Alert archive / New York / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 68, NWS Buffalo, NY

September 10, 2016Cattaraugus County, Chautauqua County, Erie County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Sep 10, 2016, 7:32 PM EDT for Cattaraugus County, Chautauqua County, Erie County, New York. It was in force for 43 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: Sep 10, 2016, 7:32 PM EDT (23:32 UTC)
Expired: Sep 10, 2016, 8:15 PM EDT
In force: 43 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

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

The radar

The Buffalo radar (KBUF), 37 km from the middle of the area, began a volume at 23:32 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
Sep 10, 7:46 PM EDT	TSTM WND DMG	Sheridan, NY	TREES AND WIRES DOWN.
Sep 10, 8:24 PM EDT	TSTM WND DMG	Dayton, 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
Sep 10, 3:30 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 11.5 hours before the alert went out and 35 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: 65 J/kg
Mixed-layer CIN: -62 J/kg
Mixed-layer LCL: 1006 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 106 m²/s²
0-3 km storm-relative helicity: 153 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

417 
WUUS51 KBUF 102332
SVRBUF
NYC009-013-029-110015-
/O.NEW.KBUF.SV.W.0068.160910T2332Z-160911T0015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
732 PM EDT SAT SEP 10 2016

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN ERIE COUNTY IN WESTERN NEW YORK...
  NORTHERN CATTARAUGUS COUNTY IN WESTERN NEW YORK...
  NORTHEASTERN CHAUTAUQUA COUNTY IN WESTERN NEW YORK...

* UNTIL 815 PM EDT.

* AT 732 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM HAMBURG TO 6 MILES SOUTH OF SILVER CREEK...MOVING
  NORTHEAST AT 45 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  FREDONIA...HAMBURG...EAST AURORA...EVANS...BOSTON...EDEN...
  SPRINGVILLE AND COLDEN.

THIS INCLUDES INTERSTATE 90 BETWEEN EXITS 58 AND 57A.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4263 7915 4282 7849 4278 7849 4278 7847
      4252 7846 4238 7845 4242 7933
TIME...MOT...LOC 2332Z 241DEG 37KT 4271 7882 4245 7918 

HAIL...<.75IN
WIND...60MPH
 
$$

HIBBERT

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 10, 10:18 AM EDT	Beach Hazards Statement	BUF	Cayuga, Chautauqua, Erie, Jefferson, Monroe, Niagara and 3 more	39 hr
Sep 10, 5:46 PM EDT	Special Marine Warning	BUF		89 min
Sep 10, 5:53 PM EDT	Special Marine Warning	BUF		82 min
Sep 10, 6:38 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Niagara	52 min
Sep 10, 6:41 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Niagara	64 min
Sep 10, 6:56 PM EDT	Severe Thunderstorm Warning	BUF	Chautauqua	64 min
Sep 10, 7:12 PM EDT	Special Marine Warning	BUF		93 min
Sep 10, 7:21 PM EDT	Special Marine Warning	BUF		54 min
Sep 10, 7:24 PM EDT	Severe Thunderstorm Warning	BUF	Niagara, Orleans	51 min
Sep 10, 7:26 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Genesee, Livingston, Monroe, Niagara, Orleans and 1 more	49 min
Sep 10, 7:39 PM EDT	Special Marine Warning	BUF		66 min
Sep 10, 7:59 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus, Chautauqua, Erie	61 min

Nearby

Severe Thunderstorm Warnings in New York, 2016 Every severe thunderstorm warning in 2016

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.