Alert archive / Maryland / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 12, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Mar 16, 2026, 10:07 PM EDT for Kent County, Maryland; New Castle County, Delaware. It was in force for 53 min. 14 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
- Mar 16, 2026, 10:07 PM EDT (02:07 UTC)
- Expired
- Mar 16, 2026, 11:00 PM EDT
- In force
- 53 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties New Castle County, DE, Kent County, MD
The radar
The Dover AFB radar (KDOX), 83 km from the middle of the area, began a volume at 02:10 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 |
|---|---|---|---|
| Mar 16, 10:20 PM EDT | TSTM WND GST 67 | 2 N Galena, MD | Sassafras River Bridge mesonet. |
| Mar 16, 10:32 PM EDT | TSTM WND DMG | Hockessin, DE | Corrects previous tstm wnd dmg report from Hockessin. Numerous reports of tree damage and powerlines down across much of northern New Castle County. Time estimated. |
| Mar 16, 10:32 PM EDT | TSTM WND DMG | Hockessin, DE | Numerous reports of tree damage and powerlines down across much of northern New Castle County. Time estimated. |
| Mar 16, 10:33 PM EDT | TSTM WND DMG | 1 Wnw Brookside, DE | Several wires down along Route 72 in Brookside. Time estimated from radar. |
| Mar 16, 10:38 PM EDT | TSTM WND DMG | Winterthur, DE | Numerous reports of tree damage and powerlines down across much of northern New Castle County. Time estimated. |
| Mar 16, 10:40 PM EDT | TSTM WND DMG | Holiday Hills, DE | Tree down into a house. Time estimated from radar. |
| Mar 16, 10:41 PM EDT | TSTM WND DMG | 1 N Wilmington, DE | Downed tree in Wilmington blocking an exit off 95 Northbound. Downed tree limbs also reported in neighborhoods nearby. Time estimated from radar. |
| Mar 16, 10:42 PM EDT | TSTM WND DMG | 1 Ene Wilmington, DE | Numerous reports of tree damage and powerlines down across the city of Wilmington. Time estimated. |
| Mar 16, 10:48 PM EDT | TSTM WND DMG | Rockland, DE | ROCKLAND RD. IS CLOSED IN BOTH DIRECTIONS FROM MONTCHANIN CT. TO MONTCHANIN RD. DUE TO A TREE DOWN IN WIRES. Time estimated from radar. |
| Mar 16, 10:50 PM EDT | TSTM WND DMG | 1 Ene Holiday Hills, DE | MARSH RD. FROM AFTON DR. TO HETTERING RD. IS CLOSED IN BOTH DIRECTIONS DUE TO A TREE DOWN IN WIRES. Time estimated from radar. |
| Mar 16, 10:50 PM EDT | TSTM WND DMG | Wilmington, DE | Pictures of damage to vehicles and large limbs down on X - time est. |
| Mar 16, 10:51 PM EDT | MARINE TSTM WIND 51 | 1 Se New Castle, DE | Wilmington ASOS. |
| Mar 16, 10:57 PM EDT | TSTM WND GST 57 | Shellburne, DE | Mesonet station DEL14 I-95 At Marsh Road. |
| Mar 16, 10:57 PM EDT | TSTM WND GST 57 | Shellburne, DE | Mesonet station DEL14 I-95 At Marsh Road. |
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 |
|---|---|---|---|
| Mar 16, 8:15 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 00:00Z, 2.1 hours before the alert went out and 159 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
- 73 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 702 m above ground
- 0-6 km bulk shear
- 87 kt
- 0-1 km storm-relative helicity
- 249 m²/s²
- 0-3 km storm-relative helicity
- 333 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted.
339
WUUS51 KPHI 170207
SVRPHI
DEC003-MDC029-170300-
/O.NEW.KPHI.SV.W.0012.260317T0207Z-260317T0300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
1007 PM EDT Mon Mar 16 2026
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
New Castle County in northern Delaware...
North central Kent County in northeastern Maryland...
* Until 1100 PM EDT.
* At 1007 PM EDT, a line of gusty showers were located along a line
extending from Glen Roy to Betterton, moving northeast at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Wilmington, Newark, Middletown, Elsmere, New Castle, Delaware City,
Newport, Arden, Betterton, Stanton, North Star, Glasgow, Bear,
Talleyville, Port Penn, Wilmington Manor, Pike Creek, Ashland,
Saint Georges, and Sassafras.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
This severe thunderstorm may contain little or no lightning. Do not
wait until you hear thunder before taking cover.
&&
LAT...LON 3937 7611 3937 7595 3936 7588 3939 7577
3972 7579 3980 7571 3984 7554 3980 7541
3977 7546 3963 7556 3955 7553 3953 7555
3946 7554 3946 7551 3926 7617
TIME...MOT...LOC 0207Z 243DEG 40KT 3977 7607 3936 7610
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Hoeflich2 follow-up statements
185
WWUS51 KPHI 170232
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
1032 PM EDT Mon Mar 16 2026
MDC029-170242-
/O.CAN.KPHI.SV.W.0012.000000T0000Z-260317T0300Z/
Kent MD-
1032 PM EDT Mon Mar 16 2026
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL KENT COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until midnight EDT for
northern Delaware...and southern New Jersey.
LAT...LON 3973 7577 3974 7577 3980 7571 3984 7554
3980 7541 3977 7546 3963 7556 3955 7553
3953 7555 3946 7554 3946 7551 3938 7577
3972 7579
TIME...MOT...LOC 0232Z 248DEG 42KT 3980 7570 3964 7569 3947 7570
$$
DEC003-170300-
/O.CON.KPHI.SV.W.0012.000000T0000Z-260317T0300Z/
New Castle DE-
1032 PM EDT Mon Mar 16 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM EDT
FOR NEW CASTLE COUNTY...
At 1032 PM EDT, severe thunderstorms were located along a line
extending from Hockessin to Bear to Middletown, moving east at 50
mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Wilmington, Newark, Middletown, Elsmere, New Castle, Delaware City,
Newport, Arden, Stanton, North Star, Glasgow, Bear, Talleyville, Port
Penn, Wilmington Manor, Pike Creek, Ashland, Saint Georges,
Greenville, and Mount Pleasant.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
This severe thunderstorm may contain little or no lightning. Do not
wait until you hear thunder before taking cover.
&&
LAT...LON 3973 7577 3974 7577 3980 7571 3984 7554
3980 7541 3977 7546 3963 7556 3955 7553
3953 7555 3946 7554 3946 7551 3938 7577
3972 7579
TIME...MOT...LOC 0232Z 248DEG 42KT 3980 7570 3964 7569 3947 7570
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Staarmann106
WWUS51 KPHI 170255 RRA
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
1055 PM EDT Mon Mar 16 2026
DEC003-170305-
/O.EXP.KPHI.SV.W.0012.000000T0000Z-260317T0300Z/
New Castle DE-
1055 PM EDT Mon Mar 16 2026
...THE SEVERE THUNDERSTORM WARNING FOR NEW CASTLE COUNTY WILL EXPIRE
AT 1100 PM EDT...
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.
A Severe Thunderstorm Watch remains in effect until midnight EDT for
northern Delaware...and southern New Jersey.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Mount Holly NJ.
LAT...LON 3973 7577 3974 7577 3980 7571 3984 7554
3980 7541 3977 7546 3963 7556 3955 7553
3953 7555 3946 7554 3946 7551 3938 7577
3972 7579
TIME...MOT...LOC 0255Z 243DEG 40KT 3991 7542 3975 7541 3958 7542
$$
HoeflichThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 16, 9:32 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 58 min |
| Mar 16, 10:13 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 62 min |
| Mar 16, 10:23 PM EDT | Tornado Warning | PHI | Caroline, Queen Anne's, Talbot | 37 min |
| Mar 16, 10:24 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Talbot | 62 min |
| Mar 16, 10:35 PM EDT | Tornado Warning | PHI | Caroline | 25 min |
| Mar 16, 10:39 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 51 min |
| Mar 16, 10:44 PM EDT | Tornado Warning | PHI | Kent | 18 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.