Alert archive / New York / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 18, NWS Buffalo, NY

June 17, 2014Monroe County, Niagara County, Orleans County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 17, 2014, 7:08 PM EDT for Monroe County, Niagara County, Orleans County, New York. It was in force for 67 min. 11 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 17, 2014, 7:08 PM EDT (23:08 UTC)
Expired: Jun 17, 2014, 8:15 PM EDT
In force: 67 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon

Counties Monroe County, NY, Niagara County, NY, Orleans County, NY

The radar

The Buffalo radar (KBUF), 55 km from the middle of the area, began a volume at 23:12 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 17, 7:41 PM EDT	TSTM WND DMG	Ridgeway, NY	POLE DOWN
Jun 17, 7:43 PM EDT	TSTM WND DMG	Lyndonville, NY	TREE DOWN
Jun 17, 7:50 PM EDT	TSTM WND DMG	Waterport, NY	MULTIPLE TREES AND WIRES DOWN ON PARK AVE.
Jun 17, 7:52 PM EDT	TSTM WND DMG	2 S Carlton, NY	TREES AND WIRES DOWN ON ROUTE 104
Jun 17, 7:52 PM EDT	TSTM WND DMG	Wilson, NY	TREES AND POWER LINES DOWN ACROSS TOWNSHIP
Jun 17, 7:55 PM EDT	TSTM WND DMG	Albion, NY	TREE DOWN
Jun 17, 7:58 PM EDT	TSTM WND DMG	Barker, NY	TREES AND WIRES DOWN
Jun 17, 7:58 PM EDT	TSTM WND DMG	Newfane, NY	TREES AND WIRES DOWN ACROSS TOWN
Jun 17, 7:59 PM EDT	TSTM WND DMG	Somerset, NY	TREES AND WIRES DOWN
Jun 17, 8:06 PM EDT	TSTM WND DMG	2 Nw Gasport, NY	TREE DOWN
Jun 17, 8:09 PM EDT	TSTM WND DMG	Hamlin, NY	10 INCH DIAMETER TREE DOWN ON HUNTINGTON PKWY IN HAMLIN

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 17, 6:51 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 11.1 hours before the alert went out and 55 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: 128 J/kg
Mixed-layer CIN: -86 J/kg
Mixed-layer LCL: 1154 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 83 m²/s²
0-3 km storm-relative helicity: 144 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

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

990 
WUUS51 KBUF 172308
SVRBUF
NYC055-063-073-180015-
/O.NEW.KBUF.SV.W.0018.140617T2308Z-140618T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
708 PM EDT TUE JUN 17 2014

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN MONROE COUNTY IN WESTERN NEW YORK
  NORTHERN NIAGARA COUNTY IN WESTERN NEW YORK
  NORTHERN ORLEANS COUNTY IN WESTERN NEW YORK

* UNTIL 815 PM EDT

* AT 706 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 7 MILES
  WEST OF NEWFANE...OR 11 MILES NORTHWEST OF LOCKPORT...AND MOVING
  EAST AT 50 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  NEWFANE...
  WATERPORT...
  WATERPORT...
  KENDALL...
  HAMLIN BEACH...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN THE PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT
WEDNESDAY MORNING FOR WESTERN NEW YORK.

&&

LAT...LON 4338 7855 4339 7808 4333 7771 4330 7767
      4323 7767 4320 7898 4329 7899
TIME...MOT...LOC 2308Z 264DEG 41KT 4330 7880

$$

JJR

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 17, 2:15 PM EDT	Special Weather Statement	BUF	Monroe	60 min
Jun 17, 2:20 PM EDT	Special Weather Statement	BUF	Livingston	55 min
Jun 17, 2:28 PM EDT	Severe Thunderstorm Warning	BUF	Livingston, Ontario, Wyoming	62 min
Jun 17, 2:40 PM EDT	Severe Thunderstorm Warning	BUF	Monroe, Ontario, Wayne	65 min
Jun 17, 2:41 PM EDT	Special Marine Warning	BUF		64 min
Jun 17, 3:15 PM EDT	Special Marine Warning	BUF		45 min
Jun 17, 3:58 PM EDT	Special Marine Warning	BUF		62 min
Jun 17, 6:28 PM EDT	Special Marine Warning	BUF		92 min
Jun 17, 6:33 PM EDT	Special Marine Warning	BUF		57 min
Jun 17, 7:00 PM EDT	Special Marine Warning	BUF		60 min
Jun 17, 7:27 PM EDT	Special Marine Warning	BUF		33 min
Jun 17, 7:29 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Lewis	46 min
Jun 17, 7:39 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Genesee, Monroe, Niagara, Orleans, Wyoming	66 min
Jun 17, 7:56 PM EDT	Special Marine Warning	BUF		64 min
Jun 17, 7:59 PM EDT	Special Marine Warning	BUF		91 min

Nearby

Severe Thunderstorm Warnings in New York, 2014 Every severe thunderstorm warning in 2014

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.