Alert archive / Maryland / Severe Thunderstorm Warnings in 2025
Severe Thunderstorm Warning 9, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Mar 31, 2025, 9:13 PM EDT for Kent County, Sussex County, Delaware; Caroline County, Queen Anne's County, Talbot County, Maryland. It was in force for 47 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
- Mar 31, 2025, 9:13 PM EDT (01:13 UTC)
- Expired
- Mar 31, 2025, 10:00 PM EDT
- In force
- 47 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Kent County, DE, Sussex County, DE, Caroline County, MD, Queen Anne's County, MD, Talbot County, MD
The radar
The Dover AFB radar (KDOX), 54 km from the middle of the area, began a volume at 01:13 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
Wallops Is Stn, VA (KWAL), launched 00:00Z, 1.2 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
- 362 J/kg
- Mixed-layer CIN
- -110 J/kg
- Mixed-layer LCL
- 709 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 152 m²/s²
- 0-3 km storm-relative helicity
- 185 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.8
The text
As transmitted.
435
WUUS51 KPHI 010113
SVRPHI
DEC001-005-MDC011-035-041-010200-
/O.NEW.KPHI.SV.W.0009.250401T0113Z-250401T0200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
913 PM EDT Mon Mar 31 2025
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Southwestern Sussex County in southern Delaware...
Southwestern Kent County in central Delaware...
Talbot County in eastern Maryland...
Southeastern Queen Anne's County in northeastern Maryland...
Caroline County in eastern Maryland...
* Until 1000 PM EDT.
* At 913 PM EDT, severe thunderstorms were located along a line
extending from near Chesapeake Beach to near Saint Leonard to near
Saint Leonard Creek to near Saint Marys City, moving northeast at
50 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...
Greensboro, Preston, Ridgely, St. Michaels, Smithville, Starr,
Talbot, Trappe, Denton, Oakland, Copperville, Jumptown,
Federalsburg, Agner, Choptank, Goldsboro, Bethel, Windyhill,
Sandtown, and Queen Anne.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3846 7569 3869 7577 3870 7590 3857 7603
3868 7621 3876 7622 3871 7628 3878 7629
3877 7632 3867 7634 3868 7634 3877 7638
3886 7626 3879 7620 3879 7619 3891 7620
3916 7566 3881 7573 3871 7563 3845 7558
TIME...MOT...LOC 0113Z 243DEG 43KT 3871 7652 3850 7656 3840 7645 3822
7642
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
RCM1 follow-up statement
417
WWUS51 KPHI 010149
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
949 PM EDT Mon Mar 31 2025
DEC001-010159-
/O.CAN.KPHI.SV.W.0009.000000T0000Z-250401T0200Z/
Kent DE-
949 PM EDT Mon Mar 31 2025
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN KENT COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
LAT...LON 3846 7569 3864 7571 3869 7577 3871 7584
3870 7590 3866 7596 3857 7603 3870 7610
3882 7610 3891 7620 3897 7573 3881 7573
3871 7563 3845 7558
TIME...MOT...LOC 0149Z 243DEG 43KT 3889 7607 3868 7611 3858 7600 3840
7597
$$
DEC005-MDC011-035-041-010200-
/O.CON.KPHI.SV.W.0009.000000T0000Z-250401T0200Z/
Sussex DE-Talbot MD-Queen Anne's MD-Caroline MD-
949 PM EDT Mon Mar 31 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM EDT
FOR SOUTHWESTERN SUSSEX...EASTERN TALBOT...SOUTH CENTRAL QUEEN ANNE'S
AND CAROLINE COUNTIES...
At 949 PM EDT, severe thunderstorms were located along a line
extending from Skipton to near Hambleton to near Secretary to 9 miles
southwest of Vienna, moving northeast at 50 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...
Tanyard, Preston, Ridgely, Harmony, Smithville, Trappe, Denton,
Skipton, Agner, Matthews, Choptank, Hillsboro, Easton, Hambleton,
Griffin, Bethel, Windyhill, Queen Anne, Cordova, and Federalsburg.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3846 7569 3864 7571 3869 7577 3871 7584
3870 7590 3866 7596 3857 7603 3870 7610
3882 7610 3891 7620 3897 7573 3881 7573
3871 7563 3845 7558
TIME...MOT...LOC 0149Z 243DEG 43KT 3889 7607 3868 7611 3858 7600 3840
7597
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
RCMThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 31, 8:56 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle, Sussex | 49 min |
| Mar 31, 9:48 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 42 min |
| Mar 31, 10:03 PM EDT | Tornado Warning | PHI | Sussex | 27 min |
| Mar 31, 10:22 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 38 min |
Nearby
Severe Thunderstorm Warnings in Maryland, 2025Severe Thunderstorm Warnings in Delaware, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.