Alert archive / New York / Mesoscale Discussions in 2023
Mesoscale Discussion 2102
The Storm Prediction Center issued this mesoscale discussion at Sep 7, 2023, 7:51 PM EDT for 6 states. It was in force for 84 min.
The area
The outline as issued.
The facts
- Issued
- Sep 7, 2023, 7:51 PM EDT (23:51 UTC)
- Expired
- Sep 7, 2023, 9:15 PM EDT
- In force
- 84 min
- Issued by
- the Storm Prediction Center
- Concerning
- Severe thunderstorm watch 673
All 52 counties
New Castle County, DE, Berkshire County, MA, Anne Arundel County, MD, Baltimore County, MD, Calvert County, MD, Cecil County, MD, City of Baltimore, MD, Harford County, MD, Kent County, MD, Queen Anne's County, MD, Saint Mary's County, MD, Talbot County, MD, Bergen County, NJ, Essex County, NJ, Hunterdon County, NJ, Mercer County, NJ, Morris County, NJ, Passaic County, NJ, Somerset County, NJ, Sussex County, NJ, Union County, NJ, Warren County, NJ, Albany County, NY, Columbia County, NY, Dutchess County, NY, Fulton County, NY, Greene County, NY, Hamilton County, NY, Herkimer County, NY, Lewis County, NY, Montgomery County, NY, Oneida County, NY, Orange County, NY, Putnam County, NY, Rensselaer County, NY, Rockland County, NY, Saratoga County, NY, Schenectady County, NY, Schoharie County, NY, Sullivan County, NY, Ulster County, NY, Warren County, NY, Washington County, NY, Berks County, PA, Bucks County, PA, Chester County, PA, Delaware County, PA, Lancaster County, PA, Lehigh County, PA, Montgomery County, PA, Northampton County, PA, Philadelphia County, PA
The radar
The Binghamton radar (KBGM), 107 km from the middle of the area, began a volume at 23:54 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
Brookhaven, NY (KOKX), launched 12:00Z, 11.9 hours before the alert went out and 208 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
- 2039 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 1218 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- -7 m²/s²
- 0-3 km storm-relative helicity
- 15 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
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 |
|---|---|---|---|---|
| Sep 7, 11:58 AM EDT | Mesoscale Discussion | SPC | New Castle | 3 hr |
| Sep 7, 1:14 PM EDT | Severe Thunderstorm Watch | SPC | Anne Arundel, Baltimore, Calvert, Carroll, Cecil, Charles and 8 more | 8 hr |
| Sep 7, 3:06 PM EDT | Mesoscale Discussion | SPC | Baltimore, Carroll, Frederick, Howard, Montgomery | 84 min |
| Sep 7, 4:48 PM EDT | Mesoscale Discussion | SPC | Baltimore, Cecil, Harford | 87 min |
| Sep 7, 6:13 PM EDT | Mesoscale Discussion | SPC | Baltimore, Cecil, Harford, City of Baltimore | 92 min |
| Sep 7, 1:36 PM EDT | Mesoscale Discussion | SPC | Clinton, Essex, Franklin | 2 hr |
Nearby
Mesoscale Discussions in New York, 2023Mesoscale Discussions in Maryland, 2023Mesoscale Discussions in New Jersey, 2023Every mesoscale discussion in 2023
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.