Alert archive / New York / Tornado Warnings in 2023
Tornado Warning 5, NWS Buffalo, NY
NWS Buffalo, NY issued this tornado warning at Aug 12, 2023, 7:29 PM EDT for Oswego County, New York. It was in force for 35 min. 3 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
- Aug 12, 2023, 7:29 PM EDT (23:29 UTC)
- Expired
- Aug 12, 2023, 8:04 PM EDT
- In force
- 35 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.5 in
County Oswego County, NY
The radar
The Ft Drum radar (KTYX), 69 km from the middle of the area, began a volume at 23:31 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 |
|---|---|---|---|
| Aug 12, 7:29 PM EDT | TSTM WND DMG | 2 Ne Hannibal, NY | Tree down on Fowler and Stock Rd. |
| Aug 12, 7:30 PM EDT | TSTM WND DMG | 3 N Hannibal, NY | Multiple trees down near Rt 104. |
| Aug 12, 7:55 PM EDT | TSTM WND DMG | 2 N Palermo, NY | Trees down. |
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 |
|---|---|---|---|
| Aug 12, 12:50 PM EDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 11.5 hours before the alert went out and 200 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
- 270 J/kg
- Mixed-layer CIN
- -93 J/kg
- Mixed-layer LCL
- 757 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 76 m²/s²
- 0-3 km storm-relative helicity
- 118 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
356
WFUS51 KBUF 122329
TORBUF
NYC075-130015-
/O.NEW.KBUF.TO.W.0005.230812T2329Z-230813T0015Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Buffalo NY
729 PM EDT Sat Aug 12 2023
The National Weather Service in Buffalo has issued a
* Tornado Warning for...
Southwestern Oswego County in central New York...
* Until 815 PM EDT.
* At 729 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Battle Island State Park, or near Oswego, moving
east at 25 mph.
HAZARD...Tornado and ping pong ball size hail.
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...
Oswego, Fulton, Battle Island State Park, Mexico Point State Park,
Scriba, Volney, Palermo, New Haven, Minetto, and Mexico.
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.
&&
LAT...LON 4326 7616 4326 7619 4327 7620 4326 7621
4330 7660 4342 7661 4353 7622
TIME...MOT...LOC 2329Z 262DEG 23KT 4336 7656
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
$$
Apffel3 follow-up statements
690
WWUS51 KBUF 122339
SVSBUF
Severe Weather Statement
National Weather Service Buffalo NY
739 PM EDT Sat Aug 12 2023
NYC075-130015-
/O.CON.KBUF.TO.W.0005.000000T0000Z-230813T0015Z/
Oswego NY-
739 PM EDT Sat Aug 12 2023
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM EDT FOR
SOUTHWESTERN OSWEGO COUNTY...
At 738 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Battle Island State Park, or near Fulton, moving
east at 25 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Oswego, Fulton, Battle Island State Park, Mexico Point State Park,
Volney, Palermo, New Haven, Minetto, Mexico, and Pennellville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4326 7616 4326 7619 4327 7620 4326 7621
4331 7652 4343 7653 4353 7622
TIME...MOT...LOC 2338Z 262DEG 23KT 4337 7648
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
Apffel431
WWUS51 KBUF 122351
SVSBUF
Severe Weather Statement
National Weather Service Buffalo NY
751 PM EDT Sat Aug 12 2023
NYC075-130015-
/O.CON.KBUF.TO.W.0005.000000T0000Z-230813T0015Z/
Oswego NY-
751 PM EDT Sat Aug 12 2023
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM EDT FOR WEST
CENTRAL OSWEGO COUNTY...
At 751 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Battle Island State Park, or 7 miles northeast of
Fulton, moving east at 30 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...
Volney, Palermo, and Mexico.
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.
&&
LAT...LON 4334 7623 4334 7641 4343 7644 4351 7621
4336 7618 4335 7618
TIME...MOT...LOC 2351Z 258DEG 25KT 4339 7633
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
Apffel484
WWUS51 KBUF 130004
SVSBUF
Severe Weather Statement
National Weather Service Buffalo NY
804 PM EDT Sat Aug 12 2023
NYC075-130014-
/O.CAN.KBUF.TO.W.0005.000000T0000Z-230813T0015Z/
Oswego NY-
804 PM EDT Sat Aug 12 2023
...THE TORNADO WARNING FOR WEST CENTRAL OSWEGO COUNTY IS CANCELLED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 900 PM EDT for central New
York.
LAT...LON 4334 7623 4334 7641 4343 7644 4351 7621
4336 7618 4335 7618
TIME...MOT...LOC 0003Z 262DEG 23KT 4340 7622
$$
ApffelThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 4:20 AM EDT | Small Craft Advisory | BUF | 18 hr | |
| Aug 12, 4:31 AM EDT | Beach Hazards Statement | BUF | Erie | 13 hr |
| Aug 12, 10:44 AM EDT | Special Marine Warning | BUF | 61 min | |
| Aug 12, 11:15 AM EDT | Special Weather Statement | BUF | Niagara, Orleans | 60 min |
| Aug 12, 11:38 AM EDT | Special Marine Warning | BUF | 52 min | |
| Aug 12, 11:56 AM EDT | Special Marine Warning | BUF | 64 min | |
| Aug 12, 12:15 PM EDT | Special Weather Statement | BUF | Oswego | 30 min |
| Aug 12, 12:30 PM EDT | Special Weather Statement | BUF | Wyoming | 30 min |
| Aug 12, 12:36 PM EDT | Severe Thunderstorm Warning | BUF | Erie, Livingston, Wyoming | 54 min |
| Aug 12, 1:19 PM EDT | Special Marine Warning | BUF | 56 min | |
| Aug 12, 1:33 PM EDT | Special Weather Statement | BUF | Lewis | 57 min |
| Aug 12, 1:41 PM EDT | Severe Thunderstorm Warning | BUF | Lewis | 46 min |
| Aug 12, 2:07 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson, Lewis, Oswego | 53 min |
| Aug 12, 3:43 PM EDT | Special Weather Statement | BUF | Jefferson | 62 min |
| Aug 12, 5:17 PM EDT | Special Weather Statement | BUF | Lewis | 43 min |
| Aug 12, 5:25 PM EDT | Severe Thunderstorm Warning | BUF | Lewis | 35 min |
| Aug 12, 6:29 PM EDT | Special Marine Warning | BUF | 61 min | |
| Aug 12, 6:55 PM EDT | Special Weather Statement | BUF | Orleans | 35 min |
| Aug 12, 6:57 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson, Lewis, Oswego | 63 min |
| Aug 12, 6:58 PM EDT | Special Marine Warning | BUF | 32 min | |
| Aug 12, 7:01 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Oswego | 44 min |
| Aug 12, 7:03 PM EDT | Special Marine Warning | BUF | 42 min | |
| Aug 12, 7:23 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson, Lewis | 67 min |
| Aug 12, 7:27 PM EDT | Special Marine Warning | BUF | 33 min | |
| Aug 12, 7:44 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson, Lewis, Oswego | 61 min |
Nearby
Tornado Warnings in New York, 2023Every tornado warning in 2023Tornadoes in 2023
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.