Alert archive / Maryland / Severe Thunderstorm Warnings in 2024
Severe Thunderstorm Warning 155, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 17, 2024, 8:11 PM EDT for Caroline County, Queen Anne's County, Talbot County, Maryland. It was in force for 49 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 17, 2024, 8:11 PM EDT (00:11 UTC)
- Expired
- Jul 17, 2024, 9:00 PM EDT
- In force
- 49 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Caroline County, MD, Queen Anne's County, MD, Talbot County, MD
The radar
The Dover AFB radar (KDOX), 68 km from the middle of the area, began a volume at 00:14 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 17, 2:38 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 00:00Z, 0.2 hours before the alert went out and 104 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
- 439 J/kg
- Mixed-layer CIN
- -97 J/kg
- Mixed-layer LCL
- 1144 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 74 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.6
The text
As transmitted.
513
WUUS51 KPHI 180011
SVRPHI
MDC011-035-041-180100-
/O.NEW.KPHI.SV.W.0155.240718T0011Z-240718T0100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
811 PM EDT Wed Jul 17 2024
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 900 PM EDT.
* At 811 PM EDT, a severe thunderstorm was located near Tilghman
Island, or 12 miles west of Easton, moving east at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Easton, Talbot, Trappe, St. Michaels, Preston, Oxford, Tanyard,
Tilghman Island, Skipton, Copperville, Matthews, Choptank,
Hambleton, Windyhill, 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.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3876 7633 3884 7626 3879 7620 3886 7620
3893 7602 3870 7584 3868 7593 3857 7604
3871 7623 3876 7622 3871 7628 3878 7629
3877 7632 3867 7634 3874 7634 3876 7637
3875 7634 3877 7638
TIME...MOT...LOC 0011Z 250DEG 23KT 3872 7629
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Staarmann3 follow-up statements
046
WWUS51 KPHI 180032
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
832 PM EDT Wed Jul 17 2024
MDC011-035-041-180100-
/O.CON.KPHI.SV.W.0155.000000T0000Z-240718T0100Z/
Talbot MD-Queen Anne's MD-Caroline MD-
832 PM EDT Wed Jul 17 2024
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EDT
FOR TALBOT...SOUTH CENTRAL QUEEN ANNE'S AND SOUTHWESTERN CAROLINE
COUNTIES...
At 832 PM EDT, a severe thunderstorm was located over Easton, moving
east at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Easton, Trappe, St. Michaels, Preston, Oxford, Tanyard, Skipton,
Copperville, Matthews, Choptank, Hambleton, Windyhill, and Cordova.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3867 7617 3882 7624 3882 7623 3879 7620
3886 7620 3893 7602 3870 7584 3868 7593
3857 7604
TIME...MOT...LOC 0032Z 248DEG 26KT 3880 7605
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Staarmann319
WWUS51 KPHI 180043
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
843 PM EDT Wed Jul 17 2024
MDC011-035-041-180100-
/O.CON.KPHI.SV.W.0155.000000T0000Z-240718T0100Z/
Talbot MD-Queen Anne's MD-Caroline MD-
843 PM EDT Wed Jul 17 2024
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EDT
FOR EASTERN TALBOT...SOUTHWESTERN QUEEN ANNE'S AND SOUTHWESTERN
CAROLINE COUNTIES...
At 843 PM EDT, severe thunderstorms were located along a line
extending from near Skipton to Windyhill, moving east at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Easton, Trappe, Preston, Matthews, Choptank, Tanyard, Hambleton,
Windyhill, Skipton, and Cordova.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3863 7608 3863 7612 3877 7610 3887 7617
3888 7611 3889 7612 3893 7602 3870 7584
3869 7587 3870 7590 3868 7591 3868 7594
3857 7604
TIME...MOT...LOC 0043Z 253DEG 21KT 3891 7602 3866 7597
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Staarmann141
WWUS51 KPHI 180053 RRA
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
853 PM EDT Wed Jul 17 2024
MDC011-035-041-180103-
/O.EXP.KPHI.SV.W.0155.000000T0000Z-240718T0100Z/
Talbot MD-Queen Anne's MD-Caroline MD-
853 PM EDT Wed Jul 17 2024
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN TALBOT...SOUTHWESTERN
QUEEN ANNE'S AND SOUTHWESTERN CAROLINE COUNTIES WILL EXPIRE AT 900 PM
EDT...
The storms which prompted the warning have weakened below severe
limits, and have exited the warned area. Therefore, the warning will
be allowed to expire. However gusty winds and heavy rain are still
possible with these thunderstorms.
A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
eastern and northeastern Maryland.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Mount Holly NJ.
LAT...LON 3863 7608 3863 7612 3877 7610 3887 7617
3888 7611 3889 7612 3893 7602 3870 7584
3869 7587 3870 7590 3868 7591 3868 7594
3857 7604
TIME...MOT...LOC 0053Z 250DEG 23KT 3893 7596 3868 7591
$$
StaarmannThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 9:10 PM EDT | Severe Thunderstorm Warning | PHI | Caroline | 21 min |
Nearby
Severe Thunderstorm Warnings in Maryland, 2024Every severe thunderstorm warning in 2024
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.