Alert archive / New York / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 58, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Jul 8, 2021, 4:26 PM EDT for Jefferson County, Lewis County, Oswego County, New York. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 8, 2021, 4:26 PM EDT (20:26 UTC)
- Expired
- Jul 8, 2021, 5:15 PM EDT
- In force
- 49 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Jefferson County, NY, Lewis County, NY, Oswego County, NY
The radar
The Ft Drum radar (KTYX), 53 km from the middle of the area, began a volume at 20:28 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.
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 8.4 hours before the alert went out and 198 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 578 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 126 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
837
WUUS51 KBUF 082026
SVRBUF
NYC045-049-075-082115-
/O.NEW.KBUF.SV.W.0058.210708T2026Z-210708T2115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Buffalo NY
426 PM EDT Thu Jul 8 2021
The National Weather Service in Buffalo has issued a
* Severe Thunderstorm Warning for...
South central Jefferson County in central New York...
Southwestern Lewis County in central New York...
Oswego County in central New York...
* Until 515 PM EDT..
* At 426 PM EDT, a severe thunderstorm was located over Fulton,
moving northeast at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Oswego, Fulton, Sandy Island Beach State Park, Pulaski, Central
Square, Redfield, Selkirk Shores State Park, Mexico Point State
Park, Nine Mile Point and Southwick Beach State Park.
This includes Interstate 81 between exits 32 and 40.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4349 7559 4345 7565 4348 7581 4333 7589
4332 7586 4328 7587 4318 7600 4320 7608
4323 7610 4327 7620 4322 7619 4320 7622
4324 7626 4322 7630 4323 7644 4338 7661
4356 7642 4357 7628 4371 7627 4383 7615
TIME...MOT...LOC 2026Z 220DEG 36KT 4334 7637
HAIL...<.75IN
WIND...60MPH
$$
Apffel2 follow-up statements
033
WWUS51 KBUF 082045
SVSBUF
Severe Weather Statement
National Weather Service Buffalo NY
445 PM EDT Thu Jul 8 2021
NYC045-049-075-082115-
/O.CON.KBUF.SV.W.0058.000000T0000Z-210708T2115Z/
Jefferson NY-Lewis NY-Oswego NY-
445 PM EDT Thu Jul 8 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR SOUTH CENTRAL JEFFERSON...SOUTHWESTERN LEWIS AND OSWEGO
COUNTIES...
At 445 PM EDT, a severe thunderstorm was located near Mexico Point
State Park, or 9 miles south of Sandy Island Beach State Park, moving
northeast at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Sandy Island Beach State Park, Pulaski, Central Square, Redfield,
Selkirk Shores State Park, Mexico Point State Park, Southwick Beach
State Park, Hastings, Richland and Constantia.
This includes Interstate 81 between exits 32 and 40.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4349 7559 4345 7565 4348 7581 4333 7589
4332 7586 4328 7587 4318 7600 4320 7604
4320 7608 4356 7642 4357 7634 4356 7631
4357 7628 4358 7626 4371 7627 4383 7615
TIME...MOT...LOC 2045Z 220DEG 36KT 4349 7620
HAIL...<.75IN
WIND...60MPH
$$
Apffel896
WWUS51 KBUF 082120
SVSBUF
Severe Weather Statement
National Weather Service Buffalo NY
520 PM EDT Thu Jul 8 2021
NYC045-049-075-082130-
/O.EXP.KBUF.SV.W.0058.000000T0000Z-210708T2115Z/
Jefferson NY-Lewis NY-Oswego NY-
520 PM EDT Thu Jul 8 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL JEFFERSON...
SOUTHWESTERN LEWIS AND OSWEGO COUNTIES HAS EXPIRED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been allowed to expire. However heavy
rain is still possible with this thunderstorm.
LAT...LON 4349 7559 4345 7565 4348 7581 4333 7589
4332 7586 4328 7587 4318 7600 4320 7604
4320 7608 4356 7642 4357 7634 4356 7631
4357 7628 4358 7626 4371 7627 4383 7615
TIME...MOT...LOC 2120Z 220DEG 36KT 4375 7590
$$
HSKThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 8:04 PM EDT | Special Weather Statement | BUF | Allegany, Cattaraugus, Chautauqua | 56 min |
| Jul 7, 8:39 PM EDT | Flash Flood Warning | BUF | Allegany | 3 hr |
| Jul 8, 12:48 PM EDT | Special Weather Statement | BUF | Niagara | 27 min |
| Jul 8, 1:40 PM EDT | Special Weather Statement | BUF | Niagara | 35 min |
| Jul 8, 2:18 PM EDT | Special Weather Statement | BUF | Orleans | 42 min |
| Jul 8, 3:08 PM EDT | Special Weather Statement | BUF | Niagara | 67 min |
| Jul 8, 3:23 PM EDT | Special Marine Warning | BUF | 37 min | |
| Jul 8, 3:34 PM EDT | Special Weather Statement | BUF | Erie | 41 min |
| Jul 8, 3:41 PM EDT | Severe Thunderstorm Warning | BUF | Erie, Niagara | 48 min |
| Jul 8, 3:48 PM EDT | Special Marine Warning | BUF | 57 min | |
| Jul 8, 4:13 PM EDT | Severe Thunderstorm Warning | BUF | Erie, Genesee, Niagara, Orleans | 32 min |
| Jul 8, 4:16 PM EDT | Special Weather Statement | BUF | Oswego | 44 min |
| Jul 8, 4:29 PM EDT | Special Weather Statement | BUF | Monroe | 61 min |
| Jul 8, 4:37 PM EDT | Special Marine Warning | BUF | 53 min | |
| Jul 8, 4:45 PM EDT | Special Weather Statement | BUF | Genesee, Monroe | 30 min |
| Jul 8, 4:53 PM EDT | Flash Flood Warning | BUF | Monroe, Wayne | 3 hr |
| Jul 8, 5:09 PM EDT | Special Weather Statement | BUF | Lewis | 51 min |
| Jul 8, 5:12 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson, Lewis, Oswego | 63 min |
| Jul 8, 6:15 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson, Lewis | 60 min |
| Jul 8, 7:52 PM EDT | Special Weather Statement | BUF | Lewis | 38 min |
Nearby
Severe Thunderstorm Warnings in New York, 2021Every severe thunderstorm warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.