Alert archive / New York / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 81, NWS Buffalo, NY

September 17, 20166 counties in New York

NWS Buffalo, NY issued this severe thunderstorm warning at Sep 17, 2016, 6:42 PM EDT for 6 counties in New York. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Sep 17, 2016, 6:42 PM EDT (22:42 UTC)
Expired: Sep 17, 2016, 7:30 PM EDT
In force: 48 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Allegany County, NY, Cattaraugus County, NY, Chautauqua County, NY, Erie County, NY, Genesee County, NY, Wyoming County, NY

The radar

The Buffalo radar (KBUF), 40 km from the middle of the area, began a volume at 22:43 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.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 10.7 hours before the alert went out and 38 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: 48 J/kg
Mixed-layer CIN: -304 J/kg
Mixed-layer LCL: 980 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 226 m²/s²
0-3 km storm-relative helicity: 222 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

305 
WUUS51 KBUF 172242
SVRBUF
NYC003-009-013-029-037-121-172330-
/O.NEW.KBUF.SV.W.0081.160917T2242Z-160917T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
642 PM EDT SAT SEP 17 2016

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN ERIE COUNTY IN WESTERN NEW YORK...
  WESTERN GENESEE COUNTY IN WESTERN NEW YORK...
  NORTHERN CATTARAUGUS COUNTY IN WESTERN NEW YORK...
  NORTHWESTERN ALLEGANY COUNTY IN WESTERN NEW YORK...
  WYOMING COUNTY IN WESTERN NEW YORK...
  NORTHEASTERN CHAUTAUQUA COUNTY IN WESTERN NEW YORK...

* UNTIL 730 PM EDT.

* AT 642 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR LACKAWANNA TO NEAR ORCHARD PARK TO NEAR GOWANDA
  TO 8 MILES SOUTHEAST OF FREDONIA...MOVING EAST AT 50 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

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

* LOCATIONS IMPACTED INCLUDE...
  CHEEKTOWAGA...WEST SENECA...BATAVIA...DEPEW...LANCASTER...
  EAST AURORA...DARIEN LAKES STATE PARK AND ELMA.

THIS INCLUDES INTERSTATE 90 NEAR EXIT 48.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4229 7920 4247 7890 4270 7867 4288 7876
      4310 7810 4279 7802 4254 7807 4235 7838
TIME...MOT...LOC 2242Z 248DEG 45KT 4284 7880 4273 7874 4249 7897 4236
7920

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

HIBBERT

2 follow-up statements

749 
WWUS51 KBUF 172313
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
713 PM EDT SAT SEP 17 2016

NYC003-009-013-029-172322-
/O.CAN.KBUF.SV.W.0081.000000T0000Z-160917T2330Z/
ERIE NY-CATTARAUGUS NY-ALLEGANY NY-CHAUTAUQUA NY-
713 PM EDT SAT SEP 17 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ERIE...NORTHERN
CATTARAUGUS...NORTHWESTERN ALLEGANY AND NORTHEASTERN CHAUTAUQUA
COUNTIES IS CANCELLED...

THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
AREA. THEREFORE...THE WARNING HAS BEEN CANCELLED.

LAT...LON 4255 7846 4261 7846 4277 7840 4302 7834
      4310 7810 4279 7802 4256 7807 4254 7825
TIME...MOT...LOC 2312Z 250DEG 45KT 4297 7815 4286 7809 4262 7832 4249
7855

$$

NYC037-121-172330-
/O.CON.KBUF.SV.W.0081.000000T0000Z-160917T2330Z/
GENESEE NY-WYOMING NY-
713 PM EDT SAT SEP 17 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR WESTERN GENESEE AND WYOMING COUNTIES...

AT 712 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR BATAVIA TO NEAR PAVILION TO 8 MILES NORTHEAST OF
ARCADE TO 6 MILES SOUTHEAST OF EAST CONCORD...MOVING EAST AT 50 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
BATAVIA...WARSAW...ATTICA...ARCADE...VARYSBURG...STAFFORD...
EAGLE AND PIKE.

THIS INCLUDES INTERSTATE 90 NEAR EXIT 48.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4255 7846 4261 7846 4277 7840 4302 7834
      4310 7810 4279 7802 4256 7807 4254 7825
TIME...MOT...LOC 2312Z 250DEG 45KT 4297 7815 4286 7809 4262 7832 4249
7855

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

HIBBERT

066 
WWUS51 KBUF 172326
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
726 PM EDT SAT SEP 17 2016

NYC037-121-172335-
/O.EXP.KBUF.SV.W.0081.000000T0000Z-160917T2330Z/
GENESEE NY-WYOMING NY-
726 PM EDT SAT SEP 17 2016

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN GENESEE AND WYOMING
COUNTIES WILL EXPIRE AT 730 PM EDT...
    
THE STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW SEVERE
LIMITS...AND HAVE EXITED THE WARNED AREA. THEREFORE...THE WARNING WILL
BE ALLOWED TO EXPIRE.  HOWEVER GUSTY WINDS AND HEAVY RAIN ARE STILL
POSSIBLE WITH THESE THUNDERSTORMS.

LAT...LON 4255 7846 4261 7846 4277 7840 4302 7834
      4310 7810 4279 7802 4256 7807 4254 7825
TIME...MOT...LOC 2324Z 248DEG 45KT 4297 7815 4286 7809 4262 7832 4249
7855

$$

RSH

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 16, 10:21 PM EDT	Beach Hazards Statement	BUF	Jefferson	25 hr
Sep 17, 4:48 AM EDT	Small Craft Advisory	BUF		26 hr
Sep 17, 11:30 AM EDT	Special Weather Statement	BUF	Chautauqua	45 min
Sep 17, 4:36 PM EDT	Special Marine Warning	BUF		54 min
Sep 17, 5:22 PM EDT	Severe Thunderstorm Warning	BUF	Chautauqua	38 min
Sep 17, 5:28 PM EDT	Special Marine Warning	BUF		62 min
Sep 17, 6:00 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus, Chautauqua, Erie	45 min
Sep 17, 6:13 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Genesee, Niagara, Orleans	47 min
Sep 17, 6:36 PM EDT	Tornado Warning	BUF	Cattaraugus	24 min
Sep 17, 6:37 PM EDT	Severe Thunderstorm Warning	BUF	Genesee, Livingston, Monroe, Ontario, Orleans	53 min
Sep 17, 6:56 PM EDT	Special Marine Warning	BUF		94 min
Sep 17, 7:00 PM EDT	Tornado Warning	BUF	Cattaraugus	30 min
Sep 17, 7:30 PM EDT	Severe Thunderstorm Warning	BUF	Livingston, Monroe, Ontario, Wayne	60 min
Sep 17, 7:50 PM EDT	Special Marine Warning	BUF		55 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.