Alert archive / New York / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 6, NWS Buffalo, NY

May 14, 2014Erie County, Niagara County, Orleans County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at May 14, 2014, 4:46 PM EDT for Erie County, Niagara County, Orleans County, New York. It was in force for 59 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: May 14, 2014, 4:46 PM EDT (20:46 UTC)
Expired: May 14, 2014, 5:45 PM EDT
In force: 59 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon

Counties Erie County, NY, Niagara County, NY, Orleans County, NY

The radar

The Buffalo radar (KBUF), 34 km from the middle of the area, began a volume at 20:50 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
May 14, 5:15 PM EDT	HAIL 0.75	2 S Cheektowaga, NY	ON UNION ROAD ONE HALF MILE SOUTH OF WILLIAM STREET

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 8.8 hours before the alert went out and 35 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: 56 J/kg
Mixed-layer CIN: -98 J/kg
Mixed-layer LCL: 786 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: -9 m²/s²
0-3 km storm-relative helicity: 11 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

435 
WUUS51 KBUF 142046
SVRBUF
NYC029-063-073-142145-
/O.NEW.KBUF.SV.W.0006.140514T2046Z-140514T2145Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
446 PM EDT WED MAY 14 2014

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN ERIE COUNTY IN WESTERN NEW YORK
  EASTERN NIAGARA COUNTY IN WESTERN NEW YORK
  WESTERN ORLEANS COUNTY IN WESTERN NEW YORK

THIS ALSO INCLUDES THE NEW YORK THRUWAY BETWEEN EXITS 49 AND 52.

* UNTIL 545 PM EDT

* AT 445 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  HARRIS HILL...OR NEAR WILLIAMSVILLE...AND MOVING NORTH AT 30 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  LOCKPORT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. 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 4334 7871 4337 7863 4338 7854 4338 7834
      4337 7833 4284 7861 4289 7885
TIME...MOT...LOC 2047Z 196DEG 26KT 4299 7870

$$

JJR

1 follow-up statement

832 
WWUS51 KBUF 142119
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
519 PM EDT WED MAY 14 2014

NYC029-063-073-142145-
/O.CON.KBUF.SV.W.0006.000000T0000Z-140514T2145Z/
NIAGARA NY-ORLEANS NY-ERIE NY-
519 PM EDT WED MAY 14 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR NORTHEASTERN ERIE...WESTERN ORLEANS AND EASTERN NIAGARA
COUNTIES...

AT 515 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR GASPORT...OR NEAR LOCKPORT...MOVING NORTH AT 30 MPH.

SOME LOCATIONS IN THE WARNING INCLUDE...
  BARKER...
  THIRTY MILE POINT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. 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 4337 7863 4338 7854 4338 7834 4337 7833
      4284 7861 4295 7874
TIME...MOT...LOC 2119Z 196DEG 26KT 4321 7861

$$

JJR

The office that day

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

Issued	Product	Office	Counties	Lasted
May 13, 8:51 PM EDT	Severe Thunderstorm Warning	BUF	Ontario, Wayne	39 min
May 13, 9:32 PM EDT	Flash Flood Warning	BUF	Cayuga, Livingston, Ontario, Wayne	5 hr
May 13, 9:50 PM EDT	Severe Thunderstorm Warning	BUF	Oswego	40 min
May 14, 1:54 AM EDT	Areal Flood Advisory	BUF	Cattaraugus, Chautauqua, Erie	4 hr
May 14, 3:11 AM EDT	Special Weather Statement	BUF	Allegany, Livingston, Wyoming	64 min
May 14, 10:33 AM EDT	Flash Flood Watch	BUF	Allegany, Cattaraugus, Cayuga, Chautauqua, Erie, Genesee and 7 more	18 hr
May 14, 5:44 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Genesee, Monroe, Niagara, Orleans	61 min
May 14, 6:09 PM EDT	Areal Flood Advisory	BUF	Erie, Genesee, Niagara, Orleans	4 hr
May 14, 6:40 PM EDT	Special Marine Warning	BUF		95 min
May 14, 6:49 PM EDT	Severe Thunderstorm Warning	BUF	Niagara	56 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.