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, 2:00 PM EDT for Caroline County, Maryland. It was in force for 45 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, 2:00 PM EDT (18:00 UTC)
- Expired
- Jun 10, 2021, 2:45 PM EDT
- In force
- 45 min
- Issued by
- NWS Philadelphia/Mount Holly
County Caroline County, MD
The radar
The Dover AFB radar (KDOX), 33 km from the middle of the area, began a volume at 18:04 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
Wallops Is Stn, VA (KWAL), launched 12:00Z, 6.0 hours before the alert went out and 91 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
- 408 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 745 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- 5 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
619
WWUS81 KPHI 101800
SPSPHI
Special Weather Statement
National Weather Service Mount Holly NJ
200 PM EDT Thu Jun 10 2021
DEZ002-003-MDZ015-019-020-101845-
Inland Sussex-Kent-Queen Anne's-Talbot-Caroline-
200 PM EDT Thu Jun 10 2021
...AN AREA OF STRONG THUNDERSTORMS WILL AFFECT SOUTHWESTERN SUSSEX...
SOUTHWESTERN KENT...NORTHEASTERN TALBOT...SOUTHEASTERN QUEEN ANNE'S
AND SOUTHERN CAROLINE COUNTIES...
At 200 PM EDT, strong thunderstorms were clustered near Andrewsville,
or 17 miles northeast of Hurlock, moving northeast at 20 mph.
Wind gusts up to 40 mph and pea size hail are possible with this
storm.
Locations impacted include...
Seaford, Denton, Laurel, Federalsburg, Bridgeville, Delmar, Preston,
Queen Anne, Harmony, Smithville, Gumboro, Agner, Matthews, Choptank,
Sycamore, Griffin, Andrewsville, Cordova, Blades and Greenwood.
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.
LAT...LON 3846 7569 3865 7571 3869 7577 3868 7580
3870 7580 3871 7584 3870 7590 3868 7593
3868 7595 3899 7600 3889 7579 3900 7567
3845 7533
TIME...MOT...LOC 1800Z 211DEG 18KT 3884 7572
$$
DavisThe 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, 12:59 PM EDT | Special Weather Statement | PHI | Caroline | 46 min |
| Jun 10, 1:48 PM EDT | Special Weather Statement | PHI | Kent, Queen Anne's | 57 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.