Alert archive / New York / Mesoscale Discussions in 2011
Mesoscale Discussion 1750
The Storm Prediction Center issued this mesoscale discussion at Jul 26, 2011, 3:39 PM EDT for 5 states. It was in force for 66 min.
The area
The outline as issued.
The facts
- Issued
- Jul 26, 2011, 3:39 PM EDT (19:39 UTC)
- Expired
- Jul 26, 2011, 4:45 PM EDT
- In force
- 66 min
- Issued by
- the Storm Prediction Center
All 52 counties
Berkshire County, MA, Coos County, NH, Grafton County, NH, Albany County, NY, Broome County, NY, Chemung County, NY, Chenango County, NY, Clinton County, NY, Columbia County, NY, Cortland County, NY, Delaware County, NY, Essex County, NY, Franklin 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, Otsego County, NY, Rensselaer County, NY, Saratoga County, NY, Schenectady County, NY, Schoharie County, NY, Schuyler County, NY, St. Lawrence County, NY, Sullivan County, NY, Tioga County, NY, Tompkins County, NY, Ulster County, NY, Warren County, NY, Washington County, NY, Bradford County, PA, Susquehanna County, PA, Tioga County, PA, Addison County, VT, Bennington County, VT, Caledonia County, VT, Chittenden County, VT, Essex County, VT, Franklin County, VT, Grand Isle 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 Ft Drum radar (KTYX), 109 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, 7.7 hours before the alert went out and 119 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
- 72 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 611 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 36 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 |
|---|---|---|---|---|
| Jul 26, 11:05 AM EDT | Mesoscale Discussion | SPC | Berkshire, Franklin, Hampden, Hampshire, Worcester | 55 min |
| Jul 26, 11:28 AM EDT | Severe Thunderstorm Watch | SPC | Berkshire | 8 hr |
| Jul 26, 1:34 PM EDT | Mesoscale Discussion | SPC | Berkshire, Franklin, Hampden, Hampshire, Middlesex, Worcester | 86 min |
| Jul 26, 2:30 PM EDT | Severe Thunderstorm Watch | SPC | Bristol, Essex, Franklin, Hampden, Hampshire, Middlesex and 4 more | 8 hr |
| Jul 26, 6:17 PM EDT | Mesoscale Discussion | SPC | Berkshire, Bristol, Essex, Franklin, Hampden, Hampshire and 5 more | 58 min |
| Jul 26, 5:24 PM EDT | Mesoscale Discussion | SPC | Bronx, Kings, Nassau, New York, Queens, Richmond and 2 more | 66 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.