Alert archive / New York / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 16, NWS Buffalo, NY

June 20, 2016Jefferson County, Lewis County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 20, 2016, 10:26 PM EDT for Jefferson County, Lewis County, New York. It was in force for 64 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 20, 2016, 10:26 PM EDT (02:26 UTC)
Expired
Jun 20, 2016, 11:30 PM EDT
In force
64 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Jefferson County, NY, Lewis County, NY

The radar

The Ft Drum radar (KTYX), 12 km from the middle of the area, began a volume at 02:28 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 20, 10:30 PM EDTTSTM WND DMG1 Nne Copenhagen, NYMULTIPLE TREES DOWN BETWEEN COPENHAGEN AND CARTHAGE.

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 20, 8:06 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Albany, NY (KALY), launched 00:00Z, 2.4 hours before the alert went out and 179 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 2016-06-21Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 00:00Z on 2016-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 square meters per square second.1939Sfc1 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
2305 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
100 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

224 
WUUS51 KBUF 210226
SVRBUF
NYC045-049-210330-
/O.NEW.KBUF.SV.W.0016.160621T0226Z-160621T0330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1026 PM EDT MON JUN 20 2016

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 1130 PM EDT

* AT 1025 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER BARNES
  CORNERS...OR 12 MILES SOUTHEAST OF WATERTOWN...MOVING SOUTHEAST AT 35
  MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  LOWVILLE...BARNES CORNERS...WHETSTONE GULF STATE PARK...DENMARK...NEW
  BREMEN...WATSON...MARTINSBURG AND LYONSDALE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4353 7529 4367 7577 4369 7578 4369 7583
      4373 7597 4397 7579 4385 7514 4361 7511
TIME...MOT...LOC 0225Z 301DEG 30KT 4383 7577 

HAIL...<.75IN
WIND...60MPH
 
$$

HITCHCOCK
3 follow-up statements
985 
WWUS51 KBUF 210249
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1049 PM EDT MON JUN 20 2016

NYC045-210258-
/O.CAN.KBUF.SV.W.0016.000000T0000Z-160621T0330Z/
JEFFERSON NY-
1049 PM EDT MON JUN 20 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN JEFFERSON COUNTY
IS CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT FOR
CENTRAL NEW YORK.

LAT...LON 4366 7575 4392 7552 4385 7514 4361 7511
      4353 7529
TIME...MOT...LOC 0248Z 286DEG 37KT 4376 7546 

$$

NYC049-210330-
/O.CON.KBUF.SV.W.0016.000000T0000Z-160621T0330Z/
LEWIS NY-
1049 PM EDT MON JUN 20 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM EDT
FOR CENTRAL LEWIS COUNTY...

AT 1048 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER LOWVILLE...OR
20 MILES NORTH OF BOONVILLE...MOVING EAST AT 45 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
LOWVILLE...WHETSTONE GULF STATE PARK...NEW BREMEN...WATSON...MARTINSBURG...
LYONSDALE...GREIG AND PORT LEYDEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4366 7575 4392 7552 4385 7514 4361 7511
      4353 7529
TIME...MOT...LOC 0248Z 286DEG 37KT 4376 7546 

HAIL...<.75IN
WIND...60MPH
 
$$

HITCHCOCK
951 
WWUS51 KBUF 210309
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1109 PM EDT MON JUN 20 2016

NYC049-210330-
/O.CON.KBUF.SV.W.0016.000000T0000Z-160621T0330Z/
LEWIS NY-
1109 PM EDT MON JUN 20 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM EDT
FOR SOUTHERN LEWIS COUNTY...

AT 1109 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 11 MILES NORTHWEST OF OLD FORGE TO HIGHMARKET...MOVING
EAST AT 45 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
WHETSTONE GULF STATE PARK...WATSON...MARTINSBURG...LYONSDALE...GREIG...
PORT LEYDEN...LYONS FALLS AND CONSTABLEVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4364 7569 4388 7531 4385 7514 4361 7511
      4353 7529
TIME...MOT...LOC 0309Z 285DEG 39KT 4382 7515 4360 7552 

HAIL...<.75IN
WIND...60MPH
 
$$

HITCHCOCK
485 
WWUS51 KBUF 210331
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1131 PM EDT MON JUN 20 2016

NYC049-210341-
/O.EXP.KBUF.SV.W.0016.000000T0000Z-160621T0330Z/
LEWIS NY-
1131 PM EDT MON JUN 20 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN LEWIS COUNTY HAS
EXPIRED...
    
THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA.
THEREFORE THE WARNING HAS BEEN ALLOWED TO EXPIRE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM EDT FOR
CENTRAL NEW YORK.

LAT...LON 4364 7569 4388 7531 4385 7514 4361 7511
      4353 7529
TIME...MOT...LOC 0329Z 301DEG 30KT 4382 7515 4360 7552 

$$

HITCHCOCK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 20, 8:57 PM EDTSpecial Marine WarningBUF93 min
Jun 20, 9:04 PM EDTSevere Thunderstorm WarningBUFJefferson56 min
Jun 20, 9:20 PM EDTSpecial Marine WarningBUF55 min
Jun 20, 9:26 PM EDTSpecial Weather StatementBUFErie34 min
Jun 20, 9:30 PM EDTSevere Thunderstorm WarningBUFErie, Genesee, Niagara, Wyoming45 min
Jun 20, 9:43 PM EDTSevere Thunderstorm WarningBUFJefferson, Lewis62 min
Jun 20, 9:53 PM EDTSevere Thunderstorm WarningBUFJefferson37 min
Jun 20, 10:11 PM EDTSevere Thunderstorm WarningBUFErie, Genesee, Livingston, Wyoming49 min
Jun 20, 10:33 PM EDTSevere Thunderstorm WarningBUFOswego27 min
Jun 20, 10:36 PM EDTSpecial Marine WarningBUF39 min
Jun 20, 10:39 PM EDTSevere Thunderstorm WarningBUFAllegany, Cattaraugus, Livingston, Wyoming51 min
Jun 20, 10:53 PM EDTSevere Thunderstorm WarningBUFOswego52 min
Jun 20, 10:58 PM EDTSevere Thunderstorm WarningBUFAllegany, Cattaraugus, Erie, Livingston, Wyoming47 min
Jun 20, 11:13 PM EDTSevere Thunderstorm WarningBUFCayuga, Wayne37 min
Jun 20, 11:20 PM EDTFlash Flood WarningBUFErie, Wyoming3 hr
Jun 20, 11:34 PM EDTSevere Thunderstorm WarningBUFAllegany, Cattaraugus, Livingston, Wyoming41 min
Jun 20, 11:43 PM EDTSevere Thunderstorm WarningBUFLivingston, Ontario23 min
Jun 21, 12:15 AM EDTSevere Thunderstorm WarningBUFAllegany30 min

Nearby

Severe Thunderstorm Warnings in New York, 2016Every severe thunderstorm warning in 2016

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.