Alert archive / New York / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 69, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Aug 8, 2019, 12:20 PM EDT for 4 counties in New York. It was in force for 55 min. 10 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 8, 2019, 12:20 PM EDT (16:20 UTC)
- Expired
- Aug 8, 2019, 1:15 PM EDT
- In force
- 55 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, Wayne County, NY
The radar
The Buffalo radar (KBUF), 119 km from the middle of the area, began a volume at 16:24 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 8, 12:24 PM EDT | TSTM WND DMG | Pittsford, NY | TREE DOWN ON POWERLINES NEAR JEFFERSON AND EASTVIEW TERRACE. TIME ESTIMATED. |
| Aug 8, 12:25 PM EDT | TSTM WND DMG | East Rochester, NY | TREE DOWN ON WIRES ON THE 900 BLOCK OF SOUTH WASHINGTON. TIME ESTIMATED. |
| Aug 8, 12:25 PM EDT | HAIL 0.75 | Penfield, NY | |
| Aug 8, 12:32 PM EDT | TSTM WND DMG | Lima, NY | TREES AND POWERLINED DOWN. TIME ESTIMATED. |
| Aug 8, 12:34 PM EDT | TSTM WND DMG | 5 Ne Penfield, NY | TREE DOWN BLOCKING KENNEDY ROAD IN THE TOWN OF PENFIELD. TIME ESTIMATED |
| Aug 8, 12:39 PM EDT | TSTM WND DMG | 3 E Fairport, NY | TREE DOWN ON THE 1300 BLOCK OF MACEDON CENTER RD. TIME ESTIMATED. |
| Aug 8, 12:48 PM EDT | TSTM WND DMG | Lima, NY | TREES AND POWERLINES DOWN. TIME ESTIMATED. |
| Aug 8, 12:48 PM EDT | TSTM WND DMG | West Bloomfield, NY | TREE DOWN NEAR 5/20 AND COUNTY ROAD 37. TIME ESTIMATED. |
| Aug 8, 12:49 PM EDT | TSTM WND DMG | 1 W Ionia, NY | TREE DOWN NEAR COX ROAD AND COUNTY ROAD 14. TIME ESTIMATED. |
| Aug 8, 1:11 PM EDT | TSTM WND DMG | 3 Ne Hopewell Center, NY | TREE DOWN ON TAYLOR ROAD. TIME ESTIMATED. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 4.3 hours before the alert went out and 116 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
- 39 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 1232 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 119 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
708
WUUS51 KBUF 081620
SVRBUF
NYC051-055-069-117-081715-
/O.NEW.KBUF.SV.W.0069.190808T1620Z-190808T1715Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Buffalo NY
1220 PM EDT Thu Aug 8 2019
The National Weather Service in Buffalo has issued a
* Severe Thunderstorm Warning for...
Western Wayne County in western New York...
Northeastern Livingston County in western New York...
Southeastern Monroe County in western New York...
Northern Ontario County in western New York...
* Until 115 PM EDT..
* At 1219 PM EDT, severe thunderstorms were located along a line
extending from near Greece to near Scottsville to 6 miles east of
Pavilion, moving east at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Canandaigua, East Rochester, Webster, Fairport, Brighton, Ontario,
Penfield, Newark, Williamson and Marion.
This includes 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.
&&
LAT...LON 4288 7764 4328 7747 4331 7698 4294 7696
4288 7697
TIME...MOT...LOC 1619Z 266DEG 29KT 4328 7767 4305 7773 4289 7790
HAIL...<.75IN
WIND...60MPH
$$
TMA2 follow-up statements
875
WWUS51 KBUF 081652
SVSBUF
Severe Weather Statement
National Weather Service Buffalo NY
1252 PM EDT Thu Aug 8 2019
NYC051-055-069-117-081715-
/O.CON.KBUF.SV.W.0069.000000T0000Z-190808T1715Z/
Wayne NY-Livingston NY-Monroe NY-Ontario NY-
1252 PM EDT Thu Aug 8 2019
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 PM EDT
FOR WESTERN WAYNE...NORTHEASTERN LIVINGSTON...SOUTHEASTERN MONROE AND
NORTHERN ONTARIO COUNTIES...
At 1251 PM EDT, severe thunderstorms were located along a line
extending from near Williamson to near Fairport to near Lima, moving
east at 35 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Canandaigua, East Rochester, Webster, Fairport, Brighton, Ontario,
Penfield, Newark, Williamson and Marion.
This includes Interstate 90 between exits 45 and 42.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4288 7764 4328 7747 4331 7698 4294 7696
4288 7697
TIME...MOT...LOC 1651Z 266DEG 31KT 4324 7722 4306 7737 4289 7756
HAIL...0.75IN
WIND...60MPH
$$
TMA185
WWUS51 KBUF 081718
SVSBUF
Severe Weather Statement
National Weather Service Buffalo NY
118 PM EDT Thu Aug 8 2019
NYC051-055-069-117-081727-
/O.EXP.KBUF.SV.W.0069.000000T0000Z-190808T1715Z/
Wayne NY-Livingston NY-Monroe NY-Ontario NY-
118 PM EDT Thu Aug 8 2019
...THE SEVERE THUNDERSTORM WARNING FOR WESTERN WAYNE...NORTHEASTERN
LIVINGSTON...SOUTHEASTERN MONROE AND NORTHERN ONTARIO COUNTIES HAS
EXPIRED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been allowed to expire.
A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
western New York.
LAT...LON 4288 7764 4328 7747 4331 7698 4294 7696
4288 7697
TIME...MOT...LOC 1717Z 266DEG 29KT 4325 7697 4307 7712 4290 7731
$$
TMAThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 10:41 PM EDT | Beach Hazards Statement | BUF | Chautauqua, Erie | 22 hr |
| Aug 7, 10:42 PM EDT | Small Craft Advisory | BUF | 71 hr | |
| Aug 8, 4:33 AM EDT | Lakeshore Flood Warning | BUF | Cayuga, Jefferson, Oswego, Wayne | 65 hr |
| Aug 8, 10:16 AM EDT | Special Marine Warning | BUF | 59 min | |
| Aug 8, 10:27 AM EDT | Special Marine Warning | BUF | 63 min | |
| Aug 8, 10:35 AM EDT | Severe Thunderstorm Warning | BUF | Erie, Niagara | 40 min |
| Aug 8, 10:39 AM EDT | Severe Thunderstorm Warning | BUF | Cattaraugus, Chautauqua, Erie | 66 min |
| Aug 8, 10:48 AM EDT | Severe Thunderstorm Warning | BUF | Erie | 42 min |
| Aug 8, 10:58 AM EDT | Special Marine Warning | BUF | 62 min | |
| Aug 8, 11:15 AM EDT | Severe Thunderstorm Warning | BUF | Erie, Genesee, Niagara, Orleans | 60 min |
| Aug 8, 11:39 AM EDT | Special Weather Statement | BUF | Cattaraugus | 36 min |
| Aug 8, 11:45 AM EDT | Severe Thunderstorm Warning | BUF | Cattaraugus, Erie, Wyoming | 36 min |
| Aug 8, 11:50 AM EDT | Severe Thunderstorm Warning | BUF | Genesee, Livingston, Monroe, Orleans | 55 min |
| Aug 8, 11:58 AM EDT | Special Marine Warning | BUF | 62 min | |
| Aug 8, 12:24 PM EDT | Special Weather Statement | BUF | Allegany, Livingston | 36 min |
| Aug 8, 12:30 PM EDT | Special Marine Warning | BUF | 60 min | |
| Aug 8, 12:38 PM EDT | Severe Thunderstorm Warning | BUF | Livingston, Ontario | 67 min |
| Aug 8, 12:53 PM EDT | Severe Thunderstorm Warning | BUF | Allegany, Cattaraugus | 54 min |
| Aug 8, 1:04 PM EDT | Special Marine Warning | BUF | 86 min | |
| Aug 8, 1:06 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Ontario, Oswego, Wayne | 54 min |
| Aug 8, 1:50 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Jefferson, Oswego | 70 min |
| Aug 8, 3:01 PM EDT | Special Weather Statement | BUF | Genesee | 44 min |
| Aug 8, 4:23 PM EDT | Special Weather Statement | BUF | Erie | 37 min |
| Aug 8, 4:50 PM EDT | Special Weather Statement | BUF | Wayne | 40 min |
| Aug 8, 5:12 PM EDT | Special Weather Statement | BUF | Erie | 48 min |
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.