Alert archive / Delaware / Severe Thunderstorm Warnings in 2024
Severe Thunderstorm Warning 60, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 26, 2024, 7:20 PM EDT for Sussex County, Delaware. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 26, 2024, 7:20 PM EDT (23:20 UTC)
- Expired
- Jun 26, 2024, 8:00 PM EDT
- In force
- 40 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Sussex County, DE
The radar
The Dover AFB radar (KDOX), 36 km from the middle of the area, began a volume at 23:19 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.
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 12:00Z, 11.3 hours before the alert went out and 70 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
- 252 J/kg
- Mixed-layer CIN
- -146 J/kg
- Mixed-layer LCL
- 1211 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 138 m²/s²
- 0-3 km storm-relative helicity
- 155 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
The text
As transmitted.
192
WUUS51 KPHI 262320
SVRPHI
DEC005-270000-
/O.NEW.KPHI.SV.W.0060.240626T2320Z-240627T0000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
720 PM EDT Wed Jun 26 2024
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Southwestern Sussex County in southern Delaware...
* Until 800 PM EDT.
* At 719 PM EDT, a severe thunderstorm was located over Vienna, or 10
miles south of Hurlock, moving east at 20 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Seaford, Laurel, Delmar, Sycamore, Blades, and Bethel.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Wind damage with this storm will occur before any rain or lightning.
Do not wait for the sound of thunder before taking cover. SEEK
SHELTER IMMEDIATELY inside a sturdy structure and stay away from
windows.
&&
LAT...LON 3846 7569 3849 7570 3864 7571 3871 7544
3845 7548
TIME...MOT...LOC 2319Z 271DEG 19KT 3847 7583
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
SFJ2 follow-up statements
948
WWUS51 KPHI 262335
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
735 PM EDT Wed Jun 26 2024
DEC005-270000-
/O.CON.KPHI.SV.W.0060.000000T0000Z-240627T0000Z/
Sussex DE-
735 PM EDT Wed Jun 26 2024
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR SOUTHWESTERN SUSSEX COUNTY...
At 735 PM EDT, a severe thunderstorm was located near Hebron, or 7
miles northwest of Salisbury, moving east at 30 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Seaford, Laurel, Delmar, Sycamore, Blades, and Bethel.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Wind damage with this storm will occur before any rain or lightning.
Do not wait for the sound of thunder before taking cover. SEEK
SHELTER IMMEDIATELY inside a sturdy structure and stay away from
windows.
&&
LAT...LON 3846 7569 3849 7570 3861 7571 3871 7544
3845 7548
TIME...MOT...LOC 2335Z 271DEG 24KT 3846 7566
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
SFJ040
WWUS51 KPHI 262352
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
752 PM EDT Wed Jun 26 2024
DEC005-270002-
/O.EXP.KPHI.SV.W.0060.000000T0000Z-240627T0000Z/
Sussex DE-
752 PM EDT Wed Jun 26 2024
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN SUSSEX COUNTY
WILL EXPIRE AT 800 PM EDT...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.
LAT...LON 3846 7569 3849 7570 3861 7571 3871 7544
3845 7548
TIME...MOT...LOC 2352Z 271DEG 19KT 3846 7556
$$
SFJNearby
Severe Thunderstorm Warnings in Delaware, 2024Every severe thunderstorm warning in 2024
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.