Alert archive / Maryland / Severe Thunderstorm Warnings in 2025
Severe Thunderstorm Warning 57, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 31, 2025, 1:30 PM EDT for Caroline County, Talbot County, Maryland; Sussex County, Delaware. It was in force for 45 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 31, 2025, 1:30 PM EDT (17:30 UTC)
- Expired
- May 31, 2025, 2:15 PM EDT
- In force
- 45 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Sussex County, DE, Caroline County, MD, Talbot County, MD
The radar
The Dover AFB radar (KDOX), 53 km from the middle of the area, began a volume at 17:29 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 31, 1:57 PM EDT | TSTM WND DMG | Federalsburg, MD | Trees down reported in Federalsburg. Time estimated from radar. |
| May 31, 2:15 PM EDT | HAIL 0.5 | Seaford, DE | Multiple reports of pea to half inch hail in and around Seaford. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 12:00Z, 5.5 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 974 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- -32 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
842
WUUS51 KPHI 311730
SVRPHI
DEC005-MDC011-041-311815-
/O.NEW.KPHI.SV.W.0057.250531T1730Z-250531T1815Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
130 PM EDT Sat May 31 2025
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Southwestern Sussex County in southern Delaware...
Talbot County in eastern Maryland...
Southern Caroline County in eastern Maryland...
* Until 215 PM EDT.
* At 130 PM EDT, a severe thunderstorm was located over St. Michaels,
or near Easton, 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...
Easton, Seaford, Laurel, Federalsburg, Bridgeville, Trappe, St.
Michaels, Preston, Oxford, Tanyard, Smithville, Harmony, Agner,
Matthews, Choptank, Hambleton, Windyhill, Blades, Greenwood, and
Bethel.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3882 7627 3879 7620 3882 7620 3884 7558
3855 7556 3856 7570 3865 7571 3871 7584
3868 7593 3859 7599 3862 7611 3871 7622
3870 7623 3871 7623 3877 7624 3871 7627
TIME...MOT...LOC 1730Z 280DEG 27KT 3878 7617
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
PF2 follow-up statements
998
WWUS51 KPHI 311748
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
148 PM EDT Sat May 31 2025
DEC005-MDC011-041-311815-
/O.CON.KPHI.SV.W.0057.000000T0000Z-250531T1815Z/
Sussex DE-Talbot MD-Caroline MD-
148 PM EDT Sat May 31 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM EDT
FOR WEST CENTRAL SUSSEX...SOUTHEASTERN TALBOT AND SOUTHERN CAROLINE
COUNTIES...
At 148 PM EDT, a severe thunderstorm was located over Tanyard, or
near Easton, moving east at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Easton, Seaford, Laurel, Federalsburg, Bridgeville, Trappe, Preston,
Tanyard, Smithville, Harmony, Agner, Matthews, Choptank, Hambleton,
Windyhill, Blades, Greenwood, and Bethel.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3868 7612 3881 7612 3883 7589 3883 7558
3882 7558 3857 7556 3858 7570 3865 7571
3871 7584 3868 7593 3864 7596
TIME...MOT...LOC 1748Z 280DEG 27KT 3876 7600
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
PF420
WWUS51 KPHI 311803
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
203 PM EDT Sat May 31 2025
MDC041-311812-
/O.CAN.KPHI.SV.W.0057.000000T0000Z-250531T1815Z/
Talbot MD-
203 PM EDT Sat May 31 2025
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN TALBOT COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been
cancelled.
LAT...LON 3870 7588 3883 7588 3883 7558 3882 7558
3864 7557 3867 7575 3871 7584
TIME...MOT...LOC 1802Z 278DEG 29KT 3875 7581
$$
DEC005-MDC011-311815-
/O.CON.KPHI.SV.W.0057.000000T0000Z-250531T1815Z/
Sussex DE-Caroline MD-
203 PM EDT Sat May 31 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM EDT
FOR WEST CENTRAL SUSSEX AND SOUTHEASTERN CAROLINE COUNTIES...
At 202 PM EDT, a severe thunderstorm was located over Agner, or 9
miles north of Hurlock, moving east at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Seaford, Federalsburg, Bridgeville, Agner, Smithville, Harmony, and
Greenwood.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3870 7588 3883 7588 3883 7558 3882 7558
3864 7557 3867 7575 3871 7584
TIME...MOT...LOC 1802Z 278DEG 29KT 3875 7581
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
PFThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 30, 8:57 PM EDT | Tornado Warning | PHI | Kent, Queen Anne's | 33 min |
| May 30, 9:04 PM EDT | Wind Advisory | PHI | Caroline, Kent, Queen Anne's, Talbot | 10 hr |
| May 30, 9:33 PM EDT | Tornado Warning | PHI | Kent, Queen Anne's | 27 min |
| May 30, 10:26 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's | 49 min |
| May 31, 1:17 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 43 min |
| May 31, 1:42 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Talbot | 48 min |
| May 31, 2:00 PM EDT | Severe Thunderstorm Warning | PHI | Caroline | 45 min |
| May 30, 10:26 PM EDT | Flash Flood Warning | PHI | New Castle | 4 hr |
| May 30, 10:55 PM EDT | Tornado Warning | PHI | New Castle | 22 min |
| May 31, 2:26 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 49 min |
Nearby
Severe Thunderstorm Warnings in Maryland, 2025Severe Thunderstorm Warnings in Delaware, 2025Every severe thunderstorm warning in 2025
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.