Alert archive / Delaware / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 162, NWS Philadelphia/Mount Holly

July 6, 2026Kent County, Sussex County, Delaware

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 6, 2026, 3:35 PM EDT for Kent County, Sussex County, Delaware. It was in force for 55 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 6, 2026, 3:35 PM EDT (19:35 UTC)
Expired
Jul 6, 2026, 4:30 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, Sussex County, DE

The radar

The Dover AFB radar (KDOX), 17 km from the middle of the area, began a volume at 19:38 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.

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 7.6 hours before the alert went out and 170 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 2026-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 174 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 2026-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 square meters per square second.1939Sfc1 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
174 J/kg
Mixed-layer CIN
-143 J/kg
Mixed-layer LCL
892 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
54 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

494 
WUUS51 KPHI 061935
SVRPHI
DEC001-005-062030-
/O.NEW.KPHI.SV.W.0162.260706T1935Z-260706T2030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
335 PM EDT Mon Jul 6 2026

The National Weather Service in Mount Holly NJ has issued a

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

* Until 430 PM EDT.

* At 335 PM EDT, a severe thunderstorm was located near Bowers, or 12
  miles southeast of Dover, moving southeast at 15 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...
  Milford, Bowers, Big Stone Beach, Frederica, Magnolia, and
  Riverview.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

In addition to 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.

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

&&

LAT...LON 3903 7555 3912 7539 3888 7522 3882 7544
TIME...MOT...LOC 1935Z 316DEG 11KT 3899 7542 

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

$$

Gorse
4 follow-up statements
682 
WWUS51 KPHI 061941
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
341 PM EDT Mon Jul 6 2026

DEC001-005-062030-
/O.CON.KPHI.SV.W.0162.000000T0000Z-260706T2030Z/
Sussex DE-Kent DE-
341 PM EDT Mon Jul 6 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR NORTH CENTRAL SUSSEX AND SOUTHEASTERN KENT COUNTIES...

At 340 PM EDT, a severe thunderstorm was located over Milford, or 15
miles south of Dover, moving south at 15 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Milford, Bowers, Big Stone Beach, Frederica, Magnolia, and Riverview.

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.

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

&&

LAT...LON 3903 7555 3912 7539 3888 7522 3882 7544
TIME...MOT...LOC 1940Z 337DEG 15KT 3895 7543 

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

$$

Gorse
912 
WWUS51 KPHI 061955
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
355 PM EDT Mon Jul 6 2026

DEC001-005-062030-
/O.CON.KPHI.SV.W.0162.000000T0000Z-260706T2030Z/
Sussex DE-Kent DE-
355 PM EDT Mon Jul 6 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR NORTH CENTRAL SUSSEX AND SOUTHEASTERN KENT COUNTIES...

At 355 PM EDT, a severe thunderstorm was located over Milford, or 14
miles north of Georgetown, moving southeast at 15 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Milford and Big Stone Beach.

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.

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

&&

LAT...LON 3882 7544 3896 7551 3904 7533 3903 7532
      3888 7522
TIME...MOT...LOC 1955Z 327DEG 12KT 3889 7541 

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

$$

Gorse
472 
WWUS51 KPHI 062006
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
406 PM EDT Mon Jul 6 2026

DEC001-005-062030-
/O.CON.KPHI.SV.W.0162.000000T0000Z-260706T2030Z/
Sussex DE-Kent DE-
406 PM EDT Mon Jul 6 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR NORTH CENTRAL SUSSEX AND SOUTHEASTERN KENT COUNTIES...

At 406 PM EDT, a severe thunderstorm was located near Milford, or 12
miles north of Georgetown, moving southeast at 10 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Milford.

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.

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

&&

LAT...LON 3882 7544 3894 7550 3896 7528 3888 7522
TIME...MOT...LOC 2006Z 335DEG 9KT 3887 7539 

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

$$

Gorse
752 
WWUS51 KPHI 062021
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
421 PM EDT Mon Jul 6 2026

DEC001-005-062031-
/O.EXP.KPHI.SV.W.0162.000000T0000Z-260706T2030Z/
Sussex DE-Kent DE-
421 PM EDT Mon Jul 6 2026

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL SUSSEX AND
SOUTHEASTERN KENT COUNTIES WILL EXPIRE AT 430 PM EDT...

The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However gusty
winds are still possible with this thunderstorm.

LAT...LON 3882 7544 3894 7550 3896 7528 3888 7522
TIME...MOT...LOC 2021Z 316DEG 11KT 3884 7535 

$$

Gorse

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 5, 10:05 PM EDTSevere Thunderstorm WarningPHINew Castle40 min
Jul 5, 10:37 PM EDTSevere Thunderstorm WarningPHIKent, New Castle38 min
Jul 5, 11:00 PM EDTFlash Flood Warning Considerable damage threatPHINew Castle4 hr
Jul 5, 11:30 PM EDTSevere Thunderstorm WarningPHIKent, New Castle45 min
Jul 6, 4:17 PM EDTFlash Flood WarningPHIKent, Sussex3 hr

Nearby

Severe 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.