Alert archive / New York / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 110, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Sep 13, 2021, 11:01 PM EDT for Allegany County, Cattaraugus County, New York. It was in force for 44 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
- Sep 13, 2021, 11:01 PM EDT (03:01 UTC)
- Expired
- Sep 13, 2021, 11:45 PM EDT
- In force
- 44 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Allegany County, NY, Cattaraugus County, NY
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 3.0 hours before the alert went out and 104 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1448 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 101 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
668
WUUS51 KBUF 140301
SVRBUF
NYC003-009-140345-
/O.NEW.KBUF.SV.W.0110.210914T0301Z-210914T0345Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Buffalo NY
1101 PM EDT Mon Sep 13 2021
The National Weather Service in Buffalo has issued a
* Severe Thunderstorm Warning for...
East central Cattaraugus County in western New York...
Allegany County in western New York...
* Until 1145 PM EDT.
* At 1100 PM EDT, regional radars and lightning detection systems
were tracking a severe thunderstorm located near Belfast, or 13
miles northwest of Wellsville, moving east at 65 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Expect wind damage
to trees and power lines.
* Locations impacted include...
Wellsville, Alfred, Belfast, Cuba, Rushford, Whitesville, Houghton,
Caneadea, Hinsdale and Friendship.
This includes Interstate 86 between exits 27 and 33.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4200 7805 4218 7841 4244 7831 4235 7773
4202 7775 4200 7775
TIME...MOT...LOC 0300Z 282DEG 55KT 4228 7809
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Welch2 follow-up statements
744
WWUS51 KBUF 140325
SVSBUF
Severe Weather Statement
National Weather Service Buffalo NY
1125 PM EDT Mon Sep 13 2021
NYC009-140333-
/O.CAN.KBUF.SV.W.0110.000000T0000Z-210914T0345Z/
Cattaraugus NY-
1125 PM EDT Mon Sep 13 2021
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL CATTARAUGUS
COUNTY IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 4200 7793 4238 7792 4235 7773 4202 7775
4200 7775
TIME...MOT...LOC 0323Z 287DEG 47KT 4219 7778
$$
NYC003-140345-
/O.CON.KBUF.SV.W.0110.000000T0000Z-210914T0345Z/
Allegany NY-
1125 PM EDT Mon Sep 13 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 PM EDT
FOR SOUTHEASTERN ALLEGANY COUNTY...
At 1123 PM EDT, a severe thunderstorm was located near Alfred, or 9
miles northeast of Wellsville, moving east at 55 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Expect wind damage to
trees and power lines.
Locations impacted include...
Wellsville, Alfred, Whitesville, Andover, Almond, West Almond,
Stannards and Paynesville.
This includes Interstate 86 between exits 32 and 33.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4200 7793 4238 7792 4235 7773 4202 7775
4200 7775
TIME...MOT...LOC 0323Z 287DEG 47KT 4219 7778
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Welch285
WWUS51 KBUF 140342
SVSBUF
Severe Weather Statement
National Weather Service Buffalo NY
1142 PM EDT Mon Sep 13 2021
NYC003-140352-
/O.EXP.KBUF.SV.W.0110.000000T0000Z-210914T0345Z/
Allegany NY-
1142 PM EDT Mon Sep 13 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ALLEGANY COUNTY
WILL EXPIRE AT 1145 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Buffalo.
LAT...LON 4200 7793 4238 7792 4235 7773 4202 7775
4200 7775
TIME...MOT...LOC 0342Z 282DEG 55KT 4214 7747
$$
RSHThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 13, 9:36 PM EDT | Special Weather Statement | BUF | Erie, Wyoming | 39 min |
| Sep 13, 10:06 PM EDT | Special Weather Statement | BUF | Livingston, Wyoming | 54 min |
| Sep 13, 10:45 PM EDT | Special Weather Statement | BUF | Allegany | 45 min |
| Sep 14, 2:38 AM EDT | Special Weather Statement | BUF | Erie | 67 min |
| Sep 14, 4:02 PM EDT | Small Craft Advisory | BUF | 16 hr |
Nearby
Severe Thunderstorm Warnings in New York, 2021Every severe thunderstorm warning 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.