Alert archive / New York / Tornado Warnings in 2025
Tornado Warning 2, NWS Buffalo, NY
NWS Buffalo, NY issued this tornado warning at Apr 21, 2025, 5:33 PM EDT for 4 counties in New York. It was in force for 27 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
- Apr 21, 2025, 5:33 PM EDT (21:33 UTC)
- Expired
- Apr 21, 2025, 6:00 PM EDT
- In force
- 27 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
Counties Allegany County, NY, Cattaraugus County, NY, Erie County, NY, Wyoming County, NY
The radar
The Buffalo radar (KBUF), 62 km from the middle of the area, began a volume at 21:33 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, 9.6 hours before the alert went out and 60 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
- 1489 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 366 m²/s²
- 0-3 km storm-relative helicity
- 423 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
735
WFUS51 KBUF 212133
TORBUF
NYC003-009-029-121-212200-
/O.NEW.KBUF.TO.W.0002.250421T2133Z-250421T2200Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Buffalo NY
Issued by National Weather Service Pittsburgh PA
533 PM EDT Mon Apr 21 2025
The National Weather Service in Buffalo has issued a
* Tornado Warning for...
Southwestern Wyoming County in western New York...
Northeastern Cattaraugus County in western New York...
Southeastern Erie County in western New York...
Northwestern Allegany County in western New York...
* Until 600 PM EDT.
* At 532 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Ashford Hollow, or 15 miles north of Salamanca,
moving east at 35 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* Locations impacted include...
Sardinia, East Otto, Ashford, Lime Lake-Machias, Delevan, Ashford
Hollow, Arcade, Farmersville Station, Yorkshire, and West Valley.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4229 7878 4241 7880 4263 7841 4237 7824
TIME...MOT...LOC 2132Z 247DEG 31KT 4239 7869
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
DJS2 follow-up statements
530
WWUS51 KBUF 212140
SVSBUF
Severe Weather Statement
National Weather Service Buffalo NY
Issued by National Weather Service Pittsburgh PA
540 PM EDT Mon Apr 21 2025
NYC003-029-121-212150-
/O.CAN.KBUF.TO.W.0002.000000T0000Z-250421T2200Z/
Wyoming NY-Erie NY-Allegany NY-
540 PM EDT Mon Apr 21 2025
...THE TORNADO WARNING FOR SOUTHWESTERN WYOMING...SOUTHEASTERN ERIE
AND NORTHWESTERN ALLEGANY COUNTIES IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
&&
LAT...LON 4237 7866 4242 7867 4252 7851 4240 7843
TIME...MOT...LOC 2140Z 247DEG 31KT 4242 7860
$$
NYC009-212200-
/O.CON.KBUF.TO.W.0002.000000T0000Z-250421T2200Z/
Cattaraugus NY-
540 PM EDT Mon Apr 21 2025
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM EDT FOR
NORTHEASTERN CATTARAUGUS COUNTY...
At 540 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Ashford Hollow, or 18 miles north of Salamanca,
moving northeast at 35 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
West Valley and Lime Lake-Machias.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4237 7866 4242 7867 4252 7851 4240 7843
TIME...MOT...LOC 2140Z 247DEG 31KT 4242 7860
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
DJS660 WWUS51 KBUF 212156 SVSBUF Severe Weather Statement National Weather Service Buffalo NY Issued by National Weather Service Pittsburgh PA 556 PM EDT Mon Apr 21 2025 NYC009-212205- /O.EXP.KBUF.TO.W.0002.000000T0000Z-250421T2200Z/ Cattaraugus NY- 556 PM EDT Mon Apr 21 2025 ...THE TORNADO WARNING FOR NORTHEASTERN CATTARAUGUS COUNTY WILL EXPIRE AT 600 PM EDT... The storm which prompted the warning has weakened below severe limits, and has exited the warned area. Therefore, the warning will be allowed to expire. However, gusty winds are still possible with this thunderstorm. && LAT...LON 4237 7866 4242 7867 4252 7851 4240 7843 TIME...MOT...LOC 2155Z 247DEG 31KT 4247 7844 $$ DJS
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 21, 1:05 AM EDT | Wind Advisory | BUF | Chautauqua | 12 hr |
| Apr 21, 1:34 PM EDT | Small Craft Advisory | BUF | 33 hr | |
| Apr 21, 4:34 PM EDT | Special Marine Warning | BUF | 86 min | |
| Apr 21, 5:08 PM EDT | Special Weather Statement | BUF | Orleans | 37 min |
| Apr 21, 5:19 PM EDT | Special Marine Warning | BUF | 56 min | |
| Apr 21, 5:23 PM EDT | Severe Thunderstorm Warning | BUF | Allegany, Cattaraugus, Erie, Wyoming | 34 min |
| Apr 21, 5:53 PM EDT | Severe Thunderstorm Warning | BUF | Cattaraugus, Chautauqua, Erie, Genesee, Niagara, Orleans and 1 more | 67 min |
| Apr 21, 6:03 PM EDT | Areal Flood Warning | BUF | Erie, Niagara | 95 min |
| Apr 21, 6:11 PM EDT | Special Marine Warning | BUF | 64 min | |
| Apr 21, 6:19 PM EDT | Flash Flood Warning | BUF | Cattaraugus, Chautauqua | 3 hr |
| Apr 21, 6:41 PM EDT | Severe Thunderstorm Warning | BUF | Allegany, Cattaraugus, Erie, Wyoming | 58 min |
Nearby
Tornado Warnings in New York, 2025Every tornado warning in 2025Tornadoes in 2025
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.