Alert archive / Pennsylvania / Mesoscale Discussions in 2014
Mesoscale Discussion 1252
The Storm Prediction Center issued this mesoscale discussion at Jul 2, 2014, 10:28 AM EDT for 5 states. It was in force for 62 min.
The area
The outline as issued.
The facts
- Issued
- Jul 2, 2014, 10:28 AM EDT (14:28 UTC)
- Expired
- Jul 2, 2014, 11:30 AM EDT
- In force
- 62 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 80%
All 84 counties
Berkshire County, MA, Hunterdon County, NJ, Morris County, NJ, Passaic County, NJ, Sussex County, NJ, Warren County, NJ, Albany County, NY, Broome County, NY, Chemung 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, Onondaga County, NY, Orange County, NY, Otsego County, NY, Putnam County, NY, Rensselaer County, NY, Rockland County, NY, Saratoga County, NY, Schenectady County, NY, Schoharie County, NY, Schuyler County, NY, Sullivan County, NY, Tioga County, NY, Tompkins County, NY, Ulster County, NY, Warren County, NY, Washington County, NY, Adams County, PA, Berks County, PA, Blair County, PA, Bradford County, PA, Bucks County, PA, Cameron County, PA, Carbon County, PA, Centre County, PA, Chester County, PA, Clinton County, PA, Columbia County, PA, Cumberland County, PA, Dauphin County, PA, Franklin County, PA, Fulton County, PA, Huntingdon County, PA, Juniata County, PA, Lackawanna County, PA, Lancaster County, PA, Lebanon County, PA, Lehigh County, PA, Luzerne County, PA, Lycoming County, PA, Mifflin County, PA, Monroe County, PA, Montgomery County, PA, Montour County, PA, Northampton County, PA, Northumberland County, PA, Perry County, PA, Pike County, PA, Potter County, PA, Schuylkill County, PA, Snyder County, PA, Sullivan County, PA, Susquehanna County, PA, Tioga County, PA, Union County, PA, Wayne County, PA, Wyoming County, PA, York County, PA, Addison County, VT, Bennington County, VT, Rutland County, VT, Windham County, VT, Windsor County, VT
The radar
The Binghamton radar (KBGM), 43 km from the middle of the area, began a volume at 14:28 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, 2.5 hours before the alert went out and 159 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
- 1263 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 897 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 48 m²/s²
- 0-3 km storm-relative helicity
- 85 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.1
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 2, 11:14 AM EDT | Severe Thunderstorm Watch | SPC | Northwest Hills Planning Region | 8 hr |
| Jul 2, 12:45 PM EDT | Mesoscale Discussion | SPC | 60 min | |
| Jul 2, 1:22 PM EDT | Severe Thunderstorm Watch | SPC | Greater Bridgeport Planning Region, Capitol Planning Region, Naugatuck Valley Planning Region, Northeastern Connecticut Planning Region | 9 hr |
| Jul 2, 4:27 PM EDT | Mesoscale Discussion | SPC | 93 min | |
| Jul 2, 12:47 AM EDT | Mesoscale Discussion | SPC | Allegany, Livingston, Ontario, Schuyler, Seneca, Steuben and 1 more | 58 min |
Nearby
Mesoscale Discussions in Pennsylvania, 2014Mesoscale Discussions in New York, 2014Mesoscale Discussions in New Jersey, 2014Every mesoscale discussion in 2014
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.