Alert archive / New York / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 48, NWS Buffalo, NY

August 13, 2016Lewis County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Aug 13, 2016, 4:21 PM EDT for Lewis County, New York. It was in force for 39 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: Aug 13, 2016, 4:21 PM EDT (20:21 UTC)
Expired: Aug 13, 2016, 5:00 PM EDT
In force: 39 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Lewis County, NY

The radar

The Ft Drum radar (KTYX), 32 km from the middle of the area, began a volume at 20:24 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
Aug 13, 4:37 PM EDT	TSTM WND DMG	Lyonsdale, NY	TREES DOWN.

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, 8.4 hours before the alert went out and 159 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: 356 J/kg
Mixed-layer CIN: -103 J/kg
Mixed-layer LCL: 857 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 68 m²/s²
0-3 km storm-relative helicity: 100 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

As transmitted.

173 
WUUS51 KBUF 132021
SVRBUF
NYC049-132100-
/O.NEW.KBUF.SV.W.0048.160813T2021Z-160813T2100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
421 PM EDT SAT AUG 13 2016

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 500 PM EDT

* AT 420 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER
  HIGHMARKET... OR 9 MILES NORTHWEST 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...
  LYONSDALE...GREIG...PORT LEYDEN...LYONS FALLS...CONSTABLEVILLE...
  TURIN...WEST LEYDEN AND TALCOTTVILLE.

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 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 4344 7549 4363 7553 4383 7514 4361 7511
TIME...MOT...LOC 2020Z 251DEG 40KT 4356 7549 

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

RSH

1 follow-up statement

226 
WWUS51 KBUF 132054
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
454 PM EDT SAT AUG 13 2016

NYC049-132103-
/O.EXP.KBUF.SV.W.0048.000000T0000Z-160813T2100Z/
LEWIS NY-
454 PM EDT SAT AUG 13 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN LEWIS COUNTY WILL
EXPIRE AT 500 PM EDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE...THE WARNING WILL BE ALLOWED TO EXPIRE.  HOWEVER GUSTY
WINDS AND HEAVY RAIN ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 4344 7549 4363 7553 4383 7514 4361 7511
TIME...MOT...LOC 2047Z 251DEG 40KT 4356 7549 

$$

RSH

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 13, 8:11 AM EDT	Special Weather Statement	BUF	Jefferson	34 min
Aug 13, 8:50 AM EDT	Special Weather Statement	BUF	Lewis	40 min
Aug 13, 11:59 AM EDT	Special Weather Statement	BUF	Erie	46 min
Aug 13, 12:34 PM EDT	Special Weather Statement	BUF	Genesee, Monroe	41 min
Aug 13, 1:35 PM EDT	Special Weather Statement	BUF	Monroe, Wayne	40 min
Aug 13, 1:48 PM EDT	Special Marine Warning	BUF		57 min
Aug 13, 2:14 PM EDT	Special Weather Statement	BUF	Wayne	31 min
Aug 13, 2:31 PM EDT	Special Marine Warning	BUF		59 min
Aug 13, 2:42 PM EDT	Special Marine Warning	BUF		63 min
Aug 13, 2:48 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Oswego, Wayne	57 min
Aug 13, 2:50 PM EDT	Special Weather Statement	BUF	Erie	25 min
Aug 13, 3:05 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Genesee, Livingston, Wyoming	55 min
Aug 13, 3:18 PM EDT	Special Marine Warning	BUF		42 min
Aug 13, 3:23 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Lewis, Oswego	67 min
Aug 13, 3:24 PM EDT	Special Weather Statement	BUF	Cattaraugus	36 min
Aug 13, 3:41 PM EDT	Small Craft Advisory	BUF		28 hr
Aug 13, 3:50 PM EDT	Special Marine Warning	BUF		115 min
Aug 13, 3:51 PM EDT	Severe Thunderstorm Warning	BUF	Genesee, Livingston, Monroe, Ontario, Wayne	54 min
Aug 13, 3:58 PM EDT	Special Weather Statement	BUF	Wyoming	32 min
Aug 13, 4:03 PM EDT	Severe Thunderstorm Warning	BUF	Livingston, Monroe, Ontario, Wyoming	42 min
Aug 13, 4:40 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Wayne	27 min
Aug 13, 4:41 PM EDT	Severe Thunderstorm Warning	BUF	Livingston, Ontario	26 min
Aug 13, 4:51 PM EDT	Severe Thunderstorm Warning	BUF	Livingston, Ontario	39 min
Aug 13, 5:03 PM EDT	Special Marine Warning	BUF		57 min
Aug 13, 5:17 PM EDT	Severe Thunderstorm Warning	BUF	Chautauqua	43 min
Aug 13, 5:54 PM EDT	Special Weather Statement	BUF	Livingston, Wyoming	36 min
Aug 13, 5:58 PM EDT	Special Marine Warning	BUF		92 min
Aug 13, 6:07 PM EDT	Special Marine Warning	BUF		83 min
Aug 13, 6:25 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Livingston, Ontario, Wyoming	50 min
Aug 13, 6:45 PM EDT	Special Marine Warning	BUF		90 min
Aug 13, 7:22 PM EDT	Special Weather Statement	BUF	Cattaraugus	38 min

Nearby

Severe Thunderstorm Warnings in New York, 2016 Every 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.