Alert archive / New York / Mesoscale Discussions in 2011
Mesoscale Discussion 1047
The Storm Prediction Center issued this mesoscale discussion at Jun 1, 2011, 9:38 AM EDT for 27 counties in New York; 5 counties in Pennsylvania; 10 counties in Vermont. It was in force for 37 min.
The area
The outline as issued.
The facts
- Issued
- Jun 1, 2011, 9:38 AM EDT (13:38 UTC)
- Expired
- Jun 1, 2011, 10:15 AM EDT
- In force
- 37 min
- Issued by
- the Storm Prediction Center
All 42 counties
Allegany County, NY, Broome County, NY, Cayuga County, NY, Chemung County, NY, Chenango County, NY, Clinton County, NY, Cortland County, NY, Essex County, NY, Franklin County, NY, Fulton 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, Oswego County, NY, Otsego County, NY, Schuyler County, NY, Seneca County, NY, Steuben County, NY, Tioga County, NY, Tompkins County, NY, Warren County, NY, Yates County, NY, Bradford County, PA, Cameron County, PA, McKean County, PA, Potter County, PA, Tioga County, PA, Addison County, VT, Caledonia County, VT, Chittenden County, VT, Franklin County, VT, Grand Isle County, VT, Lamoille County, VT, Orange County, VT, Orleans County, VT, Rutland County, VT, Washington County, VT
The radar
The Ft Drum radar (KTYX), 64 km from the middle of the area, began a volume at 13:38 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, 1.6 hours before the alert went out and 131 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
- 2410 J/kg
- Mixed-layer CIN
- -130 J/kg
- Mixed-layer LCL
- 836 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 159 m²/s²
- 0-3 km storm-relative helicity
- 189 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.5
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 1, 5:58 AM EDT | Mesoscale Discussion | SPC | Albany, Broome, Chenango, Columbia, Delaware, Essex and 12 more | 2 hr |
| Jun 1, 10:02 AM EDT | Severe Thunderstorm Watch | SPC | Albany, Broome, Chemung, Chenango, Clinton, Columbia and 23 more | 7 hr |
| Jun 1, 12:26 PM EDT | Mesoscale Discussion | SPC | Albany, Bronx, Columbia, Dutchess, Greene, Kings and 11 more | 64 min |
| Jun 1, 12:58 PM EDT | Tornado Watch | SPC | Bronx, Kings, Nassau, New York, Orange, Putnam and 4 more | 7 hr |
| Jun 1, 4:17 PM EDT | Mesoscale Discussion | SPC | Dutchess, Putnam, Rockland, Westchester | 88 min |
| Jun 1, 7:09 PM EDT | Mesoscale Discussion | SPC | Bronx, Columbia, Dutchess, Kings, Nassau, New York and 8 more | 96 min |
Nearby
Mesoscale Discussions in New York, 2011Mesoscale Discussions in Vermont, 2011Mesoscale Discussions in Pennsylvania, 2011Every mesoscale discussion in 2011
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.