Alert archive / Maryland / Severe Thunderstorm Warnings in 2024
Severe Thunderstorm Warning 154, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 17, 2024, 7:58 PM EDT for Caroline County, Kent County, Queen Anne's County, Maryland. It was in force for 62 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 17, 2024, 7:58 PM EDT (23:58 UTC)
- Expired
- Jul 17, 2024, 9:00 PM EDT
- In force
- 62 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Caroline County, MD, Kent County, MD, Queen Anne's County, MD
The radar
The Dover AFB radar (KDOX), 70 km from the middle of the area, began a volume at 00:04 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 17, 8:16 PM EDT | TSTM WND DMG | Chestertown, MD | Trees on wires around Chestertown. Time estimated from radar. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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 12:00Z, 12.0 hours before the alert went out and 108 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
- 88 J/kg
- Mixed-layer CIN
- -120 J/kg
- Mixed-layer LCL
- 1518 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- -22 m²/s²
- 0-3 km storm-relative helicity
- 96 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
171
WUUS51 KPHI 172358
SVRPHI
MDC011-029-035-180100-
/O.NEW.KPHI.SV.W.0154.240717T2358Z-240718T0100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
758 PM EDT Wed Jul 17 2024
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Queen Anne's County in northeastern Maryland...
Northeastern Caroline County in eastern Maryland...
Kent County in northeastern Maryland...
* Until 900 PM EDT.
* At 758 PM EDT, a severe thunderstorm was located over Rock Hall, or
11 miles northwest of Centerville, moving east at 25 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...
Centerville, Chestertown, Centreville, Rock Hall, Church Hill,
Millington, Sudlersville, Old Town, Langford, Overton, Starkey
Corner, Morgnec, Crumpton, Carville, Hope, Queenstown, Henderson,
Marydel, Templeville, and Barclay.
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 3926 7622 3928 7615 3931 7576 3906 7574
3898 7619 3900 7617 3901 7621 3897 7624
3897 7625 3901 7622 3903 7624 3909 7623
3913 7625 3915 7628 3917 7628
TIME...MOT...LOC 2358Z 251DEG 23KT 3914 7622
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Staarmann4 follow-up statements
293
WWUS51 KPHI 180017
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
817 PM EDT Wed Jul 17 2024
MDC011-029-035-180100-
/O.CON.KPHI.SV.W.0154.000000T0000Z-240718T0100Z/
Queen Anne's MD-Caroline MD-Kent MD-
817 PM EDT Wed Jul 17 2024
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EDT
FOR QUEEN ANNE'S...NORTHEASTERN CAROLINE AND CENTRAL KENT COUNTIES...
At 817 PM EDT, a severe thunderstorm was located over Starkey Corner,
or 7 miles north of Centerville, moving east at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Wind damage to roofs,
siding, trees, and power lines is possible.
Locations impacted include...
Centerville, Chestertown, Centreville, Church Hill, Millington,
Sudlersville, Old Town, Langford, Starkey Corner, Morgnec, Crumpton,
Carville, Hope, Henderson, Marydel, Templeville, Barclay, and
Kingstown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3899 7613 3911 7619 3923 7620 3928 7610
3931 7576 3906 7574
TIME...MOT...LOC 0017Z 255DEG 23KT 3914 7605
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Staarmann147
WWUS51 KPHI 180031
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
831 PM EDT Wed Jul 17 2024
MDC011-029-035-180100-
/O.CON.KPHI.SV.W.0154.000000T0000Z-240718T0100Z/
Queen Anne's MD-Caroline MD-Kent MD-
831 PM EDT Wed Jul 17 2024
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EDT
FOR NORTHEASTERN QUEEN ANNE'S...NORTHEASTERN CAROLINE AND EAST
CENTRAL KENT COUNTIES...
At 831 PM EDT, severe thunderstorms were located along a line
extending from Crumpton to near Hope, 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...
Church Hill, Millington, Sudlersville, Starkey Corner, Morgnec,
Crumpton, Carville, Hope, Henderson, Marydel, Templeville, and
Barclay.
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 3901 7602 3929 7602 3931 7576 3906 7574
TIME...MOT...LOC 0031Z 253DEG 24KT 3926 7594 3903 7592
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Staarmann276
WWUS51 KPHI 180042
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
842 PM EDT Wed Jul 17 2024
MDC011-029-035-180100-
/O.CON.KPHI.SV.W.0154.000000T0000Z-240718T0100Z/
Queen Anne's MD-Caroline MD-Kent MD-
842 PM EDT Wed Jul 17 2024
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EDT
FOR NORTHEASTERN QUEEN ANNE'S...NORTHEASTERN CAROLINE AND EAST
CENTRAL KENT COUNTIES...
At 842 PM EDT, severe thunderstorms were located along a line
extending from Millington to near Goldsboro, moving east at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Millington, Sudlersville, Crumpton, Henderson, Marydel, Templeville,
and Barclay.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3902 7595 3929 7596 3931 7576 3906 7574
TIME...MOT...LOC 0042Z 250DEG 23KT 3927 7587 3906 7585
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Staarmann410 WWUS51 KPHI 180053 SVSPHI Severe Weather Statement National Weather Service Mount Holly NJ 853 PM EDT Wed Jul 17 2024 MDC011-029-035-180103- /O.EXP.KPHI.SV.W.0154.000000T0000Z-240718T0100Z/ Queen Anne's MD-Caroline MD-Kent MD- 853 PM EDT Wed Jul 17 2024 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN QUEEN ANNE'S... NORTHEASTERN CAROLINE AND EAST CENTRAL KENT 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 central and northern Delaware...and 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 3902 7595 3929 7596 3931 7576 3906 7574 TIME...MOT...LOC 0053Z 251DEG 23KT 3929 7580 3908 7578 $$ Staarmann
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 16, 10:17 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 58 min |
| Jul 16, 11:08 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's, Talbot | 67 min |
| Jul 17, 7:56 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 44 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.