Alert archive / New York / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 24, NWS Buffalo, NY

June 10, 2015Genesee County, Livingston County, Monroe County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 10, 2015, 9:36 PM EDT for Genesee County, Livingston County, Monroe County, New York. It was in force for 26 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 10, 2015, 9:36 PM EDT (01:36 UTC)
Expired: Jun 10, 2015, 10:02 PM EDT
In force: 26 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon

Counties Genesee County, NY, Livingston County, NY, Monroe County, NY

The radar

The Buffalo radar (KBUF), 64 km from the middle of the area, began a volume at 01:36 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.

What was reported inside it

Time	Report	Where	Remark
Jun 10, 9:57 PM EDT	TSTM WND DMG	Avon, NY	POWERLINES AND LARGE LIMBS DOWN. TREE LIMB FELL ON PARKED CAR.

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.

Issued	Product	Office	Lasted
Jun 10, 9:02 PM EDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 1.6 hours before the alert went out and 61 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: 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.

410 
WUUS51 KBUF 110136
SVRBUF
NYC037-051-055-110215-
/O.NEW.KBUF.SV.W.0024.150611T0136Z-150611T0215Z/

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

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN LIVINGSTON COUNTY IN WESTERN NEW YORK...
  EASTERN GENESEE COUNTY IN WESTERN NEW YORK...
  SOUTHWESTERN MONROE COUNTY IN WESTERN NEW YORK...

* UNTIL 1015 PM EDT

* AT 936 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM
  WAS LOCATED NEAR BATAVIA...AND MOVING EAST AT 70 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BATAVIA...LE ROY...AVON...HONEOYE FALLS...CALEDONIA...
  SCOTTSVILLE...RIGA AND RUSH.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 390 BETWEEN EXITS 10 AND 11.
 INTERSTATE 90 BETWEEN EXITS 48 AND 46.

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 4288 7825 4307 7824 4308 7769 4299 7757
      4288 7769
TIME...MOT...LOC 0136Z 266DEG 59KT 4299 7810 

$$

HITCHCOCK

2 follow-up statements

357 
WWUS51 KBUF 110151
SVSBUF

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

NYC037-110201-
/O.CAN.KBUF.SV.W.0024.000000T0000Z-150611T0215Z/
GENESEE NY-
951 PM EDT WED JUN 10 2015

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN GENESEE COUNTY IS
CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED EAST OF 
THE COUNTY...THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 4288 7792 4308 7786 4308 7769 4299 7757
      4288 7769
TIME...MOT...LOC 0151Z 268DEG 57KT 4299 7774 

$$

NYC051-055-110215-
/O.CON.KBUF.SV.W.0024.000000T0000Z-150611T0215Z/
LIVINGSTON NY-MONROE NY-
951 PM EDT WED JUN 10 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM EDT
FOR NORTH CENTRAL LIVINGSTON AND SOUTHWESTERN MONROE COUNTIES...

AT 951 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 OVER SCOTTSVILLE...OR 8 MILES SOUTH OF
CHILI...MOVING EAST AT 65 MPH.

LOCATIONS IMPACTED INCLUDE...
AVON...HONEOYE FALLS...CALEDONIA...SCOTTSVILLE...RUSH...MARTIN...
GARBUTT AND MUMFORD.

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 4288 7792 4308 7786 4308 7769 4299 7757
      4288 7769
TIME...MOT...LOC 0151Z 268DEG 57KT 4299 7774 

$$

HITCHCOCK

484 
WWUS51 KBUF 110202
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1002 PM EDT WED JUN 10 2015

NYC051-055-110212-
/O.CAN.KBUF.SV.W.0024.000000T0000Z-150611T0215Z/
LIVINGSTON NY-MONROE NY-
1002 PM EDT WED JUN 10 2015

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL LIVINGSTON AND
SOUTHWESTERN MONROE COUNTIES IS CANCELLED...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 4288 7792 4308 7786 4308 7769 4299 7757
      4288 7769
TIME...MOT...LOC 0200Z 266DEG 59KT 4333 7620 

$$

HITCHCOCK

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 10, 8:14 PM EDT	Special Marine Warning	BUF		91 min
Jun 10, 8:16 PM EDT	Special Marine Warning	BUF		59 min
Jun 10, 8:48 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson	57 min
Jun 10, 8:56 PM EDT	Severe Thunderstorm Warning	BUF	Genesee, Monroe	49 min
Jun 10, 9:12 PM EDT	Special Marine Warning	BUF		63 min
Jun 10, 9:16 PM EDT	Severe Thunderstorm Warning	BUF	Wayne	45 min
Jun 10, 9:40 PM EDT	Severe Thunderstorm Warning	BUF	Monroe, Ontario, Wayne	35 min
Jun 10, 9:44 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Jefferson, Lewis, Oswego	61 min
Jun 10, 9:46 PM EDT	Tornado Warning	BUF	Ontario	29 min
Jun 10, 10:33 PM EDT	Severe Thunderstorm Warning	BUF	Ontario	27 min
Jun 11, 10:02 AM EDT	Special Weather Statement	BUF	Monroe	58 min

Nearby

Severe Thunderstorm Warnings in New York, 2015 Every 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.