Alert archive / New York / Mesoscale Discussions in 2008
Mesoscale Discussion 1815
The Storm Prediction Center issued this mesoscale discussion at Jul 19, 2008, 4:44 PM EDT for 5 states. It was in force for 91 min.
The area
The outline as issued.
The facts
- Issued
- Jul 19, 2008, 4:44 PM EDT (20:44 UTC)
- Expired
- Jul 19, 2008, 6:15 PM EDT
- In force
- 91 min
- Issued by
- the Storm Prediction Center
All 46 counties
Berkshire County, MA, Franklin County, MA, Hampden County, MA, Hampshire County, MA, Middlesex County, MA, Worcester County, MA, Cumberland County, ME, York County, ME, Belknap County, NH, Carroll County, NH, Cheshire County, NH, Grafton County, NH, Hillsborough County, NH, Merrimack County, NH, Rockingham County, NH, Strafford County, NH, Sullivan County, NH, Albany County, NY, Broome County, NY, Chenango County, NY, Columbia County, NY, Cortland County, NY, Delaware County, NY, Dutchess 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, Otsego County, NY, Rensselaer County, NY, Saratoga County, NY, Schenectady County, NY, Schoharie County, NY, Ulster County, NY, Warren County, NY, Washington County, NY, Addison County, VT, Bennington County, VT, Orange County, VT, Rutland County, VT, Windham County, VT, Windsor County, VT
The radar
The Albany radar (KENX), 103 km from the middle of the area, began a volume at 20:44 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, 8.7 hours before the alert went out and 81 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
- 543 J/kg
- Mixed-layer CIN
- -80 J/kg
- Mixed-layer LCL
- 1099 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 118 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
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 |
|---|---|---|---|---|
| Jul 19, 1:26 PM EDT | Severe Thunderstorm Watch | SPC | Capitol Planning Region, Northwest Hills Planning Region, Northeastern Connecticut Planning Region | 7 hr |
| Jul 19, 12:04 PM EDT | Mesoscale Discussion | SPC | Oxford | 116 min |
| Jul 19, 6:42 PM EDT | Mesoscale Discussion | SPC | Piscataquis | 63 min |
Nearby
Mesoscale Discussions in New York, 2008Mesoscale Discussions in New Hampshire, 2008Mesoscale Discussions in Massachusetts, 2008Every mesoscale discussion in 2008
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.