Alert archive / New York / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 21, NWS Buffalo, NY

June 10, 2015Jefferson County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 10, 2015, 8:48 PM EDT for Jefferson County, New York. It was in force for 57 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 10, 2015, 8:48 PM EDT (00:48 UTC)
Expired
Jun 10, 2015, 9:45 PM EDT
In force
57 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

County Jefferson County, NY

The radar

The Ft Drum radar (KTYX), 45 km from the middle of the area, began a volume at 00:51 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, 0.8 hours before the alert went out and 236 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 2015-06-11Temperature 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 00:00Z on 2015-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 161 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
2001 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
161 m²/s²
0-3 km storm-relative helicity
268 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.

641 
WUUS51 KBUF 110048
SVRBUF
NYC045-110145-
/O.NEW.KBUF.SV.W.0021.150611T0048Z-150611T0145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
848 PM EDT WED JUN 10 2015

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 945 PM EDT

* AT 847 PM EDT...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 7 MILES
  SOUTHWEST OF CEDAR POINT STATE PARK TO 12 MILES WEST OF STONY
  POINT...AND MOVING EAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WATERTOWN...FORT DRUM...STONY POINT...CLAYTON...ADAMS...DEXTER...
  GLEN PARK...CEDAR POINT STATE PARK...AND SACKETS HARBOR.

THIS INCLUDES INTERSTATE 81 BETWEEN EXITS 39 AND 49.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL...
DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION...MOVE TO
AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.

&&

LAT...LON 4406 7569 4371 7597 4371 7621 4382 7624
      4389 7645 4392 7638 4386 7629 4390 7622
      4385 7620 4398 7605 4397 7620 4403 7612
      4408 7620 4402 7620 4396 7628 4397 7628
      4410 7637 4418 7631 4432 7568
TIME...MOT...LOC 0047Z 272DEG 41KT 4415 7632 4384 7655 

$$

HITCHCOCK
1 follow-up statement
153 
WWUS51 KBUF 110120
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
920 PM EDT WED JUN 10 2015

NYC045-110145-
/O.CON.KBUF.SV.W.0021.000000T0000Z-150611T0145Z/
JEFFERSON NY-
920 PM EDT WED JUN 10 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM EDT
FOR JEFFERSON COUNTY...

AT 920 PM EDT...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 NEAR FORT
DRUM TO NEAR ADAMS...MOVING EAST AT 50 MPH.

LOCATIONS IMPACTED INCLUDE...
WATERTOWN...FORT DRUM...ADAMS...DEXTER...GLEN PARK...SOUTHWICK BEACH
STATE PARK...ADAMS CENTER AND REDWOOD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL...
DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.

&&

LAT...LON 4406 7569 4371 7597 4371 7621 4382 7624
      4385 7620 4398 7605 4398 7609 4399 7609
      4428 7587 4432 7568
TIME...MOT...LOC 0120Z 265DEG 42KT 4412 7584 4381 7611 

$$

HITCHCOCK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 8:14 PM EDTSpecial Marine WarningBUF91 min
Jun 10, 8:16 PM EDTSpecial Marine WarningBUF59 min
Jun 10, 8:56 PM EDTSevere Thunderstorm WarningBUFGenesee, Monroe49 min
Jun 10, 9:12 PM EDTSpecial Marine WarningBUF63 min
Jun 10, 9:16 PM EDTSevere Thunderstorm WarningBUFWayne45 min
Jun 10, 9:36 PM EDTSevere Thunderstorm WarningBUFGenesee, Livingston, Monroe26 min
Jun 10, 9:40 PM EDTSevere Thunderstorm WarningBUFMonroe, Ontario, Wayne35 min
Jun 10, 9:44 PM EDTSevere Thunderstorm WarningBUFCayuga, Jefferson, Lewis, Oswego61 min
Jun 10, 9:46 PM EDTTornado WarningBUFOntario29 min
Jun 10, 10:33 PM EDTSevere Thunderstorm WarningBUFOntario27 min
Jun 11, 10:02 AM EDTSpecial Weather StatementBUFMonroe58 min

Nearby

Severe Thunderstorm Warnings in New York, 2015Every severe thunderstorm warning in 2015

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.