Alert archive / New York / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 13, NWS Buffalo, NY

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

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 20, 2016, 9:43 PM EDT for Jefferson County, Lewis County, New York. It was in force for 62 min. 2 reports 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, 9:43 PM EDT (01:43 UTC)
Expired
Jun 20, 2016, 10:45 PM EDT
In force
62 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon
Hail
1.0 in
Wind
70.0 mph

Counties Jefferson County, NY, Lewis County, NY

The radar

The Ft Drum radar (KTYX), 35 km from the middle of the area, began a volume at 01:45 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, 9:54 PM EDTTSTM WND DMGNatural Bridge, NYTREE DOWN ACROSS RT. 3
Jun 20, 9:56 PM EDTTSTM WND DMGHarrisville, NYTREES AND WIRES DOWN IN HARRISVILLE

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, 1.7 hours before the alert went out and 191 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.

810 
WUUS51 KBUF 210143
SVRBUF
NYC045-049-210245-
/O.NEW.KBUF.SV.W.0013.160621T0143Z-160621T0245Z/

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

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 1045 PM EDT

* AT 943 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 9 MILES WEST OF FOWLER TO NEAR HERRINGS...MOVING
  SOUTHEAST AT 50 MPH.

  HAZARD...70 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT CONSIDERABLE 
           TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO MOBILE HOMES...
           ROOFS...AND OUTBUILDINGS. 

* LOCATIONS IMPACTED INCLUDE...
  FORT DRUM...CARTHAGE...WEST CARTHAGE...HERRINGS...BLACK RIVER...
  PHILADELPHIA...ANTWERP AND HARRISVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4378 7513 4397 7584 4429 7561 4410 7517
TIME...MOT...LOC 0143Z 297DEG 45KT 4425 7558 4397 7572 

HAIL...1.00IN
WIND...70MPH
 
$$

HITCHCOCK
2 follow-up statements
334 
WWUS51 KBUF 210212
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1012 PM EDT MON JUN 20 2016

NYC045-049-210245-
/O.CON.KBUF.SV.W.0013.000000T0000Z-160621T0245Z/
LEWIS NY-JEFFERSON NY-
1012 PM EDT MON JUN 20 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM EDT
FOR NORTHEASTERN LEWIS AND JEFFERSON COUNTIES...

AT 1012 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 10 MILES SOUTHWEST OF STAR LAKE TO NEAR WEST CARTHAGE...
MOVING SOUTHEAST AT 25 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
FORT DRUM...CARTHAGE...WEST CARTHAGE...HERRINGS...BLACK RIVER...
PHILADELPHIA...ANTWERP AND HARRISVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4378 7513 4397 7584 4429 7561 4410 7517
TIME...MOT...LOC 0212Z 300DEG 22KT 4408 7521 4394 7562 

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

HITCHCOCK
167 
WWUS51 KBUF 210246
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1046 PM EDT MON JUN 20 2016

NYC045-049-210254-
/O.EXP.KBUF.SV.W.0013.000000T0000Z-160621T0245Z/
LEWIS NY-JEFFERSON NY-
1046 PM EDT MON JUN 20 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN LEWIS AND
NORTHEASTERN JEFFERSON COUNTIES WILL EXPIRE AT 1045 PM EDT...
    
THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE. A SEPERATE SEVERE
THUNDERSTORM WARNING IS STILL IN EFFECT FOR SOUTHEAST JEFFERSON AND
CENTRAL LEWIS COUNTIES.

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

LAT...LON 4378 7513 4397 7584 4429 7561 4410 7517
TIME...MOT...LOC 0243Z 297DEG 45KT 4408 7521 4394 7562 

$$

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, 9:53 PM EDTSevere Thunderstorm WarningBUFJefferson37 min
Jun 20, 10:11 PM EDTSevere Thunderstorm WarningBUFErie, Genesee, Livingston, Wyoming49 min
Jun 20, 10:26 PM EDTSevere Thunderstorm WarningBUFJefferson, Lewis64 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.