Alert archive / New York / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 24, NWS Buffalo, NY

June 17, 2014Allegany County, Cattaraugus County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 17, 2014, 9:29 PM EDT for Allegany County, Cattaraugus County, New York. It was in force for 61 min. 1 report 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: Jun 17, 2014, 9:29 PM EDT (01:29 UTC)
Expired: Jun 17, 2014, 10:30 PM EDT
In force: 61 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon

Counties Allegany County, NY, Cattaraugus County, NY

The radar

The Buffalo radar (KBUF), 101 km from the middle of the area, began a volume at 01:30 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
Jun 17, 9:44 PM EDT	TSTM WND DMG	Belfast, NY	TREES DOWN ON ROUTE 19.

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
Jun 17, 6:51 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 1.5 hours before the alert went out and 98 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: 518 J/kg
Mixed-layer CIN: -33 J/kg
Mixed-layer LCL: 1708 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 194 m²/s²
0-3 km storm-relative helicity: 369 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 5.0

Open this sounding in Storm Lab

The text

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

814 
WUUS51 KBUF 180129
SVRBUF
NYC003-009-180230-
/O.NEW.KBUF.SV.W.0024.140618T0129Z-140618T0230Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
929 PM EDT TUE JUN 17 2014

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

THIS ALSO INCLUDES INTERSTATE 86 BETWEEN EXITS 24 AND 33.

* UNTIL 1030 PM EDT

* AT 927 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED 7 MILES SOUTH OF  
  FRANKLINVILLE...OR 10 MILES NORTH OF OLEAN...AND MOVING EAST AT
  50 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  CUBA...
  ALFRED...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT
WEDNESDAY MORNING FOR WESTERN NEW YORK.

&&

LAT...LON 4205 7853 4237 7853 4247 7772 4200 7774
      4199 7775
TIME...MOT...LOC 0129Z 276DEG 42KT 4224 7844

$$

RSH

3 follow-up statements

707 
WWUS51 KBUF 180159
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
959 PM EDT TUE JUN 17 2014

NYC009-180209-
/O.CAN.KBUF.SV.W.0024.000000T0000Z-140618T0230Z/
CATTARAUGUS NY-
959 PM EDT TUE JUN 17 2014

THIS ALSO INCLUDES INTERSTATE 86 BETWEEN EXITS 24 AND 27.

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL CATTARAUGUS
COUNTY IS CANCELLED...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT
WEDNESDAY MORNING FOR WESTERN NEW YORK.

LAT...LON 4203 7827 4232 7827 4247 7772 4200 7774
      4199 7775
TIME...MOT...LOC 0159Z 276DEG 42KT 4212 7805

$$

NYC003-180230-
/O.CON.KBUF.SV.W.0024.000000T0000Z-140618T0230Z/
ALLEGANY NY-
959 PM EDT TUE JUN 17 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM EDT
FOR ALLEGANY COUNTY...

THIS ALSO INCLUDES INTERSTATE 86 BETWEEN EXITS 29 AND 33.

AT 955 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR RICHBURG...OR 8 MILES
WEST OF WELLSVILLE...MOVING EAST AT 50 MPH.

SOME LOCATIONS IN THE WARNING INCLUDE...
  WELLSVILLE...
  STANNARDS...
  WHITESVILLE...
  WHITESVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT
WEDNESDAY MORNING FOR WESTERN NEW YORK.

&&

LAT...LON 4203 7827 4232 7827 4247 7772 4200 7774
      4199 7775
TIME...MOT...LOC 0159Z 276DEG 42KT 4212 7805

$$

RSH

350 
WWUS51 KBUF 180208
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1008 PM EDT TUE JUN 17 2014

NYC003-180230-
/O.CON.KBUF.SV.W.0024.000000T0000Z-140618T0230Z/
ALLEGANY NY-
1008 PM EDT TUE JUN 17 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM EDT
FOR SOUTHEASTERN ALLEGANY COUNTY...

AT 1006 PM EDT...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF
PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED
NEAR WELLSVILLE...MOVING EAST AT 45 MPH.

SOME LOCATIONS IN THE WARNING INCLUDE...
  WHITESVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT
WEDNESDAY MORNING FOR WESTERN NEW YORK.

&&

LAT...LON 4202 7817 4228 7802 4230 7773 4200 7774
      4199 7775
TIME...MOT...LOC 0208Z 279DEG 41KT 4209 7793

$$

RSH

196 
WWUS51 KBUF 180231
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1031 PM EDT TUE JUN 17 2014

NYC003-180241-
/O.EXP.KBUF.SV.W.0024.000000T0000Z-140618T0230Z/
ALLEGANY NY-
1031 PM EDT TUE JUN 17 2014

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ALLEGANY COUNTY
HAS EXPIRED...

AT 1031 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE
THUNDERSTORM WITH THE POSSIBLE TORNADO HAD EXITED THE WARNED AREA...
THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT
WEDNESDAY MORNING FOR WESTERN NEW YORK.

LAT...LON 4202 7817 4228 7802 4230 7773 4200 7774
      4199 7775
TIME...MOT...LOC 0208Z 279DEG 41KT 4209 7793

$$

RSH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 17, 8:11 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Lewis, Oswego	64 min
Jun 17, 8:35 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Lewis, Oswego	55 min
Jun 17, 8:45 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus, Chautauqua, Erie	60 min
Jun 17, 8:46 PM EDT	Special Weather Statement	BUF	Erie, Genesee, Livingston, Ontario, Wayne, Wyoming	59 min
Jun 17, 8:58 PM EDT	Special Weather Statement	BUF	Oswego	62 min
Jun 17, 9:02 PM EDT	Special Marine Warning	BUF		58 min
Jun 17, 9:06 PM EDT	Tornado Warning	BUF	Jefferson, Lewis	39 min
Jun 17, 9:30 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Lewis	60 min
Jun 17, 9:46 PM EDT	Special Weather Statement	BUF	Livingston, Ontario, Wyoming	44 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.