Alert archive / New York / Mesoscale Discussions in 2007
Mesoscale Discussion 1769
The Storm Prediction Center issued this mesoscale discussion at Aug 16, 2007, 1:07 PM EDT for 33 counties in New York; 8 counties in Vermont. It was in force for 113 min.
The area
The outline as issued.
The facts
- Issued
- Aug 16, 2007, 1:07 PM EDT (17:07 UTC)
- Expired
- Aug 16, 2007, 3:00 PM EDT
- In force
- 113 min
- Issued by
- the Storm Prediction Center
All 41 counties
Albany County, NY, Cayuga County, NY, Chenango County, NY, Clinton County, NY, Cortland County, NY, Essex County, NY, Franklin County, NY, Fulton County, NY, Genesee County, NY, Hamilton County, NY, Herkimer County, NY, Jefferson County, NY, Lewis County, NY, Livingston County, NY, Madison County, NY, Monroe County, NY, Montgomery County, NY, Oneida County, NY, Onondaga County, NY, Ontario County, NY, Oswego County, NY, Otsego County, NY, Saratoga County, NY, Schenectady County, NY, Schoharie County, NY, Schuyler County, NY, Seneca County, NY, St. Lawrence County, NY, Tompkins County, NY, Warren County, NY, Washington County, NY, Wayne County, NY, Yates County, NY, Addison County, VT, Bennington County, VT, Chittenden County, VT, Franklin County, VT, Grand Isle County, VT, Lamoille County, VT, Rutland County, VT, Washington County, VT
The radar
The Ft Drum radar (KTYX), 34 km from the middle of the area, began a volume at 17:09 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, 5.1 hours before the alert went out and 167 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1347 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 83 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 6:04 PM EDT | Severe Thunderstorm Watch | SPC | Albany, Broome, Cayuga, Chemung, Chenango, Columbia and 23 more | 4 hr |
Nearby
Mesoscale Discussions in New York, 2007Mesoscale Discussions in Vermont, 2007Every mesoscale discussion in 2007
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.