Alert archive / Maryland / Severe Thunderstorm Warnings in 2025
Severe Thunderstorm Warning 66, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 18, 2025, 3:00 PM EDT for Kent County, Queen Anne's County, Maryland. It was in force for 45 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
- Jun 18, 2025, 3:00 PM EDT (19:00 UTC)
- Expired
- Jun 18, 2025, 3:45 PM EDT
- In force
- 45 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Kent County, MD, Queen Anne's County, MD
The radar
The Dover AFB radar (KDOX), 71 km from the middle of the area, began a volume at 19:01 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 |
|---|---|---|---|
| Jun 18, 3:29 PM EDT | TSTM WND GST 50 | 2 Wnw Grasonville, MD | Kent Narrows. |
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 |
|---|---|---|---|
| Jun 18, 12:43 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 7.0 hours before the alert went out and 103 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
- 1415 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 521 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 76 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.1
The text
As transmitted.
471
WUUS51 KPHI 181900
SVRPHI
MDC029-035-181945-
/O.NEW.KPHI.SV.W.0066.250618T1900Z-250618T1945Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
300 PM EDT Wed Jun 18 2025
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Central Queen Anne's County in northeastern Maryland...
Southwestern Kent County in northeastern Maryland...
* Until 345 PM EDT.
* At 259 PM EDT, a severe thunderstorm was located near Magothy
River, moving east at 30 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Centerville, Centreville, Chester, Overton, Wye Mills, Grasonville,
Starr, Stevensville, Carville, and Queenstown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Heavy rainfall is occurring with this storm, and may lead to brief
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3904 7631 3898 7628 3898 7626 3897 7622
3900 7617 3903 7624 3909 7623 3911 7624
3912 7598 3893 7599 3897 7635
TIME...MOT...LOC 1859Z 272DEG 25KT 3906 7637
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
AKL2 follow-up statements
958
WWUS51 KPHI 181931
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
331 PM EDT Wed Jun 18 2025
MDC029-035-181945-
/O.CON.KPHI.SV.W.0066.000000T0000Z-250618T1945Z/
Queen Anne's MD-Kent MD-
331 PM EDT Wed Jun 18 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR SOUTHWESTERN QUEEN ANNE'S AND SOUTHWESTERN KENT COUNTIES...
At 331 PM EDT, a severe thunderstorm was located near Overton, or
near Centerville, moving east at 30 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Centerville, Centreville, Chester, Overton, Wye Mills, Grasonville,
Starr, Stevensville, Carville, and Queenstown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3904 7631 3898 7628 3898 7626 3897 7622
3900 7617 3903 7624 3906 7623 3906 7598
3893 7599 3897 7635
TIME...MOT...LOC 1931Z 270DEG 27KT 3900 7615
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
AKL769
WWUS51 KPHI 181944
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
344 PM EDT Wed Jun 18 2025
MDC029-035-181951-
/O.EXP.KPHI.SV.W.0066.000000T0000Z-250618T1945Z/
Queen Anne's MD-Kent MD-
344 PM EDT Wed Jun 18 2025
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN QUEEN ANNE'S AND
SOUTHWESTERN KENT COUNTIES WILL EXPIRE AT 345 PM EDT...
The current Severe Thunderstorm Warning for southwestern Queen
Anne's and southwestern Kent Countiues is expiring. The storm
remains capable of producing severe wind gusts, so a new Severe
Thunderstorm Warning has been issued including Southern Queen Anne's
County and Southwestern Kent County as a result.
A Severe Thunderstorm Watch remains in effect until 700 PM EDT for
eastern and northeastern Maryland.
Remember, a Severe Thunderstorm Warning still remains in effect for
Southern Queen Anne's County and Southwestern Kent County until 430
PM EDT.
LAT...LON 3904 7631 3898 7628 3898 7626 3897 7622
3900 7617 3903 7624 3906 7623 3906 7598
3893 7599 3897 7635
TIME...MOT...LOC 1941Z 272DEG 25KT 3900 7611
$$
AKLThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 3:39 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 51 min |
| Jun 18, 4:13 PM EDT | Severe Thunderstorm Warning | PHI | Caroline | 47 min |
Nearby
Severe Thunderstorm Warnings in Maryland, 2025Every severe thunderstorm warning in 2025
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.