Alert archive / New York / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 99, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Aug 21, 2019, 6:28 AM EDT for Oswego County, New York. It was in force for 62 min. 2 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 21, 2019, 6:28 AM EDT (10:28 UTC)
- Expired
- Aug 21, 2019, 7:30 AM EDT
- In force
- 62 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), 51 km from the middle of the area, began a volume at 10:29 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 21, 6:33 AM EDT | MARINE TSTM WIND 40 | Oswego, NY | |
| Aug 21, 6:59 AM EDT | TSTM WND DMG | 4 W Sandy Creek, NY | WIRES DOWN |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Albany, NY (KALY), launched 00:00Z, 10.5 hours before the alert went out and 205 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
- 1590 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 134 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
570
WUUS51 KBUF 211028
SVRBUF
NYC075-211130-
/O.NEW.KBUF.SV.W.0099.190821T1028Z-190821T1130Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Buffalo NY
628 AM EDT Wed Aug 21 2019
The National Weather Service in Buffalo has issued a
* Severe Thunderstorm Warning for...
Oswego County in central New York...
* Until 730 AM EDT..
* At 627 AM EDT, a severe thunderstorm was located near Oswego,
moving northeast at 40 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Oswego, Fulton, Sandy Island Beach State Park, Pulaski, Central
Square, Selkirk Shores State Park, Mexico Point State Park, Nine
Mile Point, Battle Island State Park and Hastings.
This includes Interstate 81 between exits 32 and 37.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4348 7581 4333 7589 4328 7587 4321 7608
4327 7620 4320 7621 4324 7626 4324 7627
4321 7626 4323 7644 4345 7665 4356 7645
4356 7628 4366 7626 4369 7620 4367 7602
4371 7602 4370 7593 4348 7580
TIME...MOT...LOC 1027Z 245DEG 34KT 4342 7648
HAIL...0.75IN
WIND...60MPH
$$
JLA2 follow-up statements
412
WWUS51 KBUF 211102
SVSBUF
Severe Weather Statement
National Weather Service Buffalo NY
702 AM EDT Wed Aug 21 2019
NYC075-211130-
/O.CON.KBUF.SV.W.0099.000000T0000Z-190821T1130Z/
Oswego NY-
702 AM EDT Wed Aug 21 2019
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 AM EDT
FOR EASTERN OSWEGO COUNTY...
At 702 AM EDT, a severe thunderstorm was located over Sandy Island
Beach State Park, moving northeast at 40 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Sandy Island Beach State Park, Pulaski, Selkirk Shores State Park,
Mexico Point State Park, Hastings, Richland, Constantia, West Monroe,
New Haven and Mexico.
This includes Interstate 81 between exits 33 and 37.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4348 7581 4333 7589 4328 7587 4321 7608
4338 7617 4356 7645 4355 7628 4358 7626
4366 7626 4369 7620 4368 7620 4367 7602
4371 7602 4370 7593 4348 7580
TIME...MOT...LOC 1102Z 225DEG 35KT 4363 7616
HAIL...0.75IN
WIND...60MPH
$$
RSH986
WWUS51 KBUF 211127
SVSBUF
Severe Weather Statement
National Weather Service Buffalo NY
727 AM EDT Wed Aug 21 2019
NYC075-211137-
/O.EXP.KBUF.SV.W.0099.000000T0000Z-190821T1130Z/
Oswego NY-
727 AM EDT Wed Aug 21 2019
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN OSWEGO COUNTY WILL
EXPIRE AT 730 AM EDT...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire. However heavy rain
is still possible with the area of showers and thunderstorms.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Buffalo.
LAT...LON 4348 7581 4333 7589 4328 7587 4321 7608
4338 7617 4356 7645 4355 7628 4358 7626
4366 7626 4369 7620 4368 7620 4367 7602
4371 7602 4370 7593 4348 7580
TIME...MOT...LOC 1127Z 245DEG 34KT 4372 7589
$$
RSHThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 1:59 AM EDT | Special Weather Statement | BUF | Cattaraugus | 31 min |
| Aug 21, 3:48 AM EDT | Special Weather Statement | BUF | Erie | 27 min |
| Aug 21, 3:56 AM EDT | Flash Flood Warning | BUF | Erie | 3 hr |
| Aug 21, 4:43 AM EDT | Small Craft Advisory | BUF | 23 hr | |
| Aug 21, 4:48 AM EDT | Lakeshore Flood Warning | BUF | Cayuga, Oswego, Wayne | 23 hr |
| Aug 21, 5:43 AM EDT | Special Weather Statement | BUF | Wayne | 32 min |
| Aug 21, 5:58 AM EDT | Special Marine Warning | BUF | 62 min | |
| Aug 21, 6:54 AM EDT | Special Weather Statement | BUF | Jefferson, Lewis | 66 min |
| Aug 21, 6:58 AM EDT | Severe Thunderstorm Warning | BUF | Jefferson, Lewis, Oswego | 77 min |
| Aug 21, 7:04 AM EDT | Areal Flood Warning | BUF | Erie, Niagara | 3 hr |
Nearby
Severe Thunderstorm Warnings in New York, 2019Every severe thunderstorm warning in 2019
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.