Alert archive / Delaware / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 2, NWS Philadelphia/Mount Holly

March 11, 2026Kent County, New Castle County, Delaware; Kent County, Queen Anne's County, Maryland

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Mar 11, 2026, 7:48 PM EDT for Kent County, New Castle County, Delaware; Kent County, Queen Anne's County, Maryland. It was in force for 42 min. 8 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: Mar 11, 2026, 7:48 PM EDT (23:48 UTC)
Expired: Mar 11, 2026, 8:30 PM EDT
In force: 42 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, Kent County, MD, Queen Anne's County, MD

The radar

The Dover AFB radar (KDOX), 76 km from the middle of the area, began a volume at 23:49 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
Mar 11, 8:04 PM EDT	TSTM WND DMG	3 Nw Langford, MD	Tree down blocking a road in the community of Fairlee. Time estimated from radar.
Mar 11, 8:19 PM EDT	TSTM WND DMG	Newark, DE	Corrects previous tstm wnd dmg report from Newark. Transformer blown on Old Harmony Road.
Mar 11, 8:23 PM EDT	TSTM WND DMG	1 Sse Newark, DE	A metal sheeting barn roof was blown off a barn. Walls also of metal sheeting subsequently collapsed. Time estimate from radar and nearby observations.
Mar 11, 8:25 PM EDT	TSTM WND GST 53	1 Sse Newark, DE	Mesonet station DAGF White Clay Creek Newark.
Mar 11, 8:25 PM EDT	TSTM WND GST 53	1 Sse Newark, DE	Mesonet station DE004 Newark - Ag Farm.
Mar 11, 8:27 PM EDT	TSTM WND GST 53	Middletown, DE
Mar 11, 8:32 PM EDT	TSTM WND GST 60	1 S Odessa, DE	Mesonet station DEL13 Us 1 At Appoquinimink River.
Mar 11, 8:35 PM EDT	TSTM WND GST 53	3 W Mount Pleasant, DE	Mesonet station FW7093 Middletown.

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
Mar 11, 7:03 PM EDT	Severe Thunderstorm Watch	SPC	3 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 11.8 hours before the alert went out and 126 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1769 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 86 m²/s²
0-3 km storm-relative helicity: 103 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

273 
WUUS51 KPHI 112348
SVRPHI
DEC001-003-MDC029-035-120030-
/O.NEW.KPHI.SV.W.0002.260311T2348Z-260312T0030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
748 PM EDT Wed Mar 11 2026

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...
  Northeastern Queen Anne's County in northeastern Maryland...
  Kent County in northeastern Maryland...

* Until 830 PM EDT.

* At 748 PM EDT, severe thunderstorms were located along a line
  extending from near Bel Air South to near Bowleys Quarters to
  Millers Island, moving east at 60 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...
  Newark, Middletown, Smyrna, Chestertown, Clayton, Cheswold, Rock
  Hall, Millington, Sudlersville, Betterton, Glasgow, Bear, Newtown,
  Morgnec, Delaney Corner, Crumpton, Saint Georges, Sassafras, Mount
  Pleasant, and Green Spring.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3926 7622 3929 7617 3932 7618 3934 7616
      3933 7614 3934 7614 3937 7611 3936 7588
      3938 7577 3969 7579 3970 7569 3946 7560
      3919 7557 3914 7626 3915 7627 3917 7628
TIME...MOT...LOC 2348Z 256DEG 50KT 3954 7633 3937 7634 3921 7639 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Fitzsimmons

1 follow-up statement

268 
WWUS51 KPHI 120011
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
811 PM EDT Wed Mar 11 2026

DEC001-003-MDC029-035-120030-
/O.CON.KPHI.SV.W.0002.000000T0000Z-260312T0030Z/
New Castle DE-Kent DE-Queen Anne's MD-Kent MD-
811 PM EDT Wed Mar 11 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM EDT
FOR SOUTHWESTERN NEW CASTLE...NORTHWESTERN KENT...NORTHEASTERN QUEEN
ANNE'S AND KENT COUNTIES...

At 810 PM EDT, severe thunderstorms were located along a line
extending from near Woodlawn to near Betterton to near Chestertown,
moving east at 55 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...
Newark, Middletown, Smyrna, Chestertown, Clayton, Cheswold, Rock
Hall, Millington, Sudlersville, Betterton, Glasgow, Bear, Newtown,
Morgnec, Delaney Corner, Crumpton, Saint Georges, Sassafras, Mount
Pleasant, and Green Spring.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with these storms, and may lead to
flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3914 7619 3914 7626 3915 7627 3916 7627
      3923 7624 3926 7622 3929 7617 3932 7618
      3934 7616 3933 7614 3934 7614 3937 7611
      3936 7588 3938 7577 3969 7579 3970 7569
      3946 7560 3919 7557
TIME...MOT...LOC 0010Z 255DEG 48KT 3960 7604 3943 7605 3925 7610 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Fitzsimmons

Nearby

Severe Thunderstorm Warnings in Delaware, 2026 Severe Thunderstorm Warnings in Maryland, 2026 Every 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.