Alert archive / New York / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 19, NWS Buffalo, NY

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

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 17, 2014, 7:29 PM EDT for Jefferson County, Lewis County, New York. It was in force for 46 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 17, 2014, 7:29 PM EDT (23:29 UTC)
Expired
Jun 17, 2014, 8:15 PM EDT
In force
46 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

Counties Jefferson County, NY, Lewis County, NY

The radar

The Ft Drum radar (KTYX), 32 km from the middle of the area, began a volume at 23:29 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 17, 7:56 PM EDTTSTM WND DMGAdams, NYTREE 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.

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

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 11.5 hours before the alert went out and 220 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 2014-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 59 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, Albany, NY at 12:00Z on 2014-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 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
59 J/kg
Mixed-layer CIN
-111 J/kg
Mixed-layer LCL
980 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
102 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.

697 
WUUS51 KBUF 172329
SVRBUF
NYC045-049-180015-
/O.NEW.KBUF.SV.W.0019.140617T2329Z-140618T0015Z/

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

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

THIS ALSO INCLUDES INTERSTATE 81 BETWEEN EXITS 39 AND 46.

* UNTIL 815 PM EDT

* AT 724 PM EDT...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 11
  MILES SOUTHWEST OF STONY POINT...OR 18 MILES NORTH OF OSWEGO...AND
  MOVING EAST AT 35 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...
  SOUTHWICK BEACH...
  HENDERSON HARBOR...
  ADAMS...
  ADAMS CENTER...
  BARNES CORNERS...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4377 7568 4370 7598 4371 7602 4369 7603
      4367 7611 4367 7620 4380 7624 4383 7630
      4386 7631 4391 7621 4387 7621 4390 7614
      4393 7613 4401 7587
TIME...MOT...LOC 2329Z 252DEG 32KT 4374 7640

$$

WOOD
1 follow-up statement
923 
WWUS51 KBUF 172351
SVSBUF

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

NYC045-049-180015-
/O.CON.KBUF.SV.W.0019.000000T0000Z-140618T0015Z/
LEWIS NY-JEFFERSON NY-
751 PM EDT TUE JUN 17 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT
FOR SOUTHWESTERN JEFFERSON AND WEST CENTRAL LEWIS COUNTIES...

THIS ALSO INCLUDES INTERSTATE 81 BETWEEN EXITS 38 AND 45.

AT 745 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR SOUTHWICK BEACH...OR 20 MILES SOUTHWEST OF WATERTOWN...
MOVING EAST AT 35 MPH.

SOME LOCATIONS IN THE WARNING INCLUDE...
  ADAMS...
  ADAMS CENTER...
  BARNES CORNERS...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4377 7568 4370 7598 4371 7602 4369 7603
      4367 7611 4367 7620 4380 7624 4383 7630
      4386 7631 4391 7621 4387 7621 4390 7614
      4393 7613 4401 7587
TIME...MOT...LOC 2351Z 252DEG 32KT 4380 7614

$$

WOOD

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 2:15 PM EDTSpecial Weather StatementBUFMonroe60 min
Jun 17, 2:20 PM EDTSpecial Weather StatementBUFLivingston55 min
Jun 17, 2:28 PM EDTSevere Thunderstorm WarningBUFLivingston, Ontario, Wyoming62 min
Jun 17, 2:40 PM EDTSevere Thunderstorm WarningBUFMonroe, Ontario, Wayne65 min
Jun 17, 2:41 PM EDTSpecial Marine WarningBUF64 min
Jun 17, 3:15 PM EDTSpecial Marine WarningBUF45 min
Jun 17, 3:58 PM EDTSpecial Marine WarningBUF62 min
Jun 17, 6:28 PM EDTSpecial Marine WarningBUF92 min
Jun 17, 6:33 PM EDTSpecial Marine WarningBUF57 min
Jun 17, 7:00 PM EDTSpecial Marine WarningBUF60 min
Jun 17, 7:08 PM EDTSevere Thunderstorm WarningBUFMonroe, Niagara, Orleans67 min
Jun 17, 7:27 PM EDTSpecial Marine WarningBUF33 min
Jun 17, 7:39 PM EDTSevere Thunderstorm WarningBUFErie, Genesee, Monroe, Niagara, Orleans, Wyoming66 min
Jun 17, 7:56 PM EDTSpecial Marine WarningBUF64 min
Jun 17, 7:59 PM EDTSpecial Marine WarningBUF91 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.