Alert archive / New York / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 18, NWS Buffalo, NY

June 13, 2018Jefferson County, Lewis County, Oswego County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 13, 2018, 7:43 PM EDT for Jefferson County, Lewis County, Oswego 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 13, 2018, 7:43 PM EDT (23:43 UTC)
Expired: Jun 13, 2018, 8:45 PM EDT
In force: 62 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, Oswego County, NY

The radar

The Ft Drum radar (KTYX), 16 km from the middle of the area, began a volume at 23:46 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

Time	Report	Where	Remark
Jun 13, 7:46 PM EDT	TSTM WND DMG	Beaver Falls, NY	TREES AND WIRES DOWN.
Jun 13, 8:18 PM EDT	TSTM WND DMG	Lyonsdale, NY	MULTIPLE REPORTS OF TREES DOWN. ONE DOWN ALONG RIVER RD.

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.

Issued	Product	Office	Lasted
Jun 13, 4:06 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 11.7 hours before the alert went out and 175 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1096 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 83 m²/s²
0-3 km storm-relative helicity: 128 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

868 
WUUS51 KBUF 132343
SVRBUF
NYC045-049-075-140045-
/O.NEW.KBUF.SV.W.0018.180613T2343Z-180614T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Buffalo NY
743 PM EDT WED JUN 13 2018

The National Weather Service in Buffalo has issued a

* Severe Thunderstorm Warning for...
  Southeastern Jefferson County in ce0ntral New York... Lewis County 
  in central New York... Northeastern Oswego County in central 
  New York...

* Until 845 PM EDT..

* At 743 PM EDT, severe thunderstorms were located along a line
  extending from 12 miles south of Star Lake to near Redfield, moving
  east at 65 mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Lowville, Redfield, Highmarket, Whetstone Gulf State Park, Denmark,
  New Bremen, Watson and Martinsburg.

# 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4342 7554 4347 7578 4363 7609 4414 7528
      4410 7517 4361 7511
TIME...MOT...LOC 2343Z 279DEG 70KT 4398 7508 4360 7587 

HAIL...0.75IN
WIND...60MPH
 
$$

HSK

3 follow-up statements

664 
WWUS51 KBUF 140008
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
808 PM EDT WED JUN 13 2018

NYC045-075-140018-
/O.CAN.KBUF.SV.W.0018.000000T0000Z-180614T0045Z/
Jefferson NY-Oswego NY-
808 PM EDT WED JUN 13 2018

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN JEFFERSON AND
NORTHEASTERN OSWEGO COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1100 PM EDT for
central New York.

LAT...LON 4342 7554 4347 7576 4410 7517 4361 7511
TIME...MOT...LOC 0008Z 344DEG 18KT 4386 7515 4348 7565 

$$

NYC049-140045-
/O.CON.KBUF.SV.W.0018.000000T0000Z-180614T0045Z/
Lewis NY-
808 PM EDT WED JUN 13 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EDT
FOR SOUTHEASTERN LEWIS COUNTY...

At 808 PM EDT, severe thunderstorms were located along a line
extending from 12 miles west of Big Moose to 9 miles southwest of
Highmarket, moving south at 50 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Lowville, Whetstone Gulf State Park, Highmarket, 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 4342 7554 4347 7576 4410 7517 4361 7511
TIME...MOT...LOC 0008Z 344DEG 18KT 4386 7515 4348 7565 

HAIL...0.75IN
WIND...60MPH
 
$$

HSK

290 
WWUS51 KBUF 140020
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
820 PM EDT WED JUN 13 2018

NYC049-140045-
/O.CON.KBUF.SV.W.0018.000000T0000Z-180614T0045Z/
Lewis NY-
820 PM EDT WED JUN 13 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EDT
FOR SOUTHEASTERN LEWIS COUNTY...

At 819 PM EDT, severe thunderstorms were located along a line 
extending from near Big Moose to near Boonville, moving east at 60 
mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Lyonsdale, Greig, Port Leyden, Lyons Falls, Constableville, West
Leyden, Talcottville and Brantingham.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4345 7547 4375 7535 4394 7515 4361 7511
TIME...MOT...LOC 0019Z 270DEG 68KT 4386 7491 4355 7534 

HAIL...0.75IN
WIND...60MPH
 
$$

HSK

520 
WWUS51 KBUF 140040
SVSBUF

Severe Weather Statement
National Weather Service Buffalo NY
840 PM EDT WED JUN 13 2018

NYC049-140050-
/O.EXP.KBUF.SV.W.0018.000000T0000Z-180614T0045Z/
Lewis NY-
840 PM EDT WED JUN 13 2018

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN LEWIS COUNTY WILL
EXPIRE AT 845 PM EDT...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 1100 PM EDT for
central New York.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Buffalo.

LAT...LON 4345 7547 4375 7535 4394 7515 4361 7511
TIME...MOT...LOC 0040Z 279DEG 70KT 4380 7437 4349 7480 

$$

HSK

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 12, 10:14 PM EDT	Beach Hazards Statement	BUF	Chautauqua, Erie	17 hr
Jun 12, 10:14 PM EDT	Small Craft Advisory	BUF		46 hr
Jun 13, 3:50 PM EDT	Special Marine Warning	BUF		55 min
Jun 13, 4:26 PM EDT	Severe Thunderstorm Warning	BUF	Erie	28 min
Jun 13, 4:39 PM EDT	Special Marine Warning	BUF		66 min
Jun 13, 5:07 PM EDT	Special Marine Warning	BUF		83 min
Jun 13, 5:11 PM EDT	Special Weather Statement	BUF	Cattaraugus, Chautauqua	64 min
Jun 13, 5:17 PM EDT	Special Marine Warning	BUF		43 min
Jun 13, 5:32 PM EDT	Special Marine Warning	BUF		118 min
Jun 13, 5:50 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Cattaraugus, Erie, Livingston, Wyoming	70 min
Jun 13, 5:57 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson	78 min
Jun 13, 6:20 PM EDT	Special Marine Warning	BUF		55 min
Jun 13, 6:51 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Lewis	54 min
Jun 13, 7:01 PM EDT	Special Marine Warning	BUF		44 min

Nearby

Severe Thunderstorm Warnings in New York, 2018 Every severe thunderstorm warning in 2018

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.