Alert archive / Maryland / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 374, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 20, 2019, 4:00 PM EDT for Caroline County, Queen Anne's County, Talbot County, Maryland. It was in force for 21 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 20, 2019, 4:00 PM EDT (20:00 UTC)
- Expired
- Aug 20, 2019, 4:21 PM EDT
- In force
- 21 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Caroline County, MD, Queen Anne's County, MD, Talbot County, MD
The radar
The Dover AFB radar (KDOX), 67 km from the middle of the area, began a volume at 20:03 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, 8.0 hours before the alert went out and 105 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
- 672 J/kg
- Mixed-layer CIN
- -139 J/kg
- Mixed-layer LCL
- 1426 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -30 m²/s²
- 0-3 km storm-relative helicity
- -6 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
161
WUUS51 KPHI 202000
SVRPHI
MDC011-035-041-202045-
/O.NEW.KPHI.SV.W.0374.190820T2000Z-190820T2045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
400 PM EDT Tue Aug 20 2019
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Talbot County in eastern Maryland...
South central Queen Anne's County in northeastern Maryland...
Southwestern Caroline County in eastern Maryland...
* Until 445 PM EDT.
* At 359 PM EDT, a severe thunderstorm was located over Easton,
moving northwest at 20 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Wind damage to
roofs, siding, trees, and power lines is possible.
* Locations impacted include...
Easton, Talbot, Trappe, St. Michaels, Preston, Oxford, Queen Anne,
Tanyard, Starr, Skipton, Copperville, Matthews, Wye Mills,
Hambleton and Cordova.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
In addition to large hail and damaging winds, frequent cloud to
ground lightning is occurring with this storm. Move indoors
immediately. Remember, if you can hear thunder, you are close enough
to be struck by lightning.
&&
LAT...LON 3883 7630 3886 7626 3883 7625 3879 7620
3890 7620 3901 7597 3872 7591 3862 7612
3868 7617 3868 7621 3871 7621 3871 7624
3876 7622 3873 7627 3876 7631 3878 7629
3877 7633
TIME...MOT...LOC 1959Z 144DEG 18KT 3874 7610
HAIL...1.00IN
WIND...60MPH
$$
Davis1 follow-up statement
291
WWUS51 KPHI 202021
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
421 PM EDT Tue Aug 20 2019
MDC011-035-041-202030-
/O.CAN.KPHI.SV.W.0374.000000T0000Z-190820T2045Z/
Talbot MD-Queen Anne's MD-Caroline MD-
421 PM EDT Tue Aug 20 2019
...THE SEVERE THUNDERSTORM WARNING FOR TALBOT...SOUTH CENTRAL QUEEN
ANNE'S AND SOUTHWESTERN CAROLINE COUNTIES IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled. However, gusty winds and
heavy rain are still possible with this thunderstorm.
LAT...LON 3883 7630 3886 7626 3883 7625 3879 7620
3890 7620 3901 7597 3872 7591 3862 7612
3868 7617 3868 7621 3871 7621 3871 7624
3876 7622 3873 7627 3876 7631 3878 7629
3877 7633
TIME...MOT...LOC 2019Z 144DEG 18KT 3883 7618
$$
DavisThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 20, 3:07 PM EDT | Special Weather Statement | PHI | Caroline, Talbot | 38 min |
| Aug 20, 3:17 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Talbot | 43 min |
Nearby
Severe Thunderstorm Warnings in Maryland, 2019Every severe thunderstorm warning in 2019
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.