Alert archive / New York / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 21, NWS Buffalo, NY

July 6, 2023Erie County, Niagara County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jul 6, 2023, 6:08 PM EDT for Erie County, Niagara County, New York. It was in force for 37 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 6, 2023, 6:08 PM EDT (22:08 UTC)
Expired: Jul 6, 2023, 6:45 PM EDT
In force: 37 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Erie County, NY, Niagara County, NY

The radar

The Buffalo radar (KBUF), 2 km from the middle of the area, began a volume at 22:12 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

Pittsburgh, PA (KPIT), launched 12:00Z, 10.1 hours before the alert went out and 306 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: 95 J/kg
Mixed-layer CIN: -62 J/kg
Mixed-layer LCL: 1520 m above ground
0-6 km bulk shear: 4 kt
0-1 km storm-relative helicity: 11 m²/s²
0-3 km storm-relative helicity: -2 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Buffalo, NY wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 6, 2:46 PM EDT, 3 hours 22 minutes earlier.

Area forecast discussion, Jul 6, 2:46 PM EDT, 3 hours 22 minutes before

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Hazardous weather outlook, Jul 6, 4:06 AM EDT, 14 hours 2 minutes before

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In the hours before

Special weather statement, Jul 6, 4:10 PM EDT, 1 hour 58 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 6, 4:10 PM EDT	Special Weather Statement	BUF	Chautauqua	35 min
Jul 6, 6:04 PM EDT	Special Marine Warning	BUF		41 min

Nearby

Severe Thunderstorm Warnings in New York, 2023 Every severe thunderstorm warning in 2023

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.