Alert archive / Pennsylvania / Mesoscale Discussions in 2008

Mesoscale Discussion 1828

July 20, 20085 states

The Storm Prediction Center issued this mesoscale discussion at Jul 20, 2008, 4:28 PM EDT for 5 states. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Jul 20, 2008, 4:28 PM EDT (20:28 UTC)
Expired: Jul 20, 2008, 6:30 PM EDT
In force: 2 hr
Issued by: the Storm Prediction Center

All 66 counties

Berkshire County, MA, Franklin County, MA, Hampshire County, MA, Middlesex County, MA, Worcester County, MA, Cheshire County, NH, Hillsborough County, NH, Merrimack County, NH, Rockingham County, NH, Sullivan County, NH, Albany County, NY, Broome County, NY, Chemung County, NY, Chenango County, NY, Columbia County, NY, Cortland County, NY, Delaware County, NY, Fulton County, NY, Greene County, NY, Madison County, NY, Montgomery County, NY, Otsego County, NY, Rensselaer County, NY, Saratoga County, NY, Schenectady County, NY, Schoharie County, NY, Sullivan County, NY, Tioga County, NY, Tompkins County, NY, Ulster County, NY, Washington County, NY, Adams County, PA, Bedford County, PA, Blair County, PA, Bradford County, PA, Cambria County, PA, Centre 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, Luzerne County, PA, Lycoming County, PA, Mifflin County, PA, Montour County, PA, Northumberland County, PA, Perry County, PA, Schuylkill County, PA, Snyder County, PA, Somerset County, PA, Sullivan County, PA, Susquehanna County, PA, Tioga County, PA, Union County, PA, Wayne County, PA, Wyoming County, PA, York County, PA, Bennington County, VT, Windham County, VT

The radar

The Binghamton radar (KBGM), 94 km from the middle of the area, began a volume at 20:27 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 text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 20, 12:53 PM EDT	Mesoscale Discussion	SPC	Berkshire, Franklin, Hampden, Hampshire, Worcester	2 hr
Jul 20, 2:11 PM EDT	Severe Thunderstorm Watch	SPC	Berkshire, Essex, Franklin, Hampden, Hampshire, Middlesex and 3 more	8 hr
Jul 20, 7:27 PM EDT	Mesoscale Discussion	SPC	Berkshire, Essex, Franklin, Hampden, Hampshire, Middlesex and 3 more	63 min
Jul 20, 12:35 PM EDT	Severe Thunderstorm Watch	SPC	Allegany, Cattaraugus, Chautauqua, Chemung, Erie, Genesee and 7 more	7 hr
Jul 20, 11:29 AM EDT	Mesoscale Discussion	SPC	Allegheny, Armstrong, Beaver, Butler, Clarion, Crawford and 8 more	61 min

Nearby

Mesoscale Discussions in Pennsylvania, 2008 Mesoscale Discussions in New York, 2008 Mesoscale Discussions in Massachusetts, 2008 Every 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; radar from the NEXRAD Level II archive.