Alert archive / Maryland / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 52, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 27, 2026, 11:20 AM EDT for Caroline County, Kent County, Queen Anne's County, Maryland; Kent County, New Castle County, Delaware. It was in force for 40 min. 2 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
- May 27, 2026, 11:20 AM EDT (15:20 UTC)
- Expired
- May 27, 2026, 12:00 PM EDT
- In force
- 40 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Kent County, DE, New Castle County, DE, Caroline County, MD, Kent County, MD, Queen Anne's County, MD
The radar
The Dover AFB radar (KDOX), 61 km from the middle of the area, began a volume at 15:19 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 |
|---|---|---|---|
| May 27, 11:30 AM EDT | TSTM WND DMG | Hartly, DE | Corrects previous tstm wnd dmg report from Hartly. Picture on social media showed some large tree limbs snapped off in Hartly. Time estimated from radar. |
| May 27, 11:55 AM EDT | TSTM WND GST 50 | 1 N Highland Acres, DE | Trained spotter on Manor Drive in Dover estimated wind gusts 45 to 50 mph with a thunderstorm. No damage observed. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 3.3 hours before the alert went out and 146 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.
- Mixed-layer CAPE
- 295 J/kg
- Mixed-layer CIN
- -61 J/kg
- Mixed-layer LCL
- 629 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- -12 m²/s²
- 0-3 km storm-relative helicity
- 53 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.2
The text
As transmitted.
902
WUUS51 KPHI 271520
SVRPHI
DEC001-003-MDC011-029-035-271600-
/O.NEW.KPHI.SV.W.0052.260527T1520Z-260527T1600Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
1120 AM EDT Wed May 27 2026
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Southwestern New Castle County in northern Delaware...
Kent County in central Delaware...
Northeastern Queen Anne's County in northeastern Maryland...
Northeastern Caroline County in eastern Maryland...
Northeastern Kent County in northeastern Maryland...
* Until noon EDT.
* At 1120 AM EDT, a severe thunderstorm was located over
Sudlersville, or 15 miles northeast of Centerville, moving east at
40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Dover, Smyrna, Camden, Clayton, Cheswold, Church Hill, Millington,
Sudlersville, Bowers, Goldsboro, Woodside, Viola, Hartly, Rising
Sun-Lebanon, Woodland Beach, Hazlettville, Delaney Corner, Dover
Base Housing, Crumpton, and Dover Speedway.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3936 7598 3937 7593 3936 7588 3937 7588
3937 7585 3938 7582 3938 7577 3939 7576
3943 7549 3924 7536 3898 7529 3902 7601
TIME...MOT...LOC 1520Z 273DEG 34KT 3920 7585
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MJL1 follow-up statement
544
WWUS51 KPHI 271541
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
1141 AM EDT Wed May 27 2026
MDC011-029-035-271551-
/O.CAN.KPHI.SV.W.0052.000000T0000Z-260527T1600Z/
Queen Anne's MD-Caroline MD-Kent MD-
1141 AM EDT Wed May 27 2026
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN QUEEN ANNE'S...
NORTHEASTERN CAROLINE AND NORTHEASTERN KENT COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3942 7548 3924 7536 3898 7529 3901 7572
3938 7576
TIME...MOT...LOC 1541Z 273DEG 34KT 3919 7559
$$
DEC001-003-271600-
/O.CON.KPHI.SV.W.0052.000000T0000Z-260527T1600Z/
New Castle DE-Kent DE-
1141 AM EDT Wed May 27 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL NOON EDT FOR
SOUTHWESTERN NEW CASTLE AND KENT COUNTIES...
At 1141 AM EDT, a severe thunderstorm was located over Cheswold, or
near Dover, moving east at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Dover, Smyrna, Camden, Clayton, Cheswold, Bowers, Woodside, Viola,
Hartly, Rising Sun-Lebanon, Woodland Beach, Hazlettville, Delaney
Corner, Dover Base Housing, Dover Speedway, Sandtown, Green Spring,
Rising Sun, Big Stone Beach, and Townsend.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3942 7548 3924 7536 3898 7529 3901 7572
3938 7576
TIME...MOT...LOC 1541Z 273DEG 34KT 3919 7559
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
FitzsimmonsThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 11:58 AM EDT | Severe Thunderstorm Warning | PHI | Kent | 62 min |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.