Alert archive / New York / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 82, NWS Buffalo, NY

September 8, 2012Cayuga County, Jefferson County, Oswego County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Sep 8, 2012, 12:09 PM EDT for Cayuga County, Jefferson County, Oswego County, New York. It was in force for 66 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: Sep 8, 2012, 12:09 PM EDT (16:09 UTC)
Expired: Sep 8, 2012, 1:15 PM EDT
In force: 66 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon

Counties Cayuga County, NY, Jefferson County, NY, Oswego County, NY

The radar

The Ft Drum radar (KTYX), 48 km from the middle of the area, began a volume at 16:08 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
Sep 8, 12:22 PM EDT	TSTM WND DMG	Fair Haven, NY	TREES AND WIRES DOWN.
Sep 8, 12:27 PM EDT	TSTM WND DMG	Cato, NY	TREES AND WIRES DOWN.
Sep 8, 12:27 PM EDT	TSTM WND DMG	Victory, NY	TREES AND WIRES DOWN.
Sep 8, 12:32 PM EDT	TSTM WND DMG	Ira, NY	TREES AND WIRES DOWN.
Sep 8, 12:40 PM EDT	TSTM WND DMG	1 Ene Granby Center, NY	TREE TOOK 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
Sep 8, 10:03 AM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 4.2 hours before the alert went out and 225 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: 113 J/kg
Mixed-layer CIN: -168 J/kg
Mixed-layer LCL: 869 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 294 m²/s²
0-3 km storm-relative helicity: 397 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

Open this sounding in Storm Lab

The text

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

627 
WUUS51 KBUF 081609
SVRBUF
NYC011-045-075-081715-
/O.NEW.KBUF.SV.W.0082.120908T1609Z-120908T1715Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1209 PM EDT SAT SEP 8 2012

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 115 PM EDT

* AT 1204 PM EDT...THE PUBLIC REPORTED A LINE OF SEVERE THUNDERSTORMS
  CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE
  STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 32 MILES NORTHWEST
  OF STONY POINT TO 28 MILES SOUTHWEST OF WEEDSPORT AND MOVING EAST 
  AT 40 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  WEEDSPORT...
  OSWEGO...
  NINE MILE POINT...
  STONY POINT...
  SOUTHWICK BEACH...
  CLAYTON...
  ADAMS CENTER...
  ADAMS CENTER...
  WATERTOWN...
  REDFIELD...

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.

THESE STORMS HAVE A HISTORY OF PRODUCING WIDESPREAD WIND DAMAGE
ACROSS WESTERN NEW YORK AND NORTH CENTRAL NEW YORK. THIS IS AN EXTREMELY 
DANGEROUS SITUATION. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY
FROM WINDOWS!

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 300 PM EDT
SATURDAY AFTERNOON FOR WESTERN NEW YORK.

&&

LAT...LON 4316 7588 4326 7620 4320 7622 4323 7644
      4303 7649 4302 7669 4335 7671 4358 7621
      4380 7624 4390 7636 4388 7645 4390 7645
      4390 7620 4387 7621 4392 7614 4396 7630
      4411 7638 4424 7612 4430 7614 4440 7584
TIME...MOT...LOC 1608Z 271DEG 37KT 4413 7675 4271 7683

$$

THOMAS

2 follow-up statements

438 
WWUS51 KBUF 081652
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1252 PM EDT SAT SEP 8 2012

NYC011-081700-
/O.CAN.KBUF.SV.W.0082.000000T0000Z-120908T1715Z/
CAYUGA NY-
1252 PM EDT SAT SEP 8 2012

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

THE PUBLIC REPORTED WIDESPREAD TREES AND POWER LINES DOWN.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 300 PM EDT
SATURDAY AFTERNOON FOR WESTERN NEW YORK.

LAT...LON 4316 7588 4326 7620 4320 7622 4323 7642
      4347 7645 4358 7621 4380 7624 4390 7636
      4388 7645 4390 7645 4390 7620 4387 7621
      4392 7614 4396 7630 4411 7638 4424 7612
      4430 7614 4440 7584
TIME...MOT...LOC 1650Z 271DEG 37KT 4412 7615 4270 7624

$$

NYC045-075-081715-
/O.CON.KBUF.SV.W.0082.000000T0000Z-120908T1715Z/
JEFFERSON NY-OSWEGO NY-
1252 PM EDT SAT SEP 8 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 PM EDT
FOR OSWEGO AND WESTERN JEFFERSON COUNTIES...

AT 1246 PM EDT...THE PUBLIC REPORTED A LINE OF SEVERE THUNDERSTORMS
CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE
STORMS WERE LOCATED ALONG A LINE EXTENDING FROM CHAUMONT TO 37 MILES
SOUTH OF PHOENIX...OR ALONG A LINE EXTENDING FROM 18 MILES NORTHWEST
OF WATERTOWN TO 6 MILES EAST OF MORAVIA...MOVING EAST AT 45 MPH.

SOME LOCATIONS IN THE WARNING INCLUDE...
  DEPAUVILLE...
  LA FARGEVILLE...
  ALEXANDRIA BAY...
  WORTH...
  CLEVELAND...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THESE ARE DANGEROUS STORMS. IF YOU ARE IN THE PATH...PREPARE 
IMMEDIATELY FOR DAMAGING WINDS. PEOPLE OUTSIDE SHOULD MOVE TO A 
SHELTER...PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

THESE STORMS HAVE A HISTORY OF PRODUCING WIDESPREAD WIND DAMAGE 
ACROSS THE ENTIRE AREA. THIS IS AN EXTREMELY DANGEROUS SITUATION. 
SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM 
WINDOWS!

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 300 PM EDT
SATURDAY AFTERNOON FOR WESTERN NEW YORK.

&&

LAT...LON 4316 7588 4326 7620 4320 7622 4323 7642
      4347 7645 4358 7621 4380 7624 4390 7636
      4388 7645 4390 7645 4390 7620 4387 7621
      4392 7614 4396 7630 4411 7638 4424 7612
      4430 7614 4440 7584
TIME...MOT...LOC 1650Z 271DEG 37KT 4412 7615 4270 7624

$$

JAM

333 
WWUS51 KBUF 081715
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
115 PM EDT SAT SEP 8 2012

NYC045-075-081724-
/O.EXP.KBUF.SV.W.0082.000000T0000Z-120908T1715Z/
JEFFERSON NY-OSWEGO NY-
115 PM EDT SAT SEP 8 2012

...THE SEVERE THUNDERSTORM WARNING FOR OSWEGO AND WESTERN JEFFERSON
COUNTIES WILL EXPIRE AT 115 PM EDT...

AT 114 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 SEPARATE WARNING CONTINUES FOR PORTIONS OF JEFFERSON AND OSWEGO 
COUNTY. 

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 300 PM EDT
SATURDAY AFTERNOON FOR WESTERN NEW YORK.

LAT...LON 4316 7588 4326 7620 4320 7622 4323 7642
      4347 7645 4358 7621 4380 7624 4390 7636
      4388 7645 4390 7645 4390 7620 4387 7621
      4392 7614 4396 7630 4411 7638 4424 7612
      4430 7614 4440 7584
TIME...MOT...LOC 1714Z 271DEG 37KT 4424 7603 4324 7599

$$

THOMAS

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 8, 8:45 AM EDT	Special Weather Statement	BUF	Cattaraugus, Chautauqua, Erie, Niagara, Orleans	90 min
Sep 8, 8:59 AM EDT	Special Marine Warning	BUF		64 min
Sep 8, 9:10 AM EDT	Special Marine Warning	BUF		95 min
Sep 8, 9:12 AM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus, Chautauqua, Erie, Niagara	63 min
Sep 8, 9:51 AM EDT	Severe Thunderstorm Warning	BUF	Genesee, Monroe, Orleans, Wyoming	54 min
Sep 8, 10:05 AM EDT	Severe Thunderstorm Warning	BUF	Allegany, Cattaraugus, Erie, Livingston, Wyoming	55 min
Sep 8, 10:33 AM EDT	Severe Thunderstorm Warning	BUF	Genesee, Livingston, Monroe, Ontario, Orleans, Wayne and 1 more	57 min
Sep 8, 10:40 AM EDT	Special Marine Warning	BUF		65 min
Sep 8, 10:55 AM EDT	Severe Thunderstorm Warning	BUF	Allegany, Livingston, Ontario, Wyoming	80 min
Sep 8, 11:20 AM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Livingston, Monroe, Ontario, Oswego, Wayne	70 min
Sep 8, 11:49 AM EDT	Special Marine Warning	BUF		86 min
Sep 8, 12:47 PM EDT	Special Marine Warning	BUF		118 min
Sep 8, 1:05 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Lewis, Oswego	55 min
Sep 8, 1:47 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Lewis	58 min
Sep 8, 4:10 PM EDT	Special Weather Statement	BUF	Erie	50 min
Sep 8, 5:15 PM EDT	Special Marine Warning	BUF		50 min
Sep 8, 5:31 PM EDT	Special Marine Warning	BUF		44 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.