Alert archive / New York / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 72, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Jul 13, 2017, 12:35 AM EDT for Livingston County, Monroe County, Ontario County, New York. It was in force for 55 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
- Jul 13, 2017, 12:35 AM EDT (04:35 UTC)
- Expired
- Jul 13, 2017, 1:30 AM 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
The radar
The Buffalo radar (KBUF), 111 km from the middle of the area, began a volume at 04:35 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 nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 4.6 hours before the alert went out and 108 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
- 589 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 821 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 122 m²/s²
- 0-3 km storm-relative helicity
- 216 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.5
The text
As transmitted.
832
WUUS51 KBUF 130435
SVRBUF
NYC051-055-069-130530-
/O.NEW.KBUF.SV.W.0072.170713T0435Z-170713T0530Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Buffalo NY
1235 AM EDT THU JUL 13 2017
The National Weather Service in Buffalo has issued a
* Severe Thunderstorm Warning for...
Northeastern Livingston County in western New York...
Southeastern Monroe County in western New York...
Ontario County in western New York...
* Until 130 AM EDT.
* At 1234 AM EDT, a severe thunderstorm was located over Avon, or 9
miles north of Geneseo, moving east at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect wind damage to trees and power lines.
* Locations impacted include...
Geneva, Canandaigua, Avon, Victor, Honeoye Falls, Bristol, Lima and
Clifton Springs.
This includes the following highways...
Interstate 390 between exits 8 and 11.
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 7794 4302 7774 4305 7755 4297 7696
4287 7696 4287 7698 4276 7698 4276 7731
4269 7736
TIME...MOT...LOC 0434Z 284DEG 35KT 4293 7776
HAIL...<.75IN
WIND...60MPH
$$
Apffel2 follow-up statements
299
WWUS51 KBUF 130503
SVSBUF
Severe Weather Statement
National Weather Service Buffalo NY
103 AM EDT THU JUL 13 2017
NYC051-055-130512-
/O.CAN.KBUF.SV.W.0072.000000T0000Z-170713T0530Z/
Livingston NY-Monroe NY-
103 AM EDT THU JUL 13 2017
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN LIVINGSTON AND
SOUTHEASTERN MONROE COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 4282 7757 4294 7748 4303 7739 4297 7696
4287 7696 4287 7698 4276 7698 4276 7731
4269 7736
TIME...MOT...LOC 0502Z 291DEG 39KT 4287 7743
$$
NYC069-130530-
/O.CON.KBUF.SV.W.0072.000000T0000Z-170713T0530Z/
Ontario NY-
103 AM EDT THU JUL 13 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 AM EDT
FOR ONTARIO COUNTY...
At 102 AM EDT, a severe thunderstorm was located over Bloomfield, or
7 miles west of Canandaigua, moving east at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect wind damage to trees and power lines.
Locations impacted include...
Geneva, Canandaigua, Victor, Bristol, Clifton Springs, Phelps,
Bloomfield and Rushville.
This includes Interstate 90 between exits 44 and 42.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4282 7757 4294 7748 4303 7739 4297 7696
4287 7696 4287 7698 4276 7698 4276 7731
4269 7736
TIME...MOT...LOC 0502Z 291DEG 39KT 4287 7743
HAIL...<.75IN
WIND...60MPH
$$
Apffel052
WWUS51 KBUF 130527
SVSBUF
Severe Weather Statement
National Weather Service Buffalo NY
127 AM EDT THU JUL 13 2017
NYC069-130535-
/O.EXP.KBUF.SV.W.0072.000000T0000Z-170713T0530Z/
Ontario NY-
127 AM EDT THU JUL 13 2017
...THE SEVERE THUNDERSTORM WARNING FOR ONTARIO COUNTY WILL EXPIRE AT
130 AM EDT...
The storm which prompted the warning has weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore the warning will be allowed to expire.
LAT...LON 4282 7757 4294 7748 4303 7739 4297 7696
4287 7696 4287 7698 4276 7698 4276 7731
4269 7736
TIME...MOT...LOC 0525Z 284DEG 35KT 4273 7669
$$
ApffelThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 11:24 PM EDT | Special Weather Statement | BUF | Orleans | 36 min |
| Jul 13, 3:58 AM EDT | Small Craft Advisory | BUF | 10 hr | |
| Jul 13, 9:29 AM EDT | Special Weather Statement | BUF | Genesee | 31 min |
| Jul 13, 9:49 AM EDT | Flash Flood Warning | BUF | Erie, Genesee, Livingston, Monroe, Niagara, Ontario and 2 more | 4 hr |
| Jul 13, 10:18 AM EDT | Flash Flood Warning | BUF | Erie, Livingston, Wyoming | 4 hr |
| Jul 13, 10:41 AM EDT | Flash Flood Warning | BUF | Livingston, Monroe, Ontario, Wayne | 4 hr |
| Jul 13, 1:42 PM EDT | Areal Flood Warning | BUF | Erie, Genesee, Livingston, Monroe, Niagara, Ontario and 2 more | 6 hr |
| Jul 13, 1:43 PM EDT | River Flood Warning | BUF | Erie, Wyoming | 9 hr |
| Jul 13, 2:09 PM EDT | Areal Flood Warning | BUF | Erie, Livingston, Wyoming | 6 hr |
| Jul 13, 2:41 PM EDT | Areal Flood Warning | BUF | Livingston, Monroe, Ontario, Wayne | 3 hr |
| Jul 13, 6:10 PM EDT | Special Weather Statement | BUF | Cattaraugus | 65 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.