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 Jul 26, 2021, 12:40 AM EDT for Kent County, Maryland. It was in force for 50 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
- Jul 26, 2021, 12:40 AM EDT (04:40 UTC)
- Expired
- Jul 26, 2021, 1:30 AM EDT
- In force
- 50 min
- Issued by
- NWS Philadelphia/Mount Holly
County Kent County, MD
The radar
The Dover AFB radar (KDOX), 78 km from the middle of the area, began a volume at 04:40 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 00:00Z, 4.7 hours before the alert went out and 114 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
- 1389 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 1315 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 98 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 3.3
The text
As transmitted.
967
WWUS81 KPHI 260440
SPSPHI
Special Weather Statement
National Weather Service Mount Holly NJ
1240 AM EDT Mon Jul 26 2021
MDZ012-015-260530-
Queen Anne's-Kent-
1240 AM EDT Mon Jul 26 2021
...A STRONG THUNDERSTORM WILL AFFECT NORTH CENTRAL QUEEN ANNE'S AND
KENT COUNTIES...
At 1240 AM EDT, a strong thunderstorm was located near Aberdeen
Proving Ground, moving southeast at 20 mph.
Wind gusts up to 40 mph and pea size hail are possible with this
storm.
Locations impacted include...
Chestertown, Rock Hall, Betterton, Newtown, Morgnec, Old Town,
Kennedyville, Langford and Kingstown.
Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
LAT...LON 3926 7622 3929 7617 3932 7618 3934 7616
3933 7614 3937 7611 3937 7606 3938 7606
3937 7602 3922 7592 3910 7605 3909 7624
3913 7625 3915 7628
TIME...MOT...LOC 0440Z 330DEG 16KT 3940 7616
$$
BAHThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 26, 12:38 AM EDT | Special Weather Statement | PHI | New Castle | 52 min |
| Jul 26, 1:05 AM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 40 min |
| Jul 26, 3:24 PM EDT | Special Weather Statement | PHI | Talbot | 51 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.