Alert archive / New York / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 63, NWS Buffalo, NY

August 5, 2012Cayuga County, Oswego County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Aug 5, 2012, 3:11 PM EDT for Cayuga County, Oswego County, New York. It was in force for 64 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: Aug 5, 2012, 3:11 PM EDT (19:11 UTC)
Expired: Aug 5, 2012, 4:15 PM EDT
In force: 64 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon

Counties Cayuga County, NY, Oswego County, NY

The radar

The Ft Drum radar (KTYX), 62 km from the middle of the area, began a volume at 19:12 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
Aug 5, 3:29 PM EDT	TSTM WND DMG	5 N Phoenix, NY	TREES AND WIRES DOWN
Aug 5, 3:36 PM EDT	MARINE TSTM WIND 43	Oswego, NY
Aug 5, 3:44 PM EDT	TSTM WND DMG	Minetto, NY	TREES AND WIRES DOWN
Aug 5, 4:00 PM EDT	TSTM WND DMG	Mexico, NY	TREES AND WIRES DOWN

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
Aug 5, 12:42 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 7.2 hours before the alert went out and 205 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.

808 
WUUS51 KBUF 051911
SVRBUF
NYC011-075-052015-
/O.NEW.KBUF.SV.W.0063.120805T1911Z-120805T2015Z/

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

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 415 PM EDT

* AT 308 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 17 MILES WEST OF OSWEGO TO 13 MILES WEST OF WEEDSPORT...AND   
  MOVING EAST AT 50 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  WEEDSPORT...
  OSWEGO...
  NINE MILE POINT...
  PHOENIX...
  SELKIRK BEACH...
  PULASKI...
  REDFIELD...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4347 7582 4333 7588 4329 7585 4315 7589
      4319 7608 4326 7620 4320 7621 4320 7629
      4323 7630 4322 7647 4305 7649 4303 7670
      4334 7673 4343 7663 4353 7642 4354 7624
      4368 7620 4369 7578 4347 7576
TIME...MOT...LOC 1911Z 254DEG 43KT 4349 7680 4302 7676

$$

ZAFF

2 follow-up statements

035 
WWUS51 KBUF 051932
SVSBUF

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

NYC011-075-052015-
/O.CON.KBUF.SV.W.0063.000000T0000Z-120805T2015Z/
OSWEGO NY-CAYUGA NY-
332 PM EDT SUN AUG 5 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR NORTHWESTERN CAYUGA AND OSWEGO COUNTIES...

AT 329 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZE HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THESE STORMS 
WERE LOCATED ALONG A LINE EXTENDING FROM HANNIBAL TO CONQUEST...
MOVING EAST AT 50 MPH.

SOME LOCATIONS IN THE WARNING INCLUDE...
  SCRIBA...
  NINE MILE POINT...
  MEXICO...
  SAND RIDGE...
  PULASKI...
  ALTMAR...
  CONSTANTIA...
  WILLIAMSTOWN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THESE ARE DANGEROUS STORMS. 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.

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

&&

LAT...LON 4347 7582 4333 7588 4329 7585 4315 7589
      4319 7608 4326 7620 4320 7621 4320 7629
      4323 7630 4322 7647 4305 7649 4303 7670
      4334 7673 4343 7663 4353 7642 4354 7624
      4368 7620 4369 7578 4347 7576
TIME...MOT...LOC 1932Z 254DEG 43KT 4340 7655 4315 7663

$$

TJP

123 
WWUS51 KBUF 051958
SVSBUF

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

NYC011-052008-
/O.CAN.KBUF.SV.W.0063.000000T0000Z-120805T2015Z/
CAYUGA NY-
358 PM EDT SUN AUG 5 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN CAYUGA COUNTY IS
CANCELLED...

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

LAT...LON 4347 7576 4347 7582 4333 7588 4329 7585
      4315 7589 4319 7608 4326 7620 4320 7621
      4320 7629 4323 7630 4322 7647 4353 7642
      4354 7624 4368 7620 4367 7602 4368 7603
      4369 7578
TIME...MOT...LOC 1958Z 254DEG 39KT 4369 7603 4326 7626

$$

NYC075-052015-
/O.CON.KBUF.SV.W.0063.000000T0000Z-120805T2015Z/
OSWEGO NY-
358 PM EDT SUN AUG 5 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR OSWEGO COUNTY...

AT 354 PM EDT...A LINE OF SEVERE THUNDERSTORMS WAS REPORTED CAPABLE
OF PRODUCING QUARTER SIZE HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF
70 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM SANDY
CREEK TO PHOENIX...OR ALONG A LINE EXTENDING FROM 22 MILES SOUTHWEST
OF WATERTOWN TO 6 MILES NORTH OF BALDWINSVILLE...MOVING EAST AT 45
MPH.

SOME LOCATIONS IN THE WARNING INCLUDE...
  PARISH...
  LOWER SOUTH BAY...
  AMBOY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THESE STORMS HAVE A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
DAMAGING HAIL. 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 7576 4347 7582 4333 7588 4329 7585
      4315 7589 4319 7608 4326 7620 4320 7621
      4320 7629 4323 7630 4322 7647 4353 7642
      4354 7624 4368 7620 4367 7602 4368 7603
      4369 7578
TIME...MOT...LOC 1958Z 254DEG 39KT 4369 7603 4326 7626

$$

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, 3:42 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, 4:13 PM EDT	Severe Thunderstorm Warning	BUF	Oswego	32 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.