Alert archive / New York / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 22, NWS Buffalo, NY

May 26, 2011Lewis County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at May 26, 2011, 3:20 PM EDT for Lewis County, New York. It was in force for 40 min. 4 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: May 26, 2011, 3:20 PM EDT (19:20 UTC)
Expired: May 26, 2011, 4:00 PM EDT
In force: 40 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon

County Lewis County, NY

The radar

The Ft Drum radar (KTYX), 35 km from the middle of the area, began a volume at 19:22 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 26, 3:20 PM EDT	HAIL 0.88	1 S Lowville, NY
May 26, 3:33 PM EDT	TSTM WND DMG	Watson, NY	TREES AND POWERLINES DOWN
May 26, 3:33 PM EDT	HAIL 0.88	1 S Lowville, NY
May 26, 3:50 PM EDT	HAIL 0.88	Martinsburg, NY	RELAYED BY NWS BTV

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
May 26, 2:16 PM EDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 7.3 hours before the alert went out and 162 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1004 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 274 m²/s²
0-3 km storm-relative helicity: 327 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

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

457 
WUUS51 KBUF 261920
SVRBUF
NYC049-262000-
/O.NEW.KBUF.SV.W.0022.110526T1920Z-110526T2000Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
320 PM EDT THU MAY 26 2011

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL LEWIS COUNTY IN CENTRAL NEW YORK

* UNTIL 400 PM EDT

* AT 316 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
  MARTINSBURG...OR 18 MILES NORTHWEST OF BOONVILLE...AND MOVING EAST
  AT 45 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  MARTINSBURG

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT THURSDAY EVENING
FOR CENTRAL NEW YORK.

&&

LAT...LON 4367 7511 4367 7512 4367 7522 4368 7553
      4375 7557 4387 7514 4384 7513
TIME...MOT...LOC 1920Z 248DEG 41KT 4374 7542

$$

ZAFF

2 follow-up statements

254 
WWUS51 KBUF 261935
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
335 PM EDT THU MAY 26 2011

NYC049-262000-
/O.CON.KBUF.SV.W.0022.000000T0000Z-110526T2000Z/
LEWIS NY-
335 PM EDT THU MAY 26 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR EAST CENTRAL LEWIS COUNTY...

AT 331 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 OVER EAST CENTRAL LEWIS COUNTY...OR 21 MILES NORTH OF
BOONVILLE...MOVING EAST AT 40 MPH.

SOME LOCATIONS IN THE WARNING INCLUDE...
  RURAL LEWIS COUNTY

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT THURSDAY EVENING
FOR CENTRAL NEW YORK.

&&

LAT...LON 4375 7512 4375 7537 4380 7541 4386 7514
      4384 7513
TIME...MOT...LOC 1935Z 252DEG 33KT 4379 7525

$$

ZAFF

968 
WWUS51 KBUF 261950
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
350 PM EDT THU MAY 26 2011

NYC049-262000-
/O.EXP.KBUF.SV.W.0022.000000T0000Z-110526T2000Z/
LEWIS NY-
350 PM EDT THU MAY 26 2011

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL LEWIS COUNTY WILL
EXPIRE AT 400 PM EDT...

AT 350 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 1000 PM EDT THURSDAY EVENING
FOR CENTRAL NEW YORK.

LAT...LON 4375 7512 4375 7537 4380 7541 4386 7514
      4384 7513
TIME...MOT...LOC 1950Z 252DEG 33KT 4383 7507

$$

RSH

The office that day

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

Issued	Product	Office	Counties	Lasted
May 25, 8:28 PM EDT	Special Weather Statement	BUF	Chautauqua	62 min
May 25, 9:01 PM EDT	Severe Thunderstorm Warning	BUF	Chautauqua	59 min
May 25, 9:03 PM EDT	Special Marine Warning	BUF		57 min
May 25, 9:41 PM EDT	Areal Flood Advisory	BUF	Erie, Genesee, Niagara, Orleans, Wyoming	3 hr
May 25, 9:46 PM EDT	Special Marine Warning	BUF		44 min
May 25, 10:11 PM EDT	Areal Flood Advisory	BUF	Cattaraugus, Chautauqua	3 hr
May 25, 10:14 PM EDT	Special Marine Warning	BUF		31 min
May 26, 7:03 AM EDT	Special Weather Statement	BUF	Genesee, Monroe, Niagara, Orleans	57 min
May 26, 10:22 AM EDT	Severe Thunderstorm Warning	BUF	Jefferson	53 min
May 26, 2:56 PM EDT	Severe Thunderstorm Warning	BUF	Lewis	64 min
May 26, 3:37 PM EDT	Small Craft Advisory	BUF		19 hr
May 26, 5:30 PM EDT	Severe Thunderstorm Warning	BUF	Chautauqua	60 min
May 26, 5:43 PM EDT	Tornado Warning	BUF	Chautauqua	32 min
May 26, 6:08 PM EDT	Tornado Warning	BUF	Cattaraugus, Chautauqua	38 min
May 26, 7:04 PM EDT	Special Weather Statement	BUF	Genesee, Monroe	56 min
May 26, 7:05 PM EDT	Areal Flood Advisory	BUF	Chautauqua	3 hr
May 26, 7:24 PM EDT	Special Marine Warning	BUF		51 min
May 26, 7:38 PM EDT	Special Marine Warning	BUF		54 min
May 26, 7:55 PM EDT	Special Weather Statement	BUF	Lewis	65 min

Nearby

Severe Thunderstorm Warnings in New York, 2011 Every severe thunderstorm warning in 2011

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.