Alert archive / New York / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 56, NWS Buffalo, NY

July 8, 2014Jefferson County, Oswego County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jul 8, 2014, 6:03 PM EDT for Jefferson County, Oswego County, New York. It was in force for 57 min. 3 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: Jul 8, 2014, 6:03 PM EDT (22:03 UTC)
Expired: Jul 8, 2014, 7:00 PM EDT
In force: 57 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon

Counties Jefferson County, NY, Oswego County, NY

The radar

The Ft Drum radar (KTYX), 43 km from the middle of the area, began a volume at 22:02 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
Jul 8, 6:25 PM EDT	TSTM WND DMG	Mannsville, NY	TREES AND POWERLINES DOWN
Jul 8, 6:31 PM EDT	TSTM WND DMG	Adams, NY	TREES AND POWERLINES DOWN
Jul 8, 6:43 PM EDT	TSTM WND DMG	Watertown, NY	TREES AND POWERLINES 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
Jul 8, 1:04 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 10.1 hours before the alert went out and 234 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: 315 J/kg
Mixed-layer CIN: -74 J/kg
Mixed-layer LCL: 951 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 43 m²/s²
0-3 km storm-relative helicity: 122 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

151 
WUUS51 KBUF 082203
SVRBUF
NYC045-075-082300-
/O.NEW.KBUF.SV.W.0056.140708T2203Z-140708T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
603 PM EDT TUE JUL 8 2014

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN JEFFERSON COUNTY IN CENTRAL NEW YORK
  EXTREME NORTH CENTRAL OSWEGO COUNTY IN CENTRAL NEW YORK

THIS ALSO INCLUDES INTERSTATE 81 BETWEEN EXITS 38 AND 52.

* UNTIL 700 PM EDT

* AT 601 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 19 MILES WEST OF SOUTHWICK BEACH TO 25 MILES SOUTHWEST OF
  SOUTHWICK BEACH...OR ALONG A LINE EXTENDING FROM 23 MILES NORTH OF
  OSWEGO TO OSWEGO...AND MOVING NORTHEAST AT 60 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  MANNSVILLE...
  SOUTHWICK BEACH...
  HENDERSON HARBOR...
  WATERTOWN...
  ADAMS CENTER...
  CLAYTON...
  CALCIUM...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4388 7581 4380 7585 4378 7580 4370 7579
      4365 7621 4380 7624 4386 7631 4389 7622
      4387 7621 4392 7614 4398 7622 4396 7629
      4405 7631 4411 7638 4420 7629 4419 7624
      4424 7612 4426 7617 4430 7615 4440 7585
TIME...MOT...LOC 2202Z 232DEG 51KT 4379 7660 4346 7647

$$

HITCHCOCK

2 follow-up statements

425 
WWUS51 KBUF 082231
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
631 PM EDT TUE JUL 8 2014

NYC045-075-082300-
/O.CON.KBUF.SV.W.0056.000000T0000Z-140708T2300Z/
OSWEGO NY-JEFFERSON NY-
631 PM EDT TUE JUL 8 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM EDT
FOR WESTERN JEFFERSON AND NORTH CENTRAL OSWEGO COUNTIES...

THIS ALSO INCLUDES INTERSTATE 81 BETWEEN EXITS 38 AND 52.

AT 629 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE 
EXTENDING FROM HENDERSON HARBOR TO LORRAINE...MOVING NORTHEAST AT 60 
MPH.

SOME LOCATIONS IN THE WARNING INCLUDE...
  WATERTOWN...
  MANNSVILLE...
  ADAMS...
  CHAUMONT...
  PERCH RIVER...
  CLAYTON...
  LA FARGEVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4389 7581 4388 7584 4380 7585 4377 7579
      4370 7579 4365 7621 4380 7624 4386 7630
      4389 7623 4387 7621 4392 7614 4398 7622
      4396 7629 4411 7637 4420 7629 4419 7624
      4424 7612 4426 7617 4430 7614 4440 7585
TIME...MOT...LOC 2231Z 232DEG 51KT 4390 7621 4372 7592

$$

HITCHCOCK

466 
WWUS51 KBUF 082259
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
659 PM EDT TUE JUL 8 2014

NYC045-075-082309-
/O.EXP.KBUF.SV.W.0056.000000T0000Z-140708T2300Z/
OSWEGO NY-JEFFERSON NY-
659 PM EDT TUE JUL 8 2014

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN JEFFERSON AND NORTH
CENTRAL OSWEGO COUNTIES WILL EXPIRE AT 700 PM EDT...

RADAR INDICATED THAT HEAVY RAIN...AND GUSTY WINDS WERE STILL 
POSSIBLE FROM THE THUNDERSTORMS OVER THE NORTHERN HALF OF THE COUNTY.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT
TUESDAY EVENING FOR CENTRAL NEW YORK.

LAT...LON 4389 7581 4388 7584 4380 7585 4377 7579
      4370 7579 4365 7621 4380 7624 4386 7630
      4389 7623 4387 7621 4392 7614 4398 7622
      4396 7629 4411 7637 4420 7629 4419 7624
      4424 7612 4426 7617 4430 7614 4440 7585
TIME...MOT...LOC 2259Z 232DEG 51KT 4414 7577 4396 7548

$$

RSH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 7, 8:12 PM EDT	Special Marine Warning	BUF		63 min
Jul 7, 9:02 PM EDT	Special Marine Warning	BUF		58 min
Jul 7, 10:20 PM EDT	Special Marine Warning	BUF		25 min
Jul 7, 10:25 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Genesee, Orleans, Wyoming	65 min
Jul 8, 2:03 AM EDT	Small Craft Advisory	BUF		33 hr
Jul 8, 1:01 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus, Chautauqua	59 min
Jul 8, 1:56 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Wyoming	49 min
Jul 8, 2:43 PM EDT	Special Marine Warning	BUF		92 min
Jul 8, 2:45 PM EDT	Severe Thunderstorm Warning	BUF	Chautauqua	60 min
Jul 8, 3:06 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus, Chautauqua, Erie	54 min
Jul 8, 3:08 PM EDT	Special Marine Warning	BUF		82 min
Jul 8, 3:28 PM EDT	Special Marine Warning	BUF		92 min
Jul 8, 3:35 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Niagara	55 min
Jul 8, 3:46 PM EDT	Special Weather Statement	BUF	Lewis	44 min
Jul 8, 4:00 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus, Erie	45 min
Jul 8, 4:10 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Genesee, Niagara, Orleans, Wyoming	44 min
Jul 8, 4:21 PM EDT	Special Marine Warning	BUF		84 min
Jul 8, 4:31 PM EDT	Severe Thunderstorm Warning	BUF	Genesee, Livingston, Monroe, Ontario, Orleans, Wyoming	57 min
Jul 8, 4:43 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Cattaraugus	62 min
Jul 8, 4:51 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Ontario, Oswego, Wayne	54 min
Jul 8, 4:57 PM EDT	Special Marine Warning	BUF		63 min
Jul 8, 4:58 PM EDT	Areal Flood Advisory	BUF	Genesee, Livingston, Monroe, Ontario, Orleans, Wyoming	3 hr
Jul 8, 5:02 PM EDT	Severe Thunderstorm Warning	BUF	Monroe, Ontario, Wayne	58 min
Jul 8, 5:16 PM EDT	Special Marine Warning	BUF		89 min
Jul 8, 5:41 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Oswego, Wayne	79 min
Jul 8, 5:56 PM EDT	Special Marine Warning	BUF		64 min
Jul 8, 6:12 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Lewis	78 min
Jul 8, 6:54 PM EDT	Areal Flood Advisory	BUF	Jefferson, Lewis	3 hr
Jul 8, 7:30 PM EDT	Special Marine Warning	BUF		60 min

Nearby

Severe Thunderstorm Warnings in New York, 2014 Every severe thunderstorm warning in 2014

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.