Alert archive / New York / Mesoscale Discussions in 2009
Mesoscale Discussion 1341
The Storm Prediction Center issued this mesoscale discussion at Jun 26, 2009, 6:29 PM EDT for 28 counties in New York; 13 counties in Pennsylvania. It was in force for 61 min.
The area
The outline as issued.
The facts
- Issued
- Jun 26, 2009, 6:29 PM EDT (22:29 UTC)
- Expired
- Jun 26, 2009, 7:30 PM EDT
- In force
- 61 min
- Issued by
- the Storm Prediction Center
All 41 counties
Broome County, NY, Cayuga County, NY, Chemung County, NY, Chenango County, NY, Cortland County, NY, Delaware County, NY, Fulton County, NY, Hamilton County, NY, Herkimer County, NY, Jefferson 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, Saratoga County, NY, Schoharie County, NY, Schuyler County, NY, Seneca County, NY, Steuben County, NY, Tioga County, NY, Tompkins County, NY, Warren County, NY, Wayne County, NY, Yates County, NY, Bradford County, PA, Cameron County, PA, Clinton County, PA, Columbia County, PA, Lackawanna County, PA, Luzerne County, PA, Lycoming County, PA, Potter County, PA, Sullivan County, PA, Susquehanna County, PA, Tioga County, PA, Wayne County, PA, Wyoming County, PA
The radar
The Binghamton radar (KBGM), 70 km from the middle of the area, began a volume at 22:32 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, 10.5 hours before the alert went out and 188 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
- 193 J/kg
- Mixed-layer CIN
- -119 J/kg
- Mixed-layer LCL
- 948 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 61 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 25, 8:21 PM EDT | Mesoscale Discussion | SPC | Albany, Columbia, Dutchess, Greene, Orange, Rensselaer and 3 more | 54 min |
| Jun 26, 12:06 PM EDT | Mesoscale Discussion | SPC | Broome, Cayuga, Chemung, Chenango, Clinton, Cortland and 28 more | 54 min |
| Jun 26, 12:13 PM EDT | Severe Thunderstorm Watch | SPC | Clinton, Essex, Franklin, St. Lawrence | 8 hr |
| Jun 26, 12:32 PM EDT | Severe Thunderstorm Watch | SPC | Albany, Allegany, Broome, Cayuga, Chemung, Chenango and 31 more | 6 hr |
| Jun 26, 2:19 PM EDT | Mesoscale Discussion | SPC | Bronx, Dutchess, Kings, New York, Orange, Putnam and 3 more | 56 min |
| Jun 26, 2:42 PM EDT | Severe Thunderstorm Watch | SPC | Bronx, Kings, Nassau, New York, Orange, Putnam and 5 more | 7 hr |
| Jun 26, 7:33 PM EDT | Mesoscale Discussion | SPC | Bronx, Kings, Nassau, New York, Queens, Richmond and 3 more | 57 min |
Nearby
Mesoscale Discussions in New York, 2009Mesoscale Discussions in Pennsylvania, 2009Every mesoscale discussion in 2009
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.