Alert archive / New York / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 10, NWS Buffalo, NY

June 20, 2016Jefferson County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 20, 2016, 7:46 PM EDT for Jefferson County, New York. It was in force for 59 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, 7:46 PM EDT (23:46 UTC)
Expired
Jun 20, 2016, 8:45 PM EDT
In force
59 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Jefferson County, NY

The radar

The Ft Drum radar (KTYX), 64 km from the middle of the area, began a volume at 23:45 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, 8:09 PM EDTMARINE TSTM WIND 472 Sw Fishers Landing, NY
Jun 20, 8:15 PM EDTTSTM WND DMG3 S Alexandria Bay, NYLARGE TREE DOWN ON BAILEY SETTELMENT ROAD

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 11.8 hours before the alert went out and 247 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 2016-06-20Temperature 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 12:00Z on 2016-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 47 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
1529 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
47 m²/s²
0-3 km storm-relative helicity
58 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

116 
WUUS51 KBUF 202346
SVRBUF
NYC045-210045-
/O.NEW.KBUF.SV.W.0010.160620T2346Z-160621T0045Z/

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

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 845 PM EDT

* AT 746 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES NORTHWEST
  OF CEDAR POINT STATE PARK...OR 28 MILES NORTHWEST OF WATERTOWN...
  MOVING EAST AT 55 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

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

* LOCATIONS IMPACTED INCLUDE...
  FORT DRUM...CLAYTON...KRING POINT STATE PARK...CEDAR POINT STATE PARK...
  REDWOOD...WELLESLEY ISLAND STATE PARK...PHILADELPHIA AND ALEXANDRIA
  BAY.

THIS INCLUDES INTERSTATE 81 BETWEEN EXITS 49 AND 52.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING
WITH THIS STORM. 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 4440 7583 4439 7584 4426 7555 4405 7564
      4417 7629 4424 7617 4429 7614 4430 7610
      4434 7603 4435 7595 4440 7586
TIME...MOT...LOC 2346Z 271DEG 47KT 4428 7629 

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

HITCHCOCK
3 follow-up statements
876 
WWUS51 KBUF 210018
SVSBUF

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

NYC045-210045-
/O.CON.KBUF.SV.W.0010.000000T0000Z-160621T0045Z/
JEFFERSON NY-
818 PM EDT MON JUN 20 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EDT
FOR NORTHERN JEFFERSON COUNTY...

AT 818 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR REDWOOD...OR 15
MILES NORTH OF FORT DRUM...MOVING EAST AT 40 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
FORT DRUM...CLAYTON...KRING POINT STATE PARK...CEDAR POINT STATE PARK...
REDWOOD...WELLESLEY ISLAND STATE PARK...PHILADELPHIA AND ALEXANDRIA
BAY.

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 THIS STORM.
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 4440 7583 4439 7584 4426 7555 4405 7564
      4420 7622 4430 7610 4434 7604 4435 7597
      4434 7597 4440 7586
TIME...MOT...LOC 0018Z 272DEG 36KT 4426 7586 

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

HITCHCOCK
324 
WWUS51 KBUF 210029
SVSBUF

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

NYC045-210045-
/O.CON.KBUF.SV.W.0010.000000T0000Z-160621T0045Z/
JEFFERSON NY-
829 PM EDT MON JUN 20 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EDT
FOR NORTHEASTERN JEFFERSON COUNTY...

AT 829 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR REDWOOD...OR 14
MILES NORTH OF FORT DRUM...MOVING EAST AT 50 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
REDWOOD...PHILADELPHIA...THERESA...ANTWERP...PLESSIS...MUSKELLUNGE LAKE
AND OXBOW.

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 THIS STORM.
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 4426 7555 4410 7562 4423 7594 4436 7577
TIME...MOT...LOC 0029Z 271DEG 43KT 4426 7569 

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

HITCHCOCK
006 
WWUS51 KBUF 210044
SVSBUF

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

NYC045-210053-
/O.EXP.KBUF.SV.W.0010.000000T0000Z-160621T0045Z/
JEFFERSON NY-
844 PM EDT MON JUN 20 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN JEFFERSON COUNTY
WILL EXPIRE AT 845 PM EDT...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

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

LAT...LON 4426 7555 4410 7562 4423 7594 4436 7577
TIME...MOT...LOC 0042Z 271DEG 47KT 4426 7569 

$$

HITCHCOCK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 10:48 PM EDTSmall Craft AdvisoryBUF24 hr
Jun 20, 7:04 PM EDTSpecial Marine WarningBUF86 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.