Alert archive / New York / Special Weather Statements in 2021

Special Weather Statement, NWS Buffalo, NY

July 6, 2021Oswego County, New York

NWS Buffalo, NY issued this special weather statement at Jul 6, 2021, 2:42 AM EDT for Oswego County, New York. It was in force for 48 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: Jul 6, 2021, 2:42 AM EDT (06:42 UTC)
Expired: Jul 6, 2021, 3:30 AM EDT
In force: 48 min
Issued by: NWS Buffalo, NY

County Oswego County, NY

The radar

The Ft Drum radar (KTYX), 68 km from the middle of the area, began a volume at 06:44 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

Albany, NY (KALY), launched 00:00Z, 6.7 hours before the alert went out and 201 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: 768 J/kg
Mixed-layer CIN: -29 J/kg
Mixed-layer LCL: 1144 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: 228 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 3.7

Open this sounding in Storm Lab

The text

As transmitted.

622 
WWUS81 KBUF 060642
SPSBUF

Special Weather Statement
National Weather Service Buffalo NY
242 AM EDT Tue Jul 6 2021

NYZ006-060730-
Oswego-
242 AM EDT Tue Jul 6 2021

...A STRONG THUNDERSTORM WILL AFFECT SOUTHERN OSWEGO COUNTY...

At 241 AM EDT, a strong thunderstorm was located over Fulton, moving
east at 45 mph.

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

Locations impacted include...
Fulton, Central Square, Battle Island State Park, Hastings, Volney,
Constantia, West Monroe, Palermo, Phoenix, Minetto, Williamstown,
Cleveland, Parish, South Hannibal, Amboy Center, Pennellville,
Mallory, Gayville, Hinmansville and Granby Center.

This includes Interstate 81 between exits 32 and 33.
 
If outdoors, consider seeking shelter inside a building.

LAT...LON 4347 7582 4333 7589 4332 7586 4315 7588
      4320 7604 4320 7608 4323 7610 4327 7620
      4324 7621 4322 7619 4320 7622 4324 7627
      4321 7626 4320 7628 4323 7631 4323 7648
      4326 7648 4326 7655 4339 7655
TIME...MOT...LOC 0641Z 269DEG 37KT 4331 7643 
$$

Thomas

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 5, 9:12 PM EDT	Special Marine Warning	BUF		53 min
Jul 5, 9:25 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson	65 min
Jul 6, 12:26 AM EDT	Special Marine Warning	BUF		94 min
Jul 6, 1:53 AM EDT	Special Marine Warning	BUF		52 min
Jul 6, 1:54 AM EDT	Special Weather Statement	BUF	Oswego	66 min
Jul 6, 4:55 AM EDT	Small Craft Advisory	BUF		13 hr
Jul 6, 10:42 AM EDT	Special Weather Statement	BUF	Genesee	48 min
Jul 6, 10:51 AM EDT	Special Weather Statement	BUF	Chautauqua	39 min
Jul 6, 11:24 AM EDT	Special Weather Statement	BUF	Genesee	51 min
Jul 6, 11:32 AM EDT	Severe Thunderstorm Warning	BUF	Genesee, Livingston, Monroe, Ontario, Orleans	43 min
Jul 6, 11:55 AM EDT	Special Weather Statement	BUF	Monroe	35 min
Jul 6, 12:00 PM EDT	Severe Thunderstorm Warning	BUF	Monroe, Wayne	45 min
Jul 6, 12:03 PM EDT	Special Marine Warning	BUF		57 min
Jul 6, 12:21 PM EDT	Severe Thunderstorm Warning	BUF	Monroe, Ontario, Wayne	54 min
Jul 6, 12:29 PM EDT	Severe Thunderstorm Warning	BUF	Allegany	32 min
Jul 6, 12:42 PM EDT	Severe Thunderstorm Warning	BUF	Allegany	63 min
Jul 6, 12:48 PM EDT	Special Weather Statement	BUF	Niagara	57 min
Jul 6, 1:03 PM EDT	Special Weather Statement	BUF	Cayuga	27 min
Jul 6, 1:10 PM EDT	Special Weather Statement	BUF	Oswego	50 min
Jul 6, 1:36 PM EDT	Severe Thunderstorm Warning	BUF	Oswego	27 min
Jul 6, 1:48 PM EDT	Special Weather Statement	BUF	Erie	57 min
Jul 6, 2:16 PM EDT	Flash Flood Warning	BUF	Erie	3 hr
Jul 6, 3:52 PM EDT	Special Weather Statement	BUF	Monroe	23 min
Jul 6, 4:26 PM EDT	Special Weather Statement	BUF	Wayne	34 min
Jul 6, 4:52 PM EDT	Special Weather Statement	BUF	Erie	38 min
Jul 6, 6:55 PM EDT	Special Weather Statement	BUF	Erie	35 min
Jul 6, 7:29 PM EDT	Special Weather Statement	BUF	Wyoming	46 min

Nearby

Special Weather Statements in New York, 2021 Every special weather statement in 2021

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.