Alert archive / Maryland / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 50, NWS Philadelphia/Mount Holly

May 16, 20254 counties in Maryland

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 16, 2025, 5:40 PM EDT for 4 counties in Maryland. It was in force for 50 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
May 16, 2025, 5:40 PM EDT (21:40 UTC)
Expired
May 16, 2025, 6:30 PM EDT
In force
50 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Caroline County, MD, Kent County, MD, Queen Anne's County, MD, Talbot County, MD

The radar

The Dover AFB radar (KDOX), 67 km from the middle of the area, began a volume at 21:40 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
May 16, 4:36 PM EDTSevere Thunderstorm WatchSPC3 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 9.7 hours before the alert went out and 104 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 2025-05-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 657 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 2025-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 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
657 J/kg
Mixed-layer CIN
-104 J/kg
Mixed-layer LCL
781 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
31 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.9

Open this sounding in Storm Lab

The text

As transmitted.

249 
WUUS51 KPHI 162140
SVRPHI
MDC011-029-035-041-162230-
/O.NEW.KPHI.SV.W.0050.250516T2140Z-250516T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
540 PM EDT Fri May 16 2025

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Northern Talbot County in eastern Maryland...
  Southern Queen Anne's County in northeastern Maryland...
  Caroline County in eastern Maryland...
  Southwestern Kent County in northeastern Maryland...

* Until 630 PM EDT.

* At 540 PM EDT, a severe thunderstorm was located over Talbot, or 11
  miles east of South River, 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...
  Easton, Centerville, Talbot, Denton, Centreville, Greensboro,
  Oakland, Ridgely, St. Michaels, Goldsboro, Queen Anne, Smithville,
  Grasonville, Starr, Copperville, Jumptown, Harmony, Stevensville,
  Skipton, and Chester.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3902 7632 3897 7622 3900 7617 3903 7620
      3908 7574 3876 7572 3879 7632 3886 7626
      3879 7622 3879 7620 3893 7620 3897 7625
      3891 7624 3894 7628 3890 7628 3896 7631
      3884 7637
TIME...MOT...LOC 2140Z 266DEG 37KT 3885 7628 

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

$$

RCM
1 follow-up statement
615 
WWUS51 KPHI 162150
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
550 PM EDT Fri May 16 2025

MDC011-029-035-041-162230-
/O.CON.KPHI.SV.W.0050.000000T0000Z-250516T2230Z/
Talbot MD-Queen Anne's MD-Caroline MD-Kent MD-
550 PM EDT Fri May 16 2025

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR NORTHERN TALBOT...SOUTHERN QUEEN ANNE'S...CAROLINE AND
SOUTHWESTERN KENT COUNTIES...

At 549 PM EDT, a severe thunderstorm was located over Talbot, or 11
miles northwest of Easton, moving east at 35 mph.

HAZARD...Golf ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Wind damage 
         to roofs, siding, trees, and power lines is possible.

Locations impacted include...
Easton, Centerville, Talbot, Denton, Centreville, Greensboro,
Oakland, Ridgely, St. Michaels, Goldsboro, Queen Anne, Smithville,
Grasonville, Starr, Copperville, Jumptown, Harmony, Stevensville,
Skipton, and Chester.

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.

&&

LAT...LON 3902 7632 3897 7622 3900 7617 3903 7620
      3908 7574 3876 7572 3879 7632 3886 7626
      3879 7622 3879 7620 3893 7620 3897 7625
      3891 7624 3894 7628 3890 7628 3896 7631
      3884 7637
TIME...MOT...LOC 2149Z 265DEG 29KT 3886 7626 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Staarmann

The office that day

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

IssuedProductOfficeCountiesLasted
May 16, 6:04 PM EDTSevere Thunderstorm Warning Considerable damage threatPHICaroline, Kent, Queen Anne's, Talbot56 min
May 16, 6:11 PM EDTSevere Thunderstorm Warning Destructive damage threatPHICaroline, Kent, Queen Anne's, Talbot64 min
May 16, 6:56 PM EDTTornado WarningPHICaroline34 min

Nearby

Severe Thunderstorm Warnings in Maryland, 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.