Alert archive / Maryland / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 296, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 14, 2023, 6:23 PM EDT for Kent County, Delaware; 4 counties in Maryland. It was in force for 29 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 14, 2023, 6:23 PM EDT (22:23 UTC)
- Expired
- Aug 14, 2023, 6:52 PM EDT
- In force
- 29 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Kent County, DE, Caroline County, MD, Kent County, MD, Queen Anne's County, MD, Talbot County, MD
The radar
The Dover AFB radar (KDOX), 64 km from the middle of the area, began a volume at 22:27 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, 10.4 hours before the alert went out and 126 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1709 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 69 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
565
WUUS51 KPHI 142223
SVRPHI
DEC001-MDC011-029-035-041-142315-
/O.NEW.KPHI.SV.W.0296.230814T2223Z-230814T2315Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
623 PM EDT Mon Aug 14 2023
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Southwestern Kent County in central Delaware...
Northeastern Talbot County in eastern Maryland...
Queen Anne's County in northeastern Maryland...
Caroline County in eastern Maryland...
Kent County in northeastern Maryland...
* Until 715 PM EDT.
* At 623 PM EDT, severe thunderstorms were located along a line
extending from near Langford to Starr to near Harmony, moving
northeast at 25 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Centerville, Chestertown, Denton, Centreville, Harrington,
Greensboro, Oakland, Ridgely, Church Hill, Millington,
Sudlersville, Betterton, Goldsboro, Queen Anne, Old Town, Starr,
Jumptown, Newtown, Morgnec and Crumpton.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Mount Holly NJ.
In addition to large hail and damaging winds, frequent cloud to
ground lightning is occurring with these storms. Move indoors
immediately. Remember, if you can hear thunder, you are close enough
to be struck by lightning.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3925 7623 3937 7608 3937 7599 3936 7598
3937 7595 3936 7590 3921 7576 3895 7556
3871 7587 3919 7626
TIME...MOT...LOC 2223Z 220DEG 23KT 3921 7618 3899 7601 3882 7587
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MPS2 follow-up statements
179
WWUS51 KPHI 142243
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
643 PM EDT Mon Aug 14 2023
MDC041-142252-
/O.CAN.KPHI.SV.W.0296.000000T0000Z-230814T2315Z/
Talbot MD-
643 PM EDT Mon Aug 14 2023
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN TALBOT COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
LAT...LON 3900 7559 3878 7581 3902 7595 3920 7606
3935 7598 3936 7598 3937 7595 3936 7590
3921 7576
TIME...MOT...LOC 2242Z 209DEG 23KT 3920 7599 3908 7591 3891 7581
$$
DEC001-MDC011-029-035-142315-
/O.CON.KPHI.SV.W.0296.000000T0000Z-230814T2315Z/
Kent DE-Queen Anne's MD-Caroline MD-Kent MD-
643 PM EDT Mon Aug 14 2023
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR SOUTHWESTERN KENT...NORTHEASTERN QUEEN ANNE'S...NORTHEASTERN
CAROLINE AND NORTHEASTERN KENT COUNTIES...
At 642 PM EDT, severe thunderstorms were located along a line
extending from near Morgnec to near Hope to near Denton, moving
northeast at 25 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Denton, Greensboro, Oakland, Ridgely, Church Hill, Millington,
Sudlersville, Goldsboro, Morgnec, Crumpton, Sandtown, Kennedyville,
Galena, Henderson, Marydel, Templeville, Barclay and Kingstown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Mount Holly NJ.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3900 7559 3878 7581 3902 7595 3920 7606
3935 7598 3936 7598 3937 7595 3936 7590
3921 7576
TIME...MOT...LOC 2242Z 209DEG 23KT 3920 7599 3908 7591 3891 7581
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MPS545
WWUS51 KPHI 142252
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
652 PM EDT Mon Aug 14 2023
DEC001-MDC011-029-035-142301-
/O.CAN.KPHI.SV.W.0296.000000T0000Z-230814T2315Z/
Kent DE-Queen Anne's MD-Caroline MD-Kent MD-
652 PM EDT Mon Aug 14 2023
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN KENT...
NORTHEASTERN QUEEN ANNE'S...NORTHEASTERN CAROLINE AND NORTHEASTERN
KENT COUNTIES IS CANCELLED...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning has been cancelled.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Mount Holly NJ.
LAT...LON 3900 7559 3878 7581 3902 7595 3920 7606
3935 7598 3936 7598 3937 7595 3936 7590
3921 7576
TIME...MOT...LOC 2250Z 220DEG 23KT 3924 7595 3912 7587 3895 7577
$$
MPSThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 14, 3:40 PM EDT | Flood Watch | PHI | New Castle | 13 hr |
| Aug 14, 5:16 PM EDT | Special Weather Statement | PHI | Talbot | 44 min |
| Aug 14, 5:49 PM EDT | Special Weather Statement | PHI | Kent, Queen Anne's | 26 min |
| Aug 14, 5:55 PM EDT | Special Weather Statement | PHI | Caroline | 35 min |
| Aug 14, 6:10 PM EDT | Special Weather Statement | PHI | Caroline, Kent, Queen Anne's | 35 min |
Nearby
Severe Thunderstorm Warnings in Maryland, 2023Severe Thunderstorm Warnings in Delaware, 2023Every severe thunderstorm warning in 2023
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.