Alert archive / New York / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 22, NWS Buffalo, NY

June 17, 2014Jefferson County, Lewis County, Oswego County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 17, 2014, 8:35 PM EDT for Jefferson County, Lewis County, Oswego County, New York. It was in force for 55 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
Jun 17, 2014, 8:35 PM EDT (00:35 UTC)
Expired
Jun 17, 2014, 9:30 PM EDT
In force
55 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

Counties Jefferson County, NY, Lewis County, NY, Oswego County, NY

The radar

The Ft Drum radar (KTYX), 61 km from the middle of the area, began a volume at 00:34 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.

IssuedProductOfficeLasted
Jun 17, 6:51 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 0.6 hours before the alert went out and 215 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-pSkew-T log-p diagram, Buffalo Intl Airport, NY at 00:00Z on 2014-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 518 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 00:00Z on 2014-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 194 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
518 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
1708 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
194 m²/s²
0-3 km storm-relative helicity
369 m²/s²
Significant tornado parameter
0.2
Supercell composite
5.0

Open this sounding in Storm Lab

The text

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

482 
WUUS51 KBUF 180035
SVRBUF
NYC045-049-075-180130-
/O.NEW.KBUF.SV.W.0022.140618T0035Z-140618T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
835 PM EDT TUE JUN 17 2014

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  JEFFERSON COUNTY IN CENTRAL NEW YORK
  NORTHERN LEWIS COUNTY IN CENTRAL NEW YORK
  NORTHEASTERN OSWEGO COUNTY IN CENTRAL NEW YORK

THIS ALSO INCLUDES INTERSTATE 81 BETWEEN EXITS 37 AND 49.

* UNTIL 930 PM EDT

* AT 829 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 16 MILES WEST OF CLAYTON TO 11 MILES NORTHWEST OF STONY POINT
  TO 20 MILES SOUTHWEST OF STONY POINT...OR ALONG A LINE EXTENDING
  FROM 28 MILES NORTHWEST OF WATERTOWN TO 29 MILES WEST OF WATERTOWN
  TO 17 MILES NORTHWEST OF OSWEGO...AND MOVING EAST AT 55 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  CLAYTON...
  SOUTHWICK BEACH...
  WATERTOWN...
  FORT DRUM...
  BARNES CORNERS...
  WEST CARTHAGE...
  LOWVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF ON OR NEAR LAKE ONTARIO...GET OUT OF THE WATER AND MOVE INDOORS 
OR INSIDE A VEHICLE. REMEMBER...LIGHTNING CAN STRIKE OUT TO 15 MILES 
FROM THE PARENT THUNDERSTORM. IF YOU CAN HEAR THUNDER...YOU ARE 
CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. MOVE TO SAFE SHELTER NOW. 
DON'T BE CAUGHT ON THE WATER IN A THUNDERSTORM!

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT
WEDNESDAY MORNING FOR WESTERN NEW YORK.

&&

LAT...LON 4364 7534 4362 7621 4380 7624 4391 7637
      4388 7645 4393 7641 4387 7630 4390 7614
      4398 7622 4396 7629 4410 7638 4420 7629
      4424 7612 4428 7616 4429 7606 4425 7610
      4430 7561 4411 7517 4395 7514 4393 7514
TIME...MOT...LOC 0035Z 267DEG 47KT 4419 7628 4392 7638
          4369 7654

$$

WOOD
1 follow-up statement
296 
WWUS51 KBUF 180115
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
915 PM EDT TUE JUN 17 2014

NYC045-049-075-180130-
/O.CON.KBUF.SV.W.0022.000000T0000Z-140618T0130Z/
LEWIS NY-OSWEGO NY-JEFFERSON NY-
915 PM EDT TUE JUN 17 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM EDT
FOR JEFFERSON...NORTHEASTERN OSWEGO AND NORTHERN LEWIS COUNTIES...

AT 910 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 ANTWERP TO COPENHAGEN TO 6 MILES SOUTHEAST OF WORTH...
MOVING EAST AT 60 MPH.

SOME LOCATIONS IN THE WARNING INCLUDE...
  CASTORLAND...
  HARRISVILLE...

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 MIDNIGHT EDT
WEDNESDAY MORNING FOR WESTERN NEW YORK.

&&

LAT...LON 4364 7534 4362 7621 4380 7624 4391 7637
      4388 7645 4393 7641 4387 7630 4390 7614
      4398 7622 4396 7629 4410 7638 4420 7629
      4424 7612 4428 7616 4429 7606 4425 7610
      4430 7561 4411 7517 4395 7514 4393 7514
TIME...MOT...LOC 0113Z 269DEG 53KT 4419 7550 4393 7561
          4370 7576

$$

THOMAS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 8:11 PM EDTSevere Thunderstorm WarningBUFJefferson, Lewis, Oswego64 min
Jun 17, 8:45 PM EDTSevere Thunderstorm WarningBUFCattaraugus, Chautauqua, Erie60 min
Jun 17, 8:46 PM EDTSpecial Weather StatementBUFErie, Genesee, Livingston, Ontario, Wayne, Wyoming59 min
Jun 17, 8:58 PM EDTSpecial Weather StatementBUFOswego62 min
Jun 17, 9:02 PM EDTSpecial Marine WarningBUF58 min
Jun 17, 9:06 PM EDTTornado WarningBUFJefferson, Lewis39 min
Jun 17, 9:29 PM EDTSevere Thunderstorm WarningBUFAllegany, Cattaraugus61 min
Jun 17, 9:30 PM EDTSevere Thunderstorm WarningBUFJefferson, Lewis60 min
Jun 17, 9:46 PM EDTSpecial Weather StatementBUFLivingston, Ontario, Wyoming44 min

Nearby

Severe Thunderstorm Warnings in New York, 2014Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.