Alert archive / New York / Mesoscale Discussions in 2014
Mesoscale Discussion 99
The Storm Prediction Center issued this mesoscale discussion at Feb 13, 2014, 8:00 AM EST for 10 states. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 13, 2014, 8:00 AM EST (13:00 UTC)
- Expired
- Feb 13, 2014, 1:00 PM EST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 82 counties
Berkshire County, MA, Essex County, MA, Franklin County, MA, Hampden County, MA, Hampshire County, MA, Middlesex County, MA, Norfolk County, MA, Suffolk County, MA, Worcester County, MA, Baltimore County, MD, Carroll County, MD, City of Baltimore, MD, Frederick County, MD, Harford County, MD, Howard County, MD, Montgomery County, MD, Prince George's County, MD, York County, ME, Cheshire County, NH, Hillsborough County, NH, Merrimack County, NH, Rockingham County, NH, Strafford County, NH, Bergen County, NJ, Essex County, NJ, Hudson County, NJ, Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Morris County, NJ, Passaic County, NJ, Somerset County, NJ, Sussex County, NJ, Union County, NJ, Warren County, NJ, Albany County, NY, Bronx County, NY, Columbia County, NY, Delaware County, NY, Dutchess County, NY, Greene County, NY, Kings County, NY, Nassau County, NY, New York County, NY, Orange County, NY, Putnam County, NY, Queens County, NY, Rensselaer County, NY, Richmond County, NY, Rockland County, NY, Suffolk County, NY, Sullivan County, NY, Ulster County, NY, Westchester County, NY, Adams County, PA, Berks County, PA, Bucks County, PA, Carbon County, PA, Chester County, PA, Delaware County, PA, Lackawanna County, PA, Lancaster County, PA, Lebanon County, PA, Lehigh County, PA, Monroe County, PA, Montgomery County, PA, Northampton County, PA, Philadelphia County, PA, Pike County, PA, Schuylkill County, PA, Wayne County, PA, York County, PA, Bristol County, RI, Kent County, RI, Providence County, RI, Arlington County, VA, City of Alexandria, VA, City of Fairfax, VA, City of Falls Church, VA, Loudoun County, VA, Windham County, VT
The radar
The Brookhaven radar (KOKX), 106 km from the middle of the area, began a volume at 13:04 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, 1.0 hours before the alert went out and 150 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
- 518 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 169 m²/s²
- 0-3 km storm-relative helicity
- 245 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 |
|---|---|---|---|---|
| Feb 13, 1:23 PM EST | Mesoscale Discussion | SPC | 5 hr | |
| Feb 13, 3:27 PM EST | Mesoscale Discussion | SPC | Androscoggin, Cumberland, Hancock, Kennebec, Lincoln, Oxford and 4 more | 4 hr |
| Feb 13, 12:17 AM EST | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Carroll, Cecil, Charles, Frederick and 7 more | 5 hr |
| Feb 13, 1:43 PM EST | Mesoscale Discussion | SPC | Anne Arundel, Calvert, Caroline, Charles, Dorchester, Prince George's and 4 more | 5 hr |
| Feb 12, 7:40 PM EST | Mesoscale Discussion | SPC | Mecklenburg | 6 hr |
| Feb 13, 8:51 AM EST | Mesoscale Discussion | SPC | Campbell, Charlotte, Franklin, Halifax, Henry, Patrick and 4 more | 5 hr |
Nearby
Mesoscale Discussions in New York, 2014Mesoscale Discussions in Pennsylvania, 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.