Alert archive / Delaware / Severe Thunderstorm Warnings in 2025
Severe Thunderstorm Warning 2, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Mar 5, 2025, 4:43 PM EST for Kent County, Sussex County, Delaware; Caroline 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 5, 2025, 4:43 PM EST (21:43 UTC)
- Expired
- Mar 5, 2025, 5:30 PM EST
- 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
The radar
The Dover AFB radar (KDOX), 21 km from the middle of the area, began a volume at 21:42 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 12:00Z, 9.7 hours before the alert went out and 79 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
- 840 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 300 m²/s²
- 0-3 km storm-relative helicity
- 351 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
417
WUUS51 KPHI 052143
SVRPHI
DEC001-005-MDC011-052230-
/O.NEW.KPHI.SV.W.0002.250305T2143Z-250305T2230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
443 PM EST Wed Mar 5 2025
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Sussex County in southern Delaware...
Southeastern Kent County in central Delaware...
Southeastern Caroline County in eastern Maryland...
* Until 530 PM EST.
* At 442 PM EST, severe thunderstorms were located along a line
extending from near Milford to 6 miles north of Deal Island, moving
southeast at 20 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Dover, Georgetown, Milford, Seaford, Millsboro, Laurel, Harrington,
Lewes, Federalsburg, Milton, Selbyville, Bridgeville, Delmar,
Dagsboro, Millville, Ellendale, Bowers, Henlopen Acres, Smithville,
and Gumboro.
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.
This severe thunderstorm may contain little or no lightning. Do not
wait until you hear thunder before taking cover.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3845 7501 3846 7505 3845 7520 3846 7569
3864 7571 3869 7577 3868 7580 3870 7581
3922 7539 3884 7495
TIME...MOT...LOC 2142Z 296DEG 17KT 3889 7548 3825 7598
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MPS2 follow-up statements
872
WWUS51 KPHI 052207
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
507 PM EST Wed Mar 5 2025
DEC001-MDC011-052217-
/O.CAN.KPHI.SV.W.0002.000000T0000Z-250305T2230Z/
Kent DE-Caroline MD-
507 PM EST Wed Mar 5 2025
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN KENT AND
SOUTHEASTERN CAROLINE COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
LAT...LON 3846 7563 3846 7564 3905 7519 3884 7495
3845 7501
TIME...MOT...LOC 2207Z 272DEG 20KT 3900 7515 3833 7566
$$
DEC005-052230-
/O.CON.KPHI.SV.W.0002.000000T0000Z-250305T2230Z/
Sussex DE-
507 PM EST Wed Mar 5 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EST
FOR SUSSEX COUNTY...
At 507 PM EST, severe thunderstorms were located along a line
extending from 9 miles east of Big Stone Beach to Fruitland, 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...
Georgetown, Millsboro, Laurel, Lewes, Milton, Selbyville, Delmar,
Dagsboro, Millville, Henlopen Acres, Gumboro, Cape Henlopen State
Park, Sycamore, Long Neck, Ocean View, Frankford, South Bethany, and
Dewey Beach.
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.
This severe thunderstorm may contain little or no lightning. Do not
wait until you hear thunder before taking cover.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3846 7563 3846 7564 3905 7519 3884 7495
3845 7501
TIME...MOT...LOC 2207Z 272DEG 20KT 3900 7515 3833 7566
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MPS220
WWUS51 KPHI 052220
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
520 PM EST Wed Mar 5 2025
DEC005-052230-
/O.EXP.KPHI.SV.W.0002.000000T0000Z-250305T2230Z/
Sussex DE-
520 PM EST Wed Mar 5 2025
...THE SEVERE THUNDERSTORM WARNING FOR SUSSEX COUNTY WILL EXPIRE AT
530 PM EST...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However, gusty
winds and heavy rain are still possible with these thunderstorms.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Mount Holly NJ.
LAT...LON 3846 7563 3846 7564 3905 7519 3884 7495
3845 7501
TIME...MOT...LOC 2220Z 296DEG 17KT 3899 7512 3832 7563
$$
MPSNearby
Severe Thunderstorm Warnings in Delaware, 2025Severe 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.