Alert archive / New York / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 38, NWS Buffalo, NY

May 17, 2025Oswego County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at May 17, 2025, 2:41 PM EDT for Oswego County, New York. It was in force for 46 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: May 17, 2025, 2:41 PM EDT (18:41 UTC)
Expired: May 17, 2025, 3:27 PM EDT
In force: 46 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon
Hail: 0.88 in
Wind: 60.0 mph

County Oswego County, NY

The radar

The Ft Drum radar (KTYX), 54 km from the middle of the area, began a volume at 18:40 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
May 17, 2:58 PM EDT	TSTM WND DMG	2 Ssw Parish, NY	Tree on wires in Hastings, NY.

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

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched one storm report to this severe thunderstorm warning; the first came 17 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

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

Issued	Product	Office	Lasted
May 17, 12:34 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 224 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: 54 J/kg
Mixed-layer CIN: -40 J/kg
Mixed-layer LCL: 1197 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 88 m²/s²
0-3 km storm-relative helicity: 87 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

846 
WUUS51 KBUF 171841
SVRBUF
NYC075-171945-
/O.NEW.KBUF.SV.W.0038.250517T1841Z-250517T1945Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Buffalo NY
241 PM EDT Sat May 17 2025

The National Weather Service in Buffalo has issued a

* Severe Thunderstorm Warning for...
  Eastern Oswego County in central New York...

* Until 345 PM EDT.

* At 240 PM EDT, severe thunderstorms were located along a line
  extending from near Mexico to near Baldwinsville, 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...
  Redfield, Smartville, Amboy Center, Central Square, Altmar, Selkirk
  Shores State Park, Williamstown, Howardville, Mallory, and
  Hastings.

This includes Interstate 81 between exits 32 and 36.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4347 7576 4348 7581 4333 7589 4331 7586
      4316 7588 4316 7592 4317 7593 4318 7600
      4320 7604 4320 7608 4323 7610 4327 7621
      4324 7621 4322 7619 4320 7622 4354 7623
      4365 7604 4369 7578
TIME...MOT...LOC 1840Z 248DEG 35KT 4350 7616 4319 7637 

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

$$

Hitchcock

3 follow-up statements

867 
WWUS51 KBUF 171854
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
254 PM EDT Sat May 17 2025

NYC075-171945-
/O.CON.KBUF.SV.W.0038.000000T0000Z-250517T1945Z/
Oswego NY-
254 PM EDT Sat May 17 2025

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR EASTERN OSWEGO COUNTY...

At 253 PM EDT, severe thunderstorms were located along a line
extending from near Pulaski to Brewerton, 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...
Redfield, Smartville, Amboy Center, Central Square, Altmar, Selkirk
Shores State Park, Williamstown, Howardville, Mallory, Hastings, and 
Oneida Lake.

This includes Interstate 81 between exits 32 and 36.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If on or near Oneida Lake, get away from the water and move
indoors or inside a vehicle. Remember, lightning can strike out to 15
miles from the parent thunderstorm. If you can hear thunder, you are
close enough to be struck by lightning. Move to safe shelter now!  Do
not be caught on the water in a thunderstorm.

&&

LAT...LON 4347 7576 4348 7581 4333 7589 4331 7586
      4316 7588 4316 7592 4317 7593 4318 7600
      4320 7604 4320 7608 4323 7610 4327 7621
      4323 7621 4322 7620 4320 7622 4354 7623
      4365 7604 4369 7578
TIME...MOT...LOC 1853Z 247DEG 36KT 4354 7602 4324 7614 

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

$$

Hitchcock

116 
WWUS51 KBUF 171911
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
311 PM EDT Sat May 17 2025

NYC075-171945-
/O.CON.KBUF.SV.W.0038.000000T0000Z-250517T1945Z/
Oswego NY-
311 PM EDT Sat May 17 2025

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR EASTERN OSWEGO COUNTY...

At 310 PM EDT, severe thunderstorms were located along a line
extending from 8 miles south of Pulaski to 6 miles northeast of
Bridgeport, moving east at 35 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Oneida Lake, Redfield, Smartville, Amboy Center, Altmar, 
Williamstown, Howardville, Gayville, Salmon River Reservoir, 
Richland, Cleveland, and Constantia.

This includes Interstate 81 near exit 34.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If on or near Oneida Lake, get away from the water and move
indoors or inside a vehicle. Remember, lightning can strike out to 15
miles from the parent thunderstorm. If you can hear thunder, you are
close enough to be struck by lightning. Move to safe shelter now!  Do
not be caught on the water in a thunderstorm.

&&

LAT...LON 4347 7576 4348 7581 4333 7589 4331 7586
      4316 7588 4316 7592 4317 7593 4322 7601
      4346 7614 4365 7604 4369 7578
TIME...MOT...LOC 1910Z 250DEG 32KT 4345 7607 4324 7591 

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

$$

Hitchcock

107 
WWUS51 KBUF 171927
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
327 PM EDT Sat May 17 2025

NYC075-171937-
/O.CAN.KBUF.SV.W.0038.000000T0000Z-250517T1945Z/
Oswego NY-
327 PM EDT Sat May 17 2025

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN OSWEGO COUNTY IS
CANCELLED...

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

A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
central New York.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Buffalo.

&&

LAT...LON 4347 7576 4348 7581 4333 7589 4331 7586
      4316 7588 4316 7592 4317 7593 4322 7601
      4346 7614 4365 7604 4369 7578
TIME...MOT...LOC 1923Z 248DEG 35KT 4350 7590 4329 7574 

$$

Hitchcock

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Buffalo, NY wrote its last area forecast discussion before this severe thunderstorm warning went out at May 17, 1:42 PM EDT, 59 minutes earlier.

Area forecast discussion, May 17, 1:42 PM EDT, 59 minutes before

Area Forecast Discussion
National Weather Service Buffalo NY
142 PM EDT Sat May 17 2025

.SYNOPSIS...
A cold front will cross the area with showers and thunderstorms this
afternoon through this evening. Cooler, with additional chances for
showers Sunday. Drier Monday and Tuesday but continued cool
conditions. Unsettle weather returns Wednesday and then last
through much of the week.

&&

.NEAR TERM /THROUGH SUNDAY NIGHT/...
A cold front crossing the area along with modest instability this
afternoon will lead to showers and thunderstorms. Concerning severe
potential...given modest instability (1000-1200 J/KG) and 0-6 km
shear values of 30-40 knot this will support strong to severe storms
into this evening. The best chance to see strong to severe storms
will be east of Buffalo, mainly from the Genesee Valley into the
North Country. This is where a Severe Thunderstorm Watch is in
effect into this evening. Otherwise...highs will range from the
upper 60s to a range of 70s.

Behind the cold front a modest lake breeze on a southwest wind flow
will bring a period of dry weather with some measure of skies
clearing across the Buffalo metro area late this afternoon. Winds
may be breezy at times, with southwest gusts up to 40 mph along the
Lake Erie shore line to Buffalo and stretching out towards Batavia.
On the periphery of this lake breeze boundary additional showers and
perhaps a rumble of thunder may re-blossom through this evening.

Tonight...there will remain chances for showers and also drizzle
across our region as the main upper-level low tracks through our
region. As temperatures cool to near the dewpoint overnight patches
of fog will be possible, especially across higher terrain and areas
that received precipitation.

The closed low will ever to slowly walk east Sunday with moisture
continuing to wrap around across our region. Upslope flow and
diurnal influences will support some measure of showers or even
areas of drizzle through at least mid-day. As the low further
departs and moisture depletes we will likely see drier weather
materialize from west to east in the late afternoon and evening.

Drier weather will take hold Sunday night as high pressure builds in
across the region. We will also see clearing skies and cool
conditions, low found mainly in the 40s. There may be a few spots
across the Tug Hill that see mercury reading dip back into the upper
30s.

&&

.SHORT TERM /MONDAY THROUGH TUESDAY/...
Monday through Tuesday a vertically stacked, closed low will drift
from near the Maine coast eastward into the North Atlantic. The
western edge of the circulation will bring clouds and possibly a few
isolated showers to the eastern Lake Ontario region Monday. This may
linger into Tuesday as well, especially for the eastern edge of the
forecast area in the western foothills of the Adirondacks.
Otherwise, a ridge of high pressure building into the Great Lakes
will bring a return to dry weather and at least partial sunshine
elsewhere both Monday and Tuesday.

Temperatures will be quite cool, running about 10 degrees below
average. Lows will likely drop into the mid 30s Monday night across
the interior Southern Tier and North Country. This may bring a risk
of frost, although some gradient wind persisting may keep just
enough breeze to limit frost formation.

&&

.LONG TERM /TUESDAY NIGHT THROUGH FRIDAY/...
A mid level closed low will evolve in the base of the longwave
trough over the Great Lakes and/or southeastern Canada during the
second half of the week. This will bring a long stretch of very cool
and unsettled weather to the region starting late Tuesday night or
Wednesday, and lasting through next weekend.

There continues to be some spread in the synoptic scale details of
the pattern, such as the placement and track of the mid level closed
low and associated surface low. These details will determine exactly
how wet we get, with the most widespread rain expected Wednesday
through Thursday, with gradually diminishing coverage and intensity
of rainfall next weekend.

Temperatures will continue to run 10+ degrees below average through
the entire period.

&&

.AVIATION /18Z SATURDAY THROUGH THURSDAY/...
A cold front will bring showers and thunderstorms this afternoon
into this evening brining brief localized reductions. In addition to
the storms...winds will pick up with gusts up to 40 knots at
KBUF/KIAG terminals.

Tonight...convection will quickly diminish with the loss of
instability, but with the upper level low spinning overhead an
isolated shower cannot be ruled out for any of the airfields. Cigs
will range between VFR to MVFR, with IFR ceiling heights developing
overnight.

Outlook...

Sunday...MVFR to IFR with scattered showers, greatest chances east
of KROC.

Monday and Tuesday...VFR.

Wednesday and Thursday...VFR to MVFR with showers.

&&

.MARINE...
A cold front will pass over the eastern Great Lakes today, with a
southwest and then tonight westerly flow increasing to small craft
levels. Waves will increase, and remain above four feet on the Lakes
through much of Sunday and Sunday evening with a now northwesterly
flow.

Surface high pressure will nose southward across the lower Great
Lakes Sunday night and into the start of the new work week with
light winds and waves on the lakes.

&&

.BUF WATCHES/WARNINGS/ADVISORIES...
NY...None.
MARINE...Small Craft Advisory until 11 PM EDT this evening for LEZ020.
         Small Craft Advisory until 11 PM EDT Sunday for LEZ040-041.
         Small Craft Advisory until 11 PM EDT Sunday for
         LOZ042.
         Small Craft Advisory until 5 AM EDT Monday for LOZ043-044.
         Small Craft Advisory from 6 PM this evening to 11 PM EDT
         Sunday for LOZ045.

&&

SYNOPSIS...AR
NEAR TERM...AR
SHORT TERM...Hitchcock
LONG TERM...Hitchcock
AVIATION...AR
MARINE...AR/Thomas

Hazardous weather outlook, May 17, 2:27 PM EDT, 14 minutes before

Hazardous Weather Outlook
National Weather Service Buffalo NY
227 PM EDT Sat May 17 2025

NYZ001>003-010>013-019>021-085-181830-
Niagara-Orleans-Monroe-Northern Erie-Genesee-Wyoming-Livingston-
Chautauqua-Cattaraugus-Allegany-Southern Erie-
227 PM EDT Sat May 17 2025

This Hazardous Weather Outlook is for portions of western New York.

.DAY ONE...This afternoon and tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

This product, along with other watches, warnings, advisories, and
statements issued by the National Weather Service office in Buffalo
can be found on the internet at http://www.weather.gov/buf

LEZ020-040-041-LOZ030-042-062-181830-
Upper Niagara River and Buffalo Harbor-
Lake Erie nearshore waters from Ripley to Dunkirk-
Lake Erie nearshore waters from Dunkirk to Buffalo-
Lower Niagara River-
Lake Ontario nearshore waters from the Niagara River to Hamlin Beach-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
227 PM EDT Sat May 17 2025

This Hazardous Weather Outlook is for portions of Lake Erie and Lake
Ontario.

.DAY ONE...This afternoon and tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

This product, along with other watches, warnings, advisories, and
statements issued by the National Weather Service office in Buffalo
can be found on the internet at http://www.weather.gov/buf

LOZ043-063>065-181830-
Lake Ontario nearshore waters from Hamlin Beach to Sodus Bay-
Lake Ontario open waters from Hamlin Beach to Sodus Bay-
Lake Ontario open waters from Sodus Bay to Mexico Bay-
Lake Ontario open waters from Mexico Bay to the Saint Lawrence River-
227 PM EDT Sat May 17 2025

This Hazardous Weather Outlook is for portions of Lake Ontario.

.DAY ONE...This afternoon and tonight.

Hazardous weather is not expected at this time.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Hazardous weather is not expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

This product, along with other watches, warnings, advisories, and
statements issued by the National Weather Service office in Buffalo
can be found on the internet at http://www.weather.gov/buf

LOZ044-045-181830-
Lake Ontario nearshore waters from Sodus Bay to Mexico Bay-
Lake Ontario nearshore waters from Mexico Bay to the Saint Lawrence
River-
227 PM EDT Sat May 17 2025

...SEVERE THUNDERSTORM WATCH 277 IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

This Hazardous Weather Outlook is for portions of Lake Ontario.

.DAY ONE...This afternoon and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Severe Thunderstorm Watch.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Hazardous weather is not expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

This product, along with other watches, warnings, advisories, and
statements issued by the National Weather Service office in Buffalo
can be found on the internet at http://www.weather.gov/buf

NYZ005>007-181830-
Northern Cayuga-Oswego-Jefferson-
227 PM EDT Sat May 17 2025

...SEVERE THUNDERSTORM WATCH 277 IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

This Hazardous Weather Outlook is for portions of central New York.

.DAY ONE...This afternoon and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Severe Thunderstorm Watch.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Hazardous weather is not expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

This product, along with other watches, warnings, advisories, and
statements issued by the National Weather Service office in Buffalo
can be found on the internet at http://www.weather.gov/buf

NYZ004-014-181830-
Wayne-Ontario-
227 PM EDT Sat May 17 2025

This Hazardous Weather Outlook is for portions of western New York.

.DAY ONE...This afternoon and tonight.

Hazardous weather is not expected at this time.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Hazardous weather is not expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

This product, along with other watches, warnings, advisories, and
statements issued by the National Weather Service office in Buffalo
can be found on the internet at http://www.weather.gov/buf

SLZ022-024-181830-
Saint Lawrence River from Cape Vincent to Ogdensburg-
Saint Lawrence River from Ogdensburg to Saint Regis-
227 PM EDT Sat May 17 2025

...SEVERE THUNDERSTORM WATCH 277 IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

This Hazardous Weather Outlook is for the New York waters of the
Saint Lawrence River.

.DAY ONE...This afternoon and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Severe Thunderstorm Watch.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Hazardous weather is not expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

This product, along with other watches, warnings, advisories, and
statements issued by the National Weather Service office in Buffalo
can be found on the internet at http://www.weather.gov/buf

NYZ008-181830-
Lewis-
227 PM EDT Sat May 17 2025

...SEVERE THUNDERSTORM WATCH 277 IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

This Hazardous Weather Outlook is for portions of central New York.

.DAY ONE...This afternoon and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Severe Thunderstorm Watch.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Hazardous weather is not expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

This product, along with other watches, warnings, advisories, and
statements issued by the National Weather Service office in Buffalo
can be found on the internet at http://www.weather.gov/buf

Reynolds

In the hours before

Local storm report, May 17, 1:56 PM EDT, 45 minutes before

Preliminary Local Storm Report
National Weather Service Buffalo NY
156 PM EDT Sat May 17 2025

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1236 PM     Tstm Wnd Dmg     Wyoming                 42.83N 78.09W
05/17/2025                   Wyoming            NY   911 Call Center

            Power poles and wires down.

&&

Local storm report, May 17, 1:57 PM EDT, 44 minutes before

Preliminary Local Storm Report
National Weather Service Buffalo NY
157 PM EDT Sat May 17 2025

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1258 PM     Hail             3 W Henrietta           43.06N 77.68W
05/17/2025  M1.00 Inch       Monroe             NY   Public

            Twitter report. Size estimated from photo.

&&

Hitchcock

Local storm report, May 17, 1:58 PM EDT, 43 minutes before

Preliminary Local Storm Report
National Weather Service Buffalo NY
158 PM EDT Sat May 17 2025

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1254 PM     Hail             Scottsville             43.02N 77.75W
05/17/2025  M1.00 Inch       Monroe             NY   Public

&&

Local storm report, May 17, 2:10 PM EDT, 31 minutes before

Preliminary Local Storm Report
National Weather Service Buffalo NY
210 PM EDT Sat May 17 2025

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1252 PM     Tstm Wnd Dmg     2 ENE Greece            43.22N 77.67W
05/17/2025                   Monroe             NY   Public

            Three limbs down on Maiden Road near NY-390.

&&

Local storm report, May 17, 2:24 PM EDT, 17 minutes before

Preliminary Local Storm Report
National Weather Service Buffalo NY
224 PM EDT Sat May 17 2025

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0122 PM     Tstm Wnd Dmg     Fairport                43.11N 77.44W
05/17/2025                   Monroe             NY   911 Call Center

            Large tree down blocking Parce Ave.

&&

Hitchcock

Local storm report, May 17, 2:31 PM EDT, 10 minutes before

Preliminary Local Storm Report
National Weather Service Buffalo NY
231 PM EDT Sat May 17 2025

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0138 PM     Tstm Wnd Dmg     3 W Newark              43.04N 77.14W
05/17/2025                   Wayne              NY   911 Call Center

            Tree blocking Gurnee Road near NY-31.

0127 PM     Tstm Wnd Dmg     3 NNW Canandaigua       42.94N 77.30W
05/17/2025                   Ontario            NY   911 Call Center

            Tree blocking most of Risser Road.

0144 PM     Tstm Wnd Dmg     4 ESE Phelps            42.93N 77.00W
05/17/2025                   Ontario            NY   911 Call Center

            Tree and wires down on Carter Road south of
            Cross Road.

&&

The office that day

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

Issued	Product	Office	Counties	Lasted
May 17, 4:00 AM EDT	Small Craft Advisory	BUF		49 hr
May 17, 6:34 AM EDT	Special Marine Warning	BUF		86 min
May 17, 6:58 AM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Lewis, Oswego	62 min
May 17, 12:03 PM EDT	Special Marine Warning	BUF		87 min
May 17, 12:20 PM EDT	Severe Thunderstorm Warning	BUF	Genesee, Livingston, Monroe, Wyoming	55 min
May 17, 12:34 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Oswego, Wayne	56 min
May 17, 12:46 PM EDT	Severe Thunderstorm Warning	BUF	Livingston, Monroe, Ontario, Wayne	59 min
May 17, 12:47 PM EDT	Special Marine Warning	BUF		88 min
May 17, 1:20 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Lewis, Oswego	55 min
May 17, 1:34 PM EDT	Severe Thunderstorm Warning	BUF	Ontario, Wayne	56 min
May 17, 2:02 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Oswego	58 min
May 17, 2:15 PM EDT	Severe Thunderstorm Warning	BUF	Lewis	47 min

Nearby

Severe Thunderstorm Warnings in New York, 2025 Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.