Alert archive / New York / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 9, NWS Buffalo, NY

June 6, 2010Chautauqua County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 6, 2010, 2:37 AM EDT for Chautauqua County, New York. It was in force for 53 min. 2 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 6, 2010, 2:37 AM EDT (06:37 UTC)
Expired: Jun 6, 2010, 3:30 AM EDT
In force: 53 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon

County Chautauqua County, NY

The radar

The Buffalo radar (KBUF), 115 km from the middle of the area, began a volume at 06:36 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 6, 3:28 AM EDT	TSTM WND DMG	2 Wnw Jamestown, NY	TREE DOWN ON MERLIN AVE - ELLICOTT
Jun 6, 3:28 AM EDT	TSTM WND DMG	Celoron, NY	PARTIAL ROOF COLLAPSE - ELLICOTT SHORES APT BLDG.

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 6, 2:03 AM EDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 6.6 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-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: 8 J/kg
Mixed-layer CIN: -59 J/kg
Mixed-layer LCL: 1466 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: -25 m²/s²
0-3 km storm-relative helicity: -41 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.2

Open this sounding in Storm Lab

The text

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

872 
WUUS51 KBUF 060637
SVRBUF
NYC013-060730-
/O.NEW.KBUF.SV.W.0009.100606T0637Z-100606T0730Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
237 AM EDT SUN JUN 6 2010

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CHAUTAUQUA COUNTY IN WESTERN NEW YORK

* UNTIL 330 AM EDT

* AT 232 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED JUST WEST OF THE NEW  
  YORK AND PENNSYLVANIA STATE LINE MOVING EAST AT 45 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  FINDLEY LAKE
  CLYMER
  CHAUTAUQUA INSTITUTE
  LAKEWOOD
  FALCONER

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 AM EDT SUNDAY MORNING FOR
WESTERN NEW YORK.

&&

LAT...LON 4208 7977 4220 7978 4227 7977 4229 7972
      4244 7906 4199 7906 4199 7961 4199 7976
      4200 7977
TIME...MOT...LOC 0635Z 259DEG 38KT 4229 7995 4203 8001

$$

APFFEL

1 follow-up statement

241 
WWUS51 KBUF 060710
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
310 AM EDT SUN JUN 6 2010

NYC013-060730-
/O.CON.KBUF.SV.W.0009.000000T0000Z-100606T0730Z/
CHAUTAUQUA NY-
310 AM EDT SUN JUN 6 2010

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 AM EDT
FOR CHAUTAUQUA COUNTY...

AT 304 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 7 MILES NORTH OF MAYVILLE TO CLYMER...OR ALONG A LINE
EXTENDING FROM 13 MILES SOUTHWEST OF FREDONIA TO 19 MILES WEST OF
JAMESTOWN...MOVING EAST AT 45 MPH.

SOME LOCATIONS IN THE WARNING INCLUDE...
  STOCKTON
  SINCLAIRVILLE
  FALCONER

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. 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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 AM EDT SUNDAY MORNING FOR
WESTERN NEW YORK.

&&

LAT...LON 4220 7964 4233 7958 4244 7906 4199 7906
      4199 7976 4200 7977
TIME...MOT...LOC 0709Z 259DEG 38KT 4236 7947 4210 7953

$$

APFFEL

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 6, 2:04 AM EDT	Special Weather Statement	BUF	Chautauqua	56 min
Jun 6, 2:40 AM EDT	Special Marine Warning	BUF		50 min
Jun 6, 3:09 AM EDT	Special Weather Statement	BUF	Cattaraugus, Chautauqua	51 min
Jun 6, 3:26 AM EDT	Tornado Warning	BUF	Cattaraugus, Chautauqua	34 min
Jun 6, 4:03 AM EDT	Severe Thunderstorm Warning	BUF	Allegany, Cattaraugus, Livingston	57 min
Jun 6, 4:12 AM EDT	Tornado Warning	BUF	Allegany, Cattaraugus	21 min
Jun 6, 6:11 AM EDT	Special Marine Warning	BUF		64 min
Jun 6, 7:06 AM EDT	Areal Flood Advisory	BUF	Erie	114 min
Jun 6, 7:48 AM EDT	Areal Flood Advisory	BUF	Genesee	117 min
Jun 6, 11:36 AM EDT	Small Craft Advisory	BUF		4 hr

Nearby

Severe Thunderstorm Warnings in New York, 2010 Every severe thunderstorm warning in 2010

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.