Alert archive / New York / Special Weather Statements in 2017

Special Weather Statement, NWS Buffalo, NY

May 30, 2017Ontario County, New York

NWS Buffalo, NY issued this special weather statement at May 30, 2017, 3:13 PM EDT for Ontario County, New York. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 30, 2017, 3:13 PM EDT (19:13 UTC)
Expired: May 30, 2017, 3:45 PM EDT
In force: 32 min
Issued by: NWS Buffalo, NY

County Ontario County, NY

The radar

The Binghamton radar (KBGM), 116 km from the middle of the area, began a volume at 19:16 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.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 7.2 hours before the alert went out and 133 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: 1274 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 50 m²/s²
0-3 km storm-relative helicity: 104 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

590 
WWUS81 KBUF 301913
SPSBUF

Special Weather Statement
National Weather Service Buffalo NY
313 PM EDT TUE MAY 30 2017

NYZ014-301945-
Ontario-
313 PM EDT TUE MAY 30 2017

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN ONTARIO COUNTY...

At 313 PM EDT, a strong thunderstorm was located over Rushville, or
10 miles south of Canandaigua, moving northeast at 50 mph.

Winds in excess of 40 mph and dime size hail are possible with this
storm.

Locations impacted include...
Geneva, Phelps, Rushville, Gorham, Seneca Castle, Seneca Lake State
Park, Cottage City, Hall and West Junius.

This includes Interstate 90 near exit 42.
 
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

LAT...LON 4301 7706 4301 7696 4287 7696 4286 7698
      4277 7697 4276 7698 4276 7731 4277 7731
TIME...MOT...LOC 1913Z 224DEG 41KT 4275 7722 

$$

HITCHCOCK

The office that day

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

Issued	Product	Office	Counties	Lasted
May 30, 1:14 AM EDT	Special Marine Warning	BUF		61 min
May 30, 1:52 AM EDT	Special Marine Warning	BUF		83 min
May 30, 1:05 PM EDT	Special Weather Statement	BUF	Allegany	25 min
May 30, 1:17 PM EDT	Special Weather Statement	BUF	Wayne	28 min
May 30, 1:18 PM EDT	Special Weather Statement	BUF	Ontario	27 min
May 30, 1:22 PM EDT	Special Weather Statement	BUF	Ontario	23 min
May 30, 1:32 PM EDT	Special Marine Warning	BUF		43 min
May 30, 1:34 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Cattaraugus, Erie, Livingston, Wyoming	30 min
May 30, 1:41 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Ontario, Wayne	49 min
May 30, 1:54 PM EDT	Special Weather Statement	BUF	Jefferson	36 min
May 30, 2:03 PM EDT	Severe Thunderstorm Warning	BUF	Allegany, Livingston	27 min
May 30, 2:10 PM EDT	Special Marine Warning	BUF		65 min
May 30, 2:10 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Oswego, Wayne	50 min
May 30, 2:21 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Ontario, Wayne	54 min
May 30, 4:23 PM EDT	Special Weather Statement	BUF	Onondaga	22 min
May 30, 4:41 PM EDT	Special Weather Statement	BUF	Lewis	49 min

Nearby

Special Weather Statements in New York, 2017 Every special weather statement in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.