Alert archive / New York / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 31, NWS Buffalo, NY

June 24, 2014Jefferson County, Lewis County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 24, 2014, 7:28 PM EDT for Jefferson County, Lewis County, New York. It was in force for 62 min. 1 report 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
Jun 24, 2014, 7:28 PM EDT (23:28 UTC)
Expired
Jun 24, 2014, 8:30 PM EDT
In force
62 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

Counties Jefferson County, NY, Lewis County, NY

The radar

The Ft Drum radar (KTYX), 30 km from the middle of the area, began a volume at 23:31 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

TimeReportWhereRemark
Jun 24, 8:04 PM EDTTSTM WND DMG1 Sw Port Leyden, NYTREE AND WIRES DOWN ON SOUTH ELM STREET

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 11.5 hours before the alert went out and 221 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, Albany, NY at 12:00Z on 2014-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Albany, NY at 12:00Z on 2014-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 146 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1084 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
146 m²/s²
0-3 km storm-relative helicity
216 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

986 
WUUS51 KBUF 242328
SVRBUF
NYC045-049-250030-
/O.NEW.KBUF.SV.W.0031.140624T2328Z-140625T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
728 PM EDT TUE JUN 24 2014

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 830 PM EDT

* AT 725 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM 19 MILES NORTHWEST OF HENDERSON
  HARBOR TO WATERTOWN TO HIGHMARKET...AND MOVING NORTHEAST AT 40 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  CALCIUM...
  WEST CARTHAGE...
  WEST CARTHAGE...
  INDIAN RIVER...

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 WAYNE AND CAYUGA COUNTIES. THIS IS AN EXTREMELY DANGEROUS
SITUATION. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY
FROM WINDOWS!

&&

LAT...LON 4342 7553 4346 7575 4369 7577 4371 7602
      4381 7611 4387 7629 4391 7622 4387 7621
      4390 7614 4398 7622 4392 7642 4398 7628
      4411 7638 4420 7629 4424 7612 4426 7617
      4430 7614 4440 7584 4410 7516 4362 7510
TIME...MOT...LOC 2327Z 228DEG 33KT 4404 7648 4397 7586
          4360 7549

$$

THOMAS
2 follow-up statements
248 
WWUS51 KBUF 242357
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
757 PM EDT TUE JUN 24 2014

NYC045-049-250030-
/O.CON.KBUF.SV.W.0031.000000T0000Z-140625T0030Z/
LEWIS NY-JEFFERSON NY-
757 PM EDT TUE JUN 24 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM EDT
FOR JEFFERSON AND LEWIS COUNTIES...

AT 752 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS
WERE LOCATED ALONG A LINE EXTENDING FROM 6 MILES NORTHEAST OF CAPE
VINCENT TO PHILADELPHIA TO 11 MILES NORTHEAST OF LYONS FALLS...MOVING
NORTHEAST AT 40 MPH.

SOME LOCATIONS IN THE WARNING INCLUDE...
  ANTWERP...
  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.

&&

LAT...LON 4353 7531 4381 7611 4387 7629 4391 7622
      4387 7621 4390 7614 4398 7622 4392 7642
      4398 7628 4411 7638 4420 7629 4424 7612
      4426 7617 4430 7614 4440 7584 4410 7516
      4362 7510
TIME...MOT...LOC 2357Z 228DEG 33KT 4423 7619 4415 7557
          4378 7521

$$

THOMAS
622 
WWUS51 KBUF 250030
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
830 PM EDT TUE JUN 24 2014

NYC045-049-250040-
/O.EXP.KBUF.SV.W.0031.000000T0000Z-140625T0030Z/
LEWIS NY-JEFFERSON NY-
830 PM EDT TUE JUN 24 2014

...THE SEVERE THUNDERSTORM WARNING FOR JEFFERSON AND LEWIS COUNTIES
HAS EXPIRED...

AT 830 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.

LAT...LON 4353 7531 4381 7611 4387 7629 4391 7622
      4387 7621 4390 7614 4398 7622 4392 7642
      4398 7628 4411 7638 4420 7629 4424 7612
      4426 7617 4430 7614 4440 7584 4410 7516
      4362 7510
TIME...MOT...LOC 2357Z 228DEG 33KT 4423 7619 4415 7557
          4378 7521

$$

WOOD

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 24, 5:56 AM EDTSpecial Weather StatementBUFLivingston, Ontario64 min
Jun 24, 11:32 AM EDTFlash Flood WatchBUFAllegany, Cattaraugus, Cayuga, Chautauqua, Erie, Genesee and 10 more28 hr
Jun 24, 3:58 PM EDTSpecial Weather StatementBUFGenesee62 min
Jun 24, 5:16 PM EDTSevere Thunderstorm WarningBUFCayuga, Ontario, Wayne44 min
Jun 24, 5:41 PM EDTSevere Thunderstorm WarningBUFLivingston, Ontario49 min
Jun 24, 5:51 PM EDTSevere Thunderstorm WarningBUFCayuga, Oswego, Wayne54 min
Jun 24, 6:03 PM EDTSpecial Marine WarningBUF57 min
Jun 24, 6:04 PM EDTSpecial Weather StatementBUFErie, Genesee, Wyoming56 min
Jun 24, 6:33 PM EDTSevere Thunderstorm WarningBUFJefferson, Lewis, Oswego57 min
Jun 24, 6:54 PM EDTSpecial Marine WarningBUF51 min
Jun 24, 7:26 PM EDTSpecial Marine WarningBUF34 min
Jun 24, 7:53 PM EDTSpecial Weather StatementBUFChautauqua, Erie52 min
Jun 24, 7:56 PM EDTSpecial Weather StatementBUFNiagara64 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.