Alert archive / New York / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 14, NWS Buffalo, NY

June 20, 2016Jefferson County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 20, 2016, 9:53 PM EDT for Jefferson County, New York. It was in force for 37 min. 3 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, 9:53 PM EDT (01:53 UTC)
Expired
Jun 20, 2016, 10:30 PM EDT
In force
37 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon
Hail
1.0 in
Wind
70.0 mph

County Jefferson County, NY

The radar

The Ft Drum radar (KTYX), 39 km from the middle of the area, began a volume at 01:56 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, 10:00 PM EDTTSTM WND DMG1 Ese Watertown, NYTREE DOWN ACROSS MONROE AVE
Jun 20, 10:02 PM EDTTSTM WND DMG1 Se Watertown, NYPOWER POLE BROKEN ON FAIRMONT AVE
Jun 20, 10:05 PM EDTHAIL 0.52 N Dexter, NY

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, 1.9 hours before the alert went out and 230 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.

383 
WUUS51 KBUF 210153
SVRBUF
NYC045-210230-
/O.NEW.KBUF.SV.W.0014.160621T0153Z-160621T0230Z/

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

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 1030 PM EDT

* AT 953 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 8 MILES NORTH OF FORT DRUM TO DEXTER...MOVING EAST AT
  95 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...
  WATERTOWN...FORT DRUM...STONY POINT...ADAMS...DEXTER...GLEN PARK...
  HENDERSON HARBOR AND ADAMS CENTER.

THIS INCLUDES INTERSTATE 81 BETWEEN EXITS 41 AND 49.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

LARGE HAIL AND DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THESE STORMS. MOVE INDOORS IMMEDIATELY.
LIGHTNING IS ONE OF NATURE'S LEADING KILLERS. REMEMBER...IF YOU CAN
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

&&

LAT...LON 4417 7565 4378 7591 4384 7635 4387 7635
      4386 7640 4422 7604
TIME...MOT...LOC 0153Z 265DEG 81KT 4416 7573 4399 7605 

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

HITCHCOCK
1 follow-up statement
560 
WWUS51 KBUF 210211
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
1011 PM EDT MON JUN 20 2016

NYC045-210230-
/O.CON.KBUF.SV.W.0014.000000T0000Z-160621T0230Z/
JEFFERSON NY-
1011 PM EDT MON JUN 20 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM EDT
FOR CENTRAL JEFFERSON COUNTY...

AT 1011 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM FORT DRUM TO ADAMS CENTER...MOVING EAST AT 45 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...
WATERTOWN...FORT DRUM...STONY POINT...ADAMS...DEXTER...GLEN PARK...
HENDERSON HARBOR AND ADAMS CENTER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS.
MOVE INDOORS IMMEDIATELY. LIGHTNING IS ONE OF NATURE'S LEADING
KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO
BE STRUCK BY LIGHTNING.

&&

LAT...LON 4417 7565 4378 7591 4384 7635 4387 7635
      4386 7640 4422 7604
TIME...MOT...LOC 0211Z 289DEG 39KT 4407 7580 4388 7601 

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

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, 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.