Alert archive / New York / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 25, NWS Buffalo, NY

June 10, 2015Monroe County, Ontario County, Wayne County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 10, 2015, 9:40 PM EDT for Monroe County, Ontario County, Wayne County, New York. It was in force for 35 min. 10 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
Jun 10, 2015, 9:40 PM EDT (01:40 UTC)
Expired
Jun 10, 2015, 10:15 PM EDT
In force
35 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

Counties Monroe County, NY, Ontario County, NY, Wayne County, NY

The radar

The Buffalo radar (KBUF), 119 km from the middle of the area, began a volume at 01:41 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

TimeReportWhereRemark
Jun 10, 9:43 PM EDTTSTM WND DMGMacedon, NYTREES DOWN IN ROAD
Jun 10, 9:45 PM EDTHAIL 1Macedon, NY
Jun 10, 9:46 PM EDTTSTM WND DMGFarmington, NYPOWERLINES DOWN AND POSSIBLE BARN COLLAPSE ON SHORTSVILLE RD
Jun 10, 9:47 PM EDTTSTM WND DMGFarmington, NYLARGE GRAIN SILO BLOWN 300 FEEET
Jun 10, 9:50 PM EDTTORNADO2 Ene Padelford, NYEF0 TORNADO 60-70 MPH...HALF MILE LONG PATH NEAR SHORTSVILLE RD AND CR 28 INTERSECTION.
Jun 10, 10:05 PM EDTTSTM WND DMGPhelps, NYGRAIN BIN COLLAPSED
Jun 10, 10:07 PM EDTTSTM WND DMGPhelps, NY3 TREES DOWN
Jun 10, 10:09 PM EDTTSTM WND DMGVictor, NYNUMEROUS TREES DOWN
Jun 10, 10:19 PM EDTTSTM WND DMGManchester, NYNUMEROUS TREES DOWN
Jun 10, 10:23 PM EDTTSTM WND DMGClifton Springs, NYNUMEROUS TREES DOWN

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 10, 9:02 PM EDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 1.7 hours before the alert went out and 116 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-pSkew-T log-p diagram, Buffalo Intl Airport, NY at 00:00Z on 2015-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 466 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 00:00Z on 2015-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 141 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
466 J/kg
Mixed-layer CIN
-71 J/kg
Mixed-layer LCL
1597 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
141 m²/s²
0-3 km storm-relative helicity
125 m²/s²
Significant tornado parameter
0.1
Supercell composite
2.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

580 
WUUS51 KBUF 110140
SVRBUF
NYC055-069-117-110215-
/O.NEW.KBUF.SV.W.0025.150611T0140Z-150611T0215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
940 PM EDT WED JUN 10 2015

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN ONTARIO COUNTY IN WESTERN NEW YORK...
  SOUTHWESTERN WAYNE COUNTY IN WESTERN NEW YORK...
  SOUTHEASTERN MONROE COUNTY IN WESTERN NEW YORK...

* UNTIL 1015 PM EDT

* AT 940 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS
  OF 60 MPH. THIS STORM WAS LOCATED NEAR VICTOR...OR NEAR FAIRPORT...
  AND MOVING EAST AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CANANDAIGUA...FAIRPORT...NEWARK...MARION...LYONS...PALMYRA...VICTOR
  AND CLIFTON SPRINGS.

THIS INCLUDES INTERSTATE 90 BETWEEN EXITS 45 AND 43.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL...
DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION...MOVE TO
AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.

THIS IS A SUPERCELL THUNDERSTORM. DUE TO THE ROTATING NATURE OF THESE
STORMS...THEY ARE CAPABLE OF PRODUCING ALL TYPES OF SEVERE WEATHER...
INCLUDING EXTREMELY LARGE HAIL...DESTRUCTIVE STRAIGHT LINE WINDS...
AND POSSIBLY TORNADOES. MOVE QUICKLY TO A SAFE SHELTER...PREFERABLY
INTO A BASEMENT...OR AN INTERIOR ROOM SUCH AS A BATHROOM OR CLOSET.

&&

LAT...LON 4293 7749 4312 7745 4317 7695 4285 7701
TIME...MOT...LOC 0140Z 276DEG 49KT 4303 7735 

$$

HITCHCOCK
2 follow-up statements
724 
WWUS51 KBUF 110157
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
957 PM EDT WED JUN 10 2015

NYC055-069-117-110215-
/O.CON.KBUF.SV.W.0025.000000T0000Z-150611T0215Z/
ONTARIO NY-WAYNE NY-MONROE NY-
957 PM EDT WED JUN 10 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM EDT
FOR NORTHERN ONTARIO...SOUTHWESTERN WAYNE AND SOUTHEASTERN MONROE
COUNTIES...

AT 957 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60
MPH. THIS STORM WAS LOCATED NEAR NEWARK...OR 10 MILES NORTHEAST OF
CANANDAIGUA...MOVING EAST AT 55 MPH.

A TORNADO WARNING IS ALSO IN EFFECT FOR A PORTION OF NORTHERN 
ONTARIO COUNTY.

LOCATIONS IMPACTED INCLUDE...
CANANDAIGUA...FAIRPORT...NEWARK...MARION...LYONS...PALMYRA...VICTOR
AND CLIFTON SPRINGS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL...
DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.

THIS IS A SUPERCELL THUNDERSTORM. DUE TO THE ROTATING NATURE OF THESE
STORMS...THEY ARE CAPABLE OF PRODUCING ALL TYPES OF SEVERE WEATHER...
INCLUDING EXTREMELY LARGE HAIL...DESTRUCTIVE STRAIGHT LINE WINDS...
AND POSSIBLY TORNADOES. MOVE QUICKLY TO A SAFE SHELTER...PREFERABLY
INTO A BASEMENT...OR AN INTERIOR ROOM SUCH AS A BATHROOM OR CLOSET.

&&

LAT...LON 4293 7749 4312 7745 4317 7695 4285 7701
TIME...MOT...LOC 0157Z 276DEG 49KT 4302 7716 

$$

HITCHCOCK
633 
WWUS51 KBUF 110216
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1016 PM EDT WED JUN 10 2015

NYC055-069-117-110226-
/O.EXP.KBUF.SV.W.0025.000000T0000Z-150611T0215Z/
ONTARIO NY-WAYNE NY-MONROE NY-
1016 PM EDT WED JUN 10 2015

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN ONTARIO...
SOUTHWESTERN WAYNE AND SOUTHEASTERN MONROE COUNTIES HAS EXPIRED...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING HAS BEEN ALLOWED TO EXPIRE.

LAT...LON 4293 7749 4312 7745 4317 7695 4285 7701
TIME...MOT...LOC 0214Z 276DEG 49KT 4302 7716 

$$

HITCHCOCK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 8:14 PM EDTSpecial Marine WarningBUF91 min
Jun 10, 8:16 PM EDTSpecial Marine WarningBUF59 min
Jun 10, 8:48 PM EDTSevere Thunderstorm WarningBUFJefferson57 min
Jun 10, 8:56 PM EDTSevere Thunderstorm WarningBUFGenesee, Monroe49 min
Jun 10, 9:12 PM EDTSpecial Marine WarningBUF63 min
Jun 10, 9:16 PM EDTSevere Thunderstorm WarningBUFWayne45 min
Jun 10, 9:36 PM EDTSevere Thunderstorm WarningBUFGenesee, Livingston, Monroe26 min
Jun 10, 9:44 PM EDTSevere Thunderstorm WarningBUFCayuga, Jefferson, Lewis, Oswego61 min
Jun 10, 9:46 PM EDTTornado WarningBUFOntario29 min
Jun 10, 10:33 PM EDTSevere Thunderstorm WarningBUFOntario27 min
Jun 11, 10:02 AM EDTSpecial Weather StatementBUFMonroe58 min

Nearby

Severe Thunderstorm Warnings in New York, 2015Every severe thunderstorm warning in 2015

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.