Alert archive / New York / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 53, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Jun 18, 2017, 4:54 PM EDT for 4 counties in New York. It was in force for 51 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
- Jun 18, 2017, 4:54 PM EDT (20:54 UTC)
- Expired
- Jun 18, 2017, 5:45 PM EDT
- In force
- 51 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Genesee County, NY, Livingston County, NY, Monroe County, NY, Wyoming County, NY
The radar
The Buffalo radar (KBUF), 69 km from the middle of the area, began a volume at 20:57 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 |
|---|---|---|---|
| Jun 18, 5:15 PM EDT | TSTM WND DMG | Scottsville, NY | TREE DOWN ON QUAKER RD |
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 |
|---|---|---|---|
| Jun 18, 1:37 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 8.9 hours before the alert went out and 66 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
- 199 J/kg
- Mixed-layer CIN
- -56 J/kg
- Mixed-layer LCL
- 1297 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 163 m²/s²
- 0-3 km storm-relative helicity
- 196 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 2.5
The text
As transmitted.
271
WUUS51 KBUF 182054
SVRBUF
NYC037-051-055-121-182145-
/O.NEW.KBUF.SV.W.0053.170618T2054Z-170618T2145Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Buffalo NY
454 PM EDT SUN JUN 18 2017
The National Weather Service in Buffalo has issued a
* Severe Thunderstorm Warning for...
Northeastern Wyoming County in western New York...
Northwestern Livingston County in western New York...
Central Monroe County in western New York...
Eastern Genesee County in western New York...
* Until 545 PM EDT.
* At 454 PM EDT, a severe thunderstorm was located over Pavilion, or
9 miles southeast of Batavia, moving northeast at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect wind damage to trees and power lines.
* Locations impacted include...
Rochester, Greece, Chili, Batavia, Brighton, Gates-North Gates, Le
Roy, Wyoming, and Spencerport.
This includes the following highways...
Interstate 390 between exits 10 and 12.
Interstate 90 between exits 47 and 46.
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 4302 7818 4333 7763 4332 7762 4292 7763
4272 7817
TIME...MOT...LOC 2054Z 242DEG 30KT 4289 7806
HAIL...<.75IN
WIND...60MPH
$$
HITCHCOCK2 follow-up statements
346
WWUS51 KBUF 182113
SVSBUF
Severe Weather Statement
National Weather Service Buffalo NY
513 PM EDT SUN JUN 18 2017
NYC037-051-055-121-182145-
/O.CON.KBUF.SV.W.0053.000000T0000Z-170618T2145Z/
Wyoming NY-Livingston NY-Monroe NY-Genesee NY-
513 PM EDT SUN JUN 18 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR NORTHEASTERN WYOMING...NORTHWESTERN LIVINGSTON...CENTRAL MONROE
AND EASTERN GENESEE COUNTIES...
At 513 PM EDT, severe thunderstorms were located along a line
extending from Spencerport to near Caledonia, moving northeast at 45
mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect wind damage to trees and power lines.
Locations impacted include...
Rochester, Greece, Chili, Brighton, Gates-North Gates, Le Roy,
Spencerport and Warsaw.
This includes the following highways...
Interstate 390 between exits 10 and 12.
Interstate 90 between exits 47 and 46.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4274 7813 4313 7799 4333 7763 4332 7762
4292 7763
TIME...MOT...LOC 2113Z 231DEG 41KT 4319 7783 4294 7782
HAIL...<.75IN
WIND...60MPH
$$
HITCHCOCK086
WWUS51 KBUF 182144 RRA
SVSBUF
Severe Weather Statement
National Weather Service Buffalo NY
544 PM EDT SUN JUN 18 2017
NYC037-051-055-121-182154-
/O.EXP.KBUF.SV.W.0053.000000T0000Z-170618T2145Z/
Wyoming NY-Livingston NY-Monroe NY-Genesee NY-
544 PM EDT SUN JUN 18 2017
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN WYOMING...
NORTHWESTERN LIVINGSTON...CENTRAL MONROE AND EASTERN GENESEE COUNTIES
WILL EXPIRE AT 545 PM EDT...
The storms which prompted the warning have moved out of the area.
Therefore the warning will be allowed to expire.
A severe thunderstorm watch remains in effect until 900 PM EDT for
western New York.
Remember, a new Severe Thunderstorm Warning still remains in effect
for portions of Livingston and Monroe counties.
LAT...LON 4274 7813 4313 7799 4333 7763 4332 7762
4292 7763
TIME...MOT...LOC 2144Z 242DEG 30KT 4331 7753 4306 7752
$$
HITCHCOCKThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 10:50 PM EDT | Flash Flood Watch | BUF | Allegany, Cattaraugus, Cayuga, Chautauqua, Erie, Jefferson and 7 more | 22 hr |
| Jun 18, 2:07 PM EDT | Special Weather Statement | BUF | Chautauqua | 38 min |
| Jun 18, 2:14 PM EDT | Special Marine Warning | BUF | 61 min | |
| Jun 18, 2:23 PM EDT | Severe Thunderstorm Warning | BUF | Chautauqua | 37 min |
| Jun 18, 2:24 PM EDT | Special Marine Warning | BUF | 66 min | |
| Jun 18, 2:37 PM EDT | Special Weather Statement | BUF | Wayne | 53 min |
| Jun 18, 2:41 PM EDT | Severe Thunderstorm Warning | BUF | Chautauqua | 49 min |
| Jun 18, 3:04 PM EDT | Special Marine Warning | BUF | 86 min | |
| Jun 18, 3:27 PM EDT | Special Marine Warning | BUF | 63 min | |
| Jun 18, 3:45 PM EDT | Severe Thunderstorm Warning | BUF | Cattaraugus, Chautauqua | 60 min |
| Jun 18, 3:53 PM EDT | Severe Thunderstorm Warning | BUF | Cattaraugus, Erie, Wyoming | 67 min |
| Jun 18, 4:05 PM EDT | Special Weather Statement | BUF | Oswego | 40 min |
| Jun 18, 4:29 PM EDT | Severe Thunderstorm Warning | BUF | Genesee, Orleans | 31 min |
| Jun 18, 4:40 PM EDT | Severe Thunderstorm Warning | BUF | Allegany, Cattaraugus | 65 min |
| Jun 18, 4:49 PM EDT | Severe Thunderstorm Warning | BUF | Livingston, Wyoming | 56 min |
| Jun 18, 4:53 PM EDT | Special Weather Statement | BUF | Lewis | 67 min |
| Jun 18, 5:14 PM EDT | Special Weather Statement | BUF | Lewis | 61 min |
| Jun 18, 5:16 PM EDT | Severe Thunderstorm Warning | BUF | Lewis | 59 min |
| Jun 18, 5:19 PM EDT | Severe Thunderstorm Warning | BUF | Livingston, Monroe, Ontario, Wayne | 56 min |
| Jun 18, 5:21 PM EDT | Special Marine Warning | BUF | 54 min | |
| Jun 18, 5:28 PM EDT | Severe Thunderstorm Warning | BUF | Allegany, Livingston, Wyoming | 47 min |
| Jun 18, 5:46 PM EDT | Severe Thunderstorm Warning | BUF | Oswego | 59 min |
| Jun 18, 6:01 PM EDT | Special Marine Warning | BUF | 59 min | |
| Jun 18, 6:11 PM EDT | Severe Thunderstorm Warning | BUF | Ontario, Wayne | 49 min |
| Jun 18, 6:30 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Oswego | 45 min |
| Jun 18, 6:41 PM EDT | Severe Thunderstorm Warning | BUF | Chautauqua | 64 min |
| Jun 18, 6:44 PM EDT | Special Marine Warning | BUF | 61 min | |
| Jun 18, 7:02 PM EDT | Special Marine Warning | BUF | 28 min | |
| Jun 18, 7:13 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson, Lewis, Oswego | 62 min |
| Jun 18, 7:36 PM EDT | Severe Thunderstorm Warning | BUF | Cattaraugus, Chautauqua | 54 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.