Alert archive / Delaware / Severe Thunderstorm Warnings in 2024
Severe Thunderstorm Warning 185, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 3, 2024, 8:15 PM EDT for Kent County, Sussex County, Delaware. It was in force for 30 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
- Aug 3, 2024, 8:15 PM EDT (00:15 UTC)
- Expired
- Aug 3, 2024, 8:45 PM EDT
- In force
- 30 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Kent County, DE, Sussex County, DE
The radar
The Dover AFB radar (KDOX), 12 km from the middle of the area, began a volume at 00:15 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 3, 1:20 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 00:00Z, 0.3 hours before the alert went out and 109 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
- 2674 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 1003 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 109 m²/s²
- 0-3 km storm-relative helicity
- 85 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.3
The text
As transmitted.
794
WUUS51 KPHI 040015
SVRPHI
DEC001-005-040045-
/O.NEW.KPHI.SV.W.0185.240804T0015Z-240804T0045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
815 PM EDT Sat Aug 3 2024
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northeastern Sussex County in southern Delaware...
Southeastern Kent County in central Delaware...
* Until 845 PM EDT.
* At 815 PM EDT, severe thunderstorms were located along a line
extending from Big Stone Beach to near Ellendale, moving northeast
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...
Georgetown, Milford, Lewes, Milton, Ellendale, and Big Stone Beach.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
In addition to large hail and damaging winds, frequent cloud to
ground lightning is occurring with these storms. Move indoors
immediately. 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 3907 7537 3897 7529 3892 7529 3880 7514
3867 7545 3878 7550 3898 7544
TIME...MOT...LOC 0015Z 221DEG 36KT 3898 7535 3876 7539
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Staarmann2 follow-up statements
437
WWUS51 KPHI 040026
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
826 PM EDT Sat Aug 3 2024
DEC001-005-040045-
/O.CON.KPHI.SV.W.0185.000000T0000Z-240804T0045Z/
Sussex DE-Kent DE-
826 PM EDT Sat Aug 3 2024
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EDT
FOR NORTHEASTERN SUSSEX AND SOUTHEASTERN KENT COUNTIES...
At 826 PM EDT, severe thunderstorms were located along a line
extending from Big Stone Beach to near Milton, moving northeast at 35
mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Lewes, Milton, and Big Stone Beach.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Frequent cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3904 7535 3897 7529 3892 7529 3880 7514
3875 7532 3885 7541 3897 7536
TIME...MOT...LOC 0026Z 243DEG 30KT 3901 7529 3881 7531
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Staarmann593
WWUS51 KPHI 040036
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
836 PM EDT Sat Aug 3 2024
DEC001-005-040045-
/O.EXP.KPHI.SV.W.0185.000000T0000Z-240804T0045Z/
Sussex DE-Kent DE-
836 PM EDT Sat Aug 3 2024
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN SUSSEX AND
SOUTHEASTERN KENT COUNTIES WILL EXPIRE AT 845 PM EDT...
The storms which prompted the warning have moved out of the warned
area and over Delaware Bay. Therefore, the warning will be allowed
to expire.
A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
central and southern Delaware.
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 3904 7535 3897 7529 3892 7529 3880 7514
3875 7532 3885 7541 3897 7536
TIME...MOT...LOC 0035Z 221DEG 36KT 3907 7522 3887 7524
$$
StaarmannNearby
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.