Alert archive / New York / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 6, NWS Buffalo, NY

April 26, 2011Lewis County, Oswego County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Apr 26, 2011, 5:05 PM EDT for Lewis County, Oswego County, New York. It was in force for 40 min. 2 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: Apr 26, 2011, 5:05 PM EDT (21:05 UTC)
Expired: Apr 26, 2011, 5:45 PM EDT
In force: 40 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon

Counties Lewis County, NY, Oswego County, NY

The radar

The Ft Drum radar (KTYX), 49 km from the middle of the area, began a volume at 21:08 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
Apr 26, 5:17 PM EDT	TSTM WND DMG	Whig Hill, NY	POWER POLES WIRES DOWN
Apr 26, 5:55 PM EDT	HAIL 0.88	1 Wsw Port Leyden, 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.

Issued	Product	Office	Lasted
Apr 26, 1:49 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 9.1 hours before the alert went out and 180 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: 497 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 191 m²/s²
0-3 km storm-relative helicity: 191 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.

207 
WUUS51 KBUF 262105
SVRBUF
NYC049-075-262145-
/O.NEW.KBUF.SV.W.0006.110426T2105Z-110426T2145Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
505 PM EDT TUE APR 26 2011

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 545 PM EDT

* AT 504 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 8 MILES
  SOUTH OF CENTRAL SQUARE...OR NEAR CICERO...AND MOVING NORTHEAST AT
  50 MPH.

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

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 4342 7553 4348 7581 4333 7588 4332 7585
      4320 7587 4315 7592 4319 7603 4319 7608
      4323 7612 4324 7617 4320 7622 4380 7566
      4356 7528
TIME...MOT...LOC 2106Z 217DEG 45KT 4319 7609

$$

JJR

2 follow-up statements

799 
WWUS51 KBUF 262126
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
526 PM EDT TUE APR 26 2011

NYC049-075-262145-
/O.CON.KBUF.SV.W.0006.000000T0000Z-110426T2145Z/
LEWIS NY-OSWEGO NY-
526 PM EDT TUE APR 26 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR EASTERN OSWEGO AND SOUTHWESTERN LEWIS COUNTIES...

AT 521 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR AMBOY...OR 9 MILES WEST OF CAMDEN...MOVING NORTHEAST AT
50 MPH.

SOME LOCATIONS IN THE WARNING INCLUDE...
  REDFIELD...
  NORTH OSCEOLA...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT
TUESDAY EVENING FOR WESTERN NEW YORK.

&&

LAT...LON 4342 7553 4348 7581 4333 7588 4332 7585
      4323 7587 4322 7588 4324 7599 4326 7600
      4329 7601 4332 7607 4332 7609 4380 7566
      4356 7528
TIME...MOT...LOC 2126Z 217DEG 45KT 4339 7588

$$

JJR

374 
WWUS51 KBUF 262143
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
543 PM EDT TUE APR 26 2011

NYC049-075-262153-
/O.EXP.KBUF.SV.W.0006.000000T0000Z-110426T2145Z/
LEWIS NY-OSWEGO NY-
543 PM EDT TUE APR 26 2011

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN OSWEGO AND
SOUTHWESTERN LEWIS COUNTIES WILL EXPIRE AT 545 PM EDT...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT
TUESDAY EVENING FOR WESTERN NEW YORK.

LAT...LON 4342 7553 4348 7581 4333 7588 4332 7585
      4323 7587 4322 7588 4324 7599 4326 7600
      4329 7601 4332 7607 4332 7609 4380 7566
      4356 7528
TIME...MOT...LOC 2143Z 217DEG 45KT 4356 7570

$$

APFFEL

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 25, 8:36 PM EDT	Areal Flood Advisory	BUF	Chautauqua, Erie, Genesee	6 hr
Apr 26, 3:07 AM EDT	River Flood Warning	BUF	Erie, Wyoming	3 hr
Apr 26, 3:07 AM EDT	River Flood Warning	BUF	Erie	3 hr
Apr 26, 3:41 AM EDT	Small Craft Advisory	BUF		18 hr
Apr 26, 12:59 PM EDT	Special Weather Statement	BUF	Allegany	31 min
Apr 26, 2:00 PM EDT	Severe Thunderstorm Warning	BUF	Ontario	45 min
Apr 26, 2:26 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Ontario, Oswego, Wayne	49 min
Apr 26, 3:53 PM EDT	Special Weather Statement	BUF	Oswego	52 min
Apr 26, 4:43 PM EDT	Severe Thunderstorm Warning	BUF	Genesee, Monroe, Orleans	47 min
Apr 26, 4:44 PM EDT	Severe Thunderstorm Warning	BUF	Monroe	46 min
Apr 26, 4:50 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Oswego	55 min
Apr 26, 4:53 PM EDT	Special Marine Warning	BUF		58 min
Apr 26, 5:27 PM EDT	Flash Flood Warning	BUF	Allegany	5 hr
Apr 26, 5:40 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Ontario, Wayne	50 min
Apr 26, 5:46 PM EDT	Special Weather Statement	BUF	Lewis	59 min
Apr 26, 5:49 PM EDT	Special Marine Warning	BUF		86 min
Apr 26, 6:14 PM EDT	Special Weather Statement	BUF	Allegany	61 min
Apr 26, 6:19 PM EDT	Areal Flood Advisory	BUF	Ontario, Wayne	2 hr
Apr 26, 6:22 PM EDT	Severe Thunderstorm Warning	BUF	Allegany	38 min
Apr 26, 7:10 PM EDT	Flash Flood Warning	BUF	Ontario, Wayne	3 hr

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.