Alert archive / New York / Mesoscale Discussions in 2015
Mesoscale Discussion 992
The Storm Prediction Center issued this mesoscale discussion at Jun 12, 2015, 6:22 PM EDT for Berkshire County, Massachusetts; 35 counties in New York; Bennington County, Rutland County, Vermont. It was in force for 83 min.
The area
The outline as issued.
The facts
- Issued
- Jun 12, 2015, 6:22 PM EDT (22:22 UTC)
- Expired
- Jun 12, 2015, 7:45 PM EDT
- In force
- 83 min
- Issued by
- the Storm Prediction Center
All 38 counties
Berkshire County, MA, Albany County, NY, Broome County, NY, Cayuga County, NY, Chemung County, NY, Chenango County, NY, Columbia County, NY, Cortland County, NY, Delaware County, NY, Dutchess County, NY, Fulton County, NY, Greene County, NY, Hamilton County, NY, Herkimer County, NY, Lewis County, NY, Madison County, NY, Montgomery County, NY, Oneida County, NY, Onondaga County, NY, Ontario County, NY, Otsego County, NY, Putnam County, NY, Rensselaer County, NY, Saratoga County, NY, Schenectady County, NY, Schoharie County, NY, Schuyler County, NY, Seneca County, NY, Steuben County, NY, Sullivan County, NY, Tioga County, NY, Tompkins County, NY, Ulster County, NY, Warren County, NY, Washington County, NY, Yates County, NY, Bennington County, VT, Rutland County, VT
The radar
The Binghamton radar (KBGM), 81 km from the middle of the area, began a volume at 22:23 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 watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 10.4 hours before the alert went out and 117 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
- 1641 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- -29 m²/s²
- 0-3 km storm-relative helicity
- 29 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 |
|---|---|---|---|---|
| Jun 12, 3:07 PM EDT | Tornado Watch | SPC | Berkshire | 8 hr |
| Jun 12, 1:26 PM EDT | Mesoscale Discussion | SPC | Allegany, Cattaraugus, Cayuga, Chautauqua, Cortland, Erie and 17 more | 64 min |
| Jun 12, 2:54 PM EDT | Severe Thunderstorm Watch | SPC | Allegany, Cattaraugus, Chautauqua, Erie, Genesee, Jefferson and 7 more | 6 hr |
| Jun 12, 7:25 PM EDT | Severe Thunderstorm Watch | SPC | Broome, Chenango, Delaware, Otsego, Sullivan, Tioga | 4 hr |
Nearby
Mesoscale Discussions in New York, 2015Mesoscale Discussions in Vermont, 2015Mesoscale Discussions in Connecticut, 2015Every mesoscale discussion in 2015
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.