Alert archive / New York / Special Weather Statements in 2019

Special Weather Statement, NWS Buffalo, NY

August 6, 2019Niagara County, New York

NWS Buffalo, NY issued this special weather statement at Aug 6, 2019, 1:21 PM EDT for Niagara County, New York. It was in force for 54 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 6, 2019, 1:21 PM EDT (17:21 UTC)
Expired: Aug 6, 2019, 2:15 PM EDT
In force: 54 min
Issued by: NWS Buffalo, NY

County Niagara County, NY

The radar

The Buffalo radar (KBUF), 13 km from the middle of the area, began a volume at 17:21 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, 5.4 hours before the alert went out and 16 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: 2 J/kg
Mixed-layer CIN: -166 J/kg
Mixed-layer LCL: 1449 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 109 m²/s²
0-3 km storm-relative helicity: 142 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

460 
WWUS81 KBUF 061721
SPSBUF

Special Weather Statement
National Weather Service Buffalo NY
121 PM EDT Tue Aug 6 2019

NYZ001-010-061815-
Niagara-Northern Erie-
121 PM EDT Tue Aug 6 2019

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN ERIE AND NIAGARA
COUNTIES...

At 121 PM EDT, a strong thunderstorm was located over Grand Island,
or near Tonawanda, moving east at 40 mph.

Wind gusts up to 50 mph are possible with this storm.

Locations impacted include...
Buffalo, Cheektowaga, North Tonawanda, Clarence, Lockport, Kenmore,
Depew, Tonawanda, Amherst, Lancaster, Williamsville, Grand Island,
Pendleton, Akron, Erie Basin Marina, Lewiston, Middleport, Sanborn,
Clarence Center and Cambria Center.

This includes Interstate 90 between exits 52 and 49.
 
LAT...LON 4318 7905 4330 7848 4292 7847 4287 7892
      4291 7890 4293 7891 4296 7893 4296 7896
TIME...MOT...LOC 1721Z 261DEG 36KT 4302 7893 
$$

TMA

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 6, 12:09 PM EDT	Special Marine Warning	BUF		66 min
Aug 6, 12:18 PM EDT	Special Weather Statement	BUF	Orleans	42 min
Aug 6, 12:37 PM EDT	Special Marine Warning	BUF		53 min
Aug 6, 1:09 PM EDT	Special Marine Warning	BUF		36 min
Aug 6, 1:22 PM EDT	Special Marine Warning	BUF		83 min
Aug 6, 1:31 PM EDT	Special Weather Statement	BUF	Wayne	44 min
Aug 6, 1:53 PM EDT	Special Marine Warning	BUF		37 min
Aug 6, 1:59 PM EDT	Special Weather Statement	BUF	Cayuga	61 min
Aug 6, 2:01 PM EDT	Special Marine Warning	BUF		89 min
Aug 6, 2:24 PM EDT	Special Weather Statement	BUF	Ontario	36 min
Aug 6, 3:03 PM EDT	Special Weather Statement	BUF	Ontario	27 min
Aug 6, 3:10 PM EDT	Special Weather Statement	BUF	Jefferson	35 min
Aug 6, 3:34 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Lewis, Oswego	41 min
Aug 6, 3:50 PM EDT	Special Marine Warning	BUF		85 min
Aug 6, 3:52 PM EDT	Special Weather Statement	BUF	Wyoming	38 min
Aug 6, 4:00 PM EDT	Special Marine Warning	BUF		90 min
Aug 6, 4:08 PM EDT	Special Weather Statement	BUF	Chautauqua	37 min
Aug 6, 4:18 PM EDT	Special Weather Statement	BUF	Allegany	42 min
Aug 6, 4:33 PM EDT	Special Marine Warning	BUF		57 min
Aug 6, 4:43 PM EDT	Special Weather Statement	BUF	Chautauqua	32 min
Aug 6, 5:01 PM EDT	Special Weather Statement	BUF	Erie	59 min
Aug 6, 5:17 PM EDT	Special Marine Warning	BUF		58 min
Aug 6, 5:24 PM EDT	Special Weather Statement	BUF	Erie	36 min
Aug 6, 5:28 PM EDT	Special Marine Warning	BUF		62 min
Aug 6, 5:36 PM EDT	Special Weather Statement	BUF	Erie, Wyoming	39 min
Aug 6, 5:44 PM EDT	Special Weather Statement	BUF	Niagara	61 min
Aug 6, 5:57 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Niagara	63 min
Aug 6, 6:10 PM EDT	Special Marine Warning	BUF		95 min
Aug 6, 6:22 PM EDT	Special Marine Warning	BUF		83 min
Aug 6, 6:53 PM EDT	Special Weather Statement	BUF	Niagara	67 min

Nearby

Special Weather Statements in New York, 2019 Every special weather statement in 2019

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.