Alert archive / Maryland / Special Weather Statements in 2021
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Jun 10, 2021, 12:59 PM EDT for Caroline County, Maryland. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 10, 2021, 12:59 PM EDT (16:59 UTC)
- Expired
- Jun 10, 2021, 1:45 PM EDT
- In force
- 46 min
- Issued by
- NWS Philadelphia/Mount Holly
County Caroline County, MD
The radar
The Dover AFB radar (KDOX), 52 km from the middle of the area, began a volume at 17:00 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
Washington/Dulle, VA (KIAD), launched 12:00Z, 5.0 hours before the alert went out and 118 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
- 163 J/kg
- Mixed-layer CIN
- -61 J/kg
- Mixed-layer LCL
- 987 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -6 m²/s²
- 0-3 km storm-relative helicity
- 6 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
924 WWUS81 KPHI 101659 SPSPHI Special Weather Statement National Weather Service Mount Holly NJ 1259 PM EDT Thu Jun 10 2021 MDZ015-019-020-101745- Queen Anne's-Talbot-Caroline- 1259 PM EDT Thu Jun 10 2021 ...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN TALBOT...SOUTH CENTRAL QUEEN ANNE'S AND CENTRAL CAROLINE COUNTIES... At 1259 PM EDT, a strong thunderstorm was located over Queen Anne, or 9 miles northeast of Easton, moving south at 5 mph. Wind gusts up to 40 mph and pea size hail are possible with this storm. Locations impacted include... Easton, Oakland, Ridgely, Queen Anne, Tanyard, Harmony, Starr, Skipton, Jumptown, Matthews, Wye Mills, Griffin, Cordova, Queenstown and Hillsboro. If outdoors, consider seeking shelter inside a building. LAT...LON 3899 7617 3899 7587 3873 7581 3877 7616 TIME...MOT...LOC 1659Z 005DEG 6KT 3889 7598 $$ JEO
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 8:21 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 39 min |
| Jun 9, 8:43 PM EDT | Areal Flood Advisory | PHI | Chester | 2 hr |
| Jun 10, 3:29 PM EDT | Areal Flood Advisory | PHI | Sussex | 3 hr |
| Jun 10, 1:48 PM EDT | Special Weather Statement | PHI | Kent, Queen Anne's | 57 min |
| Jun 10, 2:00 PM EDT | Special Weather Statement | PHI | Caroline | 45 min |
| Jun 10, 2:16 PM EDT | Areal Flood Advisory | PHI | Caroline, Kent, Queen Anne's | 3 hr |
| Jun 10, 3:14 PM EDT | Special Weather Statement | PHI | Wicomico | 31 min |
Nearby
Special Weather Statements in Maryland, 2021Every special weather statement in 2021
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.