Alert archive / Maryland / Severe Thunderstorm Warnings in 2025
Severe Thunderstorm Warning 124, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 1, 2025, 4:50 PM EDT for Kent County, New Castle County, Delaware; 4 counties in Maryland. It was in force for 55 min. 3 reports 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 1, 2025, 4:50 PM EDT (20:50 UTC)
- Expired
- Jul 1, 2025, 5:45 PM EDT
- In force
- 55 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Kent County, DE, New Castle County, DE, Caroline County, MD, Kent County, MD, Queen Anne's County, MD, Talbot County, MD
The radar
The Dover AFB radar (KDOX), 66 km from the middle of the area, began a volume at 20:52 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 1, 4:51 PM EDT | TSTM WND DMG | Rock Hall, MD | Trees down around the Rock Hall area. Time estimated from radar. |
| Jul 1, 5:07 PM EDT | TSTM WND DMG | 3 Sse Church Hill, MD | Trees down. Time estimated from radar. |
| Jul 1, 5:21 PM EDT | TSTM WND DMG | Centreville, MD | Trees down around Centreville. 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 1, 12:59 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 8.8 hours before the alert went out and 112 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
- 822 J/kg
- Mixed-layer CIN
- -69 J/kg
- Mixed-layer LCL
- 994 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -2 m²/s²
- 0-3 km storm-relative helicity
- 32 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
978
WUUS51 KPHI 012050
SVRPHI
DEC001-003-MDC011-029-035-041-012145-
/O.NEW.KPHI.SV.W.0124.250701T2050Z-250701T2145Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
450 PM EDT Tue Jul 1 2025
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Southwestern New Castle County in northern Delaware...
Northwestern Kent County in central Delaware...
North central Talbot County in eastern Maryland...
Queen Anne's County in northeastern Maryland...
Northeastern Caroline County in eastern Maryland...
Kent County in northeastern Maryland...
* Until 545 PM EDT.
* At 450 PM EDT, severe thunderstorms were located along a line
extending from near Newtown to near Romancoke, 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...
Dover, Middletown, Centerville, Smyrna, Chestertown, Centreville,
Camden, Clayton, Delaware City, Cheswold, Rock Hall, Church Hill,
Millington, Sudlersville, Goldsboro, Hartly, Old Town, Starr,
Glasgow, and Hazlettville.
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 these storms. Move indoors
immediately. Remember, if you can hear thunder, you are close enough
to be struck by lightning.
&&
LAT...LON 3904 7631 3898 7628 3900 7617 3915 7628
3932 7618 3938 7577 3960 7578 3966 7567
3958 7555 3911 7555 3886 7624 3885 7626
3886 7627 3889 7620 3897 7625 3891 7631
3896 7631 3884 7637 3884 7638
TIME...MOT...LOC 2050Z 255DEG 23KT 3933 7611 3890 7637
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Staarmann2 follow-up statements
977
WWUS51 KPHI 012109
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
509 PM EDT Tue Jul 1 2025
DEC001-003-MDC011-029-035-041-012145-
/O.CON.KPHI.SV.W.0124.000000T0000Z-250701T2145Z/
New Castle DE-Kent DE-Talbot MD-Queen Anne's MD-Caroline MD-Kent MD-
509 PM EDT Tue Jul 1 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR SOUTHWESTERN NEW CASTLE...NORTHWESTERN KENT...NORTH CENTRAL
TALBOT...QUEEN ANNE'S...NORTHEASTERN CAROLINE AND KENT COUNTIES...
At 509 PM EDT, severe thunderstorms were located along a line
extending from near Cecilton to Church Hill to Chester, moving east
at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Dover, Middletown, Centerville, Smyrna, Chestertown, Centreville,
Camden, Clayton, Delaware City, Cheswold, Rock Hall, Church Hill,
Millington, Sudlersville, Goldsboro, Hartly, Old Town, Starr,
Glasgow, and Hazlettville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Frequent cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 3904 7631 3898 7628 3897 7622 3900 7617
3915 7628 3933 7613 3938 7577 3960 7578
3966 7567 3958 7555 3911 7555 3886 7625
3885 7626 3886 7627 3889 7620 3896 7625
3893 7631 3896 7631 3884 7638
TIME...MOT...LOC 2109Z 253DEG 26KT 3941 7597 3917 7597 3896 7628
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Staarmann718
WWUS51 KPHI 012132
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
532 PM EDT Tue Jul 1 2025
DEC001-003-MDC011-029-035-041-012145-
/O.CON.KPHI.SV.W.0124.000000T0000Z-250701T2145Z/
New Castle DE-Kent DE-Talbot MD-Queen Anne's MD-Caroline MD-Kent MD-
532 PM EDT Tue Jul 1 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR SOUTHWESTERN NEW CASTLE...NORTHWESTERN KENT...NORTHERN TALBOT...
QUEEN ANNE'S...NORTHEASTERN CAROLINE AND CENTRAL KENT COUNTIES...
At 532 PM EDT, severe thunderstorms were located along a line
extending from near Mount Pleasant to near Sudlersville to near
Grasonville, 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...
Dover, Middletown, Centerville, Smyrna, Centreville, Camden, Clayton,
Delaware City, Cheswold, Church Hill, Millington, Sudlersville,
Goldsboro, Hartly, Grasonville, Starr, Glasgow, Bear, Hazlettville,
and Port Penn.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Frequent cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 3889 7620 3893 7620 3895 7622 3894 7624
3896 7624 3900 7617 3905 7621 3938 7577
3960 7578 3966 7567 3958 7555 3911 7555
3885 7626
TIME...MOT...LOC 2132Z 255DEG 24KT 3951 7565 3919 7578 3892 7619
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
StaarmannThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 9:41 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 64 min |
| Jul 1, 2:30 AM EDT | Flood Watch | PHI | New Castle | 19 hr |
| Jul 1, 2:32 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 43 min |
| Jul 1, 5:04 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 56 min |
| Jul 1, 5:42 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 48 min |
| Jul 1, 5:34 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's, Talbot | 41 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.