Alert archive / Pennsylvania / Mesoscale Discussions in 2019
Mesoscale Discussion 36
The Storm Prediction Center issued this mesoscale discussion at Jan 19, 2019, 9:33 PM EST for 6 counties in New Jersey; 17 counties in New York; 44 counties in Pennsylvania. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- Jan 19, 2019, 9:33 PM EST (02:33 UTC)
- Expired
- Jan 20, 2019, 12:30 AM EST
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
All 67 counties
Bergen County, NJ, Essex County, NJ, Morris County, NJ, Passaic County, NJ, Sussex County, NJ, Warren County, NJ, Allegany County, NY, Bronx County, NY, Broome County, NY, Cattaraugus County, NY, Chautauqua County, NY, Chemung County, NY, Delaware County, NY, Orange County, NY, Putnam County, NY, Rockland County, NY, Schuyler County, NY, Steuben County, NY, Sullivan County, NY, Tioga County, NY, Tompkins County, NY, Ulster County, NY, Westchester County, NY, Berks County, PA, Blair County, PA, Bradford County, PA, Cambria County, PA, Cameron County, PA, Carbon County, PA, Centre County, PA, Clarion County, PA, Clearfield County, PA, Clinton County, PA, Columbia County, PA, Crawford County, PA, Cumberland County, PA, Dauphin County, PA, Elk County, PA, Forest County, PA, Huntingdon County, PA, Jefferson County, PA, Juniata County, PA, Lackawanna County, PA, Lebanon County, PA, Lehigh County, PA, Luzerne County, PA, Lycoming County, PA, McKean County, PA, Mercer County, PA, Mifflin County, PA, Monroe 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, Venango County, PA, Warren County, PA, Wayne County, PA, Wyoming County, PA
The radar
The State College radar (KCCX), 77 km from the middle of the area, began a volume at 02:36 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
Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 2.6 hours before the alert went out and 242 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
- 607 m above ground
- 0-6 km bulk shear
- 83 kt
- 0-1 km storm-relative helicity
- 666 m²/s²
- 0-3 km storm-relative helicity
- 698 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 20, 12:46 AM EST | Mesoscale Discussion | SPC | Cayuga, Clinton, Essex, Franklin, Fulton, Hamilton and 15 more | 4 hr |
| Jan 20, 6:42 AM EST | Mesoscale Discussion | SPC | Albany, Clinton, Columbia, Essex, Franklin, Hamilton and 6 more | 6 hr |
Nearby
Mesoscale Discussions in Pennsylvania, 2019Mesoscale Discussions in New York, 2019Mesoscale Discussions in New Jersey, 2019Every mesoscale discussion in 2019
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.