Alert archive / New York / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 47, NWS Buffalo, NY

July 8, 2014Cattaraugus County, Chautauqua County, Erie County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jul 8, 2014, 3:06 PM EDT for Cattaraugus County, Chautauqua County, Erie County, New York. It was in force for 54 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: Jul 8, 2014, 3:06 PM EDT (19:06 UTC)
Expired: Jul 8, 2014, 4:00 PM EDT
In force: 54 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon

Counties Cattaraugus County, NY, Chautauqua County, NY, Erie County, NY

The radar

The Buffalo radar (KBUF), 69 km from the middle of the area, began a volume at 19:06 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
Jul 8, 3:30 PM EDT	TSTM WND DMG	Kiantone, NY	TREES AND POWERLINES DOWN
Jul 8, 3:36 PM EDT	TSTM WND DMG	Lakewood, NY	TREES AND POWERLINES DOWN
Jul 8, 3:38 PM EDT	TSTM WND DMG	Busti, NY	TREES AND POWERLINES DOWN
Jul 8, 3:42 PM EDT	TSTM WND DMG	1 Sw Bates, NY	TREES DOWN ON WIRES ON OLD CHATAUQUA ROAD
Jul 8, 3:45 PM EDT	TSTM WND DMG	Cold Spring, NY	TREES AND POWERLINES DOWN
Jul 8, 3:48 PM EDT	TSTM WND DMG	Conewango, NY	TREES DOWN
Jul 8, 3:48 PM EDT	TSTM WND DMG	Dayton, NY	TREE ON HOUSE ON ALLEN STREET
Jul 8, 3:48 PM EDT	TSTM WND DMG	South Dayton, NY	TREES DOWN
Jul 8, 3:49 PM EDT	TSTM WND DMG	Perrysburg, NY	TREES AND WIRES DOWN
Jul 8, 3:50 PM EDT	TSTM WND DMG	Gowanda, NY	TREES AND WIRES 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.

Issued	Product	Office	Lasted
Jul 8, 1:04 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 7.1 hours before the alert went out and 68 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: 232 J/kg
Mixed-layer CIN: -26 J/kg
Mixed-layer LCL: 786 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 66 m²/s²
0-3 km storm-relative helicity: 119 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

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

089 
WUUS51 KBUF 081906
SVRBUF
NYC009-013-029-082000-
/O.NEW.KBUF.SV.W.0047.140708T1906Z-140708T2000Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
306 PM EDT TUE JUL 8 2014

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN CATTARAUGUS COUNTY IN WESTERN NEW YORK
  EASTERN CHAUTAUQUA COUNTY IN WESTERN NEW YORK
  SOUTHWESTERN ERIE COUNTY IN WESTERN NEW YORK

THIS ALSO INCLUDES THE NEW YORK THRUWAY BETWEEN EXITS 58 AND 59.

THIS ALSO INCLUDES INTERSTATE 86 BETWEEN EXITS 11 AND 21.

* UNTIL 400 PM EDT

* AT 303 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED 11 MILES SOUTHEAST OF
  FREDONIA...AND MOVING NORTHEAST AT 45 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  CHERRY CREEK...
  SOUTH DAYTON...
  GOWANDA...
  COLLINS...

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.

&&

LAT...LON 4200 7933 4250 7937 4256 7916 4269 7906
      4276 7891 4255 7870 4199 7867
TIME...MOT...LOC 1905Z 227DEG 40KT 4231 7920

$$

HITCHCOCK

1 follow-up statement

406 
WWUS51 KBUF 081931
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
331 PM EDT TUE JUL 8 2014

NYC009-013-029-082000-
/O.CON.KBUF.SV.W.0047.000000T0000Z-140708T2000Z/
CATTARAUGUS NY-CHAUTAUQUA NY-ERIE NY-
331 PM EDT TUE JUL 8 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR SOUTHWESTERN ERIE...EASTERN CHAUTAUQUA AND WESTERN CATTARAUGUS
COUNTIES...

THIS ALSO INCLUDES THE NEW YORK THRUWAY BETWEEN EXITS 58 AND 59.

THIS ALSO INCLUDES INTERSTATE 86 BETWEEN EXITS 11 AND 21.

AT 327 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR GOWANDA...OR 18 MILES 
SOUTH OF HAMBURG...MOVING NORTHEAST AT 45 MPH. ANOTHER LINE OF 
SEVERE THUNDERSTORMS OVER CENTRAL CHAUTAUQUA COUNTY WILL ALSO MOVE 
INTO THE AREA.

SOME LOCATIONS IN THE WARNING INCLUDE...
  GOWANDA...
  SOUTH DAYTON...
  CHERRY CREEK...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

&&

LAT...LON 4200 7933 4250 7937 4256 7916 4269 7906
      4276 7891 4255 7870 4199 7867
TIME...MOT...LOC 1930Z 227DEG 40KT 4250 7892

$$

HITCHCOCK

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 7, 8:12 PM EDT	Special Marine Warning	BUF		63 min
Jul 7, 9:02 PM EDT	Special Marine Warning	BUF		58 min
Jul 7, 10:20 PM EDT	Special Marine Warning	BUF		25 min
Jul 7, 10:25 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Genesee, Orleans, Wyoming	65 min
Jul 8, 2:03 AM EDT	Small Craft Advisory	BUF		33 hr
Jul 8, 1:01 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus, Chautauqua	59 min
Jul 8, 1:56 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Wyoming	49 min
Jul 8, 2:43 PM EDT	Special Marine Warning	BUF		92 min
Jul 8, 2:45 PM EDT	Severe Thunderstorm Warning	BUF	Chautauqua	60 min
Jul 8, 3:08 PM EDT	Special Marine Warning	BUF		82 min
Jul 8, 3:28 PM EDT	Special Marine Warning	BUF		92 min
Jul 8, 3:35 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Niagara	55 min
Jul 8, 3:46 PM EDT	Special Weather Statement	BUF	Lewis	44 min
Jul 8, 4:00 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus, Erie	45 min
Jul 8, 4:10 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Genesee, Niagara, Orleans, Wyoming	44 min
Jul 8, 4:21 PM EDT	Special Marine Warning	BUF		84 min
Jul 8, 4:31 PM EDT	Severe Thunderstorm Warning	BUF	Genesee, Livingston, Monroe, Ontario, Orleans, Wyoming	57 min
Jul 8, 4:43 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Cattaraugus	62 min
Jul 8, 4:51 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Ontario, Oswego, Wayne	54 min
Jul 8, 4:57 PM EDT	Special Marine Warning	BUF		63 min
Jul 8, 4:58 PM EDT	Areal Flood Advisory	BUF	Genesee, Livingston, Monroe, Ontario, Orleans, Wyoming	3 hr
Jul 8, 5:02 PM EDT	Severe Thunderstorm Warning	BUF	Monroe, Ontario, Wayne	58 min
Jul 8, 5:16 PM EDT	Special Marine Warning	BUF		89 min
Jul 8, 5:41 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Oswego, Wayne	79 min
Jul 8, 5:56 PM EDT	Special Marine Warning	BUF		64 min
Jul 8, 6:03 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Oswego	57 min
Jul 8, 6:12 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Lewis	78 min
Jul 8, 6:54 PM EDT	Areal Flood Advisory	BUF	Jefferson, Lewis	3 hr
Jul 8, 7:30 PM EDT	Special Marine Warning	BUF		60 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.