Alert archive / Maryland / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 75, NWS Philadelphia/Mount Holly

June 19, 2025Kent County, Sussex County, Delaware; Caroline County, Queen Anne's County, Talbot County, Maryland

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 19, 2025, 5:22 PM EDT for Kent County, Sussex County, Delaware; Caroline County, Queen Anne's County, Talbot County, Maryland. It was in force for 38 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 19, 2025, 5:22 PM EDT (21:22 UTC)
Expired
Jun 19, 2025, 6:00 PM EDT
In force
38 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, Caroline County, MD, Queen Anne's County, MD, Talbot County, MD

The radar

The Dover AFB radar (KDOX), 66 km from the middle of the area, began a volume at 21:24 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 19, 1:46 PM EDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 9.4 hours before the alert went out and 105 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 2025-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 428 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 2025-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 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
428 J/kg
Mixed-layer CIN
-131 J/kg
Mixed-layer LCL
1226 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
85 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

274 
WUUS51 KPHI 192122
SVRPHI
DEC001-005-MDC011-035-041-192200-
/O.NEW.KPHI.SV.W.0075.250619T2122Z-250619T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
522 PM EDT Thu Jun 19 2025

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Northwestern Sussex County in southern Delaware...
  Southwestern Kent County in central Delaware...
  Talbot County in eastern Maryland...
  Southwestern Queen Anne's County in northeastern Maryland...
  Caroline County in eastern Maryland...

* Until 600 PM EDT.

* At 522 PM EDT, a severe thunderstorm was located over St. Michaels,
  or 9 miles west of Easton, 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...
  Easton, Talbot, Denton, Harrington, Bridgeville, Greensboro,
  Oakland, Ridgely, St. Michaels, Preston, Oxford, Queen Anne, Viola,
  Smithville, Grasonville, Starr, Copperville, Jumptown, Agner, and
  Andrewsville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3886 7626 3879 7620 3879 7619 3896 7624
      3896 7625 3891 7624 3895 7631 3884 7637
      3884 7638 3895 7636 3905 7554 3872 7548
      3867 7620 3876 7622 3871 7628 3876 7630
      3867 7634 3877 7638
TIME...MOT...LOC 2122Z 260DEG 53KT 3881 7624 

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

$$

AKL
1 follow-up statement
033 
WWUS51 KPHI 192200 RRA
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
600 PM EDT Thu Jun 19 2025

DEC001-005-MDC011-035-041-192210-
/O.EXP.KPHI.SV.W.0075.000000T0000Z-250619T2200Z/
Sussex DE-Kent DE-Talbot MD-Queen Anne's MD-Caroline MD-
600 PM EDT Thu Jun 19 2025

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN SUSSEX...
SOUTHWESTERN KENT...TALBOT...SOUTHWESTERN QUEEN ANNE'S AND CAROLINE
COUNTIES HAS EXPIRED...

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 allowed to expire.

A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
central and southern Delaware...and eastern and northeastern
Maryland.

LAT...LON 3886 7626 3879 7620 3879 7619 3896 7624
      3896 7625 3891 7624 3895 7631 3884 7637
      3884 7638 3895 7636 3905 7554 3872 7548
      3867 7620 3876 7622 3871 7628 3876 7630
      3867 7634 3877 7638
TIME...MOT...LOC 2200Z 260DEG 53KT 3889 7565 

$$

AKL

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 4:34 PM EDTSevere Thunderstorm Warning Considerable damage threatPHINew Castle41 min
Jun 19, 5:02 PM EDTTornado Warning Considerable damage threatPHINew Castle15 min
Jun 19, 5:08 PM EDTSevere Thunderstorm Warning Considerable damage threatPHIKent, New Castle52 min
Jun 19, 5:13 PM EDTSevere Thunderstorm Warning Considerable damage threatPHINew Castle47 min
Jun 19, 5:23 PM EDTSevere Thunderstorm WarningPHINew Castle52 min
Jun 19, 5:41 PM EDTSevere Thunderstorm Warning Considerable damage threatPHINew Castle49 min
Jun 19, 5:55 PM EDTSevere Thunderstorm WarningPHIKent, New Castle39 min
Jun 19, 6:14 PM EDTSevere Thunderstorm WarningPHIKent, Sussex46 min
Jun 19, 6:55 PM EDTSevere Thunderstorm WarningPHISussex50 min
Jun 19, 6:58 PM EDTSevere Thunderstorm WarningPHISussex47 min
Jun 19, 7:48 PM EDTSevere Thunderstorm WarningPHISussex27 min

Nearby

Severe Thunderstorm Warnings in Maryland, 2025Severe Thunderstorm Warnings in Delaware, 2025Every severe thunderstorm warning in 2025

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.