Alert archive / New York / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 2, NWS Buffalo, NY

May 29, 2016Livingston County, Monroe County, Ontario County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at May 29, 2016, 4:40 PM EDT for Livingston County, Monroe County, Ontario County, New York. It was in force for 35 min. 3 reports 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: May 29, 2016, 4:40 PM EDT (20:40 UTC)
Expired: May 29, 2016, 5:15 PM EDT
In force: 35 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), 87 km from the middle of the area, began a volume at 20:44 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
May 29, 4:40 PM EDT	TSTM WND DMG	Geneseo, NY	TREES AND WIRES DOWN.
May 29, 4:49 PM EDT	TSTM WND DMG	Lakeville, NY	TREE DOWN.
May 29, 4:50 PM EDT	HAIL 0.5	1 Ene Lakeville, 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, 8.7 hours before the alert went out and 84 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: 316 J/kg
Mixed-layer CIN: -102 J/kg
Mixed-layer LCL: 1116 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: -1 m²/s²
0-3 km storm-relative helicity: 51 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

826 
WUUS51 KBUF 292040
SVRBUF
NYC051-055-069-292115-
/O.NEW.KBUF.SV.W.0002.160529T2040Z-160529T2115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
440 PM EDT SUN MAY 29 2016

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN ONTARIO COUNTY IN WESTERN NEW YORK...
  NORTHEASTERN LIVINGSTON COUNTY IN WESTERN NEW YORK...
  SOUTH CENTRAL MONROE COUNTY IN WESTERN NEW YORK...

* UNTIL 515 PM EDT

* AT 440 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR AVON...OR NEAR
  GENESEO...MOVING NORTHEAST AT 25 MPH.

  HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  GENESEO...AVON...HONEOYE FALLS...LIMA...BLOOMFIELD...HEMLOCK...EAST
  BLOOMFIELD AND RUSH.

THIS INCLUDES INTERSTATE 390 BETWEEN EXITS 8 AND 10.
 
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 4274 7777 4288 7789 4306 7756 4286 7739
TIME...MOT...LOC 2040Z 237DEG 20KT 4284 7774 

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

WOOD

2 follow-up statements

576 
WWUS51 KBUF 292058
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
458 PM EDT SUN MAY 29 2016

NYC051-055-069-292115-
/O.CON.KBUF.SV.W.0002.000000T0000Z-160529T2115Z/
ONTARIO NY-LIVINGSTON NY-MONROE NY-
458 PM EDT SUN MAY 29 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR NORTHWESTERN ONTARIO...NORTHEASTERN LIVINGSTON AND SOUTH CENTRAL
MONROE COUNTIES...

AT 458 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER LIMA...OR 11
MILES NORTHEAST OF GENESEO...MOVING NORTHEAST AT 25 MPH.

HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
GENESEO...AVON...HONEOYE FALLS...LIMA...BLOOMFIELD...HEMLOCK...EAST
BLOOMFIELD AND RUSH.

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 4274 7777 4288 7789 4306 7756 4286 7739
TIME...MOT...LOC 2058Z 237DEG 20KT 4289 7762 

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

WOOD

626 
WWUS51 KBUF 292110
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
510 PM EDT SUN MAY 29 2016

NYC051-055-069-292120-
/O.EXP.KBUF.SV.W.0002.000000T0000Z-160529T2115Z/
ONTARIO NY-LIVINGSTON NY-MONROE NY-
510 PM EDT SUN MAY 29 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN ONTARIO...
NORTHEASTERN LIVINGSTON AND SOUTH CENTRAL MONROE COUNTIES WILL EXPIRE
AT 515 PM 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 4274 7777 4288 7789 4306 7756 4286 7739
TIME...MOT...LOC 2109Z 237DEG 20KT 4289 7762 

$$

WOOD

The office that day

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

Issued	Product	Office	Counties	Lasted
May 29, 12:59 PM EDT	Special Weather Statement	BUF	Allegany	31 min
May 29, 1:15 PM EDT	Special Weather Statement	BUF	Ontario, Wayne	45 min
May 29, 1:43 PM EDT	Special Weather Statement	BUF	Allegany	32 min
May 29, 2:03 PM EDT	Special Weather Statement	BUF	Ontario, Wayne	42 min
May 29, 2:39 PM EDT	Special Weather Statement	BUF	Lewis	51 min
May 29, 2:49 PM EDT	Special Weather Statement	BUF	Ontario	26 min
May 29, 3:09 PM EDT	Special Weather Statement	BUF	Oswego	36 min
May 29, 3:19 PM EDT	Special Weather Statement	BUF	Ontario	56 min
May 29, 3:37 PM EDT	Special Weather Statement	BUF	Lewis	23 min
May 29, 4:17 PM EDT	Special Weather Statement	BUF	Livingston	28 min
May 29, 4:30 PM EDT	Special Weather Statement	BUF	Monroe	30 min
May 29, 5:06 PM EDT	Special Marine Warning	BUF		54 min
May 29, 5:16 PM EDT	Special Weather Statement	BUF	Ontario	44 min
May 29, 5:27 PM EDT	Severe Thunderstorm Warning	BUF	Monroe	21 min
May 29, 6:41 PM EDT	Flash Flood Warning	BUF	Livingston, Monroe, Ontario	3 hr

Nearby

Severe Thunderstorm Warnings in New York, 2016 Every severe thunderstorm warning in 2016

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.