Alert archive / New York / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 27, NWS Buffalo, NY

June 10, 2015Ontario County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 10, 2015, 10:33 PM EDT for Ontario County, New York. It was in force for 27 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 10, 2015, 10:33 PM EDT (02:33 UTC)
Expired
Jun 10, 2015, 11:00 PM EDT
In force
27 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

County Ontario County, NY

The radar

The Binghamton radar (KBGM), 117 km from the middle of the area, began a volume at 02:36 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 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, 2.6 hours before the alert went out and 128 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.

858 
WUUS51 KBUF 110233
SVRBUF
NYC069-110300-
/O.NEW.KBUF.SV.W.0027.150611T0233Z-150611T0300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1033 PM EDT WED JUN 10 2015

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEAST ONTARIO COUNTY IN WESTERN NEW YORK...

* UNTIL 1100 PM EDT

* AT 1032 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM
  WAS LOCATED NEAR RUSHVILLE...AND MOVING EAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  RUSHVILLE...GORHAM...COTTAGE CITY...HALL...
  CHESHIRE AND SENECA LAKE STATE PARK.

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 4275 7736 4290 7733 4291 7697 4287 7696
      4287 7698 4286 7698 4284 7697 4276 7697
      4276 7731 4274 7733
TIME...MOT...LOC 0232Z 278DEG 43KT 4281 7722 

$$

HITCHCOCK
2 follow-up statements
100 
WWUS51 KBUF 110246
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1046 PM EDT WED JUN 10 2015

NYC069-110300-
/O.CON.KBUF.SV.W.0027.000000T0000Z-150611T0300Z/
ONTARIO NY-
1046 PM EDT WED JUN 10 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM EDT
FOR SOUTHEAST ONTARIO COUNTY...

AT 1046 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM
WAS LOCATED NEAR BENTON...OR NEAR GENEVA...MOVING EAST AT 55 MPH.

LOCATIONS IMPACTED INCLUDE...
GORHAM AND HALL. 

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.

&&

LAT...LON 4284 7714 4285 7698 4276 7697 4276 7716
TIME...MOT...LOC 0246Z 278DEG 47KT 4278 7704 

$$

HITCHCOCK
069 
WWUS51 KBUF 110256
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1056 PM EDT WED JUN 10 2015

NYC069-110306-
/O.EXP.KBUF.SV.W.0027.000000T0000Z-150611T0300Z/
ONTARIO NY-
1056 PM EDT WED JUN 10 2015

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL ONTARIO COUNTY
WILL EXPIRE AT 1100 PM EDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

LAT...LON 4284 7714 4285 7698 4276 7697 4276 7716
TIME...MOT...LOC 0254Z 278DEG 43KT 4278 7704 

$$

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, 9:40 PM EDTSevere Thunderstorm WarningBUFMonroe, Ontario, Wayne35 min
Jun 10, 9:44 PM EDTSevere Thunderstorm WarningBUFCayuga, Jefferson, Lewis, Oswego61 min
Jun 10, 9:46 PM EDTTornado WarningBUFOntario29 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.