Alert archive / New York / Tornado Warnings in 2024
Tornado Warning 10, NWS Buffalo, NY
NWS Buffalo, NY issued this tornado warning at Jul 10, 2024, 2:18 PM EDT for Jefferson County, Lewis County, Oswego County, New York. It was in force for 42 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, 2:18 PM EDT (18:18 UTC)
- Expired
- Jul 10, 2024, 3:00 PM EDT
- In force
- 42 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Jefferson County, NY, Lewis County, NY, Oswego County, NY
The radar
The Ft Drum radar (KTYX), 13 km from the middle of the area, began a volume at 18:18 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, 2:23 PM EDT | TORNADO | 4 Nnw Redfield, NY | A survey of damage corroborated a NWS Doppler Radar debris ball with tree damage crossing County Road 17 and extending to the northeast. |
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
Albany, NY (KALY), launched 12:00Z, 6.3 hours before the alert went out and 185 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
- 565 J/kg
- Mixed-layer CIN
- -65 J/kg
- Mixed-layer LCL
- 986 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 157 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.2
The text
As transmitted.
779
WFUS51 KBUF 101818
TORBUF
NYC045-049-075-101900-
/O.NEW.KBUF.TO.W.0010.240710T1818Z-240710T1900Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Buffalo NY
218 PM EDT Wed Jul 10 2024
The National Weather Service in Buffalo has issued a
* Tornado Warning for...
Southern Jefferson County in central New York...
Southern Lewis County in central New York...
Northeastern Oswego County in central New York...
* Until 300 PM EDT.
* At 218 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Redfield, or 14 miles east of Sandy Island Beach
State Park, moving east at 40 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...
Lowville, Whetstone Gulf State Park, Highmarket, New Bremen,
Watson, Martinsburg, Lyonsdale, Greig, Port Leyden, and Lyons
Falls.
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.
Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!
&&
LAT...LON 4353 7593 4366 7598 4390 7542 4357 7525
TIME...MOT...LOC 1818Z 251DEG 36KT 4360 7591
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
Apffel2 follow-up statements
800
WWUS51 KBUF 101834
SVSBUF
Severe Weather Statement
National Weather Service Buffalo NY
234 PM EDT Wed Jul 10 2024
NYC045-101843-
/O.CAN.KBUF.TO.W.0010.000000T0000Z-240710T1900Z/
Jefferson NY-
234 PM EDT Wed Jul 10 2024
...THE TORNADO WARNING FOR SOUTHERN JEFFERSON COUNTY IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 900 PM EDT for central New
York.
&&
LAT...LON 4358 7579 4366 7582 4384 7543 4357 7527
TIME...MOT...LOC 1833Z 248DEG 32KT 4363 7575
$$
NYC049-075-101900-
/O.CON.KBUF.TO.W.0010.000000T0000Z-240710T1900Z/
Lewis NY-Oswego NY-
234 PM EDT Wed Jul 10 2024
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM EDT FOR
SOUTHWESTERN LEWIS AND NORTHEASTERN OSWEGO COUNTIES...
At 233 PM EDT, a confirmed tornado was located 7 miles northeast of
Redfield, or 20 miles north of Camden, moving east at 35 mph.
HAZARD...Damaging tornado.
SOURCE...Radar 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...
Lowville, Whetstone Gulf State Park, Highmarket, Watson, Martinsburg,
Lyonsdale, Greig, Port Leyden, Lyons Falls, and Constableville.
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.
Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!
&&
LAT...LON 4358 7579 4366 7582 4384 7543 4357 7527
TIME...MOT...LOC 1833Z 248DEG 32KT 4363 7575
TORNADO...OBSERVED
MAX HAIL SIZE...<.75 IN
$$
Apffel127 WWUS51 KBUF 101900 SVSBUF Severe Weather Statement National Weather Service Buffalo NY 300 PM EDT Wed Jul 10 2024 NYC049-075-101910- /O.EXP.KBUF.TO.W.0010.000000T0000Z-240710T1900Z/ Lewis NY-Oswego NY- 300 PM EDT Wed Jul 10 2024 ...THE TORNADO WARNING FOR SOUTHWESTERN LEWIS AND NORTHEASTERN OSWEGO COUNTIES HAS EXPIRED... The tornado threat has diminished and the Tornado Warning has been cancelled. However, damaging winds remain likely and a Severe Thunderstorm Warning remains in effect for the area. A Tornado Watch remains in effect until 900 PM EDT for central New York. && LAT...LON 4358 7579 4366 7582 4384 7543 4357 7527 TIME...MOT...LOC 1900Z 251DEG 36KT 4371 7544 $$ Apffel
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 | 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 | 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, 1:12 PM EDT | Tornado Warning | BUF | Erie, Genesee, Wyoming | 33 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 | 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 | 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, 2:21 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, 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.