Alert archive / New York / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 65, NWS Buffalo, NY

September 10, 2016Chautauqua County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Sep 10, 2016, 6:56 PM EDT for Chautauqua County, New York. It was in force for 64 min. 4 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, 6:56 PM EDT (22:56 UTC)
Expired: Sep 10, 2016, 8:00 PM EDT
In force: 64 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Chautauqua County, NY

The radar

The Buffalo radar (KBUF), 81 km from the middle of the area, began a volume at 22:56 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, 7:27 PM EDT	TSTM WND DMG	Portland, NY	TREES AND WIRES DOWN.
Sep 10, 7:40 PM EDT	TSTM WND DMG	Clymer, NY	TREES AND WIRES DOWN.
Sep 10, 7:46 PM EDT	TSTM WND DMG	Sheridan, NY	TREES AND WIRES DOWN.
Sep 10, 7:52 PM EDT	TSTM WND DMG	Panama, 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, 10.9 hours before the alert went out and 82 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.

635 
WUUS51 KBUF 102256
SVRBUF
NYC013-110000-
/O.NEW.KBUF.SV.W.0065.160910T2256Z-160911T0000Z/

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

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 800 PM EDT.

* AT 655 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR WESTFIELD TO NEAR ALBION OHIO...MOVING EAST AT
  50 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

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

* LOCATIONS IMPACTED INCLUDE...
  JAMESTOWN...DUNKIRK...FREDONIA...WESTFIELD...LAKEWOOD...
  SILVER CREEK...FALCONER AND MAYVILLE.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 90 BETWEEN EXITS 61 AND 58.
 INTERSTATE 86 BETWEEN EXITS 4 AND 14.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4227 7976 4228 7973 4231 7977 4244 7950
      4253 7939 4254 7934 4256 7930 4260 7918
      4258 7913 4257 7913 4257 7911 4254 7906
      4200 7906 4200 7976
TIME...MOT...LOC 2255Z 248DEG 43KT 4235 7965 4190 8029 

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

HIBBERT

2 follow-up statements

418 
WWUS51 KBUF 102332
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
732 PM EDT SAT SEP 10 2016

NYC013-110000-
/O.CON.KBUF.SV.W.0065.000000T0000Z-160911T0000Z/
CHAUTAUQUA NY-
732 PM EDT SAT SEP 10 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR CHAUTAUQUA COUNTY...

AT 732 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM SILVER CREEK TO NEAR WATTSBURG...MOVING NORTHEAST AT 45
MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
JAMESTOWN...DUNKIRK...FREDONIA...WESTFIELD...LAKEWOOD...SILVER CREEK...
FALCONER AND MAYVILLE.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 90 BETWEEN EXITS 61 AND 58.
 INTERSTATE 86 BETWEEN EXITS 4 AND 14.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS.
MOVE INDOORS IMMEDIATELY. LIGHTNING IS ONE OF NATURE'S LEADING
KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO
BE STRUCK BY LIGHTNING.

&&

LAT...LON 4227 7976 4228 7973 4231 7977 4244 7950
      4253 7939 4254 7934 4256 7930 4260 7918
      4258 7913 4254 7915 4257 7911 4256 7909
      4254 7906 4200 7906 4200 7976
TIME...MOT...LOC 2332Z 234DEG 40KT 4255 7915 4203 7978 

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

RSH

791 
WWUS51 KBUF 102347
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
747 PM EDT SAT SEP 10 2016

NYC013-110000-
/O.CON.KBUF.SV.W.0065.000000T0000Z-160911T0000Z/
CHAUTAUQUA NY-
747 PM EDT SAT SEP 10 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR CHAUTAUQUA COUNTY...

AT 747 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER LONG POINT
STATE PARK...OR 11 MILES NORTHWEST OF JAMESTOWN...MOVING NORTHEAST AT
55 MPH.

HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL. 

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
JAMESTOWN...DUNKIRK...FREDONIA...WESTFIELD...LAKEWOOD...SILVER CREEK...
FALCONER AND MAYVILLE.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 90 BETWEEN EXITS 61 AND 58.
 INTERSTATE 86 BETWEEN EXITS 4 AND 14.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
MOVE INDOORS IMMEDIATELY. LIGHTNING IS ONE OF NATURE'S LEADING
KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO
BE STRUCK BY LIGHTNING.

&&

LAT...LON 4227 7976 4228 7973 4231 7977 4244 7950
      4253 7939 4254 7934 4256 7930 4260 7918
      4258 7913 4254 7915 4257 7911 4256 7909
      4254 7906 4200 7906 4200 7976
TIME...MOT...LOC 2347Z 245DEG 48KT 4218 7943 

HAIL...0.75IN
WIND...60MPH
 
$$

RSH

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, 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, 7:32 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus, Chautauqua, Erie	43 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.