 report 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, 4:23 PM EDT (20:23 UTC)
Expired: Aug 29, 2022, 5:15 PM EDT
In force: 52 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Genesee County, NY, Livingston County, NY, Monroe County, NY, Ontario County, NY, Wyoming County, NY

The radar

The Buffalo radar (KBUF), 92 km from the middle of the area, began a volume at 20:27 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

Time	Report	Where	Remark
Aug 29, 5:03 PM EDT	TSTM WND DMG	1 Sse Fairport, NY	TREES 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, 8.4 hours before the alert went out and 89 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.

602 
WUUS51 KBUF 292023
SVRBUF
NYC037-051-055-069-121-292115-
/O.NEW.KBUF.SV.W.0080.220829T2023Z-220829T2115Z/

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

The National Weather Service in Buffalo has issued a

* Severe Thunderstorm Warning for...
  Northeastern Wyoming County in western New York...
  Northern Livingston County in western New York...
  Southeastern Genesee County in western New York...
  Southeastern Monroe County in western New York...
  Northwestern Ontario County in western New York...

* Until 515 PM EDT.

* At 422 PM EDT, a severe thunderstorm was located near Pavilion, or
  near Geneseo, moving northeast at 50 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Canandaigua, Geneseo, East Rochester, Fairport, Letchworth State
  Park, Henrietta, Avon, Mount Morris, Victor and Honeoye Falls.

This includes the following highways...
 Interstate 390 between exits 7 and 12.
 Interstate 90 between exits 44 and 46.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4280 7798 4292 7801 4316 7738 4314 7737
      4304 7737 4303 7730 4285 7719 4269 7791
TIME...MOT...LOC 2022Z 245DEG 43KT 4282 7793 

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

$$

Welch

2 follow-up statements

124 
WWUS51 KBUF 292057
SVSBUF

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

NYC037-121-292105-
/O.CAN.KBUF.SV.W.0080.000000T0000Z-220829T2115Z/
Wyoming NY-Genesee NY-
457 PM EDT Mon Aug 29 2022

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN WYOMING AND
SOUTHEASTERN GENESEE COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

LAT...LON 4316 7738 4314 7737 4304 7737 4303 7730
      4285 7719 4272 7777 4306 7764
TIME...MOT...LOC 2055Z 244DEG 42KT 4297 7749 

$$

NYC051-055-069-292115-
/O.CON.KBUF.SV.W.0080.000000T0000Z-220829T2115Z/
Livingston NY-Monroe NY-Ontario NY-
457 PM EDT Mon Aug 29 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR NORTHEASTERN LIVINGSTON...SOUTHEASTERN MONROE AND NORTHWESTERN
ONTARIO COUNTIES...

At 457 PM EDT, a severe thunderstorm was located near Victor, or 9 
miles south of Fairport, moving northeast at 50 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Canandaigua, East Rochester, Fairport, Henrietta, Victor, Honeoye
Falls, Bristol, Lima, Bloomfield and Honeoye.

This includes the following highways...
 Interstate 390 between exits 9 and 10.
 Interstate 90 between exits 44 and 45.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4316 7738 4314 7737 4304 7737 4303 7730
      4285 7719 4272 7777 4306 7764
TIME...MOT...LOC 2055Z 244DEG 42KT 4297 7749 

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

$$

Welch

506 
WWUS51 KBUF 292114
SVSBUF

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

NYC051-055-069-292122-
/O.EXP.KBUF.SV.W.0080.000000T0000Z-220829T2115Z/
Livingston NY-Monroe NY-Ontario NY-
514 PM EDT Mon Aug 29 2022

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN LIVINGSTON...
SOUTHEASTERN MONROE AND NORTHWESTERN ONTARIO COUNTIES WILL EXPIRE AT
515 PM EDT...
        
The storm which prompted the warning has weakened below severe 
limits. Therefore, the warning will be allowed to expire.  However 
gusty winds are still possible with this thunderstorm.

A severe thunderstorm warning is still in effect for southern 
portions of Ontario and Livingston counties. 

LAT...LON 4316 7738 4314 7737 4304 7737 4303 7730
      4285 7719 4272 7777 4306 7764
TIME...MOT...LOC 2112Z 245DEG 43KT 4304 7728 

$$

Welch

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, 3:42 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus	33 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, 4:40 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.