Alert archive / New York / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 95, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Aug 10, 2021, 7:26 PM EDT for 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
- Aug 10, 2021, 7:26 PM EDT (23:26 UTC)
- Expired
- Aug 10, 2021, 8:15 PM EDT
- In force
- 49 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Oswego County, NY
The radar
The Ft Drum radar (KTYX), 36 km from the middle of the area, began a volume at 23:26 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, 11.4 hours before the alert went out and 206 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
- 768 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 48 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
999
WUUS51 KBUF 102326
SVRBUF
NYC075-110015-
/O.NEW.KBUF.SV.W.0095.210810T2326Z-210811T0015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Buffalo NY
726 PM EDT Tue Aug 10 2021
The National Weather Service in Buffalo has issued a
* Severe Thunderstorm Warning for...
Northeastern Oswego County in central New York...
* Until 815 PM EDT.
* At 726 PM EDT, a severe thunderstorm was located over Selkirk
Shores State Park, or near Sandy Island Beach State Park, moving
northeast at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees and power lines.
* Locations impacted include...
Sandy Island Beach State Park, Pulaski, Redfield, Selkirk Shores
State Park, Mexico Point State Park, Richland, Mexico, Orwell,
Sandy Creek and Lacona.
This includes Interstate 81 between exits 34 and 37.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4348 7581 4344 7584 4342 7623 4356 7632
4356 7628 4358 7626 4367 7626 4369 7620
4368 7620 4367 7602 4371 7602 4369 7577
4347 7576
TIME...MOT...LOC 2326Z 241DEG 25KT 4354 7620
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Zaff2 follow-up statements
036
WWUS51 KBUF 102343
SVSBUF
Severe Weather Statement
National Weather Service Buffalo NY
743 PM EDT Tue Aug 10 2021
NYC075-110015-
/O.CON.KBUF.SV.W.0095.000000T0000Z-210811T0015Z/
Oswego NY-
743 PM EDT Tue Aug 10 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT
FOR NORTHEASTERN OSWEGO COUNTY...
At 743 PM EDT, a severe thunderstorm was located 7 miles northeast of
Pulaski, or 10 miles east of Sandy Island Beach State Park, moving
northeast at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees and power lines.
Locations impacted include...
Sandy Island Beach State Park, Pulaski, Selkirk Shores State Park,
Richland, Orwell, Sandy Creek, Lacona, Smartville, Port Ontario and
Salmon River Reservoir.
This includes Interstate 81 between exits 36 and 37.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4351 7614 4358 7626 4367 7626 4369 7620
4368 7620 4367 7602 4371 7602 4369 7577
4355 7577
TIME...MOT...LOC 2343Z 242DEG 30KT 4361 7599
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Zaff975
WWUS51 KBUF 110008
SVSBUF
Severe Weather Statement
National Weather Service Buffalo NY
808 PM EDT Tue Aug 10 2021
NYC075-110017-
/O.EXP.KBUF.SV.W.0095.000000T0000Z-210811T0015Z/
Oswego NY-
808 PM EDT Tue Aug 10 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN OSWEGO COUNTY
WILL EXPIRE AT 815 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However gusty
winds are still possible with this thunderstorm.
LAT...LON 4351 7614 4358 7626 4367 7626 4369 7620
4368 7620 4367 7602 4371 7602 4369 7577
4355 7577
TIME...MOT...LOC 0007Z 241DEG 25KT 4369 7580
$$
ZaffThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 9:13 AM EDT | Special Weather Statement | BUF | Chautauqua | 62 min |
| Aug 10, 3:49 PM EDT | Special Marine Warning | BUF | 86 min | |
| Aug 10, 5:49 PM EDT | Special Marine Warning | BUF | 41 min | |
| Aug 10, 5:53 PM EDT | Special Marine Warning | BUF | 52 min | |
| Aug 10, 6:29 PM EDT | Special Marine Warning | BUF | 75 min | |
| Aug 10, 7:18 PM EDT | Special Weather Statement | BUF | Oswego | 27 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.