Alert archive / New York / Special Weather Statements in 2017

Special Weather Statement, NWS Buffalo, NY

August 3, 2017Orleans County, New York

NWS Buffalo, NY issued this special weather statement at Aug 3, 2017, 3:32 PM EDT for Orleans County, New York. It was in force for 28 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: Aug 3, 2017, 3:32 PM EDT (19:32 UTC)
Expired: Aug 3, 2017, 4:00 PM EDT
In force: 28 min
Issued by: NWS Buffalo, NY

County Orleans County, NY

The radar

The Buffalo radar (KBUF), 68 km from the middle of the area, began a volume at 19:33 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, 7.5 hours before the alert went out and 67 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: 1527 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 62 m²/s²
0-3 km storm-relative helicity: 67 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

400 
WWUS81 KBUF 031932
SPSBUF

Special Weather Statement
National Weather Service Buffalo NY
332 PM EDT THU AUG 3 2017

NYZ002-003-011-032000-
Orleans-Genesee-Monroe-
332 PM EDT THU AUG 3 2017

...A STRONG THUNDERSTORM WILL AFFECT EASTERN ORLEANS...NORTHWESTERN
MONROE AND NORTHEASTERN GENESEE COUNTIES...

At 331 PM EDT, a strong thunderstorm was located near Holley, or 7
miles southeast of Albion, moving north at 20 mph.

Winds in excess of 30 mph and half inch hail are possible with this
storm.

Locations impacted include...
Brockport, Albion, Hamlin Beach State Park, Holley, Point Breeze,
Kent, Clarendon, Kendall, Fancher and Morton.

Heavy rainfall is also occurring with this storm, and may cause 
localized flooding. Do not drive your vehicle through flooded 
roadways.

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 4337 7789 4310 7798 4312 7817 4341 7821
      4342 7818
TIME...MOT...LOC 1931Z 189DEG 17KT 4317 7809 

$$

Welch

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 3, 12:22 PM EDT	Special Weather Statement	BUF	Lewis	38 min
Aug 3, 12:35 PM EDT	Severe Thunderstorm Warning	BUF	Lewis	32 min
Aug 3, 1:56 PM EDT	Special Weather Statement	BUF	Lewis	34 min
Aug 3, 2:42 PM EDT	Lakeshore Flood Warning	BUF	Cayuga, Jefferson, Monroe, Niagara, Orleans, Oswego and 1 more	61 hr
Aug 3, 4:40 PM EDT	Special Weather Statement	BUF	Erie	35 min
Aug 3, 5:08 PM EDT	Special Weather Statement	BUF	Livingston	37 min
Aug 3, 5:11 PM EDT	Special Weather Statement	BUF	Genesee	34 min
Aug 3, 5:29 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Genesee, Niagara, Orleans	46 min
Aug 3, 5:52 PM EDT	Special Weather Statement	BUF	Monroe	53 min
Aug 3, 6:00 PM EDT	Special Marine Warning	BUF		60 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.