Alert archive / Maryland / Special Weather Statements in 2020
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Aug 4, 2020, 8:03 PM EDT for Caroline County, Talbot County, Maryland. It was in force for 42 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
- Aug 4, 2020, 8:03 PM EDT (00:03 UTC)
- Expired
- Aug 4, 2020, 8:45 PM EDT
- In force
- 42 min
- Issued by
- NWS Philadelphia/Mount Holly
Counties Caroline County, MD, Talbot County, MD
The radar
The Dover AFB radar (KDOX), 51 km from the middle of the area, began a volume at 00:02 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 00:00Z, 0.1 hours before the alert went out and 107 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
- 272 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 1064 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 84 m²/s²
- 0-3 km storm-relative helicity
- 75 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.4
The text
As transmitted.
054
WWUS81 KPHI 050003
SPSPHI
Special Weather Statement
National Weather Service Mount Holly NJ
803 PM EDT Tue Aug 4 2020
DEZ002-003-MDZ015-019-020-050045-
Inland Sussex-Kent-Queen Anne's-Talbot-Caroline-
803 PM EDT Tue Aug 4 2020
...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN SUSSEX...
SOUTHWESTERN KENT...TALBOT...SOUTH CENTRAL QUEEN ANNE'S AND CAROLINE
COUNTIES...
At 803 PM EDT, a strong thunderstorm was located over Cordova, or
near Easton, moving east at 25 mph.
Wind gusts up to 40 mph are possible with this storm.
Locations impacted include...
Easton, Seaford, Denton, Harrington, Federalsburg, Bridgeville,
Greensboro, Oakland, Ridgely, Trappe, St. Michaels, Preston, Oxford,
Queen Anne, Smithville, Starr, Copperville, Jumptown, Agner and
Choptank.
LAT...LON 3881 7622 3879 7622 3879 7619 3893 7621
3899 7618 3899 7552 3864 7554 3865 7572
3869 7577 3868 7580 3871 7584 3866 7596
3867 7618 3869 7619 3867 7620 3871 7622
3871 7623
TIME...MOT...LOC 0003Z 260DEG 21KT 3883 7601
$$
NCThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 4, 9:06 PM EDT | Special Weather Statement | PHI | Warren | 39 min |
| Aug 4, 10:04 PM EDT | Coastal Flood Statement | PHI | Ocean | 8 hr |
| Aug 4, 11:41 PM EDT | Special Marine Warning | PHI | 64 min | |
| Aug 4, 8:22 PM EDT | Areal Flood Warning | PHI | Carbon | 9 hr |
| Aug 4, 10:10 PM EDT | River Flood Warning | PHI | Lehigh | 11 hr |
| Aug 4, 8:21 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 39 min |
| Aug 4, 9:00 PM EDT | Special Weather Statement | PHI | Kent | 30 min |
| Aug 4, 10:25 PM EDT | Special Weather Statement | PHI | New Castle | 50 min |
Nearby
Special Weather Statements in Maryland, 2020Every special weather statement in 2020
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.