Alert archive / New York / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 67, NWS Buffalo, NY

August 5, 2012Oswego County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Aug 5, 2012, 4:13 PM EDT for Oswego County, New York. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 5, 2012, 4:13 PM EDT (20:13 UTC)
Expired: Aug 5, 2012, 4:45 PM EDT
In force: 32 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon

County Oswego County, NY

The radar

The Ft Drum radar (KTYX), 52 km from the middle of the area, began a volume at 20:13 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Aug 5, 12:42 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 8.2 hours before the alert went out and 189 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: 520 J/kg
Mixed-layer CIN: -57 J/kg
Mixed-layer LCL: 694 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 119 m²/s²
0-3 km storm-relative helicity: 154 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.4

Open this sounding in Storm Lab

The text

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

229 
WUUS51 KBUF 052013
SVRBUF
NYC075-052045-
/O.NEW.KBUF.SV.W.0067.120805T2013Z-120805T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
413 PM EDT SUN AUG 5 2012

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN OSWEGO COUNTY IN CENTRAL NEW YORK

* UNTIL 445 PM EDT

* AT 408 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
  FROM 12 MILES NORTH OF REDFIELD TO 5 MILES NORTHEAST OF CENTRAL    
  SQUARE...AND MOVING EAST AT 40 MPH.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THESE STORMS HAVE A HISTORY OF PRODUCING DESTRUCTIVE WINDS. SEEK 
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT SUNDAY
EVENING FOR WESTERN NEW YORK.

&&

LAT...LON 4347 7582 4334 7588 4332 7585 4316 7588
      4315 7590 4319 7608 4324 7612 4326 7620
      4322 7619 4320 7623 4323 7625 4369 7595
      4369 7578 4347 7576
TIME...MOT...LOC 2013Z 260DEG 34KT 4371 7586 4336 7604

$$

ZAFF

2 follow-up statements

159 
WWUS51 KBUF 052035
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
435 PM EDT SUN AUG 5 2012

NYC075-052045-
/O.CON.KBUF.SV.W.0067.000000T0000Z-120805T2045Z/
OSWEGO NY-
435 PM EDT SUN AUG 5 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR EASTERN OSWEGO COUNTY...

AT 431 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS
WERE LOCATED ALONG A LINE EXTENDING FROM PARISH TO CENTRAL SQUARE...
MOVING SOUTHWEST AT 45 MPH.

SOME LOCATIONS IN THE WARNING INCLUDE...
  SAND RIDGE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FREQUENT CLOUD TO 
GROUND LIGHTNING IS OCCURRING WITH THESE STORMS. 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 700 PM EDT SUNDAY
EVENING FOR WESTERN NEW YORK.

&&

LAT...LON 4347 7582 4334 7588 4332 7585 4316 7588
      4315 7590 4319 7608 4324 7612 4326 7620
      4322 7619 4320 7623 4323 7625 4369 7595
      4369 7578 4347 7576
TIME...MOT...LOC 2035Z 054DEG 55KT 4336 7613 4323 7621

$$

TJP

675 
WWUS51 KBUF 052041
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
441 PM EDT SUN AUG 5 2012

NYC075-052051-
/O.EXP.KBUF.SV.W.0067.000000T0000Z-120805T2045Z/
OSWEGO NY-
441 PM EDT SUN AUG 5 2012

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN OSWEGO COUNTY WILL
EXPIRE AT 445 PM EDT...

RADAR INDICATED THAT HEAVY RAIN AND GUSTY WINDS WERE STILL POSSIBLE 
FROM THE THUNDERSTORM.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT SUNDAY
EVENING FOR WESTERN NEW YORK.

LAT...LON 4347 7582 4334 7588 4332 7585 4316 7588
      4315 7590 4319 7608 4324 7612 4326 7620
      4322 7619 4320 7623 4323 7625 4369 7595
      4369 7578 4347 7576
TIME...MOT...LOC 2041Z 054DEG 55KT 4330 7623 4317 7631

$$

ZAFF

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 5, 11:53 AM EDT	Special Marine Warning	BUF		2 hr
Aug 5, 12:55 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus, Chautauqua, Erie	50 min
Aug 5, 1:24 PM EDT	Severe Thunderstorm Warning	BUF	Erie	51 min
Aug 5, 1:36 PM EDT	Severe Thunderstorm Warning	BUF	Erie	39 min
Aug 5, 1:56 PM EDT	Severe Thunderstorm Warning	BUF	Monroe	49 min
Aug 5, 2:12 PM EDT	Severe Thunderstorm Warning	BUF	Genesee	28 min
Aug 5, 2:27 PM EDT	Severe Thunderstorm Warning	BUF	Genesee, Livingston, Wyoming	33 min
Aug 5, 2:34 PM EDT	Special Marine Warning	BUF		56 min
Aug 5, 2:40 PM EDT	Severe Thunderstorm Warning	BUF	Wayne	50 min
Aug 5, 2:44 PM EDT	Severe Thunderstorm Warning	BUF	Monroe	21 min
Aug 5, 2:54 PM EDT	Special Marine Warning	BUF		96 min
Aug 5, 2:57 PM EDT	Severe Thunderstorm Warning	BUF	Monroe, Ontario	33 min
Aug 5, 3:11 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Oswego	64 min
Aug 5, 3:42 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Lewis, Oswego	63 min
Aug 5, 3:49 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson	26 min
Aug 5, 3:57 PM EDT	Flash Flood Warning	BUF	Jefferson	111 min
Aug 5, 4:11 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Lewis	49 min
Aug 5, 4:32 PM EDT	Areal Flood Advisory	BUF	Jefferson	77 min
Aug 5, 7:04 PM EDT	Special Weather Statement	BUF	Monroe	56 min

Nearby

Severe Thunderstorm Warnings in New York, 2012 Every severe thunderstorm warning in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.