Alert archive / New York / Mesoscale Discussions in 2017
Mesoscale Discussion 1330
The Storm Prediction Center issued this mesoscale discussion at Jul 17, 2017, 3:37 PM EDT for 27 counties in New York; 8 counties in Pennsylvania; 12 counties in Vermont. It was in force for 53 min.
The area
The outline as issued.
The facts
- Issued
- Jul 17, 2017, 3:37 PM EDT (19:37 UTC)
- Expired
- Jul 17, 2017, 4:30 PM EDT
- In force
- 53 min
- Issued by
- the Storm Prediction Center
All 47 counties
Albany County, NY, Broome County, NY, Cayuga County, NY, Chemung County, NY, Chenango County, NY, Cortland County, NY, Delaware County, NY, Essex County, NY, Fulton County, NY, Greene County, NY, Hamilton County, NY, Herkimer County, NY, Madison County, NY, Montgomery County, NY, Oneida County, NY, Onondaga County, NY, Otsego County, NY, Rensselaer County, NY, Saratoga County, NY, Schenectady County, NY, Schoharie County, NY, Schuyler County, NY, Sullivan County, NY, Tioga County, NY, Tompkins County, NY, Warren County, NY, Washington County, NY, Bradford County, PA, Lackawanna County, PA, Luzerne County, PA, Sullivan County, PA, Susquehanna County, PA, Tioga County, PA, Wayne County, PA, Wyoming County, PA, Addison County, VT, Bennington County, VT, Caledonia County, VT, Chittenden County, VT, Essex County, VT, Lamoille County, VT, Orange County, VT, Orleans County, VT, Rutland County, VT, Washington County, VT, Windham County, VT, Windsor County, VT
The radar
The Albany radar (KENX), 64 km from the middle of the area, began a volume at 19:39 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, 7.6 hours before the alert went out and 75 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 | Albany, Broome, Chemung, Chenango, Columbia, Cortland and 25 more | 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, 6:58 PM EDT | Mesoscale Discussion | SPC | Albany, Columbia, Delaware, Dutchess, Greene, Orange and 7 more | 62 min |
Nearby
Mesoscale Discussions in New York, 2017Mesoscale Discussions in Vermont, 2017Mesoscale Discussions in Pennsylvania, 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.