Alert archive / New York / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 9, NWS Buffalo, NY

March 31, 20264 counties in New York

NWS Buffalo, NY issued this severe thunderstorm warning at Mar 31, 2026, 2:41 PM EDT for 4 counties in New York. It was in force for 64 min. 7 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: Mar 31, 2026, 2:41 PM EDT (18:41 UTC)
Expired: Mar 31, 2026, 3:45 PM EDT
In force: 64 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon
Hail: 0.88 in
Wind: 60.0 mph

Counties Cattaraugus County, NY, Chautauqua County, NY, Erie County, NY, Wyoming County, NY

The radar

The Buffalo radar (KBUF), 35 km from the middle of the area, began a volume at 18:41 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
Mar 31, 3:00 PM EDT	MARINE TSTM WIND 44	1 Nw Dunkirk, NY	Mesonet station DBLN6 3 NNW Fredonia.
Mar 31, 3:09 PM EDT	HAIL 1	Perrysburg, NY	Wind driven hail. Large accumulations of hail making roads slushy.
Mar 31, 3:09 PM EDT	HAIL 1.25	Perrysburg, NY	Updating previous report from Perrysburg. Half dollar size hail. Cars dented. Holes in siding due to wind driven hail. Large accumulations of hail making roads slushy.
Mar 31, 3:14 PM EDT	TSTM WND DMG	Gowanda, NY	Report from Facebook of tree falling on a house. Time estimated based on radar.
Mar 31, 3:17 PM EDT	HAIL 1.5	Collins, NY	Received report with photo via Facebook.
Mar 31, 3:17 PM EDT	HAIL 1.5	Gowanda, NY	Received report with photo.
Mar 31, 3:34 PM EDT	HAIL 1	4 Ssw Springville, NY	Received report on Facebook of accumulating hail on Route 219 just south of Cattaraugus Creek. Time estimated based on radar.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 31, 2:16 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 6.7 hours before the alert went out and 35 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 731 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 290 m²/s²
0-3 km storm-relative helicity: 283 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

217 
WUUS51 KBUF 311841
SVRBUF
NYC009-013-029-121-311945-
/O.NEW.KBUF.SV.W.0009.260331T1841Z-260331T1945Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Buffalo NY
241 PM EDT Tue Mar 31 2026

The National Weather Service in Buffalo has issued a

* Severe Thunderstorm Warning for...
  Northwestern Wyoming County in western New York...
  Northwestern Cattaraugus County in western New York...
  Erie County in western New York...
  Northeastern Chautauqua County in western New York...

* Until 345 PM EDT.

* At 241 PM EDT, severe thunderstorms were located along a line
  extending from 13 miles northwest of Angola on the Lake to 12 miles
  northwest of Westfield, moving east at 40 mph.

  HAZARD...60 mph wind gusts and nickel size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Buffalo, Cheektowaga, West Seneca, Lackawanna, Dunkirk, Fredonia,
  Hamburg, East Aurora, Evans, and Elma.

This includes Interstate 90 between exits 52A and 59.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Large hail, damaging wind, and continuous cloud to ground lightning
are occurring with these storms. 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 4253 7939 4260 7919 4272 7909 4280 7892
      4289 7890 4288 7846 4287 7846 4287 7828
      4231 7882 4244 7950
TIME...MOT...LOC 1841Z 282DEG 35KT 4277 7927 4249 7968 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

PP

3 follow-up statements

454 
WWUS51 KBUF 311910
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
310 PM EDT Tue Mar 31 2026

NYC009-013-029-121-311945-
/O.CON.KBUF.SV.W.0009.000000T0000Z-260331T1945Z/
Wyoming NY-Cattaraugus NY-Erie NY-Chautauqua NY-
310 PM EDT Tue Mar 31 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR WEST CENTRAL WYOMING...NORTHWESTERN CATTARAUGUS...SOUTHERN ERIE
AND NORTHEASTERN CHAUTAUQUA COUNTIES...

At 309 PM EDT, severe thunderstorms were located along a line
extending from near Derby to near Silver Creek to Fredonia, moving
east at 45 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
Dunkirk, Fredonia, Hamburg, East Aurora, Boston, Eden, Springville,
Colden, Orchard Park, and Gowanda.

This includes Interstate 90 between exits 56 and 59.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4260 7910 4280 7885 4275 7840 4231 7882
      4243 7944
TIME...MOT...LOC 1909Z 288DEG 37KT 4271 7892 4253 7906 4243 7933 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Mitchell

804 
WWUS51 KBUF 311930
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
330 PM EDT Tue Mar 31 2026

NYC013-121-311939-
/O.CAN.KBUF.SV.W.0009.000000T0000Z-260331T1945Z/
Wyoming NY-Chautauqua NY-
330 PM EDT Tue Mar 31 2026

...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL WYOMING AND
NORTHEASTERN CHAUTAUQUA COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
western New York.

&&

LAT...LON 4236 7906 4238 7906 4257 7885 4272 7859
      4271 7846 4267 7848 4231 7882
TIME...MOT...LOC 1929Z 282DEG 38KT 4267 7866 4247 7875 4239 7907 

$$

NYC009-029-311945-
/O.CON.KBUF.SV.W.0009.000000T0000Z-260331T1945Z/
Cattaraugus NY-Erie NY-
330 PM EDT Tue Mar 31 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR NORTHWESTERN CATTARAUGUS AND SOUTHEASTERN ERIE COUNTIES...

At 329 PM EDT, severe thunderstorms were located along a line
extending from near Colden to near Springville to 8 miles southwest
of Gowanda, moving east at 45 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Boston, Springville, Colden, Gowanda, East Concord, Concord, Collins,
Holland, Dayton, and East Otto.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4236 7906 4238 7906 4257 7885 4272 7859
      4271 7846 4267 7848 4231 7882
TIME...MOT...LOC 1929Z 282DEG 38KT 4267 7866 4247 7875 4239 7907 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Mitchell

517 
WWUS51 KBUF 311947
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
347 PM EDT Tue Mar 31 2026

NYC009-029-311956-
/O.EXP.KBUF.SV.W.0009.000000T0000Z-260331T1945Z/
Cattaraugus NY-Erie NY-
347 PM EDT Tue Mar 31 2026

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN CATTARAUGUS AND
SOUTHEASTERN ERIE COUNTIES HAS EXPIRED...

The storms which prompted the warning have moved east of the warned 
area. Therefore, the warning has been allowed to expire.

A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
western New York.

&&

LAT...LON 4236 7906 4238 7906 4257 7885 4272 7859
      4271 7846 4267 7848 4231 7882
TIME...MOT...LOC 1946Z 282DEG 35KT 4264 7847 4244 7856 4236 7888 

$$

Mitchell

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 31, 3:46 AM EDT	Small Craft Advisory	BUF		9 hr
Mar 31, 9:57 AM EDT	Areal Flood Warning	BUF	Genesee, Livingston, Monroe, Ontario, Wyoming	98 min
Mar 31, 1:14 PM EDT	River Flood Warning	BUF	Jefferson, Lewis, Oneida	35 hr
Mar 31, 2:27 PM EDT	Special Marine Warning	BUF		63 min
Mar 31, 3:26 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Cattaraugus, Erie, Livingston, Wyoming	49 min
Mar 31, 3:32 PM EDT	River Flood Warning	BUF	Cattaraugus, Chautauqua, Erie, Wyoming	11 hr
Mar 31, 3:43 PM EDT	Tornado Warning	BUF	Allegany, Cattaraugus	32 min
Mar 31, 4:06 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Livingston, Wyoming	39 min
Mar 31, 4:30 PM EDT	Severe Thunderstorm Warning	BUF	Allegany	18 min
Mar 31, 4:52 PM EDT	Flash Flood Warning	BUF	Allegany, Cattaraugus, Livingston	7 hr
Mar 31, 6:25 PM EDT	Areal Flood Warning	BUF	Erie, Wyoming	6 hr
Mar 31, 6:58 PM EDT	Severe Thunderstorm Warning	BUF	Chautauqua	47 min
Mar 31, 6:59 PM EDT	Areal Flood Warning	BUF	Monroe	48 hr
Mar 31, 7:02 PM EDT	Special Marine Warning	BUF		43 min
Mar 31, 7:16 PM EDT	Areal Flood Warning	BUF	Livingston, Ontario	6 hr
Mar 31, 7:26 PM EDT	Special Marine Warning	BUF		33 min
Mar 31, 7:38 PM EDT	Severe Thunderstorm Warning	BUF	Chautauqua, Erie, Genesee, Wyoming	37 min
Mar 31, 7:42 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Cattaraugus, Chautauqua, Erie, Wyoming	33 min
Mar 31, 7:59 PM EDT	River Flood Warning	BUF	Erie	7 hr

Nearby

Severe Thunderstorm Warnings in New York, 2026 Every severe thunderstorm warning in 2026

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.