Alert archive / New York / Special Weather Statements in 2020

Special Weather Statement, NWS Buffalo, NY

December 25, 2020Chautauqua County, Wyoming County, New York

NWS Buffalo, NY issued this special weather statement at Dec 25, 2020, 5:45 PM EST for Chautauqua County, Wyoming County, New York. It was in force for 105 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: Dec 25, 2020, 5:45 PM EST (22:45 UTC)
Expired: Dec 25, 2020, 7:30 PM EST
In force: 105 min
Issued by: NWS Buffalo, NY

Counties Chautauqua County, NY, Wyoming County, NY

The radar

The Buffalo radar (KBUF), 55 km from the middle of the area, began a volume at 22:47 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, 10.8 hours before the alert went out and 249 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: 633 m above ground
0-6 km bulk shear: 123 kt
0-1 km storm-relative helicity: -133 m²/s²
0-3 km storm-relative helicity: 147 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Dec 25, 3:26 PM EST, 2 hours 19 minutes earlier.

Area forecast discussion, Dec 25, 3:26 PM EST, 2 hours 19 minutes before

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Hazardous weather outlook, Dec 25, 9:46 AM EST, 7 hours 59 minutes before

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In the hours before

Local storm report, Dec 25, 12:53 PM EST, 4 hours 52 minutes before

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Local storm report, Dec 25, 1:16 PM EST, 4 hours 29 minutes before

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Local storm report, Dec 25, 2:40 PM EST, 3 hours 5 minutes before

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Local storm report, Dec 25, 2:43 PM EST, 3 hours 2 minutes before

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Special weather statement, Dec 25, 4:25 PM EST, 1 hour 20 minutes before

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Special weather statement, Dec 25, 5:45 PM EST, 0 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
Dec 25, 3:27 AM EST	Gale Warning	BUF		33 hr
Dec 25, 4:25 PM EST	Special Weather Statement	BUF	Chautauqua	80 min

Nearby

Special Weather Statements in New York, 2020 Every special weather statement in 2020

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.