Alert archive / Delaware / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 106, NWS Philadelphia/Mount Holly

June 22, 2026Kent County, Sussex County, Delaware

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 22, 2026, 8:34 PM EDT for Kent County, Sussex County, Delaware. It was in force for 56 min. 1 report 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: Jun 22, 2026, 8:34 PM EDT (00:34 UTC)
Expired: Jun 22, 2026, 9:30 PM EDT
In force: 56 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Tornado: Possible
Hail: 1.0 in
Wind: 60.0 mph

Counties Kent County, DE, Sussex County, DE

The radar

The Dover AFB radar (KDOX), 17 km from the middle of the area, began a volume at 00:33 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
Jun 22, 8:35 PM EDT	TSTM WND DMG	3 S Ellendale, DE	Wires down near the intersection of South Old State Rd and Clendaniel Dr. Time estimated by 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
Jun 22, 2:08 PM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 00:00Z, 0.6 hours before the alert went out and 179 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: 2 J/kg
Mixed-layer CIN: -275 J/kg
Mixed-layer LCL: 1312 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 58 m²/s²
0-3 km storm-relative helicity: 80 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

924 
WUUS51 KPHI 230034
SVRPHI
DEC001-005-230130-
/O.NEW.KPHI.SV.W.0106.260623T0034Z-260623T0130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
834 PM EDT Mon Jun 22 2026

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Sussex County in southern Delaware...
  Southern Kent County in central Delaware...

* Until 930 PM EDT.

* At 834 PM EDT, severe thunderstorms were located along a line
  extending from Andrewsville to near Georgetown to Delmar, moving
  east at 40 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...
  Georgetown, Milford, Millsboro, Laurel, Harrington, Lewes, Milton,
  Selbyville, Delmar, Dagsboro, Millville, Ellendale, Bowers,
  Henlopen Acres, Gumboro, Cape Henlopen State Park, Andrewsville,
  Sycamore, Big Stone Beach, and Long Neck.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

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.

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 3871 7556 3889 7573 3891 7573
      3908 7539 3896 7526 3884 7518 3883 7507
      3845 7502 3846 7505 3845 7505 3845 7537
TIME...MOT...LOC 0034Z 263DEG 35KT 3886 7560 3872 7545 3848 7554 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Staarmann

3 follow-up statements

623 
WWUS51 KPHI 230046
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
846 PM EDT Mon Jun 22 2026

DEC001-005-230130-
/O.CON.KPHI.SV.W.0106.000000T0000Z-260623T0130Z/
Sussex DE-Kent DE-
846 PM EDT Mon Jun 22 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM EDT
FOR SUSSEX AND SOUTHEASTERN KENT COUNTIES...

At 846 PM EDT, severe thunderstorms were located along a line
extending from near Milford to Milton to near Gumboro, moving east at
40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Damage to roofs, siding, trees, and power lines is 
         possible.

Locations impacted include...
Georgetown, Milford, Millsboro, Harrington, Lewes, Milton,
Selbyville, Dagsboro, Millville, Ellendale, Bowers, Henlopen Acres,
Gumboro, Cape Henlopen State Park, Sycamore, Big Stone Beach, Long
Neck, Ocean View, Frankford, and Frederica.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

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.

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

&&

LAT...LON 3846 7556 3875 7548 3883 7559 3898 7556
      3908 7539 3896 7526 3884 7518 3883 7507
      3845 7502 3846 7505 3845 7505
TIME...MOT...LOC 0046Z 259DEG 36KT 3896 7542 3876 7532 3848 7543 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Staarmann

048 
WWUS51 KPHI 230108
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
908 PM EDT Mon Jun 22 2026

DEC001-230118-
/O.CAN.KPHI.SV.W.0106.000000T0000Z-260623T0130Z/
Kent DE-
908 PM EDT Mon Jun 22 2026

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN KENT COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1100 PM EDT for
southern Delaware.

LAT...LON 3846 7540 3873 7529 3886 7530 3889 7527
      3884 7518 3883 7507 3845 7502 3846 7505
      3845 7505
TIME...MOT...LOC 0108Z 261DEG 32KT 3896 7527 3879 7514 3850 7519 

$$

DEC005-230130-
/O.CON.KPHI.SV.W.0106.000000T0000Z-260623T0130Z/
Sussex DE-
908 PM EDT Mon Jun 22 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM EDT
FOR EASTERN SUSSEX COUNTY...

At 908 PM EDT, severe thunderstorms were located along a line
extending from near Big Stone Beach to Lewes to near Selbyville,
moving east at 35 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Damage to roofs, siding, trees, and power lines is 
         possible.

Locations impacted include...
Millsboro, Lewes, Selbyville, Dagsboro, Millville, Henlopen Acres,
Gumboro, Cape Henlopen State Park, 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.

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

&&

LAT...LON 3846 7540 3873 7529 3886 7530 3889 7527
      3884 7518 3883 7507 3845 7502 3846 7505
      3845 7505
TIME...MOT...LOC 0108Z 261DEG 32KT 3896 7527 3879 7514 3850 7519 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Staarmann

845 
WWUS51 KPHI 230137
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
937 PM EDT Mon Jun 22 2026

DEC005-230146-
/O.EXP.KPHI.SV.W.0106.000000T0000Z-260623T0130Z/
Sussex DE-
937 PM EDT Mon Jun 22 2026

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN SUSSEX COUNTY HAS
EXPIRED...

The storms which prompted the warning have weakened below severe
limits, and have exited the warned area. Therefore, the warning has
been allowed to expire.

A Severe Thunderstorm Watch remains in effect until 1100 PM EDT for
southern Delaware.

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 7540 3873 7529 3886 7530 3889 7527
      3884 7518 3883 7507 3845 7502 3846 7505
      3845 7505
TIME...MOT...LOC 0136Z 263DEG 35KT 3899 7493 3882 7480 3853 7486 

$$

Staarmann

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 22, 8:06 PM EDT	Severe Thunderstorm Warning	PHI	Kent, Sussex	39 min
Jun 22, 8:23 PM EDT	Tornado Warning	PHI	Sussex	22 min

Nearby

Severe Thunderstorm Warnings in Delaware, 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.