Alert archive / New York / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 21, NWS Buffalo, NY

May 26, 2011Lewis County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at May 26, 2011, 2:56 PM EDT for Lewis County, New York. It was in force for 64 min. 5 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, 2:56 PM EDT (18:56 UTC)
Expired
May 26, 2011, 4:00 PM EDT
In force
64 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

County Lewis County, NY

The radar

The Ft Drum radar (KTYX), 21 km from the middle of the area, began a volume at 18:56 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

TimeReportWhereRemark
May 26, 3:15 PM EDTTSTM WND DMGLowville, NYTREES AND POWERLINES DOWN
May 26, 3:20 PM EDTTSTM WND DMGNew Bremen, NYTREES AND POWERLINES DOWN
May 26, 3:20 PM EDTHAIL 0.881 S Lowville, NY
May 26, 3:33 PM EDTTSTM WND DMGWatson, NYTREES AND POWERLINES DOWN
May 26, 3:33 PM EDTHAIL 0.881 S Lowville, NY

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.

IssuedProductOfficeLasted
May 26, 2:16 PM EDTTornado WatchSPC8 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 6.9 hours before the alert went out and 188 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-pSkew-T log-p diagram, Albany, NY at 12:00Z on 2011-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 12:00Z on 2011-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 274 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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.

368 
WUUS51 KBUF 261856
SVRBUF
NYC049-262000-
/O.NEW.KBUF.SV.W.0021.110526T1856Z-110526T2000Z/

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

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 400 PM EDT

* AT 253 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 13
  MILES WEST OF LOWVILLE...OR 18 MILES SOUTHEAST OF WATERTOWN...AND
  MOVING NORTHEAST AT 40 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  LOWVILLE...
  CASTORLAND
  CROGHAN
  INDIAN RIVER

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. 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.

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

&&

LAT...LON 4369 7575 4373 7578 4378 7578 4379 7581
      4416 7530 4411 7517 4410 7516 4390 7513
      4385 7514
TIME...MOT...LOC 1855Z 243DEG 33KT 4375 7572

$$

ZAFF
2 follow-up statements
175 
WWUS51 KBUF 261925
SVSBUF

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

NYC049-262000-
/O.CON.KBUF.SV.W.0021.000000T0000Z-110526T2000Z/
LEWIS NY-
325 PM EDT THU MAY 26 2011

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

AT 322 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 CROGHAN...OR 25 MILES SOUTHEAST OF FORT DRUM...MOVING
NORTHEAST AT 40 MPH.

SOME LOCATIONS IN THE WARNING INCLUDE...
  CROGHAN

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4378 7546 4386 7549 4408 7516 4390 7513
      4385 7514
TIME...MOT...LOC 1925Z 243DEG 37KT 4386 7532

$$

ZAFF
598 
WWUS51 KBUF 261951
SVSBUF

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

NYC049-262001-
/O.EXP.KBUF.SV.W.0021.000000T0000Z-110526T2000Z/
LEWIS NY-
351 PM EDT THU MAY 26 2011

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

AT 351 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 4378 7546 4386 7549 4408 7516 4390 7513
      4385 7514
TIME...MOT...LOC 1951Z 243DEG 37KT 4398 7499

$$

RSH

The office that day

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

IssuedProductOfficeCountiesLasted
May 25, 8:28 PM EDTSpecial Weather StatementBUFChautauqua62 min
May 25, 9:01 PM EDTSevere Thunderstorm WarningBUFChautauqua59 min
May 25, 9:03 PM EDTSpecial Marine WarningBUF57 min
May 25, 9:41 PM EDTAreal Flood AdvisoryBUFErie, Genesee, Niagara, Orleans, Wyoming3 hr
May 25, 9:46 PM EDTSpecial Marine WarningBUF44 min
May 25, 10:11 PM EDTAreal Flood AdvisoryBUFCattaraugus, Chautauqua3 hr
May 25, 10:14 PM EDTSpecial Marine WarningBUF31 min
May 26, 7:03 AM EDTSpecial Weather StatementBUFGenesee, Monroe, Niagara, Orleans57 min
May 26, 10:22 AM EDTSevere Thunderstorm WarningBUFJefferson53 min
May 26, 3:20 PM EDTSevere Thunderstorm WarningBUFLewis40 min
May 26, 3:37 PM EDTSmall Craft AdvisoryBUF19 hr
May 26, 5:30 PM EDTSevere Thunderstorm WarningBUFChautauqua60 min
May 26, 5:43 PM EDTTornado WarningBUFChautauqua32 min
May 26, 6:08 PM EDTTornado WarningBUFCattaraugus, Chautauqua38 min
May 26, 7:04 PM EDTSpecial Weather StatementBUFGenesee, Monroe56 min
May 26, 7:05 PM EDTAreal Flood AdvisoryBUFChautauqua3 hr
May 26, 7:24 PM EDTSpecial Marine WarningBUF51 min
May 26, 7:38 PM EDTSpecial Marine WarningBUF54 min
May 26, 7:55 PM EDTSpecial Weather StatementBUFLewis65 min

Nearby

Severe Thunderstorm Warnings in New York, 2011Every 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.