Alert archive / Maryland / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 80, NWS Philadelphia/Mount Holly

June 14, 2026Caroline County, Maryland; Sussex County, Delaware

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 14, 2026, 9:04 PM EDT for Caroline County, Maryland; Sussex County, Delaware. It was in force for 37 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
Jun 14, 2026, 9:04 PM EDT (01:04 UTC)
Expired
Jun 14, 2026, 9:41 PM EDT
In force
37 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Sussex County, DE, Caroline County, MD

The radar

The Dover AFB radar (KDOX), 25 km from the middle of the area, began a volume at 01:09 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 14, 7:06 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 00:00Z, 1.1 hours before the alert went out and 155 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 00:00Z on 2026-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 916 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 00:00Z on 2026-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 115 square meters per square second.19395878Sfc1 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
916 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
1620 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
115 m²/s²
0-3 km storm-relative helicity
225 m²/s²
Significant tornado parameter
0.2
Supercell composite
6.4

Open this sounding in Storm Lab

The text

As transmitted.

447 
WUUS51 KPHI 150104
SVRPHI
DEC005-MDC011-150200-
/O.NEW.KPHI.SV.W.0080.260615T0104Z-260615T0200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
904 PM EDT Sun Jun 14 2026

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Western Sussex County in southern Delaware...
  Southeastern Caroline County in eastern Maryland...

* Until 1000 PM EDT.

* At 904 PM EDT, a severe thunderstorm was located over Vienna, or 12
  miles south of Hurlock, moving northeast at 30 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Georgetown, Seaford, Laurel, Federalsburg, Milton, Bridgeville,
  Delmar, Ellendale, Smithville, Agner, Sycamore, Blades, Greenwood,
  and Bethel.

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 3846 7569 3865 7572 3869 7577 3868 7580
      3870 7580 3871 7588 3884 7568 3884 7555
      3890 7547 3870 7521 3845 7553
TIME...MOT...LOC 0104Z 240DEG 27KT 3845 7581 

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

$$

Hoeflich
3 follow-up statements
822 
WWUS51 KPHI 150119
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
919 PM EDT Sun Jun 14 2026

DEC005-MDC011-150200-
/O.CON.KPHI.SV.W.0080.000000T0000Z-260615T0200Z/
Sussex DE-Caroline MD-
919 PM EDT Sun Jun 14 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM EDT
FOR WESTERN SUSSEX AND SOUTHEASTERN CAROLINE COUNTIES...

At 919 PM EDT, a severe thunderstorm was located over Sharptown, or
10 miles northwest of Salisbury, moving northeast at 30 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Georgetown, Seaford, Laurel, Federalsburg, Milton, Bridgeville,
Delmar, Ellendale, Smithville, Agner, Sycamore, Blades, Greenwood,
and Bethel.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3870 7521 3846 7552 3845 7553 3846 7569
      3865 7572 3869 7577 3868 7580 3870 7580
      3871 7588 3884 7568 3884 7555 3890 7547
TIME...MOT...LOC 0119Z 240DEG 27KT 3851 7569 

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

$$

Hoeflich
050 
WWUS51 KPHI 150127
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
927 PM EDT Sun Jun 14 2026

MDC011-150137-
/O.CAN.KPHI.SV.W.0080.000000T0000Z-260615T0200Z/
Caroline MD-
927 PM EDT Sun Jun 14 2026

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

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

A Severe Thunderstorm Watch remains in effect until 100 AM EDT for
southern Delaware...and eastern Maryland.

LAT...LON 3846 7560 3846 7567 3851 7570 3866 7571
      3889 7546 3870 7521 3846 7552 3845 7557
TIME...MOT...LOC 0127Z 240DEG 27KT 3854 7562 

$$

DEC005-150200-
/O.CON.KPHI.SV.W.0080.000000T0000Z-260615T0200Z/
Sussex DE-
927 PM EDT Sun Jun 14 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM EDT
FOR WESTERN SUSSEX COUNTY...

At 927 PM EDT, a severe thunderstorm was located over Laurel, or 11
miles north of Salisbury, moving northeast at 30 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Georgetown, Seaford, Laurel, Milton, Bridgeville, Delmar, Ellendale,
Sycamore, Blades, and Bethel.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3846 7560 3846 7567 3851 7570 3866 7571
      3889 7546 3870 7521 3846 7552 3845 7557
TIME...MOT...LOC 0127Z 240DEG 27KT 3854 7562 

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

$$

Hoeflich
208 
WWUS51 KPHI 150141
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
941 PM EDT Sun Jun 14 2026

DEC005-150151-
/O.CAN.KPHI.SV.W.0080.000000T0000Z-260615T0200Z/
Sussex DE-
941 PM EDT Sun Jun 14 2026

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN SUSSEX COUNTY IS
CANCELLED...

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 has been cancelled.

A Severe Thunderstorm Watch remains in effect until 100 AM EDT for
southern Delaware...and eastern Maryland.

LAT...LON 3846 7560 3846 7567 3851 7570 3866 7571
      3889 7546 3870 7521 3846 7552 3845 7557
TIME...MOT...LOC 0138Z 240DEG 27KT 3856 7543 

$$

Hoeflich

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 9:54 PM EDTSevere Thunderstorm WarningPHINew Castle51 min
Jun 14, 10:15 PM EDTFlash Flood WarningPHINew Castle3 hr
Jun 14, 10:38 PM EDTFlash Flood WarningPHINew Castle3 hr
Jun 15, 3:10 AM EDTCoastal Flood AdvisoryPHIKent, Sussex23 hr

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