Alert archive / New York / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 49, NWS Buffalo, NY

July 8, 2014Cattaraugus County, Erie County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jul 8, 2014, 4:00 PM EDT for Cattaraugus County, Erie County, New York. It was in force for 45 min. 3 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 8, 2014, 4:00 PM EDT (20:00 UTC)
Expired: Jul 8, 2014, 4:45 PM EDT
In force: 45 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon

Counties Cattaraugus County, NY, Erie County, NY

The radar

The Buffalo radar (KBUF), 54 km from the middle of the area, began a volume at 19:59 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 8, 4:11 PM EDT	TSTM WND DMG	Cattaraugus, NY	TREES AND POWERLINES DOWN
Jul 8, 4:22 PM EDT	TSTM WND DMG	West Valley, NY	TREES DOWN
Jul 8, 4:47 PM EDT	TSTM WND DMG	Allegany, NY	A COUPLE OF TREES DOWN IN TOWN

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 8, 1:04 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 8.0 hours before the alert went out and 53 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: 232 J/kg
Mixed-layer CIN: -26 J/kg
Mixed-layer LCL: 786 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 66 m²/s²
0-3 km storm-relative helicity: 119 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

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

062 
WUUS51 KBUF 082000
SVRBUF
NYC009-029-082045-
/O.NEW.KBUF.SV.W.0049.140708T2000Z-140708T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
400 PM EDT TUE JUL 8 2014

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL CATTARAUGUS COUNTY IN WESTERN NEW YORK
  SOUTHERN ERIE COUNTY IN WESTERN NEW YORK

THIS ALSO INCLUDES INTERSTATE 86 BETWEEN EXITS 16 AND 26.

* UNTIL 445 PM EDT

* AT 356 PM 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 ALONG A LINE EXTENDING
  FROM EDEN TO 8 MILES SOUTH OF GOWANDA TO 26 MILES WEST OF
  SALAMANCA...OR ALONG A LINE EXTENDING FROM 8 MILES SOUTH OF HAMBURG
  TO 17 MILES NORTHWEST OF SALAMANCA TO JAMESTOWN...AND MOVING EAST
  AT 50 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  OTTO...
  ASHFORD HOLLOW...
  SARDINIA...
  SALAMANCA...
  ST. BONAVENTURE...
  OLEAN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THESE STORMS.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. 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.

&&

LAT...LON 4209 7903 4271 7902 4271 7899 4274 7895
      4276 7889 4249 7871 4254 7847 4207 7841
TIME...MOT...LOC 2000Z 270DEG 44KT 4262 7882 4235 7887
          4213 7916

$$

HITCHCOCK

2 follow-up statements

729 
WWUS51 KBUF 082026
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
426 PM EDT TUE JUL 8 2014

NYC029-082036-
/O.CAN.KBUF.SV.W.0049.000000T0000Z-140708T2045Z/
ERIE NY-
426 PM EDT TUE JUL 8 2014

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN ERIE COUNTY IS
CANCELLED...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT
TUESDAY EVENING FOR WESTERN NEW YORK.

LAT...LON 4208 7882 4249 7866 4251 7860 4251 7854
      4254 7849 4253 7847 4207 7841
TIME...MOT...LOC 2026Z 256DEG 52KT 4250 7852 4209 7869

$$

NYC009-082045-
/O.CON.KBUF.SV.W.0049.000000T0000Z-140708T2045Z/
CATTARAUGUS NY-
426 PM EDT TUE JUL 8 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR EASTERN CATTARAUGUS COUNTY...

THIS ALSO INCLUDES INTERSTATE 86 BETWEEN EXITS 19 AND 26.

AT 424 PM 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 DELEVAN TO SALAMANCA...OR ALONG A LINE EXTENDING FROM
19 MILES SOUTH OF EAST AURORA TO SALAMANCA...MOVING EAST AT 60 MPH.

SOME LOCATIONS IN THE WARNING INCLUDE...
  ST. BONAVENTURE...
  OLEAN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THESE ARE DANGEROUS STORMS. IF YOU ARE IN THE PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

&&

LAT...LON 4208 7882 4249 7866 4251 7860 4251 7854
      4254 7849 4253 7847 4207 7841
TIME...MOT...LOC 2026Z 256DEG 52KT 4250 7852 4209 7869

$$

HITCHCOCK

109 
WWUS51 KBUF 082046
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
446 PM EDT TUE JUL 8 2014

NYC009-082055-
/O.EXP.KBUF.SV.W.0049.000000T0000Z-140708T2045Z/
CATTARAUGUS NY-
446 PM EDT TUE JUL 8 2014

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL CATTARAUGUS COUNTY HAS
EXPIRED...

AT 445 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE
THUNDERSTORMS THAT PROMPTED THE WARNING HAVE EXITED THE WARNED 
AREA...THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE. 

THE STORMS THAT HAD MOVED THROUGH CENTRAL CATTARAUGUS COUNTY WILL 
NOW MOVE FROM THE SOUTHEAST CORNER OF CATTARAUGUS COUNTY ACROSS THE 
SOUTHERN PORTION OF ALLEGANY COUNTY. A NEW SEVERE THUNDERSTORM 
WARNING HAS BEEN ISSUED FOR THIS ACTIVITY.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT
TUESDAY EVENING FOR WESTERN NEW YORK.

LAT...LON 4208 7882 4249 7866 4251 7860 4251 7854
      4254 7849 4253 7847 4207 7841
TIME...MOT...LOC 2026Z 256DEG 52KT 4250 7852 4209 7869

$$

RSH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 7, 8:12 PM EDT	Special Marine Warning	BUF		63 min
Jul 7, 9:02 PM EDT	Special Marine Warning	BUF		58 min
Jul 7, 10:20 PM EDT	Special Marine Warning	BUF		25 min
Jul 7, 10:25 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Genesee, Orleans, Wyoming	65 min
Jul 8, 2:03 AM EDT	Small Craft Advisory	BUF		33 hr
Jul 8, 1:01 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus, Chautauqua	59 min
Jul 8, 1:56 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Wyoming	49 min
Jul 8, 2:43 PM EDT	Special Marine Warning	BUF		92 min
Jul 8, 2:45 PM EDT	Severe Thunderstorm Warning	BUF	Chautauqua	60 min
Jul 8, 3:06 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus, Chautauqua, Erie	54 min
Jul 8, 3:08 PM EDT	Special Marine Warning	BUF		82 min
Jul 8, 3:28 PM EDT	Special Marine Warning	BUF		92 min
Jul 8, 3:35 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Niagara	55 min
Jul 8, 3:46 PM EDT	Special Weather Statement	BUF	Lewis	44 min
Jul 8, 4:10 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Genesee, Niagara, Orleans, Wyoming	44 min
Jul 8, 4:21 PM EDT	Special Marine Warning	BUF		84 min
Jul 8, 4:31 PM EDT	Severe Thunderstorm Warning	BUF	Genesee, Livingston, Monroe, Ontario, Orleans, Wyoming	57 min
Jul 8, 4:43 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Cattaraugus	62 min
Jul 8, 4:51 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Ontario, Oswego, Wayne	54 min
Jul 8, 4:57 PM EDT	Special Marine Warning	BUF		63 min
Jul 8, 4:58 PM EDT	Areal Flood Advisory	BUF	Genesee, Livingston, Monroe, Ontario, Orleans, Wyoming	3 hr
Jul 8, 5:02 PM EDT	Severe Thunderstorm Warning	BUF	Monroe, Ontario, Wayne	58 min
Jul 8, 5:16 PM EDT	Special Marine Warning	BUF		89 min
Jul 8, 5:41 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Oswego, Wayne	79 min
Jul 8, 5:56 PM EDT	Special Marine Warning	BUF		64 min
Jul 8, 6:03 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Oswego	57 min
Jul 8, 6:12 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Lewis	78 min
Jul 8, 6:54 PM EDT	Areal Flood Advisory	BUF	Jefferson, Lewis	3 hr
Jul 8, 7:30 PM EDT	Special Marine Warning	BUF		60 min

Nearby

Severe Thunderstorm Warnings in New York, 2014 Every severe thunderstorm warning in 2014

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.