Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 173, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 5, 2023, 5:57 PM EDT for Delaware County, Philadelphia County, Pennsylvania; Camden County, Gloucester County, New Jersey. It was in force for 33 min. 1 report 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
- Jul 5, 2023, 5:57 PM EDT (21:57 UTC)
- Expired
- Jul 5, 2023, 6:30 PM EDT
- In force
- 33 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Camden County, NJ, Gloucester County, NJ, Delaware County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 66 km from the middle of the area, began a volume at 21:57 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 |
|---|---|---|---|
| Jul 5, 6:10 PM EDT | TSTM WND GST 57 | 2 Se South Philadelphia, PA | weatherflow site at south 19th street measured 57 mph gust at 6:10 PM. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 10.0 hours before the alert went out and 217 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
- 275 J/kg
- Mixed-layer CIN
- -58 J/kg
- Mixed-layer LCL
- 1031 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- 26 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
407
WUUS51 KPHI 052157
SVRPHI
NJC007-015-PAC045-101-052230-
/O.NEW.KPHI.SV.W.0173.230705T2157Z-230705T2230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
557 PM EDT Wed Jul 5 2023
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northwestern Camden County in southern New Jersey...
North central Gloucester County in southern New Jersey...
Southwestern Philadelphia County in southeastern Pennsylvania...
East central Delaware County in southeastern Pennsylvania...
* Until 630 PM EDT.
* At 557 PM EDT, a severe thunderstorm was located over National
Park, or near Gloucester City, and is nearly stationary.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Philadelphia, Camden, Gloucester City, Deptford, West Deptford,
Bellmawr, Yeadon, Woodbury, Folcroft, Paulsboro, Magnolia,
Westville, Woodbury Heights, National Park, East Lansdowne,
Brooklawn, Audubon Park, South Philadelphia, Philadelphia
International Airport and Gibbstown.
This includes the following highways...
New Jersey Turnpike near exit 3.
Interstate 95 in Pennsylvania between mile markers 11 and 21.
Interstate 76 in Pennsylvania between mile markers 345 and 351.
Interstate 76 in New Jersey between mile markers 0 and 3.
Interstate 295 in New Jersey between mile markers 17 and 30.
Interstate 676 in New Jersey between mile markers 0 and 3.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3995 7527 3995 7506 3980 7503 3980 7528
TIME...MOT...LOC 2157Z 359DEG 3KT 3988 7518
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MLB3 follow-up statements
811
WWUS51 KPHI 052212
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
612 PM EDT Wed Jul 5 2023
NJC007-015-PAC045-101-052230-
/O.CON.KPHI.SV.W.0173.000000T0000Z-230705T2230Z/
Camden NJ-Gloucester NJ-Philadelphia PA-Delaware PA-
612 PM EDT Wed Jul 5 2023
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR NORTHWESTERN CAMDEN...NORTH CENTRAL GLOUCESTER...SOUTHWESTERN
PHILADELPHIA AND EAST CENTRAL DELAWARE COUNTIES...
At 611 PM EDT, a severe thunderstorm was located over National Park,
or near Gloucester City, and is nearly stationary.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Philadelphia, Camden, Gloucester City, Deptford, West Deptford,
Bellmawr, Yeadon, Woodbury, Folcroft, Paulsboro, Magnolia, Westville,
Woodbury Heights, National Park, East Lansdowne, Brooklawn, Audubon
Park, South Philadelphia, Philadelphia International Airport and
Gibbstown.
This includes the following highways...
New Jersey Turnpike near exit 3.
Interstate 95 in Pennsylvania between mile markers 11 and 21.
Interstate 76 in Pennsylvania between mile markers 345 and 351.
Interstate 76 in New Jersey between mile markers 0 and 3.
Interstate 295 in New Jersey between mile markers 17 and 30.
Interstate 676 in New Jersey between mile markers 0 and 3.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3995 7527 3995 7506 3980 7503 3980 7528
TIME...MOT...LOC 2211Z 359DEG 3KT 3987 7518
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MLB083
WWUS51 KPHI 052220
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
620 PM EDT Wed Jul 5 2023
NJC007-015-PAC045-101-052230-
/O.CON.KPHI.SV.W.0173.000000T0000Z-230705T2230Z/
Camden NJ-Gloucester NJ-Philadelphia PA-Delaware PA-
620 PM EDT Wed Jul 5 2023
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR WEST CENTRAL CAMDEN...NORTH CENTRAL GLOUCESTER...SOUTHWESTERN
PHILADELPHIA AND EAST CENTRAL DELAWARE COUNTIES...
At 620 PM EDT, a severe thunderstorm was located over National Park,
or near Gloucester City, and is nearly stationary.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated. At 6:10 PM, a mesonet site in Southeast
Philadelphia measured a 57 mph wind gust.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Philadelphia, Camden, Gloucester City, Deptford, West Deptford,
Bellmawr, Yeadon, Woodbury, Folcroft, Paulsboro, Magnolia, Westville,
Woodbury Heights, National Park, Brooklawn, Audubon Park, South
Philadelphia, Philadelphia International Airport, Tinicum Township
and Gibbstown.
This includes the following highways...
New Jersey Turnpike near exit 3.
Interstate 95 in Pennsylvania between mile markers 11 and 19.
Interstate 76 in Pennsylvania between mile markers 347 and 351.
Interstate 76 in New Jersey between mile markers 0 and 3.
Interstate 295 in New Jersey between mile markers 17 and 30.
Interstate 676 in New Jersey between mile markers 0 and 2.
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 3993 7527 3993 7506 3980 7503 3980 7528
TIME...MOT...LOC 2220Z 359DEG 3KT 3986 7518
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MLB351
WWUS51 KPHI 052233
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
633 PM EDT Wed Jul 5 2023
NJC007-015-PAC045-101-052242-
/O.EXP.KPHI.SV.W.0173.000000T0000Z-230705T2230Z/
Camden NJ-Gloucester NJ-Philadelphia PA-Delaware PA-
633 PM EDT Wed Jul 5 2023
...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL CAMDEN...NORTH
CENTRAL GLOUCESTER...SOUTHWESTERN PHILADELPHIA AND EAST CENTRAL
DELAWARE COUNTIES HAS EXPIRED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been allowed to expire.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Mount Holly NJ.
Remember, a Severe Thunderstorm Warning still remains in effect for
portions of Gloucester and Delaware Counties until 7:00 PM EDT.
LAT...LON 3993 7527 3993 7506 3980 7503 3980 7528
TIME...MOT...LOC 2232Z 359DEG 3KT 3985 7518
$$
MLBThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 5:22 PM EDT | Areal Flood Advisory | PHI | Delaware, Philadelphia | 3 hr |
| Jul 5, 5:26 PM EDT | Severe Thunderstorm Warning | PHI | Delaware, Philadelphia | 34 min |
| Jul 5, 5:45 PM EDT | Flash Flood Warning | PHI | Delaware, Philadelphia | 107 min |
| Jul 5, 6:30 PM EDT | Severe Thunderstorm Warning | PHI | Delaware | 30 min |
| Jul 4, 8:41 PM EDT | Coastal Flood Advisory | PHI | Atlantic, Burlington, Cape May, Cumberland, Monmouth, Ocean | 7 hr |
| Jul 4, 10:15 PM EDT | Areal Flood Advisory | PHI | Burlington, Camden | 3 hr |
| Jul 5, 3:21 AM EDT | Coastal Flood Advisory | PHI | Atlantic, Burlington, Cape May, Cumberland, Monmouth, Ocean | 24 hr |
| Jul 5, 1:37 PM EDT | Special Weather Statement | PHI | Ocean | 23 min |
| Jul 5, 6:12 PM EDT | Areal Flood Advisory | PHI | Camden, Gloucester | 4 hr |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2023Severe Thunderstorm Warnings in New Jersey, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.