Alert archive / Maryland / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 176, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 8, 2023, 2:07 PM EDT for Kent County, Delaware; Caroline County, Kent County, Queen Anne's County, Maryland. It was in force for 23 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
- Jul 8, 2023, 2:07 PM EDT (18:07 UTC)
- Expired
- Jul 8, 2023, 2:30 PM EDT
- In force
- 23 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Kent County, DE, Caroline County, MD, Kent County, MD, Queen Anne's County, MD
The radar
The Dover AFB radar (KDOX), 49 km from the middle of the area, began a volume at 18:09 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
Washington/Dulle, VA (KIAD), launched 12:00Z, 6.1 hours before the alert went out and 136 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
- 305 J/kg
- Mixed-layer CIN
- -103 J/kg
- Mixed-layer LCL
- 1033 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -21 m²/s²
- 0-3 km storm-relative helicity
- 44 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
880
WUUS51 KPHI 081807
SVRPHI
DEC001-MDC011-029-035-081830-
/O.NEW.KPHI.SV.W.0176.230708T1807Z-230708T1830Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
207 PM EDT Sat Jul 8 2023
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
West central Kent County in central Delaware...
Northeastern Queen Anne's County in northeastern Maryland...
Northeastern Caroline County in eastern Maryland...
East central Kent County in northeastern Maryland...
* Until 230 PM EDT.
* At 206 PM EDT, a severe thunderstorm was located over Sudlersville,
or 12 miles northeast of Centerville, moving northeast at 10 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...
Millington, Sudlersville, Hartly, Henderson, Marydel, Templeville
and Barclay.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3904 7590 3918 7598 3930 7578 3909 7565
TIME...MOT...LOC 1806Z 247DEG 8KT 3915 7587
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MLB2 follow-up statements
610
WWUS51 KPHI 081818
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
218 PM EDT Sat Jul 8 2023
DEC001-MDC011-029-035-081830-
/O.CON.KPHI.SV.W.0176.000000T0000Z-230708T1830Z/
Kent DE-Queen Anne's MD-Caroline MD-Kent MD-
218 PM EDT Sat Jul 8 2023
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM EDT
FOR WEST CENTRAL KENT...NORTHEASTERN QUEEN ANNE'S...NORTHEASTERN
CAROLINE AND EAST CENTRAL KENT COUNTIES...
At 217 PM EDT, a severe thunderstorm was located over Sudlersville,
or 14 miles northeast of Centerville, moving northeast at 10 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Millington, Sudlersville, Hartly, Henderson, Marydel, Templeville and
Barclay.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Frequent cloud to ground lightning is occurring with this storm. Move
indoors immediately. Lightning is one of nature's leading killers.
Remember, if you can hear thunder, you are close enough to be struck
by lightning.
&&
LAT...LON 3904 7590 3918 7598 3930 7578 3909 7565
TIME...MOT...LOC 1817Z 247DEG 8KT 3916 7584
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MLB485
WWUS51 KPHI 081827
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
227 PM EDT Sat Jul 8 2023
DEC001-MDC011-029-035-081837-
/O.EXP.KPHI.SV.W.0176.000000T0000Z-230708T1830Z/
Kent DE-Queen Anne's MD-Caroline MD-Kent MD-
227 PM EDT Sat Jul 8 2023
...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL KENT...
NORTHEASTERN QUEEN ANNE'S...NORTHEASTERN CAROLINE AND EAST CENTRAL
KENT COUNTIES WILL EXPIRE AT 230 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.
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 7590 3918 7598 3930 7578 3909 7565
TIME...MOT...LOC 1827Z 247DEG 8KT 3917 7582
$$
MLBThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 3:17 PM EDT | Flood Watch | PHI | Kent, New Castle, Sussex | 31 hr |
| Jul 8, 3:22 PM EDT | Special Weather Statement | PHI | Sussex | 23 min |
| Jul 8, 2:01 PM EDT | Special Weather Statement | PHI | Kent | 29 min |
| Jul 8, 2:23 PM EDT | Special Weather Statement | PHI | Caroline | 37 min |
| Jul 8, 3:21 PM EDT | Special Weather Statement | PHI | Caroline | 24 min |
Nearby
Severe Thunderstorm Warnings in Maryland, 2023Severe Thunderstorm Warnings in Delaware, 2023Every severe thunderstorm warning in 2023
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.