Alert archive / New York / Tornado Warnings in 2024

Tornado Warning 19, NWS Buffalo, NY

July 15, 2024Genesee County, Livingston County, Wyoming County, New York

NWS Buffalo, NY issued this tornado warning at Jul 15, 2024, 3:49 PM EDT for Genesee County, Livingston County, Wyoming County, New York. It was in force for 26 min. 4 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
Jul 15, 2024, 3:49 PM EDT (19:49 UTC)
Expired
Jul 15, 2024, 4:15 PM EDT
In force
26 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Genesee County, NY, Livingston County, NY, Wyoming County, NY

The radar

The Buffalo radar (KBUF), 66 km from the middle of the area, began a volume at 19:52 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

TimeReportWhereRemark
Jul 15, 3:50 PM EDTTORNADOPavillion, NYDELAYED REPORT. EF-0 tornado confirmed with a peak wind of 85 mph. A narrow, discontinuous path of tree damage along a 0.75 mile path length with a path width of 75 yards through the center of Pavilion, NY.
Jul 15, 3:52 PM EDTTSTM WND DMGPavillion, NYTrees and wires down.
Jul 15, 3:52 PM EDTTSTM WND DMGPavillion, NYLarge tree down on a deck, with extensive damage to the deck.
Jul 15, 4:11 PM EDTTSTM WND DMG4 Wnw Lakeville, NYTrees and wires down making road impassable.

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.

IssuedProductOfficeLasted
Jul 15, 12:21 PM EDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 7.8 hours before the alert went out and 63 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-pSkew-T log-p diagram, Buffalo Intl Airport, NY at 12:00Z on 2024-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 823 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 12:00Z on 2024-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
823 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
513 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
39 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted.

365 
WFUS51 KBUF 151949
TORBUF
NYC037-051-121-152015-
/O.NEW.KBUF.TO.W.0019.240715T1949Z-240715T2015Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Buffalo NY
349 PM EDT Mon Jul 15 2024

The National Weather Service in Buffalo has issued a

* Tornado Warning for...
  Northeastern Wyoming County in western New York...
  Northwestern Livingston County in western New York...
  Southeastern Genesee County in western New York...

* Until 415 PM EDT.

* At 349 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Pavilion, or 10 miles southeast of Batavia, moving
  east 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...
  Avon, Pavilion, Caledonia, York, and Covington.

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.

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

&&

LAT...LON 4283 7808 4290 7809 4299 7781 4299 7775
      4285 7776
TIME...MOT...LOC 1949Z 251DEG 29KT 4288 7804 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

RSH
2 follow-up statements
535 
WWUS51 KBUF 152006
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
406 PM EDT Mon Jul 15 2024

NYC037-121-152015-
/O.CAN.KBUF.TO.W.0019.000000T0000Z-240715T2015Z/
Wyoming NY-Genesee NY-
406 PM EDT Mon Jul 15 2024

...THE TORNADO WARNING FOR NORTHEASTERN WYOMING AND SOUTHEASTERN
GENESEE COUNTIES IS CANCELLED...

The tornadic thunderstorm which prompted the warning has 
moved out of Wyoming and Genesee counties. Therefore, the warning
has been cancelled for these two counties.

A Severe Thunderstorm Watch remains in effect until 700 PM EDT for
western New York.

&&

LAT...LON 4287 7793 4294 7792 4299 7781 4299 7775
      4285 7776
TIME...MOT...LOC 2005Z 251DEG 29KT 4292 7787 

$$

NYC051-152015-
/O.CON.KBUF.TO.W.0019.000000T0000Z-240715T2015Z/
Livingston NY-
406 PM EDT Mon Jul 15 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM EDT FOR NORTH
CENTRAL LIVINGSTON COUNTY...

At 405 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Caledonia, or 9 miles north of Geneseo, moving east
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...
Avon, Caledonia, and York.

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.

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

&&

LAT...LON 4287 7793 4294 7792 4299 7781 4299 7775
      4285 7776
TIME...MOT...LOC 2005Z 251DEG 29KT 4292 7787 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

RSH
337 
WWUS51 KBUF 152014
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
414 PM EDT Mon Jul 15 2024

NYC051-152023-
/O.EXP.KBUF.TO.W.0019.000000T0000Z-240715T2015Z/
Livingston NY-
414 PM EDT Mon Jul 15 2024

...THE TORNADO WARNING FOR NORTH CENTRAL LIVINGSTON COUNTY WILL
EXPIRE AT 415 PM EDT...

The storm which prompted the tornado warning has weakened, and no longer 
appears capable of producing a tornado. Therefore, the warning will be 
allowed to expire.  However, gusty winds and heavy rain are still 
possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 700 PM EDT for
western 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 4287 7793 4294 7792 4299 7781 4299 7775
      4285 7776
TIME...MOT...LOC 2013Z 251DEG 29KT 4294 7780 

$$

RSH

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 15, 8:57 AM EDTSmall Craft AdvisoryBUF35 hr
Jul 15, 11:50 AM EDTSpecial Marine WarningBUF55 min
Jul 15, 1:08 PM EDTSpecial Marine WarningBUF21 min
Jul 15, 1:12 PM EDTSevere Thunderstorm WarningBUFErie, Niagara48 min
Jul 15, 1:50 PM EDTSpecial Weather StatementBUFGenesee40 min
Jul 15, 1:54 PM EDTSpecial Marine WarningBUF66 min
Jul 15, 1:56 PM EDTSpecial Marine WarningBUF49 min
Jul 15, 2:07 PM EDTSevere Thunderstorm WarningBUFChautauqua, Erie53 min
Jul 15, 2:09 PM EDTSpecial Marine WarningBUF36 min
Jul 15, 2:22 PM EDTSevere Thunderstorm WarningBUFErie, Genesee, Niagara, Orleans53 min
Jul 15, 2:49 PM EDTSpecial Marine WarningBUF41 min
Jul 15, 2:53 PM EDTSevere Thunderstorm WarningBUFErie, Genesee, Wyoming67 min
Jul 15, 3:06 PM EDTSevere Thunderstorm WarningBUFAllegany, Cattaraugus, Erie, Wyoming54 min
Jul 15, 3:08 PM EDTSevere Thunderstorm WarningBUFErie, Genesee, Monroe, Niagara, Orleans27 min
Jul 15, 3:30 PM EDTSevere Thunderstorm Warning Considerable damage threatBUFGenesee, Livingston, Monroe, Wyoming60 min
Jul 15, 3:31 PM EDTBeach Hazards StatementBUFChautauqua, Erie28 hr
Jul 15, 4:07 PM EDTFlash Flood WarningBUFErie, Genesee, Wyoming4 hr
Jul 15, 4:17 PM EDTSevere Thunderstorm Warning Considerable damage threatBUFLivingston, Monroe, Ontario, Wayne58 min
Jul 15, 4:40 PM EDTTornado WarningBUFOntario, Wayne35 min
Jul 15, 4:51 PM EDTSevere Thunderstorm Warning Considerable damage threatBUFCayuga, Ontario, Oswego, Wayne54 min
Jul 15, 4:55 PM EDTFlash Flood WarningBUFGenesee, Livingston, Monroe, Ontario, Wyoming4 hr
Jul 15, 5:26 PM EDTSpecial Marine WarningBUF64 min
Jul 15, 5:42 PM EDTSevere Thunderstorm WarningBUFCayuga, Oswego, Wayne63 min
Jul 15, 6:24 PM EDTSevere Thunderstorm Warning Considerable damage threatBUFLewis, Oswego66 min
Jul 15, 7:20 PM EDTSevere Thunderstorm Warning Considerable damage threatBUFLewis, Oswego55 min

Nearby

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