Alert archive / New York / Mesoscale Discussions in 2004

Mesoscale Discussion 1667

July 14, 20049 counties in New York; Susquehanna County, Wayne County, Wyoming County, Pennsylvania

The Storm Prediction Center issued this mesoscale discussion at Jul 14, 2004, 3:16 PM EDT for 9 counties in New York; Susquehanna County, Wayne County, Wyoming County, Pennsylvania. It was in force for 89 min.

The area

The outline as issued.

The facts

Issued: Jul 14, 2004, 3:16 PM EDT (19:16 UTC)
Expired: Jul 14, 2004, 4:45 PM EDT
In force: 89 min
Issued by: the Storm Prediction Center

Counties Broome County, NY, Chenango County, NY, Cortland County, NY, Delaware County, NY, Madison County, NY, Otsego County, NY, Sullivan County, NY, Tioga County, NY, Tompkins County, NY, Susquehanna County, PA, Wayne County, PA, Wyoming County, PA

The radar

The Binghamton radar (KBGM), 30 km from the middle of the area, began a volume at 19:17 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 12:00Z, 7.3 hours before the alert went out and 155 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: 1 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 525 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 20 m²/s²
0-3 km storm-relative helicity: 21 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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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 14, 12:06 PM EDT	Mesoscale Discussion	SPC	Adams, Allegheny, Armstrong, Bedford, Blair, Butler and 35 more	2 hr
Jul 14, 1:15 PM EDT	Severe Thunderstorm Watch	SPC	Adams, Bedford, Berks, Blair, Carbon, Centre and 27 more	6 hr
Jul 14, 3:40 PM EDT	Mesoscale Discussion	SPC	Adams, Bedford, Berks, Blair, Carbon, Centre and 28 more	95 min

Nearby

Mesoscale Discussions in New York, 2004 Mesoscale Discussions in Pennsylvania, 2004 Every mesoscale discussion in 2004

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.