Alert archive / New York / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 28, NWS Buffalo, NY

May 29, 2012Oswego County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at May 29, 2012, 2:18 PM EDT for Oswego County, New York. It was in force for 43 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: May 29, 2012, 2:18 PM EDT (18:18 UTC)
Expired: May 29, 2012, 3:01 PM EDT
In force: 43 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon

County Oswego County, NY

The radar

The Ft Drum radar (KTYX), 57 km from the middle of the area, began a volume at 18:22 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 29, 2:22 PM EDT	TSTM WND DMG	S South Granby, NY	TREES DOWN
May 29, 2:32 PM EDT	TSTM WND DMG	Hastings, NY	TREES 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
May 29, 10:27 AM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 6.3 hours before the alert went out and 194 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: 1908 J/kg
Mixed-layer CIN: -96 J/kg
Mixed-layer LCL: 1026 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 123 m²/s²
0-3 km storm-relative helicity: 141 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

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

481 
WUUS51 KBUF 291818
SVRBUF
NYC075-291915-
/O.NEW.KBUF.SV.W.0028.120529T1818Z-120529T1915Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
218 PM EDT TUE MAY 29 2012

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 315 PM EDT

* AT 212 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED 5 MILES SOUTHWEST OF PHOENIX...
  OR NEAR BALDWINSVILLE...AND MOVING NORTHEAST AT 55 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  CENTRAL SQUARE...
  SAND RIDGE...
  ONEIDA LAKE...
  CONSTANT...
  AMBOY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4347 7581 4333 7588 4332 7585 4319 7588
      4317 7598 4319 7608 4326 7620 4320 7622
      4320 7629 4322 7631 4322 7648 4326 7648
      4349 7613 4341 7609 4355 7576 4347 7575
TIME...MOT...LOC 1817Z 238DEG 47KT 4323 7630

$$

ZAFF

2 follow-up statements

758 
WWUS51 KBUF 291844
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
244 PM EDT TUE MAY 29 2012

NYC075-291915-
/O.CON.KBUF.SV.W.0028.000000T0000Z-120529T1915Z/
OSWEGO NY-
244 PM EDT TUE MAY 29 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR CENTRAL OSWEGO COUNTY...

AT 240 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR PARISH...MOVING 
NORTHEAST AT 45 MPH.

SOME LOCATIONS IN THE WARNING INCLUDE...
  PARISH...
  WILLIAMSTOWN...
  REDFIELD...
  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4347 7581 4333 7588 4332 7585 4326 7620
      4336 7631 4349 7613 4341 7609 4355 7576
      4347 7575
TIME...MOT...LOC 1843Z 232DEG 39KT 4340 7604

$$

ZAFF

009 
WWUS51 KBUF 291901
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
301 PM EDT TUE MAY 29 2012

NYC075-291911-
/O.CAN.KBUF.SV.W.0028.000000T0000Z-120529T1915Z/
OSWEGO NY-
301 PM EDT TUE MAY 29 2012

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL OSWEGO COUNTY IS
CANCELLED...

AT 301 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE
THUNDERSTORM THAT PROMPTED THE WARNING HAD WEAKENED AND WAS NO LONGER
SEVERE...THUS THE WARNING HAS BEEN CANCELLED.

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

LAT...LON 4347 7581 4333 7588 4332 7585 4326 7620
      4336 7631 4349 7613 4341 7609 4355 7576
      4347 7575
TIME...MOT...LOC 1901Z 232DEG 39KT 4352 7583

$$

ZAFF

The office that day

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

Issued	Product	Office	Counties	Lasted
May 29, 3:51 AM EDT	Special Weather Statement	BUF	Lewis	54 min
May 29, 4:24 AM EDT	Special Weather Statement	BUF	Wyoming	66 min
May 29, 4:33 AM EDT	Special Marine Warning	BUF		27 min
May 29, 4:41 AM EDT	Special Weather Statement	BUF	Jefferson	34 min
May 29, 5:09 AM EDT	Special Weather Statement	BUF	Wyoming	36 min
May 29, 5:17 AM EDT	Special Weather Statement	BUF	Lewis	28 min
May 29, 6:34 AM EDT	Severe Thunderstorm Warning	BUF	Lewis	22 min
May 29, 11:01 AM EDT	Special Weather Statement	BUF	Chautauqua	44 min
May 29, 11:24 AM EDT	Severe Thunderstorm Warning	BUF	Chautauqua	66 min
May 29, 11:39 AM EDT	Severe Thunderstorm Warning	BUF	Erie, Wyoming	51 min
May 29, 12:11 PM EDT	Severe Thunderstorm Warning	BUF	Oswego	64 min
May 29, 12:13 PM EDT	Severe Thunderstorm Warning	BUF	Livingston, Ontario	62 min
May 29, 12:20 PM EDT	Severe Thunderstorm Warning	BUF	Genesee, Livingston, Wyoming	41 min
May 29, 12:41 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Oswego, Wayne	44 min
May 29, 12:47 PM EDT	Severe Thunderstorm Warning	BUF	Ontario	58 min
May 29, 12:49 PM EDT	Severe Thunderstorm Warning	BUF	Livingston, Monroe, Ontario	41 min
May 29, 12:54 PM EDT	Special Marine Warning	BUF		36 min
May 29, 1:17 PM EDT	Severe Thunderstorm Warning	BUF	Wayne	58 min
May 29, 1:20 PM EDT	Severe Thunderstorm Warning	BUF	Lewis, Oswego	55 min
May 29, 1:24 PM EDT	Areal Flood Advisory	BUF	Oswego	3 hr
May 29, 1:27 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Cattaraugus, Livingston	63 min
May 29, 1:47 PM EDT	Severe Thunderstorm Warning	BUF	Lewis, Oswego	38 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.