Alert archive / New York / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 13, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Jun 1, 2018, 4:59 PM EDT for Livingston County, Monroe County, Ontario County, New York. It was in force for 61 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 1, 2018, 4:59 PM EDT (20:59 UTC)
- Expired
- Jun 1, 2018, 6:00 PM EDT
- In force
- 61 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Livingston County, NY, Monroe County, NY, Ontario County, NY
The radar
The Buffalo radar (KBUF), 107 km from the middle of the area, began a volume at 21:02 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 1, 5:05 PM EDT | HAIL 0.75 | Avon, NY |
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, 9.0 hours before the alert went out and 104 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
- 372 J/kg
- Mixed-layer CIN
- -64 J/kg
- Mixed-layer LCL
- 917 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted.
103
WUUS51 KBUF 012059
SVRBUF
NYC051-055-069-012200-
/O.NEW.KBUF.SV.W.0013.180601T2059Z-180601T2200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Buffalo NY
459 PM EDT FRI JUN 1 2018
The National Weather Service in Buffalo has issued a
* Severe Thunderstorm Warning for...
Northeastern Livingston County in western New York...
South central Monroe County in western New York...
Southwestern Ontario County in western New York...
* Until 600 PM EDT..
* At 458 PM EDT, a severe thunderstorm was located near Avon, or 10
miles northeast of Geneseo, moving southeast at 20 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Avon, Honeoye Falls, Bristol, Lima, Naples, Honeoye, Hemlock and
Rush.
#
This includes Interstate 390 between exits 9 and 11.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4258 7755 4293 7781 4302 7765 4276 7726
4276 7732 4271 7735 4267 7736 4267 7737
4265 7737 4257 7747
TIME...MOT...LOC 2058Z 321DEG 15KT 4291 7768
HAIL...1.00IN
WIND...60MPH
$$
Welch2 follow-up statements
565
WWUS51 KBUF 012139
SVSBUF
Severe Weather Statement
National Weather Service Buffalo NY
539 PM EDT FRI JUN 1 2018
NYC051-055-069-012200-
/O.CON.KBUF.SV.W.0013.000000T0000Z-180601T2200Z/
Livingston NY-Monroe NY-Ontario NY-
539 PM EDT FRI JUN 1 2018
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR NORTHEASTERN LIVINGSTON...SOUTHEASTERN MONROE AND SOUTHWESTERN
ONTARIO COUNTIES...
At 538 PM EDT, a severe thunderstorm was located over Honeoye, or 14
miles east of Geneseo, moving southeast at 15 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Honeoye Falls, Bristol, Lima, Naples, Honeoye, Hemlock, West
Bloomfield and Canadice.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4258 7755 4287 7771 4300 7761 4276 7726
4276 7732 4271 7735 4267 7736 4267 7737
4265 7737 4257 7747
TIME...MOT...LOC 2138Z 321DEG 15KT 4278 7753
HAIL...0.75IN
WIND...60MPH
$$
JJR950
WWUS51 KBUF 012156
SVSBUF
Severe Weather Statement
National Weather Service Buffalo NY
556 PM EDT FRI JUN 1 2018
NYC051-055-069-012205-
/O.EXP.KBUF.SV.W.0013.000000T0000Z-180601T2200Z/
Livingston NY-Monroe NY-Ontario NY-
556 PM EDT FRI JUN 1 2018
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN LIVINGSTON...
SOUTHEASTERN MONROE AND SOUTHWESTERN ONTARIO COUNTIES WILL EXPIRE AT
600 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.
LAT...LON 4258 7755 4287 7771 4300 7761 4276 7726
4276 7732 4271 7735 4267 7736 4267 7737
4265 7737 4257 7747
TIME...MOT...LOC 2155Z 321DEG 15KT 4273 7748
$$
WelchThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 1:10 PM EDT | Special Weather Statement | BUF | Wayne | 50 min |
| Jun 1, 1:24 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Ontario, Wayne | 51 min |
| Jun 1, 2:07 PM EDT | Special Weather Statement | BUF | Cattaraugus | 68 min |
| Jun 1, 2:13 PM EDT | Flash Flood Warning | BUF | Cayuga, Wayne | 3 hr |
| Jun 1, 2:16 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Wayne | 44 min |
| Jun 1, 3:28 PM EDT | Special Marine Warning | BUF | 76 min | |
| Jun 1, 3:35 PM EDT | Severe Thunderstorm Warning | BUF | Cattaraugus, Chautauqua | 25 min |
| Jun 1, 3:53 PM EDT | Special Weather Statement | BUF | Allegany | 22 min |
| Jun 1, 3:58 PM EDT | Flash Flood Warning | BUF | Cattaraugus, Chautauqua | 3 hr |
| Jun 1, 4:11 PM EDT | Special Weather Statement | BUF | Livingston | 34 min |
| Jun 1, 4:38 PM EDT | Special Weather Statement | BUF | Genesee | 37 min |
| Jun 1, 4:55 PM EDT | Special Weather Statement | BUF | Ontario | 65 min |
| Jun 1, 5:59 PM EDT | Flash Flood Warning | BUF | Lewis | 3 hr |
| Jun 1, 6:39 PM EDT | Areal Flood Warning | BUF | Cattaraugus, Chautauqua | 6 hr |
Nearby
Severe Thunderstorm Warnings in New York, 2018Every severe thunderstorm warning in 2018
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.