Alert archive / New York / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 43, NWS Buffalo, NY

June 15, 2017Genesee County, Monroe County, Orleans County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 15, 2017, 5:26 PM EDT for Genesee County, Monroe County, Orleans County, New York. It was in force for 49 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 15, 2017, 5:26 PM EDT (21:26 UTC)
Expired: Jun 15, 2017, 6:15 PM EDT
In force: 49 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Genesee County, NY, Monroe County, NY, Orleans County, NY

The radar

The Buffalo radar (KBUF), 67 km from the middle of the area, began a volume at 21:27 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 12:00Z, 9.4 hours before the alert went out and 65 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1392 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 90 m²/s²
0-3 km storm-relative helicity: 100 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

610 
WUUS51 KBUF 152126 RRA
SVRBUF
NYC037-055-073-152215-
/O.NEW.KBUF.SV.W.0043.170615T2126Z-170615T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Buffalo NY
526 PM EDT THU JUN 15 2017

The National Weather Service in Buffalo has issued a

* Severe Thunderstorm Warning for...
  Southeastern Orleans County in western New York...
  Northwestern Monroe County in western New York...
  Northeastern Genesee County in western New York...

* Until 615 PM EDT.

* At 526 PM EDT, a severe thunderstorm was located near Byron, or
  near Brockport, moving north at 10 mph.

  HAZARD...60 mph wind gusts and penny size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Expect wind damage to trees and power lines. 

* Locations impacted include...
  Brockport, Byron, Churchville, Holley, Riga, Clarendon, Bergen and
  Fancher.

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 4306 7787 4305 7807 4328 7810 4330 7786
TIME...MOT...LOC 2126Z 176DEG 10KT 4313 7800 

HAIL...0.75IN
WIND...60MPH
 
$$

Mitchell

2 follow-up statements

602 
WWUS51 KBUF 152159
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
559 PM EDT THU JUN 15 2017

NYC037-152209-
/O.CAN.KBUF.SV.W.0043.000000T0000Z-170615T2215Z/
Genesee NY-
559 PM EDT THU JUN 15 2017

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN GENESEE COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 4319 7787 4318 7808 4328 7810 4330 7786
TIME...MOT...LOC 2159Z 222DEG 24KT 4326 7796 

$$

NYC055-073-152215-
/O.CON.KBUF.SV.W.0043.000000T0000Z-170615T2215Z/
Orleans NY-Monroe NY-
559 PM EDT THU JUN 15 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR EAST CENTRAL ORLEANS AND NORTHWESTERN MONROE COUNTIES...

At 559 PM EDT, a severe thunderstorm was located near Brockport,
moving northeast at 25 mph.

HAZARD...60 mph wind gusts and penny size hail. 

SOURCE...Radar indicated. 

IMPACT...Expect wind damage to trees and power lines. 

Locations impacted include...
Brockport, Holley, Clarendon and Fancher. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4319 7787 4318 7808 4328 7810 4330 7786
TIME...MOT...LOC 2159Z 222DEG 24KT 4326 7796 

HAIL...0.75IN
WIND...60MPH
 
$$

Thomas

145 
WWUS51 KBUF 152213
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
613 PM EDT THU JUN 15 2017

NYC055-073-152223-
/O.EXP.KBUF.SV.W.0043.000000T0000Z-170615T2215Z/
Orleans NY-Monroe NY-
613 PM EDT THU JUN 15 2017

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL ORLEANS AND
NORTHWESTERN MONROE COUNTIES WILL EXPIRE AT 615 PM EDT...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning will be allowed to expire.

LAT...LON 4319 7787 4318 7808 4328 7810 4330 7786
TIME...MOT...LOC 2213Z 177DEG 13KT 4336 7796 

$$

Thomas

The office that day

Everything else NWS Buffalo, NY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 15, 9:16 AM EDT	Special Weather Statement	BUF	Genesee	59 min
Jun 15, 10:17 AM EDT	Special Weather Statement	BUF	Livingston, Monroe	58 min
Jun 15, 11:24 AM EDT	Special Weather Statement	BUF	Ontario, Wayne	66 min
Jun 15, 11:41 AM EDT	Flash Flood Watch	BUF	Allegany, Cattaraugus, Chautauqua, Erie, Genesee, Livingston and 4 more	11 hr
Jun 15, 3:46 PM EDT	Special Weather Statement	BUF	Allegany, Cattaraugus, Livingston, Ontario, Wyoming	3 hr
Jun 15, 4:16 PM EDT	Severe Thunderstorm Warning	BUF	Livingston, Ontario	44 min
Jun 15, 4:54 PM EDT	Severe Thunderstorm Warning	BUF	Ontario	66 min
Jun 15, 4:54 PM EDT	Severe Thunderstorm Warning	BUF	Genesee, Livingston, Monroe	51 min
Jun 15, 5:19 PM EDT	Flash Flood Warning	BUF	Allegany, Cattaraugus, Livingston, Ontario, Wyoming	7 hr
Jun 15, 5:26 PM EDT	Severe Thunderstorm Warning	BUF	Livingston, Ontario	64 min
Jun 15, 5:46 PM EDT	Severe Thunderstorm Warning	BUF	Monroe	29 min
Jun 15, 5:53 PM EDT	Special Marine Warning	BUF		52 min
Jun 15, 6:31 PM EDT	Special Weather Statement	BUF	Allegany	29 min
Jun 15, 6:42 PM EDT	Special Weather Statement	BUF	Monroe	63 min
Jun 15, 7:05 PM EDT	Flash Flood Warning	BUF	Livingston, Monroe, Ontario	3 hr

Nearby

Severe Thunderstorm Warnings in New York, 2017 Every 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.