Alert archive / New York / Tornado Warnings in 2024

Tornado Warning 4, NWS Buffalo, NY

July 10, 2024Erie County, Genesee County, Wyoming County, New York

NWS Buffalo, NY issued this tornado warning at Jul 10, 2024, 1:12 PM EDT for Erie County, Genesee County, Wyoming County, New York. It was in force for 33 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: Jul 10, 2024, 1:12 PM EDT (17:12 UTC)
Expired: Jul 10, 2024, 1:45 PM EDT
In force: 33 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon
Tornado: Observed
Hail: 0.75 in

Counties Erie County, NY, Genesee County, NY, Wyoming County, NY

The radar

The Buffalo radar (KBUF), 26 km from the middle of the area, began a volume at 17:16 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
Jul 10, 1:42 PM EDT	TORNADO	3 Nw Alexander, NY	EF-0 tornado confirmed by NWS Storm Survey in the Town of Darien and Town of Alexander. Maximum winds were 75 mph. Path length was 1 mile. Maximum width was 50 yards.

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
Jul 10, 12:06 PM EDT	Tornado Watch	SPC	11 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 5.2 hours before the alert went out and 22 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: 52 J/kg
Mixed-layer CIN: -248 J/kg
Mixed-layer LCL: 948 m above ground
0-6 km bulk shear: 69 kt
0-1 km storm-relative helicity: 448 m²/s²
0-3 km storm-relative helicity: 543 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 5.3

Open this sounding in Storm Lab

The text

As transmitted.

786 
WFUS51 KBUF 101712
TORBUF
NYC029-037-121-101745-
/O.NEW.KBUF.TO.W.0004.240710T1712Z-240710T1745Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Buffalo NY
112 PM EDT Wed Jul 10 2024

The National Weather Service in Buffalo has issued a

* Tornado Warning for...
  Northwestern Wyoming County in western New York...
  East central Erie County in western New York...
  Southwestern Genesee County in western New York...

* Until 145 PM EDT.

* At 111 PM EDT, a reported tornado was located over Billington 
  Heights, or over East Aurora, moving northeast at 40 mph.

  HAZARD...Damaging tornado.

  SOURCE...Weather spotters reported tornado.

  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...
  East Aurora, Darien Lakes State Park, Elma, Marilla, Pembroke,
  Bennington, Alden, Attica, Wales Center, and Elma Center.

This includes Interstate 90 near exit 48A.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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.

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

&&

LAT...LON 4271 7860 4282 7870 4307 7834 4283 7810
TIME...MOT...LOC 1711Z 231DEG 34KT 4279 7859 

TORNADO...OBSERVED
MAX HAIL SIZE...<.75 IN

$$

HSK

1 follow-up statement

852 
WWUS51 KBUF 101724
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
124 PM EDT Wed Jul 10 2024

NYC029-037-121-101745-
/O.CON.KBUF.TO.W.0004.000000T0000Z-240710T1745Z/
Wyoming NY-Erie NY-Genesee NY-
124 PM EDT Wed Jul 10 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 145 PM EDT FOR
NORTHWESTERN WYOMING...EAST CENTRAL ERIE AND SOUTHWESTERN GENESEE
COUNTIES...

At 123 PM EDT, a confirmed tornado was located over Alden, or near
Darien Lakes State Park, moving northeast at 40 mph.

HAZARD...Damaging tornado.

SOURCE...Weather spotters confirmed tornado.

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...
Darien Lakes State Park, Pembroke, Bennington, Alden, Attica, Corfu,
Alexander, Dale, Cowlesville, and East Pembroke.

This includes Interstate 90 near exit 48A.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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.

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

&&

LAT...LON 4274 7847 4291 7857 4307 7834 4283 7810
TIME...MOT...LOC 1723Z 231DEG 34KT 4287 7846 

TORNADO...OBSERVED
MAX HAIL SIZE...<.75 IN

$$

HSK

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 9, 9:41 PM EDT	Small Craft Advisory	BUF		40 hr
Jul 10, 3:15 AM EDT	Flood Watch	BUF	Jefferson, Lewis, Oswego	19 hr
Jul 10, 4:37 AM EDT	Beach Hazards Statement	BUF	Monroe, Niagara, Orleans	17 hr
Jul 10, 7:04 AM EDT	Special Weather Statement	BUF	Orleans	41 min
Jul 10, 7:21 AM EDT	Special Marine Warning	BUF		54 min
Jul 10, 9:39 AM EDT	Special Marine Warning	BUF		66 min
Jul 10, 10:30 AM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Lewis	60 min
Jul 10, 11:01 AM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Lewis	59 min
Jul 10, 11:11 AM EDT	Severe Thunderstorm Warning	BUF	Chautauqua	64 min
Jul 10, 11:29 AM EDT	Special Marine Warning	BUF		44 min
Jul 10, 11:36 AM EDT	Special Marine Warning	BUF		54 min
Jul 10, 11:48 AM EDT	Tornado Warning	BUF	Chautauqua	27 min
Jul 10, 12:07 PM EDT	Special Marine Warning	BUF		83 min
Jul 10, 12:09 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus, Chautauqua, Erie	66 min
Jul 10, 12:21 PM EDT	Tornado Warning Tornado observed	BUF	Cattaraugus, Chautauqua, Erie	24 min
Jul 10, 12:30 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Cattaraugus, Livingston	75 min
Jul 10, 12:31 PM EDT	Special Marine Warning	BUF		89 min
Jul 10, 12:44 PM EDT	Tornado Warning Tornado observed	BUF	Erie	31 min
Jul 10, 12:48 PM EDT	Special Marine Warning	BUF		57 min
Jul 10, 12:57 PM EDT	Severe Thunderstorm Warning	BUF	Lewis	48 min
Jul 10, 1:06 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Niagara	31 min
Jul 10, 1:27 PM EDT	Severe Thunderstorm Warning	BUF	Genesee, Livingston, Monroe, Ontario, Wayne	63 min
Jul 10, 1:29 PM EDT	Special Marine Warning	BUF		52 min
Jul 10, 1:33 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Lewis, Oswego	57 min
Jul 10, 1:36 PM EDT	Tornado Warning	BUF	Allegany, Livingston, Monroe, Ontario	39 min
Jul 10, 1:39 PM EDT	Severe Thunderstorm Warning Considerable damage threat	BUF	Lewis	22 min
Jul 10, 1:42 PM EDT	Tornado Warning	BUF	Allegany	33 min
Jul 10, 1:43 PM EDT	Tornado Warning	BUF	Jefferson, Oswego	47 min
Jul 10, 1:44 PM EDT	Tornado Warning Tornado observed	BUF	Genesee, Monroe, Orleans	20 min
Jul 10, 2:01 PM EDT	Special Marine Warning	BUF		89 min
Jul 10, 2:17 PM EDT	Tornado Warning	BUF	Ontario, Wayne	43 min
Jul 10, 2:18 PM EDT	Tornado Warning	BUF	Jefferson, Lewis, Oswego	42 min
Jul 10, 2:21 PM EDT	Tornado Warning	BUF	Monroe, Wayne	24 min
Jul 10, 2:24 PM EDT	Tornado Warning	BUF	Cattaraugus, Chautauqua	28 min
Jul 10, 2:26 PM EDT	Severe Thunderstorm Warning	BUF	Livingston, Monroe, Ontario, Wayne	34 min
Jul 10, 2:36 PM EDT	Tornado Warning	BUF	Monroe, Ontario, Wayne	39 min
Jul 10, 2:42 PM EDT	Tornado Warning	BUF	Ontario, Wayne	48 min
Jul 10, 2:43 PM EDT	Severe Thunderstorm Warning	BUF	Chautauqua	29 min
Jul 10, 2:45 PM EDT	Special Marine Warning	BUF		90 min
Jul 10, 2:56 PM EDT	Severe Thunderstorm Warning	BUF	Ontario, Wayne	49 min
Jul 10, 2:59 PM EDT	Severe Thunderstorm Warning	BUF	Lewis	46 min
Jul 10, 3:06 PM EDT	Flash Flood Warning	BUF	Lewis	7 hr
Jul 10, 3:09 PM EDT	Tornado Warning	BUF	Cayuga, Oswego, Wayne	51 min
Jul 10, 3:20 PM EDT	Tornado Warning	BUF	Cayuga, Oswego, Wayne	40 min
Jul 10, 4:05 PM EDT	Tornado Warning	BUF	Jefferson, Lewis, Oswego	40 min
Jul 10, 4:06 PM EDT	Special Marine Warning	BUF		39 min
Jul 10, 4:26 PM EDT	Tornado Warning	BUF	Oswego	28 min
Jul 10, 4:32 PM EDT	Special Weather Statement	BUF	Wayne	28 min
Jul 10, 5:04 PM EDT	Severe Thunderstorm Warning	BUF	Lewis	56 min
Jul 10, 6:17 PM EDT	Special Weather Statement	BUF	Lewis	43 min

Nearby

Tornado Warnings in New York, 2024 Every tornado warning in 2024 Tornadoes in 2024

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.