Alert archive / Maryland / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 197, NWS Philadelphia/Mount Holly

July 18, 2026Caroline County, Queen Anne's County, Talbot County, Maryland

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 18, 2026, 5:53 PM EDT for Caroline County, Queen Anne's County, Talbot County, Maryland. It was in force for 52 min. 5 reports 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: Jul 18, 2026, 5:53 PM EDT (21:53 UTC)
Expired: Jul 18, 2026, 6:45 PM EDT
In force: 52 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Damage threat: Considerable
Hail: 0.75 in
Wind: 70.0 mph

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

The radar

The Dover AFB radar (KDOX), 68 km from the middle of the area, began a volume at 21:53 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
Jul 18, 6:05 PM EDT	TSTM WND DMG	3 E Tilghman, MD	Shingles and trim blown off houses, and a tree uprooted along the shore of Balls Creek. A dock was also reportedly destroyed. Time estimated from radar.
Jul 18, 6:20 PM EDT	TSTM WND DMG	1 Se Easton, MD	A few trees were blown down in various areas around the county. Time estimated based on the peak radar velocity signature.
Jul 18, 6:20 PM EDT	TSTM WND DMG	Royal Oak, MD	several tree limbs blown down. Time estimated from radar.
Jul 18, 6:24 PM EDT	TSTM WND DMG	3 Nw Hambleton, MD	2 trees down at Talbot Country Club.
Jul 18, 6:30 PM EDT	TSTM WND DMG	Ridgely, MD	A few trees were blown down between Queen Anne and Ridgely. Time Estimated from 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
Jul 18, 1:55 PM EDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 9.9 hours before the alert went out and 103 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: 1396 J/kg
Mixed-layer CIN: -112 J/kg
Mixed-layer LCL: 936 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 126 m²/s²
0-3 km storm-relative helicity: 131 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 5.1

Open this sounding in Storm Lab

The text

As transmitted.

199 
WUUS51 KPHI 182153
SVRPHI
MDC011-035-041-182245-
/O.NEW.KPHI.SV.W.0197.260718T2153Z-260718T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
553 PM EDT Sat Jul 18 2026

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Talbot County in eastern Maryland...
  South central Queen Anne's County in northeastern Maryland...
  Southwestern Caroline County in eastern Maryland...

* Until 645 PM EDT.

* At 553 PM EDT, a severe thunderstorm was located over St. Michaels,
  or 10 miles west of Easton, moving east at 25 mph.

  HAZARD...70 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect considerable tree damage. Damage is likely to 
           mobile homes, roofs, and outbuildings.

* Locations impacted include...
  Easton, Talbot, Ridgely, St. Michaels, Preston, Oxford, Queen Anne,
  Tanyard, Harmony, Tilghman Island, Skipton, Copperville, Jumptown,
  Matthews, Hambleton, Griffin, Cordova, and Hillsboro.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 900 PM EDT for eastern and
northeastern Maryland.

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

To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Mount Holly NJ.

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

A Tornado Watch remains in effect until 900 PM EDT for eastern and
northeastern Maryland.

&&

LAT...LON 3882 7631 3885 7636 3883 7629 3886 7626
      3879 7620 3890 7620 3898 7588 3870 7581
      3868 7621 3872 7624 3876 7622 3876 7625
      3871 7628 3878 7629 3871 7633 3885 7638
TIME...MOT...LOC 2153Z 259DEG 22KT 3878 7627 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

MPS

1 follow-up statement

497 
WWUS51 KPHI 182236
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
636 PM EDT Sat Jul 18 2026

MDC011-035-041-182246-
/O.EXP.KPHI.SV.W.0197.000000T0000Z-260718T2245Z/
Talbot MD-Queen Anne's MD-Caroline MD-
636 PM EDT Sat Jul 18 2026

...THE SEVERE THUNDERSTORM WARNING FOR TALBOT...SOUTH CENTRAL QUEEN
ANNE'S AND SOUTHWESTERN CAROLINE COUNTIES WILL EXPIRE AT 645 PM
EDT...

The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.  However gusty
winds and heavy rain are still possible with this thunderstorm.

A Tornado Watch remains in effect until 900 PM EDT for eastern and
northeastern Maryland.

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 3882 7631 3885 7636 3883 7629 3886 7626
      3879 7620 3890 7620 3898 7588 3870 7581
      3868 7621 3872 7624 3876 7622 3876 7625
      3871 7628 3878 7629 3871 7633 3885 7638
TIME...MOT...LOC 2236Z 259DEG 22KT 3882 7598 

$$

MPS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 18, 2:12 AM EDT	Heat Advisory	PHI	Caroline, Queen Anne's, Talbot	17 hr
Jul 18, 5:39 AM EDT	Flash Flood Warning	PHI	Caroline, Queen Anne's, Talbot	62 min
Jul 18, 6:09 AM EDT	Flash Flood Warning	PHI	Kent, Queen Anne's	55 min
Jul 18, 4:13 PM EDT	Severe Thunderstorm Warning	PHI	Kent, Queen Anne's	62 min
Jul 18, 5:05 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Talbot	40 min
Jul 18, 5:14 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Kent, Queen Anne's, Talbot	61 min
Jul 18, 5:26 PM EDT	Severe Thunderstorm Warning Destructive damage threat	PHI	Caroline, Queen Anne's, Talbot	49 min
Jul 18, 6:24 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Talbot	20 min
Jul 18, 6:25 PM EDT	Flash Flood Warning	PHI	Caroline, Talbot	4 hr
Jul 18, 6:27 PM EDT	Tornado Warning	PHI	Caroline	33 min
Jul 18, 6:40 PM EDT	Severe Thunderstorm Warning Considerable damage threat	PHI	Caroline	36 min

Nearby

Severe Thunderstorm Warnings in Maryland, 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.