Alert archive / New York / Mesoscale Discussions in 2017
Mesoscale Discussion 1333
The Storm Prediction Center issued this mesoscale discussion at Jul 17, 2017, 6:58 PM EDT for 7 states. It was in force for 62 min.
The area
The outline as issued.
The facts
- Issued
- Jul 17, 2017, 6:58 PM EDT (22:58 UTC)
- Expired
- Jul 17, 2017, 8:00 PM EDT
- In force
- 62 min
- Issued by
- the Storm Prediction Center
All 40 counties
Berkshire County, MA, Franklin County, MA, Hampshire County, MA, Franklin County, ME, Oxford County, ME, Somerset County, ME, Belknap County, NH, Carroll County, NH, Cheshire County, NH, Grafton County, NH, Merrimack County, NH, Sullivan County, NH, Hunterdon County, NJ, Morris County, NJ, Passaic County, NJ, Sussex County, NJ, Warren County, NJ, Albany County, NY, Columbia County, NY, Delaware County, NY, Dutchess County, NY, Greene County, NY, Orange County, NY, Putnam County, NY, Rensselaer County, NY, Rockland County, NY, Schenectady County, NY, Schoharie County, NY, Sullivan County, NY, Ulster County, NY, Carbon County, PA, Lackawanna County, PA, Luzerne County, PA, Monroe County, PA, Northampton County, PA, Pike County, PA, Wayne County, PA, Wyoming County, PA, Bennington County, VT, Windham County, VT
The radar
The Albany radar (KENX), 113 km from the middle of the area, began a volume at 22:59 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, 11.0 hours before the alert went out and 91 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
- 171 J/kg
- Mixed-layer CIN
- -165 J/kg
- Mixed-layer LCL
- 1038 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 79 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 12:14 PM EDT | Mesoscale Discussion | SPC | Berkshire | 2 hr |
| Jul 17, 12:48 PM EDT | Severe Thunderstorm Watch | SPC | Albany, Broome, Chemung, Chenango, Cortland, Delaware and 18 more | 7 hr |
| Jul 17, 3:37 PM EDT | Mesoscale Discussion | SPC | Albany, Broome, Cayuga, Chemung, Chenango, Cortland and 21 more | 53 min |
Nearby
Mesoscale Discussions in New York, 2017Mesoscale Discussions in Pennsylvania, 2017Mesoscale Discussions in New Hampshire, 2017Every mesoscale discussion in 2017
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.