Alert archive / Delaware / Severe Thunderstorm Warnings in 2024
Severe Thunderstorm Warning 17, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 26, 2024, 4:30 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
- May 26, 2024, 4:30 PM EDT (20:30 UTC)
- Expired
- May 26, 2024, 5:00 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), 16 km from the middle of the area, began a volume at 20:32 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, 8.5 hours before the alert went out and 90 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
- 1139 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 703 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- -2 m²/s²
- 0-3 km storm-relative helicity
- 3 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
217
WUUS51 KPHI 262030
SVRPHI
DEC001-005-262100-
/O.NEW.KPHI.SV.W.0017.240526T2030Z-240526T2100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
430 PM EDT Sun May 26 2024
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northwestern Sussex County in southern Delaware...
South central Kent County in central Delaware...
* Until 500 PM EDT.
* At 430 PM EDT, a severe thunderstorm was located over Bridgeville,
or 12 miles west of Georgetown, moving northeast at 5 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, Harrington, Bridgeville, Andrewsville, Blades, Greenwood,
and Farmington.
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 this storm. Move indoors
immediately. Remember, if you can hear thunder, you are close enough
to be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3860 7558 3873 7572 3895 7562 3877 7540
TIME...MOT...LOC 2030Z 217DEG 6KT 3875 7561
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
PO2 follow-up statements
206
WWUS51 KPHI 262048
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
448 PM EDT Sun May 26 2024
DEC001-005-262100-
/O.CON.KPHI.SV.W.0017.000000T0000Z-240526T2100Z/
Sussex DE-Kent DE-
448 PM EDT Sun May 26 2024
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM EDT
FOR NORTHWESTERN SUSSEX AND SOUTH CENTRAL KENT COUNTIES...
At 447 PM EDT, a severe thunderstorm was located over Bridgeville, or
12 miles northwest of Georgetown, moving northeast at 5 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Seaford, Harrington, Bridgeville, Andrewsville, Blades, Greenwood,
and Farmington.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3860 7558 3873 7572 3895 7562 3877 7540
TIME...MOT...LOC 2047Z 217DEG 6KT 3877 7559
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
PO408 WWUS51 KPHI 262100 SVSPHI Severe Weather Statement National Weather Service Mount Holly NJ 500 PM EDT Sun May 26 2024 DEC001-005-262109- /O.EXP.KPHI.SV.W.0017.000000T0000Z-240526T2100Z/ Sussex DE-Kent DE- 500 PM EDT Sun May 26 2024 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN SUSSEX AND SOUTH CENTRAL KENT COUNTIES WILL EXPIRE AT 500 PM EDT... The severe thunderstorm which prompted the warning has weakened. Therefore, the warning will be allowed to expire. LAT...LON 3860 7558 3873 7572 3895 7562 3877 7540 TIME...MOT...LOC 2059Z 217DEG 6KT 3879 7557 $$ PO
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 26, 5:11 PM EDT | Flash Flood Warning | PHI | Sussex | 70 min |
Nearby
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.