Alert archive / New York / Special Weather Statements in 2013

Special Weather Statement, NWS Buffalo, NY

July 17, 2013Jefferson County, New York

NWS Buffalo, NY issued this special weather statement at Jul 17, 2013, 6:44 PM EDT for Jefferson County, New York. It was in force for 61 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 17, 2013, 6:44 PM EDT (22:44 UTC)
Expired: Jul 17, 2013, 7:45 PM EDT
In force: 61 min
Issued by: NWS Buffalo, NY

County Jefferson County, NY

The radar

The Ft Drum radar (KTYX), 62 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

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 10.7 hours before the alert went out and 251 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: 1698 J/kg
Mixed-layer CIN: -55 J/kg
Mixed-layer LCL: 963 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 66 m²/s²
0-3 km storm-relative helicity: 86 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 Jul 17, 4:01 PM EDT, 2 hours 43 minutes earlier.

Area forecast discussion, Jul 17, 4:01 PM EDT, 2 hours 43 minutes before

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Hazardous weather outlook, Jul 17, 6:05 PM EDT, 39 minutes before

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In the hours before

Special weather statement, Jul 17, 3:54 PM EDT, 2 hours 50 minutes before

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Special weather statement, Jul 17, 6:44 PM EDT, 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
Jul 17, 1:29 PM EDT	Heat Advisory	BUF	Cayuga, Genesee, Livingston, Monroe, Niagara, Ontario and 3 more	5 hr
Jul 17, 3:44 PM EDT	Special Marine Warning	BUF		2 hr
Jul 17, 3:54 PM EDT	Special Weather Statement	BUF	Wayne	66 min
Jul 17, 4:18 PM EDT	Severe Thunderstorm Warning	BUF	Ontario, Wayne	57 min
Jul 17, 7:14 PM EDT	Special Weather Statement	BUF	Monroe, Orleans	61 min

Nearby

Special Weather Statements in New York, 2013 Every special weather statement in 2013

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.