Alert archive / Maryland / Mesoscale Discussions in 2008
Mesoscale Discussion 355
The Storm Prediction Center issued this mesoscale discussion at Mar 5, 2008, 12:23 AM EST for 5 states. It was in force for 67 min.
The area
The outline as issued.
The facts
- Issued
- Mar 5, 2008, 12:23 AM EST (05:23 UTC)
- Expired
- Mar 5, 2008, 1:30 AM EST
- In force
- 67 min
- Issued by
- the Storm Prediction Center
All 24 counties
Kent County, DE, New Castle County, DE, Sussex County, DE, Caroline County, MD, Cecil County, MD, Dorchester County, MD, Kent County, MD, Queen Anne's County, MD, Saint Mary's County, MD, Somerset County, MD, Talbot County, MD, Wicomico County, MD, Worcester County, MD, Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cape May County, NJ, Cumberland County, NJ, Gloucester County, NJ, Salem County, NJ, Chester County, PA, Delaware County, PA, Philadelphia County, PA, Accomack County, VA
The radar
The Dover AFB radar (KDOX), 28 km from the middle of the area, began a volume at 05:23 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
Wallops Is Stn, VA (KWAL), launched 00:00Z, 5.4 hours before the alert went out and 101 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
- 11 J/kg
- Mixed-layer CIN
- -168 J/kg
- Mixed-layer LCL
- 592 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 187 m²/s²
- 0-3 km storm-relative helicity
- 222 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 |
|---|---|---|---|---|
| Mar 5, 1:04 AM EST | Severe Thunderstorm Watch | SPC | Kent, New Castle, Sussex | 3 hr |
| Mar 4, 7:34 PM EST | Mesoscale Discussion | SPC | Allegany, Garrett | 56 min |
| Mar 5, 2:32 AM EST | Mesoscale Discussion | SPC | Atlantic, Bergen, Burlington, Camden, Cape May, Cumberland and 15 more | 88 min |
| Mar 5, 3:01 AM EST | Severe Thunderstorm Watch | SPC | Bergen, Essex, Hudson, Hunterdon, Mercer, Middlesex and 8 more | 3 hr |
| Mar 4, 9:56 PM EST | Mesoscale Discussion | SPC | Brunswick, Charlotte, Greensville, Halifax, Lunenburg, Mecklenburg and 1 more | 64 min |
Nearby
Mesoscale Discussions in Maryland, 2008Mesoscale Discussions in New Jersey, 2008Mesoscale Discussions in Delaware, 2008Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.