Alert archive / New York / Special Weather Statements in 2015

Special Weather Statement, NWS Buffalo, NY

February 18, 2015Niagara County, Orleans County, New York

NWS Buffalo, NY issued this special weather statement at Feb 18, 2015, 7:30 PM EST for Niagara County, Orleans County, New York. It was in force for 90 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: Feb 18, 2015, 7:30 PM EST (00:30 UTC)
Expired: Feb 18, 2015, 9:00 PM EST
In force: 90 min
Issued by: NWS Buffalo, NY

Counties Niagara County, NY, Orleans County, NY

The radar

The Buffalo radar (KBUF), 26 km from the middle of the area, began a volume at 00:33 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

Pittsburgh, PA (KAGC), launched 00:00Z, 0.5 hours before the alert went out and 323 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: 951 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: -1 m²/s²
0-3 km storm-relative helicity: 13 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 Feb 18, 6:49 PM EST, 41 minutes earlier.

Area forecast discussion, Feb 18, 6:49 PM EST, 41 minutes before

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Hazardous weather outlook, Feb 18, 4:28 AM EST, 15 hours 2 minutes before

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In the hours before

Special weather statement, Feb 18, 4:17 PM EST, 3 hours 13 minutes before

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Special weather statement, Feb 18, 5:59 PM EST, 1 hour 31 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
Feb 18, 7:41 PM EST	Special Weather Statement	BUF	Niagara, Orleans	79 min
Feb 18, 9:10 PM EST	Special Weather Statement	BUF	Genesee, Niagara, Orleans	65 min

Nearby

Special Weather Statements in New York, 2015 Every special weather statement in 2015

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.