Alert archive / Maryland / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 24, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Apr 1, 2026, 7:19 PM EDT for Kent County, Queen Anne's County, Maryland; Kent County, New Castle County, Delaware. It was in force for 41 min. 6 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
- Apr 1, 2026, 7:19 PM EDT (23:19 UTC)
- Expired
- Apr 1, 2026, 8:00 PM EDT
- In force
- 41 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Kent County, DE, New Castle County, DE, Kent County, MD, Queen Anne's County, MD
The radar
The Dover AFB radar (KDOX), 53 km from the middle of the area, began a volume at 23:23 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 |
|---|---|---|---|
| Apr 1, 7:30 PM EDT | TSTM WND DMG | Clayton, DE | Several reports of large trees and power lines down in Clayton. Time estimated from radar. |
| Apr 1, 7:30 PM EDT | TSTM WND DMG | Clayton, DE | Tree down onto a house in the Clayton Courts neighborhood. Time estimated from radar. |
| Apr 1, 7:34 PM EDT | TSTM WND DMG | Smyrna, DE | Several reports of large trees and power lines down in Smyrna. Time estimated from radar. |
| Apr 1, 7:35 PM EDT | TSTM WND GST 42 | 1 Sw Clayton, DE | Wunderground station KDECLAYT7. |
| Apr 1, 7:39 PM EDT | TSTM WND GST 41 | 1 N Smyrna, DE | DelDOT station at DEMA EOC. |
| Apr 1, 7:45 PM EDT | TSTM WND GST 41 | 1 N Smyrna, DE | Wudnerground station KDESMYRN24. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 11.3 hours before the alert went out and 156 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
- 10 J/kg
- Mixed-layer CIN
- -330 J/kg
- Mixed-layer LCL
- 1441 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 28 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
717
WUUS51 KPHI 012319
SVRPHI
DEC001-003-MDC029-035-020000-
/O.NEW.KPHI.SV.W.0024.260401T2319Z-260402T0000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
719 PM EDT Wed Apr 1 2026
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Southwestern New Castle County in northern Delaware...
Northern Kent County in central Delaware...
Northeastern Queen Anne's County in northeastern Maryland...
East central Kent County in northeastern Maryland...
* Until 800 PM EDT.
* At 718 PM EDT, a severe thunderstorm was located over Delaney
Corner, or 13 miles south of Middletown, moving northeast at 25
mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Wind damage to
roofs, siding, trees, and power lines is possible.
* Locations impacted include...
Smyrna, Clayton, Cheswold, Millington, Delaney Corner, Woodland
Beach, Green Spring, Kenton, Leipsic, and Chambersville.
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 this storm. Move indoors
immediately. Remember, if you can hear thunder, you are close enough
to be struck by lightning.
&&
LAT...LON 3918 7582 3927 7586 3945 7555 3932 7543
3923 7537
TIME...MOT...LOC 2318Z 246DEG 21KT 3926 7576
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Staarmann2 follow-up statements
632
WWUS51 KPHI 012336
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
736 PM EDT Wed Apr 1 2026
MDC029-035-012346-
/O.CAN.KPHI.SV.W.0024.000000T0000Z-260402T0000Z/
Queen Anne's MD-Kent MD-
736 PM EDT Wed Apr 1 2026
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN QUEEN ANNE'S AND
EAST CENTRAL KENT COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3945 7555 3932 7543 3923 7537 3920 7571
3934 7574
TIME...MOT...LOC 2336Z 246DEG 21KT 3930 7564
$$
DEC001-003-020000-
/O.CON.KPHI.SV.W.0024.000000T0000Z-260402T0000Z/
New Castle DE-Kent DE-
736 PM EDT Wed Apr 1 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR SOUTH CENTRAL NEW CASTLE AND NORTHERN KENT COUNTIES...
At 736 PM EDT, a severe thunderstorm was located over Clayton, or 10
miles south of Middletown, moving northeast at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Wind damage to roofs,
siding, trees, and power lines is possible.
Locations impacted include...
Smyrna, Clayton, Cheswold, Woodland Beach, Green Spring, Kenton,
Leipsic, and Chambersville.
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 this storm. 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 3945 7555 3932 7543 3923 7537 3920 7571
3934 7574
TIME...MOT...LOC 2336Z 246DEG 21KT 3930 7564
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Staarmann579
WWUS51 KPHI 012351
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
751 PM EDT Wed Apr 1 2026
DEC001-003-020000-
/O.CON.KPHI.SV.W.0024.000000T0000Z-260402T0000Z/
New Castle DE-Kent DE-
751 PM EDT Wed Apr 1 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR SOUTH CENTRAL NEW CASTLE AND NORTHEASTERN KENT COUNTIES...
At 751 PM EDT, a severe thunderstorm was located near Woodland Beach,
or 11 miles southeast of Middletown, moving northeast at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Wind damage to roofs,
siding, trees, and power lines is possible.
Locations impacted include...
Smyrna, Woodland Beach, Leipsic, and Chambersville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Frequent cloud to ground lightning is occurring with this storm. Move
indoors immediately. Lightning is one of nature's leading killers.
Remember, if you can hear thunder, you are close enough to be struck
by lightning.
&&
LAT...LON 3945 7555 3932 7543 3925 7538 3924 7556
3938 7568
TIME...MOT...LOC 2351Z 243DEG 22KT 3936 7553
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
StaarmannNearby
Severe Thunderstorm Warnings in Maryland, 2026Severe Thunderstorm Warnings in Delaware, 2026Every severe thunderstorm warning in 2026
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.