Alert archive / Delaware / Severe Thunderstorm Warnings in 2024
Severe Thunderstorm Warning 183, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 3, 2024, 7:15 PM EDT for Kent County, Sussex County, Delaware; Caroline County, Talbot County, Maryland. It was in force for 60 min. 7 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
- Aug 3, 2024, 7:15 PM EDT (23:15 UTC)
- Expired
- Aug 3, 2024, 8:15 PM EDT
- In force
- 60 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Kent County, DE, Sussex County, DE, Caroline County, MD, Talbot County, MD
The radar
The Dover AFB radar (KDOX), 23 km from the middle of the area, began a volume at 23:16 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 |
|---|---|---|---|
| Aug 3, 7:19 PM EDT | TSTM WND DMG | Preston, MD | Extensive tree and wire damage in Preston due to strong straight-line winds. Time estimated from radar. |
| Aug 3, 7:22 PM EDT | TSTM WND DMG | 1 Nnw Matthews, MD | Trees down south of Cordova. Time estimated from radar. |
| Aug 3, 7:35 PM EDT | TSTM WND DMG | Denton, MD | Several trees and wires down around Denton. Time estimated from radar. |
| Aug 3, 7:38 PM EDT | TSTM WND DMG | 1 Sse Milford, DE | Multiple trees down on the south side of Milford, including one tree into a house. Time estimated from radar. |
| Aug 3, 7:50 PM EDT | TSTM WND DMG | Bridgeville, DE | Report of trees down on wires in Bridgeville and a tree down into a house. Time estimated from radar. |
| Aug 3, 8:01 PM EDT | TSTM WND DMG | Houston, DE | Pictures sent in of large trees down in Houston, DE. Time estimated from radar. |
| Aug 3, 8:05 PM EDT | TSTM WND DMG | Highland Acres, DE | Tree blown into a house. Time estimated from radar. |
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 |
|---|---|---|---|
| Aug 3, 1:20 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 12:00Z, 11.3 hours before the alert went out and 99 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
- 1138 J/kg
- Mixed-layer CIN
- -94 J/kg
- Mixed-layer LCL
- 853 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 108 m²/s²
- 0-3 km storm-relative helicity
- 173 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
The text
As transmitted.
165
WUUS51 KPHI 032315
SVRPHI
DEC001-005-MDC011-041-040015-
/O.NEW.KPHI.SV.W.0183.240803T2315Z-240804T0015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
715 PM EDT Sat Aug 3 2024
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northern Sussex County in southern Delaware...
Kent County in central Delaware...
Eastern Talbot County in eastern Maryland...
Caroline County in eastern Maryland...
* Until 815 PM EDT.
* At 715 PM EDT, severe thunderstorms were located along a line
extending from near Easton to Preston to near Hurlock, moving
northeast at 45 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Wind damage to
roofs, siding, trees, and power lines is possible.
* Locations impacted include...
Dover, Easton, Georgetown, Milford, Seaford, Denton, Harrington,
Camden, Lewes, Federalsburg, Milton, Bridgeville, Greensboro,
Ridgely, Preston, Ellendale, Bowers, Woodside, Viola, and
Smithville.
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 3865 7571 3869 7577 3868 7580 3870 7580
3871 7584 3868 7593 3863 7598 3862 7598
3864 7599 3877 7616 3929 7541 3918 7537
3907 7537 3903 7532 3880 7514 3857 7570
TIME...MOT...LOC 2315Z 233DEG 37KT 3877 7603 3870 7591 3858 7589
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Staarmann4 follow-up statements
332
WWUS51 KPHI 032319
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
719 PM EDT Sat Aug 3 2024
DEC001-005-MDC011-041-040015-
/O.CON.KPHI.SV.W.0183.000000T0000Z-240804T0015Z/
Sussex DE-Kent DE-Talbot MD-Caroline MD-
719 PM EDT Sat Aug 3 2024
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT
FOR NORTHERN SUSSEX...KENT...EASTERN TALBOT AND CAROLINE COUNTIES...
At 718 PM EDT, severe thunderstorms were located along a line
extending from near Tanyard to Preston to near Hurlock, moving
northeast at 45 mph. a 58 mph gust was measured at Cambridge,
Maryland at 705 PM EDT.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Wind damage to roofs,
siding, trees, and power lines is possible.
Locations impacted include...
Dover, Easton, Georgetown, Milford, Seaford, Denton, Harrington,
Camden, Lewes, Federalsburg, Milton, Bridgeville, Greensboro,
Ridgely, Preston, Ellendale, Bowers, Woodside, Viola, and Smithville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3865 7571 3869 7577 3868 7580 3870 7580
3871 7584 3868 7593 3863 7598 3862 7598
3864 7599 3877 7616 3929 7541 3918 7537
3907 7537 3903 7532 3880 7514 3857 7570
TIME...MOT...LOC 2318Z 233DEG 37KT 3878 7601 3871 7589 3859 7587
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH
$$
Staarmann090
WWUS51 KPHI 032334
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
734 PM EDT Sat Aug 3 2024
MDC041-032343-
/O.CAN.KPHI.SV.W.0183.000000T0000Z-240804T0015Z/
Talbot MD-
734 PM EDT Sat Aug 3 2024
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN TALBOT 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 900 PM EDT for
central and southern Delaware...and eastern and northeastern
Maryland.
LAT...LON 3857 7570 3865 7571 3869 7577 3868 7580
3870 7580 3871 7584 3870 7587 3880 7593
3882 7590 3888 7595 3892 7595 3929 7541
3918 7537 3907 7537 3903 7532 3880 7514
TIME...MOT...LOC 2333Z 233DEG 37KT 3887 7585 3880 7573 3868 7571
$$
DEC001-005-MDC011-040015-
/O.CON.KPHI.SV.W.0183.000000T0000Z-240804T0015Z/
Sussex DE-Kent DE-Caroline MD-
734 PM EDT Sat Aug 3 2024
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT
FOR NORTHERN SUSSEX...KENT AND CAROLINE COUNTIES...
At 733 PM EDT, severe thunderstorms were located along a line
extending from Denton to Smithville to near Federalsburg, moving
northeast at 45 mph. A 58 mph gust was measured at Cambridge,
Maryland at 705 PM EDT.
HAZARD...70 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.
Locations impacted include...
Dover, Georgetown, Milford, Seaford, Denton, Harrington, Camden,
Lewes, Federalsburg, Milton, Bridgeville, Greensboro, Ridgely,
Ellendale, Bowers, Goldsboro, Queen Anne, Woodside, Viola, and
Smithville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Frequent cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3857 7570 3865 7571 3869 7577 3868 7580
3870 7580 3871 7584 3870 7587 3880 7593
3882 7590 3888 7595 3892 7595 3929 7541
3918 7537 3907 7537 3903 7532 3880 7514
TIME...MOT...LOC 2333Z 233DEG 37KT 3887 7585 3880 7573 3868 7571
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...OBSERVED
MAX WIND GUST...70 MPH
$$
Staarmann006
WWUS51 KPHI 032354
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
754 PM EDT Sat Aug 3 2024
MDC011-040003-
/O.CAN.KPHI.SV.W.0183.000000T0000Z-240804T0015Z/
Caroline MD-
754 PM EDT Sat Aug 3 2024
...THE SEVERE THUNDERSTORM WARNING FOR CAROLINE 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 900 PM EDT for
central and southern Delaware.
LAT...LON 3857 7570 3906 7574 3929 7541 3918 7537
3907 7537 3903 7532 3880 7514
TIME...MOT...LOC 2353Z 234DEG 42KT 3904 7567 3893 7549 3878 7549
$$
DEC001-005-040015-
/O.CON.KPHI.SV.W.0183.000000T0000Z-240804T0015Z/
Sussex DE-Kent DE-
754 PM EDT Sat Aug 3 2024
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT
FOR NORTHERN SUSSEX AND KENT COUNTIES...
At 753 PM EDT, severe thunderstorms were located along a line
extending from near Sandtown to near Milford to near Ellendale,
moving northeast at 50 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Wind damage to roofs,
siding, trees, and power lines is possible.
Locations impacted include...
Dover, Georgetown, Milford, Seaford, Harrington, Camden, Lewes,
Milton, Bridgeville, Ellendale, Bowers, Woodside, Viola, Rising
Sun-Lebanon, Hazlettville, Dover Base Housing, Dover Speedway,
Sandtown, Andrewsville, and Rising Sun.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Frequent cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3857 7570 3906 7574 3929 7541 3918 7537
3907 7537 3903 7532 3880 7514
TIME...MOT...LOC 2353Z 234DEG 42KT 3904 7567 3893 7549 3878 7549
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH
$$
Staarmann084
WWUS51 KPHI 040006 RRA
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
806 PM EDT Sat Aug 3 2024
DEC001-005-040015-
/O.CON.KPHI.SV.W.0183.000000T0000Z-240804T0015Z/
Sussex DE-Kent DE-
806 PM EDT Sat Aug 3 2024
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT
FOR NORTHERN SUSSEX AND CENTRAL KENT COUNTIES...
At 806 PM EDT, severe thunderstorms were located along a line
extending from near Camden to Big Stone Beach to near Ellendale,
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...
Dover, Georgetown, Milford, Camden, Lewes, Milton, Ellendale, Bowers,
Woodside, Viola, Rising Sun-Lebanon, Hazlettville, Dover Base
Housing, Dover Speedway, Rising Sun, Big Stone Beach, Wyoming,
Felton, Frederica, and Houston.
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 3894 7550 3912 7566 3929 7541 3918 7537
3907 7537 3903 7532 3880 7514 3862 7558
TIME...MOT...LOC 0006Z 232DEG 37KT 3914 7555 3900 7536 3874 7544
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH
$$
StaarmannThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 9:12 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 48 min |
| Aug 2, 9:40 PM EDT | Flash Flood Warning | PHI | New Castle | 4 hr |
| Aug 3, 3:17 AM EDT | Heat Advisory | PHI | New Castle | 17 hr |
| Aug 3, 12:20 PM EDT | Flood Watch | PHI | New Castle | 9 hr |
| Aug 3, 5:38 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 97 min |
| Aug 3, 7:14 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's | 61 min |
Nearby
Severe Thunderstorm Warnings in Delaware, 2024Severe Thunderstorm Warnings in Maryland, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.