Alert archive / New York / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 50, NWS Buffalo, NY

August 13, 2016Livingston County, Ontario County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Aug 13, 2016, 4:41 PM EDT for Livingston County, Ontario County, New York. It was in force for 26 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, 4:41 PM EDT (20:41 UTC)
Expired: Aug 13, 2016, 5:07 PM EDT
In force: 26 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Livingston County, NY, Ontario County, NY

The radar

The Buffalo radar (KBUF), 121 km from the middle of the area, began a volume at 20:41 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, 4:51 PM EDT	TSTM WND DMG	Phelps, NY	TREE AND WIRE DOWN.

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

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 8.7 hours before the alert went out and 118 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: 709 J/kg
Mixed-layer CIN: -34 J/kg
Mixed-layer LCL: 898 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 105 m²/s²
0-3 km storm-relative helicity: 119 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.3

Open this sounding in Storm Lab

The text

As transmitted.

019 
WUUS51 KBUF 132041
SVRBUF
NYC051-069-132130-
/O.NEW.KBUF.SV.W.0050.160813T2041Z-160813T2130Z/

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

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ONTARIO COUNTY IN WESTERN NEW YORK...
  NORTHEASTERN LIVINGSTON COUNTY IN WESTERN NEW YORK...

* UNTIL 530 PM EDT

* AT 441 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER HEMLOCK...OR
  12 MILES EAST OF GENESEO...MOVING NORTHEAST AT 40 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  GENEVA...CANANDAIGUA...VICTOR...BRISTOL...LIMA...CLIFTON SPRINGS...
  PHELPS AND BLOOMFIELD.

THIS INCLUDES INTERSTATE 90 BETWEEN EXITS 43 AND 42.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE IMMEDIATELY TO SHELTER INSIDE A STRONG BUILDING. STAY
AWAY FROM WINDOWS.

&&

LAT...LON 4270 7761 4287 7770 4294 7748 4295 7748
      4304 7723 4303 7713 4301 7713 4302 7701
      4301 7696 4287 7696 4287 7698 4286 7698
TIME...MOT...LOC 2041Z 247DEG 36KT 4282 7756 

HAIL...1.00IN
WIND...60MPH
 
$$

HIBBERT

1 follow-up statement

787 
WWUS51 KBUF 132107
SVSBUF

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

NYC051-069-132116-
/O.CAN.KBUF.SV.W.0050.000000T0000Z-160813T2130Z/
ONTARIO NY-LIVINGSTON NY-
507 PM EDT SAT AUG 13 2016

...THE SEVERE THUNDERSTORM WARNING FOR ONTARIO AND NORTHEASTERN
LIVINGSTON COUNTIES IS CANCELLED...
                
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 HAS BEEN CANCELLED.

LAT...LON 4270 7761 4287 7770 4294 7748 4295 7748
      4304 7723 4303 7713 4301 7713 4302 7701
      4301 7696 4287 7696 4287 7698 4286 7698
TIME...MOT...LOC 2104Z 247DEG 36KT 4292 7724 

$$

HIBBERT

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, 4:21 PM EDT	Severe Thunderstorm Warning	BUF	Lewis	39 min
Aug 13, 4:40 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Wayne	27 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.