Alert archive / Maryland / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 24, NWS Philadelphia/Mount Holly

April 1, 2026Kent County, Queen Anne's County, Maryland; Kent County, New Castle County, Delaware

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

TimeReportWhereRemark
Apr 1, 7:30 PM EDTTSTM WND DMGClayton, DESeveral reports of large trees and power lines down in Clayton. Time estimated from radar.
Apr 1, 7:30 PM EDTTSTM WND DMGClayton, DETree down onto a house in the Clayton Courts neighborhood. Time estimated from radar.
Apr 1, 7:34 PM EDTTSTM WND DMGSmyrna, DESeveral reports of large trees and power lines down in Smyrna. Time estimated from radar.
Apr 1, 7:35 PM EDTTSTM WND GST 421 Sw Clayton, DEWunderground station KDECLAYT7.
Apr 1, 7:39 PM EDTTSTM WND GST 411 N Smyrna, DEDelDOT station at DEMA EOC.
Apr 1, 7:45 PM EDTTSTM WND GST 411 N Smyrna, DEWudnerground 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.

Skew-T log-pSkew-T log-p diagram, Washington/Dulle, VA at 12:00Z on 2026-04-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 10 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Washington/Dulle, VA at 12:00Z on 2026-04-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
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

Open this sounding in Storm Lab

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

$$

Staarmann
2 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

$$

Staarmann
579 
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

$$

Staarmann

Nearby

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.