Alert archive / Delaware / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 265, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 28, 2026, 6:59 PM EDT for Kent County, Sussex County, Delaware; Caroline County, Talbot County, Maryland. It was in force for 61 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
- Jul 28, 2026, 6:59 PM EDT (22:59 UTC)
- Expired
- Jul 28, 2026, 8:00 PM EDT
- In force
- 61 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Kent County, DE, Sussex County, DE, Caroline County, MD, Talbot County, MD
The radar
The Dover AFB radar (KDOX), 51 km from the middle of the area, began a volume at 23:00 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 28, 7:07 PM EDT | TSTM WND DMG | 2 Nne Easton Municipal, MD | Metal roofing was blown off a produce stand along US Highway 50. |
| Jul 28, 7:22 PM EDT | TSTM WND DMG | 2 N Preston, MD | Report of trees down on Newton Rd near Preston. Time estimated by 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 28, 2:48 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 28, 4:20 PM EDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 11.0 hours before the alert went out and 121 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
- 710 J/kg
- Mixed-layer CIN
- -79 J/kg
- Mixed-layer LCL
- 968 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 174 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.2
The text
As transmitted.
455
WUUS51 KPHI 282259
SVRPHI
DEC001-005-MDC011-041-290000-
/O.NEW.KPHI.SV.W.0265.260728T2259Z-260729T0000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
659 PM EDT Tue Jul 28 2026
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northern Sussex County in southern Delaware...
Kent County in central Delaware...
Talbot County in eastern Maryland...
Caroline County in eastern Maryland...
* Until 800 PM EDT.
* At 659 PM EDT, severe thunderstorms were located along a line
extending from near Hartly to near Ridgely to near Tilghman Island,
moving east at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Dover, Easton, Milford, Denton, Harrington, Camden, Lewes,
Federalsburg, Milton, Bridgeville, Greensboro, Ridgely, Trappe, St.
Michaels, Preston, Oxford, Ellendale, Bowers, Queen Anne, and
Woodside.
People at the Delaware State Fair should seek safe shelter
immediately!
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1000 PM EDT for central and
southern Delaware...and eastern and northeastern Maryland.
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
A Tornado Watch remains in effect until 1000 PM EDT for central and
southern Delaware...and eastern and northeastern Maryland.
&&
LAT...LON 3874 7634 3872 7630 3876 7630 3881 7622
3879 7620 3882 7620 3892 7595 3925 7536
3896 7527 3881 7514 3866 7573 3871 7584
3870 7590 3857 7604 3863 7608 3868 7621
3873 7623 3874 7621 3876 7622 3868 7634
TIME...MOT...LOC 2259Z 288DEG 27KT 3920 7570 3891 7588 3877 7639
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MJL2 follow-up statements
974
WWUS51 KPHI 282318
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
718 PM EDT Tue Jul 28 2026
DEC001-005-MDC011-041-290000-
/O.CON.KPHI.SV.W.0265.000000T0000Z-260729T0000Z/
Sussex DE-Kent DE-Talbot MD-Caroline MD-
718 PM EDT Tue Jul 28 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR NORTHERN SUSSEX...KENT...TALBOT AND CAROLINE COUNTIES...
At 718 PM EDT, severe thunderstorms were located along a line
extending from near Dover Speedway to near Andrewsville to near
Oxford, moving southeast at 40 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...
Dover, Easton, Milford, Denton, Harrington, Camden, Lewes,
Federalsburg, Milton, Bridgeville, Greensboro, Ridgely, Trappe, St.
Michaels, Preston, Oxford, Ellendale, Bowers, Queen Anne, and
Woodside.
People at the Delaware State Fair should seek safe shelter
immediately!
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1000 PM EDT for central and
southern Delaware...and eastern and northeastern Maryland.
For your protection move to an interior room on the lowest floor of a
building.
Frequent cloud to ground lightning is occurring with these storms.
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.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3874 7634 3872 7630 3876 7630 3881 7622
3879 7620 3882 7620 3892 7595 3925 7536
3896 7527 3881 7514 3866 7573 3871 7584
3870 7590 3857 7604 3863 7608 3868 7621
3873 7623 3874 7621 3876 7622 3868 7634
TIME...MOT...LOC 2318Z 292DEG 33KT 3919 7548 3886 7570 3870 7621
TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
Staarmann729
WWUS51 KPHI 282350
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
750 PM EDT Tue Jul 28 2026
DEC001-005-MDC011-041-290000-
/O.CON.KPHI.SV.W.0265.000000T0000Z-260729T0000Z/
Sussex DE-Kent DE-Talbot MD-Caroline MD-
750 PM EDT Tue Jul 28 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR NORTHERN SUSSEX...SOUTHEASTERN KENT...SOUTHEASTERN TALBOT AND
SOUTHERN CAROLINE COUNTIES...
At 750 PM EDT, severe thunderstorms were located along a line
extending from 6 miles northeast of Big Stone Beach to Ellendale to
Secretary, moving east at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Milford, Lewes, Federalsburg, Milton, Bridgeville, Trappe, Preston,
Oxford, Ellendale, Smithville, Agner, Choptank, Hambleton, Big Stone
Beach, Windyhill, and Greenwood.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1000 PM EDT for central and
southern Delaware...and eastern Maryland.
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3863 7608 3868 7620 3872 7594 3887 7547
3910 7532 3896 7527 3881 7514 3866 7573
3871 7584 3870 7590 3866 7596 3857 7604
TIME...MOT...LOC 2350Z 287DEG 27KT 3907 7524 3879 7541 3863 7592
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
StaarmannThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 28, 5:29 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 61 min |
| Jul 28, 5:53 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 52 min |
| Jul 28, 6:08 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 52 min |
| Jul 28, 6:16 PM EDT | Tornado Warning | PHI | New Castle | 29 min |
| Jul 28, 6:23 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 67 min |
| Jul 28, 6:38 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 67 min |
| Jul 28, 6:46 PM EDT | Tornado Warning | PHI | New Castle | 29 min |
| Jul 28, 6:55 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 50 min |
| Jul 28, 7:11 PM EDT | Flash Flood Warning | PHI | New Castle | 3 hr |
| Jul 28, 7:40 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 50 min |
| Jul 28, 5:15 PM EDT | Severe Thunderstorm Warning | PHI | Talbot | 45 min |
| Jul 28, 5:45 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 60 min |
| Jul 28, 5:51 PM EDT | Tornado Warning | PHI | Talbot | 24 min |
| Jul 28, 5:58 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Talbot | 47 min |
| Jul 28, 6:15 PM EDT | Tornado Warning | PHI | Kent, Queen Anne's | 30 min |
| Jul 28, 6:55 PM EDT | Tornado Warning | PHI | Queen Anne's, Talbot | 35 min |
Nearby
Severe Thunderstorm Warnings in Delaware, 2026Severe Thunderstorm Warnings in Maryland, 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.