Alert archive / New York / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 43, NWS Buffalo, NY

July 26, 2012Allegany County, Cattaraugus County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jul 26, 2012, 2:18 PM EDT for Allegany County, Cattaraugus County, New York. It was in force for 42 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: Jul 26, 2012, 2:18 PM EDT (18:18 UTC)
Expired: Jul 26, 2012, 3:00 PM EDT
In force: 42 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon

Counties Allegany County, NY, Cattaraugus County, NY

The radar

The Buffalo radar (KBUF), 87 km from the middle of the area, began a volume at 18:18 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 26, 2:25 PM EDT	TSTM WND DMG	4 N Belfast, NY	TREES DOWN
Jul 26, 2:34 PM EDT	TSTM WND DMG	Angelica, 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 26, 1:16 PM EDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 6.3 hours before the alert went out and 279 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: 2136 J/kg
Mixed-layer CIN: -101 J/kg
Mixed-layer LCL: 847 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 284 m²/s²
0-3 km storm-relative helicity: 277 m²/s²
Significant tornado parameter: 1.7
Supercell composite: 13.9

Open this sounding in Storm Lab

The text

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

022 
WUUS51 KBUF 261818
SVRBUF
NYC003-009-261900-
/O.NEW.KBUF.SV.W.0043.120726T1818Z-120726T1900Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
218 PM EDT THU JUL 26 2012

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN ALLEGANY COUNTY IN WESTERN NEW YORK
  EAST CENTRAL CATTARAUGUS COUNTY IN WESTERN NEW YORK

* UNTIL 300 PM EDT

* AT 213 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM HOUGHTON TO 14 MILES 
  SOUTHWEST OF RUSHFORD...AND MOVING EAST AT 55 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  HOUGHTON...
  BELFAST...
  BIRDSALL...
  ANGELICA...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
THURSDAY EVENING FOR WESTERN NEW YORK.

&&

LAT...LON 4228 7858 4249 7810 4249 7784 4247 7781
      4247 7772 4227 7773 4226 7774
TIME...MOT...LOC 1818Z 271DEG 49KT 4242 7808 4228 7839

$$

HIBBERT

2 follow-up statements

218 
WWUS51 KBUF 261843
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
243 PM EDT THU JUL 26 2012

NYC003-009-261900-
/O.CON.KBUF.SV.W.0043.000000T0000Z-120726T1900Z/
ALLEGANY NY-CATTARAUGUS NY-
243 PM EDT THU JUL 26 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM EDT
FOR EAST CENTRAL CATTARAUGUS AND NORTHERN ALLEGANY COUNTIES...

AT 236 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS
WERE LOCATED ALONG A LINE EXTENDING FROM CANASERAGA TO ANGELICA...OR
ALONG A LINE EXTENDING FROM ARKPORT TO 12 MILES NORTHWEST OF
WELLSVILLE...MOVING EAST AT 55 MPH.

SOME LOCATIONS IN THE WARNING INCLUDE...
  BIRDSALL...
  ALMOND...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT THURSDAY EVENING
FOR CENTRAL NEW YORK. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN
EFFECT UNTIL 1000 PM EDT THURSDAY EVENING FOR WESTERN NEW YORK.

&&

LAT...LON 4228 7858 4249 7810 4249 7784 4247 7781
      4247 7772 4227 7773 4226 7774
TIME...MOT...LOC 1842Z 271DEG 49KT 4241 7764 4227 7795

$$

WOOD

273 
WWUS51 KBUF 261903
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
303 PM EDT THU JUL 26 2012

NYC003-009-261913-
/O.EXP.KBUF.SV.W.0043.000000T0000Z-120726T1900Z/
ALLEGANY NY-CATTARAUGUS NY-
303 PM EDT THU JUL 26 2012

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL CATTARAUGUS AND
NORTHERN ALLEGANY COUNTIES HAS EXPIRED...

AT 303 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE
THUNDERSTORM THAT PROMPTED THE WARNING HAD EXITED THE WARNED AREA...
THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT THURSDAY EVENING
FOR CENTRAL NEW YORK. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN
EFFECT UNTIL 1000 PM EDT THURSDAY EVENING FOR WESTERN NEW YORK.

LAT...LON 4228 7858 4249 7810 4249 7784 4247 7781
      4247 7772 4227 7773 4226 7774
TIME...MOT...LOC 1843Z 271DEG 49KT 4240 7762 4226 7793

$$

WOOD

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 26, 2:38 AM EDT	Special Marine Warning	BUF		39 min
Jul 26, 2:53 AM EDT	Severe Thunderstorm Warning	BUF	Erie, Niagara	52 min
Jul 26, 2:59 AM EDT	Special Marine Warning	BUF		61 min
Jul 26, 3:11 AM EDT	Special Marine Warning	BUF		64 min
Jul 26, 3:20 AM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus, Chautauqua, Erie	55 min
Jul 26, 3:32 AM EDT	Severe Thunderstorm Warning	BUF	Genesee, Wyoming	43 min
Jul 26, 4:02 AM EDT	Special Marine Warning	BUF		43 min
Jul 26, 4:27 AM EDT	Special Weather Statement	BUF	Cattaraugus, Chautauqua	63 min
Jul 26, 4:30 AM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus, Chautauqua	33 min
Jul 26, 1:07 PM EDT	Special Weather Statement	BUF	Cattaraugus, Chautauqua	68 min
Jul 26, 1:16 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus, Chautauqua	59 min
Jul 26, 1:37 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus, Chautauqua	38 min
Jul 26, 2:12 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Cattaraugus	48 min
Jul 26, 2:39 PM EDT	Severe Thunderstorm Warning	BUF	Allegany	51 min

Nearby

Severe Thunderstorm Warnings in New York, 2012 Every severe thunderstorm warning in 2012

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.