Alert archive / New York / Mesoscale Discussions in 2013
Mesoscale Discussion 853
The Storm Prediction Center issued this mesoscale discussion at May 29, 2013, 11:38 AM EDT for 5 states. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- May 29, 2013, 11:38 AM EDT (15:38 UTC)
- Expired
- May 29, 2013, 1:45 PM EDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 60%
All 74 counties
Berkshire County, MA, Franklin County, MA, Hampden County, MA, Hampshire County, MA, Sussex County, NJ, Albany County, NY, Allegany County, NY, Broome County, NY, Cattaraugus County, NY, Cayuga County, NY, Chautauqua County, NY, Chemung County, NY, Chenango County, NY, Columbia County, NY, Cortland County, NY, Delaware County, NY, Dutchess County, NY, Erie County, NY, Fulton County, NY, Genesee County, NY, Greene County, NY, Herkimer County, NY, Livingston County, NY, Madison County, NY, Monroe County, NY, Montgomery County, NY, Oneida County, NY, Onondaga County, NY, Ontario County, NY, Orange County, NY, Oswego County, NY, Otsego County, NY, Putnam County, NY, Rensselaer County, NY, Saratoga County, NY, Schenectady County, NY, Schoharie County, NY, Schuyler County, NY, Seneca County, NY, Steuben County, NY, Sullivan County, NY, Tioga County, NY, Tompkins County, NY, Ulster County, NY, Wayne County, NY, Wyoming County, NY, Yates County, NY, Bradford County, PA, Cameron County, PA, Centre County, PA, Clarion County, PA, Clearfield County, PA, Clinton County, PA, Columbia County, PA, Elk County, PA, Forest County, PA, Jefferson County, PA, Lackawanna County, PA, Luzerne County, PA, Lycoming County, PA, McKean County, PA, Monroe County, PA, Montour County, PA, Pike County, PA, Potter County, PA, Sullivan County, PA, Susquehanna County, PA, Tioga County, PA, Union County, PA, Warren County, PA, Wayne County, PA, Wyoming County, PA, Bennington County, VT, Windham County, VT
The radar
The Binghamton radar (KBGM), 73 km from the middle of the area, began a volume at 15:44 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 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, 3.6 hours before the alert went out and 251 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 511 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 144 m²/s²
- 0-3 km storm-relative helicity
- 96 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 |
|---|---|---|---|---|
| May 29, 3:19 PM EDT | Severe Thunderstorm Watch | SPC | Northwest Hills Planning Region | 8 hr |
| May 29, 6:56 PM EDT | Severe Thunderstorm Watch | SPC | Capitol Planning Region, Northeastern Connecticut Planning Region | 4 hr |
| May 29, 5:56 PM EDT | Mesoscale Discussion | SPC | Albany, Broome, Cayuga, Chemung, Chenango, Columbia and 25 more | 64 min |
| May 28, 8:42 PM EDT | Mesoscale Discussion | SPC | Cameron, Centre, Clarion, Clearfield, Clinton, Crawford and 8 more | 93 min |
Nearby
Mesoscale Discussions in New York, 2013Mesoscale Discussions in Pennsylvania, 2013Mesoscale Discussions in Massachusetts, 2013Every mesoscale discussion in 2013
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.