Alert archive / New York / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 63, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Jun 18, 2017, 8:13 PM EDT for 4 counties in New York. It was in force for 29 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
- Jun 18, 2017, 8:13 PM EDT (00:13 UTC)
- Expired
- Jun 18, 2017, 8:42 PM EDT
- In force
- 29 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Cattaraugus County, NY, Chautauqua County, NY, Erie County, NY, Wyoming County, NY
The radar
The Buffalo radar (KBUF), 59 km from the middle of the area, began a volume at 00:14 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 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 00:00Z, 0.2 hours before the alert went out and 56 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
- 341 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 845 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 127 m²/s²
- 0-3 km storm-relative helicity
- 149 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.5
The text
As transmitted.
966
WUUS51 KBUF 190013
SVRBUF
NYC009-013-029-121-190115-
/O.NEW.KBUF.SV.W.0063.170619T0013Z-170619T0115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Buffalo NY
813 PM EDT SUN JUN 18 2017
The National Weather Service in Buffalo has issued a
* Severe Thunderstorm Warning for...
Southwestern Wyoming County in western New York...
Central Cattaraugus County in western New York...
Southern Erie County in western New York...
Northeastern Chautauqua County in western New York...
* Until 915 PM EDT.
* At 812 PM EDT, severe thunderstorms were located along a line
extending from 6 miles southeast of Silver Creek to 7 miles south
of Gowanda to 9 miles west of Salamanca, 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...
Holland, Gowanda, Salamanca, Allegany State Park, Boston, Eden,
Springville, Colden and Arcade.
This includes the following highways...
Interstate 90 near exit 58.
Interstate 86 between exits 19 and 21.
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 4209 7883 4232 7885 4254 7914 4279 7871
4273 7828 4252 7830 4252 7831 4225 7832
TIME...MOT...LOC 0012Z 250DEG 45KT 4249 7908 4236 7889 4215 7891
HAIL...<.75IN
WIND...60MPH
$$
HITCHCOCK2 follow-up statements
166
WWUS51 KBUF 190028
SVSBUF
Severe Weather Statement
National Weather Service Buffalo NY
828 PM EDT SUN JUN 18 2017
NYC013-190037-
/O.CAN.KBUF.SV.W.0063.000000T0000Z-170619T0115Z/
Chautauqua NY-
828 PM EDT SUN JUN 18 2017
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CHAUTAUQUA COUNTY
IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A severe thunderstorm watch remains in effect until 900 PM EDT for
western New York.
LAT...LON 4212 7880 4235 7876 4258 7906 4279 7871
4273 7828 4252 7830 4252 7831 4225 7832
TIME...MOT...LOC 0027Z 248DEG 44KT 4255 7888 4242 7869 4221 7871
$$
NYC009-029-121-190115-
/O.CON.KBUF.SV.W.0063.000000T0000Z-170619T0115Z/
Wyoming NY-Cattaraugus NY-Erie NY-
828 PM EDT SUN JUN 18 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM EDT
FOR SOUTHWESTERN WYOMING...EASTERN CATTARAUGUS AND SOUTHERN ERIE
COUNTIES...
At 827 PM EDT, severe thunderstorms were located along a line
extending from near North Collins to Ashford Hollow to near
Salamanca, 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...
Gowanda, Sardinia, Salamanca, Allegany State Park, Boston, Eden,
Springville, Colden, and Arcade.
This includes Interstate 86 between exits 20 and 21.
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 4212 7880 4235 7876 4258 7906 4279 7871
4273 7828 4252 7830 4252 7831 4225 7832
TIME...MOT...LOC 0027Z 248DEG 44KT 4255 7888 4242 7869 4221 7871
HAIL...<.75IN
WIND...60MPH
$$
HITCHCOCK102
WWUS51 KBUF 190042
SVSBUF
Severe Weather Statement
National Weather Service Buffalo NY
842 PM EDT SUN JUN 18 2017
NYC009-029-121-190051-
/O.CAN.KBUF.SV.W.0063.000000T0000Z-170619T0115Z/
Wyoming NY-Cattaraugus NY-Erie NY-
842 PM EDT SUN JUN 18 2017
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN WYOMING...EASTERN
CATTARAUGUS AND SOUTHERN ERIE COUNTIES IS CANCELLED...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore the warning has been cancelled.
A severe thunderstorm watch remains in effect until 900 PM EDT for
western New York.
LAT...LON 4212 7880 4235 7876 4258 7906 4279 7871
4273 7828 4252 7830 4252 7831 4225 7832
TIME...MOT...LOC 0041Z 250DEG 45KT 4261 7865 4248 7846 4227 7848
$$
HITCHCOCKThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 8:13 PM EDT | Severe Thunderstorm Warning | BUF | Lewis | 32 min |
| Jun 19, 3:45 PM EDT | Small Craft Advisory | BUF | 30 hr |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.