Alert archive / New York / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 50, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Jul 6, 2021, 12:29 PM EDT for Allegany County, New York. It was in force for 32 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
- Jul 6, 2021, 12:29 PM EDT (16:29 UTC)
- Expired
- Jul 6, 2021, 1:01 PM EDT
- In force
- 32 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Allegany County, NY
The radar
The Buffalo radar (KBUF), 98 km from the middle of the area, began a volume at 16:30 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, 4.5 hours before the alert went out and 95 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
- 997 J/kg
- Mixed-layer CIN
- -69 J/kg
- Mixed-layer LCL
- 868 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 78 m²/s²
- 0-3 km storm-relative helicity
- 64 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted.
682
WUUS51 KBUF 061629
SVRBUF
NYC003-061730-
/O.NEW.KBUF.SV.W.0050.210706T1629Z-210706T1730Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Buffalo NY
1229 PM EDT Tue Jul 6 2021
The National Weather Service in Buffalo has issued a
* Severe Thunderstorm Warning for...
Central Allegany County in western New York...
* Until 130 PM EDT..
* At 1228 PM EDT, a severe thunderstorm was located over Belfast, or
15 miles northwest of Wellsville, moving east at 20 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Alfred, Belfast, Houghton, Caneadea, Andover, Belmont, Angelica,
Almond, West Almond and Birdsall.
This includes Interstate 86 between exits 30 and 33.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.
&&
LAT...LON 4228 7826 4243 7818 4238 7773 4210 7774
4210 7775
TIME...MOT...LOC 1628Z 289DEG 18KT 4232 7809
HAIL...0.75IN
WIND...60MPH
$$
Hitchcock2 follow-up statements
860
WWUS51 KBUF 061651
SVSBUF
Severe Weather Statement
National Weather Service Buffalo NY
1251 PM EDT Tue Jul 6 2021
NYC003-061730-
/O.CON.KBUF.SV.W.0050.000000T0000Z-210706T1730Z/
Allegany NY-
1251 PM EDT Tue Jul 6 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 PM EDT
FOR EAST CENTRAL ALLEGANY COUNTY...
At 1250 PM EDT, a severe thunderstorm was located near Alfred, or 10
miles west of Hornell, moving east at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Alfred, Andover, Almond, West Almond and Birdsall.
This includes Interstate 86 between exits 32 and 33.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 4220 7803 4240 7792 4238 7773 4210 7774
4210 7775
TIME...MOT...LOC 1650Z 285DEG 21KT 4229 7787
HAIL...<.75IN
WIND...60MPH
$$
Hitchcock813
WWUS51 KBUF 061701
SVSBUF
Severe Weather Statement
National Weather Service Buffalo NY
101 PM EDT Tue Jul 6 2021
NYC003-061711-
/O.CAN.KBUF.SV.W.0050.000000T0000Z-210706T1730Z/
Allegany NY-
101 PM EDT Tue Jul 6 2021
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL ALLEGANY COUNTY
IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Buffalo.
Remember, a separate Severe Thunderstorm Warning still remains in
effect for southern Allegany County.
LAT...LON 4220 7803 4240 7792 4238 7773 4210 7774
4210 7775
TIME...MOT...LOC 1654Z 289DEG 18KT 4227 7780
$$
HitchcockThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 9:12 PM EDT | Special Marine Warning | BUF | 53 min | |
| Jul 5, 9:25 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson | 65 min |
| Jul 6, 12:26 AM EDT | Special Marine Warning | BUF | 94 min | |
| Jul 6, 1:53 AM EDT | Special Marine Warning | BUF | 52 min | |
| Jul 6, 1:54 AM EDT | Special Weather Statement | BUF | Oswego | 66 min |
| Jul 6, 2:42 AM EDT | Special Weather Statement | BUF | Oswego | 48 min |
| Jul 6, 4:55 AM EDT | Small Craft Advisory | BUF | 13 hr | |
| Jul 6, 10:42 AM EDT | Special Weather Statement | BUF | Genesee | 48 min |
| Jul 6, 10:51 AM EDT | Special Weather Statement | BUF | Chautauqua | 39 min |
| Jul 6, 11:24 AM EDT | Special Weather Statement | BUF | Genesee | 51 min |
| Jul 6, 11:32 AM EDT | Severe Thunderstorm Warning | BUF | Genesee, Livingston, Monroe, Ontario, Orleans | 43 min |
| Jul 6, 11:55 AM EDT | Special Weather Statement | BUF | Monroe | 35 min |
| Jul 6, 12:00 PM EDT | Severe Thunderstorm Warning | BUF | Monroe, Wayne | 45 min |
| Jul 6, 12:03 PM EDT | Special Marine Warning | BUF | 57 min | |
| Jul 6, 12:21 PM EDT | Severe Thunderstorm Warning | BUF | Monroe, Ontario, Wayne | 54 min |
| Jul 6, 12:42 PM EDT | Severe Thunderstorm Warning | BUF | Allegany | 63 min |
| Jul 6, 12:48 PM EDT | Special Weather Statement | BUF | Niagara | 57 min |
| Jul 6, 1:03 PM EDT | Special Weather Statement | BUF | Cayuga | 27 min |
| Jul 6, 1:10 PM EDT | Special Weather Statement | BUF | Oswego | 50 min |
| Jul 6, 1:36 PM EDT | Severe Thunderstorm Warning | BUF | Oswego | 27 min |
| Jul 6, 1:48 PM EDT | Special Weather Statement | BUF | Erie | 57 min |
| Jul 6, 2:16 PM EDT | Flash Flood Warning | BUF | Erie | 3 hr |
| Jul 6, 3:52 PM EDT | Special Weather Statement | BUF | Monroe | 23 min |
| Jul 6, 4:26 PM EDT | Special Weather Statement | BUF | Wayne | 34 min |
| Jul 6, 4:52 PM EDT | Special Weather Statement | BUF | Erie | 38 min |
| Jul 6, 6:55 PM EDT | Special Weather Statement | BUF | Erie | 35 min |
| Jul 6, 7:29 PM EDT | Special Weather Statement | BUF | Wyoming | 46 min |
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; radar from the NEXRAD Level II archive.