Alert archive / Maryland / Tornado Warnings in 2026

Tornado Warning 29, NWS Philadelphia/Mount Holly

August 20, 2026Queen Anne's County, Maryland; Kent County, Delaware

NWS Philadelphia/Mount Holly issued this tornado warning at Aug 20, 2026, 5:39 PM EDT for Queen Anne's County, Maryland; Kent County, Delaware. It was in force for 36 min. 8 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: Aug 20, 2026, 5:39 PM EDT (21:39 UTC)
Expired: Aug 20, 2026, 6:15 PM EDT
In force: 36 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Kent County, DE, Queen Anne's County, MD

The radar

The Dover AFB radar (KDOX), 53 km from the middle of the area, began a volume at 21:39 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
Aug 20, 5:41 PM EDT	TORNADO	2 W Barclay, MD	A brief tornado occurred near Barclay, snapping and uprooting several softwood and hardwood trees in a wooded area next to a residence located near the intersection of Dell Foxx Rd and Barclay Rd. The tornado then moved east across a bean field and onto a resi
Aug 20, 5:41 PM EDT	TORNADO	2 W Barclay, MD	A brief tornado occurred near Barclay, snapping and uprooting several softwood and hardwood trees in a wooded area next to a residence located near the intersection of Dell Foxx Rd and Barclay Rd. The tornado then moved east across a bean field and onto a resi
Aug 20, 5:54 PM EDT	TORNADO	1 S Marydel, DE	A tornado occurred in Marydel beginning along the east side of Grygo Rd, about a quarter mile south of the intersection of Mahan Corner Rd, taking down several tree limbs near a residence. It then crossed Grygo Rd and uprooted two very large oak trees that fel
Aug 20, 5:57 PM EDT	TSTM WND DMG	2 N Templeville, MD	A few large trees down along Busic Church Road just north of Everett Road. The trees took down power lines, which also caused a power pole to break. Time estimated from radar.
Aug 20, 5:57 PM EDT	TSTM WND DMG	2 N Templeville, MD	A few large trees down along Busic Church Road just north of Everett Road. The trees took down power lines, which also caused a power pole to break. Time estimated from radar.
Aug 20, 5:59 PM EDT	TSTM WND DMG	2 Se Hartly, DE	Metal roof panels blown off of a single wide mobile home along Route 8 near Crystal Road. No other notable damage nearby. Time estimated from radar.
Aug 20, 6:00 PM EDT	TSTM WND DMG	1 S Hartly, DE	Picture sent in where numerous trees were uprooted and some split off their base. Time estimated from radar.
Aug 20, 6:10 PM EDT	TSTM WND DMG	Marydel, DE	Downed tree, took down power pole and wires IAO 1900 blk of Busic Church Rd; 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
Aug 20, 2:31 PM EDT	Severe Thunderstorm Watch	SPC	7 hr
Aug 20, 2:58 PM EDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 9.7 hours before the alert went out and 139 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: 97 J/kg
Mixed-layer CIN: -72 J/kg
Mixed-layer LCL: 1192 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 115 m²/s²
0-3 km storm-relative helicity: 230 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

As transmitted.

125 
WFUS51 KPHI 202139
TORPHI
DEC001-MDC035-202215-
/O.NEW.KPHI.TO.W.0029.260820T2139Z-260820T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mount Holly NJ
Issued by National Weather Service New York NY
539 PM EDT Thu Aug 20 2026

The National Weather Service in Mount Holly NJ has issued a

* Tornado Warning for...
  Northwestern Kent County in central Delaware...
  Northeastern Queen Anne's County in northeastern Maryland...

* Until 615 PM EDT.

* At 539 PM EDT, severe thunderstorms capable of producing both
  tornadoes and extensive straight line wind damage were located over
  Church Hill, or 10 miles northeast of Centerville, moving east at
  35 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  Church Hill, Millington, Sudlersville, Hartly, Kenton, Templeville,
  and Barclay.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 3921 7602 3925 7589 3925 7587 3926 7586
      3924 7581 3925 7576 3927 7576 3929 7566
      3909 7565 3910 7574 3914 7575 3913 7579
      3911 7583 3912 7597
TIME...MOT...LOC 2139Z 262DEG 28KT 3915 7593 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Staarmann

3 follow-up statements

575 
WWUS51 KPHI 202146
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
Issued by National Weather Service New York NY
546 PM EDT Thu Aug 20 2026

DEC001-MDC035-202215-
/O.CON.KPHI.TO.W.0029.000000T0000Z-260820T2215Z/
Kent DE-Queen Anne's MD-
546 PM EDT Thu Aug 20 2026

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM EDT FOR
NORTHWESTERN KENT AND NORTHEASTERN QUEEN ANNE'S COUNTIES...

At 546 PM EDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located over
Sudlersville, or 13 miles northeast of Centerville, moving east at 30
mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Sudlersville, Hartly, Kenton, Templeville, and Barclay.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 3921 7596 3925 7576 3927 7576 3929 7566
      3909 7565 3910 7574 3914 7575 3913 7579
      3911 7583 3912 7589
TIME...MOT...LOC 2146Z 262DEG 28KT 3916 7586 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Staarmann

767 
WWUS51 KPHI 202154
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
Issued by National Weather Service New York NY
554 PM EDT Thu Aug 20 2026

DEC001-MDC035-202215-
/O.CON.KPHI.TO.W.0029.000000T0000Z-260820T2215Z/
Kent DE-Queen Anne's MD-
554 PM EDT Thu Aug 20 2026

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM EDT FOR
NORTHWESTERN KENT AND NORTHEASTERN QUEEN ANNE'S COUNTIES...

At 553 PM EDT, a confirmed tornado was located near Hartly, or 14
miles west of Dover, moving east at 30 mph.

HAZARD...Damaging tornado.

SOURCE...Radar confirmed tornado.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Sudlersville, Hartly, Kenton, and Templeville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado has been confirmed. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

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

&&

LAT...LON 3921 7588 3925 7578 3925 7576 3926 7575
      3929 7566 3909 7565 3910 7574 3914 7575
      3913 7579 3911 7583
TIME...MOT...LOC 2153Z 262DEG 28KT 3917 7578 

TORNADO...OBSERVED
MAX HAIL SIZE...<.75 IN

$$

Staarmann

265 
WWUS51 KPHI 202206
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
Issued by National Weather Service New York NY
606 PM EDT Thu Aug 20 2026

MDC035-202216-
/O.CAN.KPHI.TO.W.0029.000000T0000Z-260820T2215Z/
Queen Anne's MD-
606 PM EDT Thu Aug 20 2026

...THE TORNADO WARNING FOR NORTHEASTERN QUEEN ANNE'S COUNTY IS
CANCELLED...

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

A Tornado Watch remains in effect until 1000 PM EDT for central
Delaware.

LAT...LON 3925 7566 3909 7565 3909 7568 3922 7574
TIME...MOT...LOC 2206Z 262DEG 27KT 3918 7566 

$$

DEC001-202215-
/O.CON.KPHI.TO.W.0029.000000T0000Z-260820T2215Z/
Kent DE-
606 PM EDT Thu Aug 20 2026

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM EDT FOR WEST
CENTRAL KENT COUNTY...

At 606 PM EDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located over
Hartly, or 7 miles west of Dover, moving east at 30 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Hartly and Kenton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

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

&&

LAT...LON 3925 7566 3909 7565 3909 7568 3922 7574
TIME...MOT...LOC 2206Z 262DEG 27KT 3918 7566 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Staarmann

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 20, 2:43 PM EDT	Tornado Warning	PHI	Kent, Queen Anne's	32 min
Aug 20, 5:05 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Kent, Queen Anne's, Talbot	40 min
Aug 20, 5:30 PM EDT	Tornado Warning	PHI	Kent, Queen Anne's	30 min
Aug 20, 5:40 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Kent, Queen Anne's	50 min
Aug 20, 6:21 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Queen Anne's, Talbot	39 min
Aug 20, 6:53 PM EDT	Flash Flood Warning Considerable damage threat	PHI	Caroline, Queen Anne's	105 min
Aug 20, 6:57 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Talbot	48 min
Aug 20, 4:16 PM EDT	Tornado Warning	PHI	Kent	29 min
Aug 20, 4:50 PM EDT	Severe Thunderstorm Warning Considerable damage threat	PHI	New Castle	40 min
Aug 20, 5:27 PM EDT	Severe Thunderstorm Warning Considerable damage threat	PHI	New Castle	48 min
Aug 20, 5:39 PM EDT	Flash Flood Warning	PHI	New Castle	4 hr
Aug 20, 6:03 PM EDT	Tornado Warning	PHI	Kent	42 min
Aug 20, 6:09 PM EDT	Severe Thunderstorm Warning	PHI	Kent, New Castle	51 min
Aug 20, 6:13 PM EDT	Severe Thunderstorm Warning	PHI	New Castle	47 min

Nearby

Tornado Warnings in Maryland, 2026 Tornado Warnings in Delaware, 2026 Every tornado warning in 2026 Tornadoes 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.