Alert archive / New York / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 71, NWS Buffalo, NY

December 25, 2014Jefferson County, Lewis County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Dec 25, 2014, 12:36 AM EST for Jefferson County, Lewis County, New York. It was in force for 34 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
Dec 25, 2014, 12:36 AM EST (05:36 UTC)
Expired
Dec 25, 2014, 1:10 AM EST
In force
34 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

Counties Jefferson County, NY, Lewis County, NY

The radar

The Ft Drum radar (KTYX), 31 km from the middle of the area, began a volume at 05:40 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 nearest sounding before it

Albany, NY (KALY), launched 00:00Z, 5.6 hours before the alert went out and 222 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 00:00Z on 2014-12-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2014-12-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 343 square meters per square second.1939587897117Sfc1 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
453 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
343 m²/s²
0-3 km storm-relative helicity
471 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.

402 
WUUS51 KBUF 250536
SVRBUF
NYC045-049-250630-
/O.NEW.KBUF.SV.W.0071.141225T0536Z-141225T0630Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1236 AM EST THU DEC 25 2014

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

THIS ALSO INCLUDES INTERSTATE 81 BETWEEN EXITS 39 AND 49.

* UNTIL 130 AM EST

* AT 1229 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 7 MILES
  SOUTHEAST OF SOUTHWICK BEACH...OR 20 MILES SOUTHWEST OF
  WATERTOWN...AND MOVING NORTHEAST AT 85 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  WATERTOWN...
  FORT DRUM...

LAT...LON 4418 7536 4370 7596 4371 7602 4367 7602
      4374 7623 4380 7624 4382 7627 4387 7622
      4390 7614 4396 7615 4437 7580 4437 7576
TIME...MOT...LOC 0535Z 219DEG 74KT 4381 7600

$$

WOOD
1 follow-up statement
413 
WWUS51 KBUF 250610
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
110 AM EST THU DEC 25 2014

NYC045-049-250620-
/O.CAN.KBUF.SV.W.0071.000000T0000Z-141225T0630Z/
LEWIS NY-JEFFERSON NY-
110 AM EST THU DEC 25 2014

...THE SEVERE THUNDERSTORM WARNING FOR JEFFERSON AND NORTHWESTERN
LEWIS COUNTIES IS CANCELLED...

AT 110 AM EST NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE
THUNDERSTORM THAT PROMPTED THE WARNING HAD EXITED THE WARNED AREA...
THUS THE WARNING HAS BEEN CANCELLED.

LAT...LON 4418 7536 4370 7596 4371 7602 4367 7602
      4374 7623 4380 7624 4382 7627 4387 7622
      4390 7614 4396 7615 4437 7580 4437 7576
TIME...MOT...LOC 0610Z 219DEG 74KT 4437 7537

$$

WOOD

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 24, 9:52 PM ESTSevere Thunderstorm WarningBUFCattaraugus, Chautauqua, Erie, Genesee, Niagara, Orleans and 1 more38 min
Dec 24, 10:26 PM ESTSevere Thunderstorm WarningBUFErie, Genesee, Monroe, Niagara, Orleans28 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.