Alert archive / New York / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 116, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Aug 22, 2017, 3:45 PM EDT for 4 counties in New York. It was in force for 45 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
- Aug 22, 2017, 3:45 PM EDT (19:45 UTC)
- Expired
- Aug 22, 2017, 4:30 PM EDT
- In force
- 45 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Livingston County, NY, Monroe County, NY, Ontario County, NY, Wyoming County, NY
The radar
The Buffalo radar (KBUF), 113 km from the middle of the area, began a volume at 19:44 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 22, 4:05 PM EDT | TSTM WND DMG | 1 S Farmington, NY | TREES AND WIRES 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 22, 12:23 PM EDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 7.8 hours before the alert went out and 110 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
- 435 J/kg
- Mixed-layer CIN
- -95 J/kg
- Mixed-layer LCL
- 1187 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 140 m²/s²
- 0-3 km storm-relative helicity
- 133 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.2
The text
As transmitted.
621
WUUS51 KBUF 221945
SVRBUF
NYC051-055-069-121-222030-
/O.NEW.KBUF.SV.W.0116.170822T1945Z-170822T2030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Buffalo NY
345 PM EDT TUE AUG 22 2017
The National Weather Service in Buffalo has issued a
* Severe Thunderstorm Warning for...
East central Wyoming County in western New York...
Central Livingston County in western New York...
Southeastern Monroe County in western New York...
Ontario County in western New York...
* Until 430 PM EDT.
* At 345 PM EDT, a severe thunderstorm was located near Geneseo,
moving east at 60 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect wind damage to trees and power lines.
* Locations impacted include...
Geneva, Canandaigua, Geneseo, Letchworth State Park, Avon, Mount
Morris, Victor and Honeoye Falls.
This includes the following highways...
Interstate 390 between exits 6 and 10.
Interstate 90 between exits 45 and 42.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
A tornado watch remains in effect until 900 PM EDT for western New
York.
LAT...LON 4265 7806 4304 7762 4300 7696 4287 7696
4286 7698 4276 7698 4276 7731 4271 7735
4264 7737
TIME...MOT...LOC 1945Z 269DEG 51KT 4278 7775
HAIL...<.75IN
WIND...60MPH
$$
Apffel2 follow-up statements
904
WWUS51 KBUF 222004
SVSBUF
Severe Weather Statement
National Weather Service Buffalo NY
404 PM EDT TUE AUG 22 2017
NYC055-121-222013-
/O.CAN.KBUF.SV.W.0116.000000T0000Z-170822T2030Z/
Wyoming NY-Monroe NY-
404 PM EDT TUE AUG 22 2017
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL WYOMING AND
SOUTHEASTERN MONROE COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A tornado watch remains in effect until 900 PM EDT for western New
York.
LAT...LON 4265 7783 4293 7757 4300 7697 4287 7696
4286 7698 4276 7698 4276 7731 4271 7735
4264 7737
TIME...MOT...LOC 2003Z 263DEG 42KT 4280 7747
$$
NYC051-069-222030-
/O.CON.KBUF.SV.W.0116.000000T0000Z-170822T2030Z/
Livingston NY-Ontario NY-
404 PM EDT TUE AUG 22 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR NORTHEASTERN LIVINGSTON AND ONTARIO COUNTIES...
At 403 PM EDT, a severe thunderstorm was located over Honeoye, or 11
miles southwest of Canandaigua, moving east at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect wind damage to trees and power lines.
Locations impacted include...
Geneva, Canandaigua, Conesus, Bristol, Clifton Springs, Phelps,
Bloomfield and Rushville.
This includes Interstate 90 near exit 42.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
A tornado watch remains in effect until 900 PM EDT for western New
York.
LAT...LON 4265 7783 4293 7757 4300 7697 4287 7696
4286 7698 4276 7698 4276 7731 4271 7735
4264 7737
TIME...MOT...LOC 2003Z 263DEG 42KT 4280 7747
HAIL...<.75IN
WIND...60MPH
$$
Apffel049
WWUS51 KBUF 222031
SVSBUF
Severe Weather Statement
National Weather Service Buffalo NY
431 PM EDT TUE AUG 22 2017
NYC051-069-222040-
/O.EXP.KBUF.SV.W.0116.000000T0000Z-170822T2030Z/
Livingston NY-Ontario NY-
431 PM EDT TUE AUG 22 2017
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN LIVINGSTON AND
ONTARIO COUNTIES HAS EXPIRED...
The storm which prompted the warning has moved out of the area.
Therefore the warning has been allowed to expire.
However, a Severe Thunderstorm Warning still remains in effect for
eastern Ontario County until 5 PM.
A tornado watch remains in effect until 900 PM EDT for western New
York.
LAT...LON 4265 7783 4293 7757 4300 7697 4287 7696
4286 7698 4276 7698 4276 7731 4271 7735
4264 7737
TIME...MOT...LOC 2030Z 269DEG 51KT 4281 7696
$$
MitchellThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 10:39 PM EDT | Beach Hazards Statement | BUF | Chautauqua, Erie, Jefferson | 23 hr |
| Aug 22, 4:04 AM EDT | Wind Advisory | BUF | Erie, Genesee, Niagara, Orleans | 13 hr |
| Aug 22, 4:09 AM EDT | Lakeshore Flood Warning | BUF | Cayuga, Jefferson, Oswego, Wayne | 40 hr |
| Aug 22, 7:16 AM EDT | Special Weather Statement | BUF | Lewis | 59 min |
| Aug 22, 9:51 AM EDT | Special Marine Warning | BUF | 54 min | |
| Aug 22, 12:05 PM EDT | Severe Thunderstorm Warning | BUF | Cattaraugus, Chautauqua, Erie | 55 min |
| Aug 22, 12:34 PM EDT | Severe Thunderstorm Warning | BUF | Genesee, Livingston, Monroe, Ontario, Orleans, Wayne and 1 more | 56 min |
| Aug 22, 12:34 PM EDT | Tornado Warning | BUF | Cattaraugus, Chautauqua | 26 min |
| Aug 22, 12:42 PM EDT | Special Marine Warning | BUF | 48 min | |
| Aug 22, 12:44 PM EDT | Special Marine Warning | BUF | 61 min | |
| Aug 22, 12:55 PM EDT | Severe Thunderstorm Warning | BUF | Allegany, Cattaraugus, Erie, Genesee, Livingston, Wyoming | 65 min |
| Aug 22, 1:13 PM EDT | Special Marine Warning | BUF | 62 min | |
| Aug 22, 1:23 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Monroe, Ontario, Oswego, Wayne | 67 min |
| Aug 22, 1:27 PM EDT | Special Marine Warning | BUF | 63 min | |
| Aug 22, 1:42 PM EDT | Special Marine Warning | BUF | 63 min | |
| Aug 22, 1:53 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson, Lewis, Oswego | 67 min |
| Aug 22, 1:56 PM EDT | Severe Thunderstorm Warning | BUF | Allegany, Livingston, Ontario, Wyoming | 49 min |
| Aug 22, 2:05 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Lewis, Oswego | 55 min |
| Aug 22, 2:12 PM EDT | Tornado Warning | BUF | Allegany, Livingston | 33 min |
| Aug 22, 2:47 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson, Lewis, Oswego | 58 min |
| Aug 22, 2:48 PM EDT | Severe Thunderstorm Warning | BUF | Allegany, Cattaraugus, Chautauqua, Erie, Genesee, Livingston and 1 more | 57 min |
| Aug 22, 3:11 PM EDT | Tornado Warning | BUF | Lewis | 34 min |
| Aug 22, 3:15 PM EDT | Tornado Warning | BUF | Lewis | 30 min |
| Aug 22, 3:20 PM EDT | Severe Thunderstorm Warning | BUF | Allegany, Cattaraugus, Livingston, Wyoming | 55 min |
| Aug 22, 4:28 PM EDT | Special Marine Warning | BUF | 92 min | |
| Aug 22, 4:29 PM EDT | Severe Thunderstorm Warning | BUF | Ontario | 19 min |
| Aug 22, 4:40 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Oswego, Wayne | 35 min |
| Aug 22, 4:53 PM EDT | Special Weather Statement | BUF | Jefferson | 67 min |
| Aug 22, 5:10 PM EDT | Severe Thunderstorm Warning | BUF | Oswego | 35 min |
| Aug 22, 5:28 PM EDT | Special Marine Warning | BUF | 47 min | |
| Aug 22, 5:29 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson, Lewis | 61 min |
| Aug 22, 6:28 PM EDT | Special Marine Warning | BUF | 32 min | |
| Aug 22, 6:28 PM EDT | Severe Thunderstorm Warning | BUF | Erie, Niagara | 47 min |
| Aug 22, 7:00 PM EDT | Special Marine Warning | BUF | 30 min | |
| Aug 22, 7:13 PM EDT | Severe Thunderstorm Warning | BUF | Erie, Genesee, Niagara, Orleans, Wyoming | 22 min |
Nearby
Severe Thunderstorm Warnings in New York, 2017Every severe thunderstorm warning in 2017
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.