Alert archive / New Jersey / Special Weather Statements in 2018
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Oct 11, 2018, 9:10 PM EDT for Camden County, Gloucester County, Salem County, New Jersey. It was in force for 35 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
- Oct 11, 2018, 9:10 PM EDT (01:10 UTC)
- Expired
- Oct 11, 2018, 9:45 PM EDT
- In force
- 35 min
- Issued by
- NWS Philadelphia/Mount Holly
Counties Camden County, NJ, Gloucester County, NJ, Salem County, NJ
The radar
The Philadelphia radar (KDIX), 69 km from the middle of the area, began a volume at 01:11 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 00:00Z, 1.2 hours before the alert went out and 204 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
- 959 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 634 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 212 m²/s²
- 0-3 km storm-relative helicity
- 200 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 4.3
The text
As transmitted.
310
WWUS81 KPHI 120110
SPSPHI
Special Weather Statement
National Weather Service Mount Holly NJ
910 PM EDT THU OCT 11 2018
NJZ016>018-021-PAZ071-120145-
Salem-Cumberland-Camden-Gloucester-Philadelphia-
910 PM EDT THU OCT 11 2018
...A STRONG THUNDERSTORM WILL AFFECT NORTH CENTRAL CUMBERLAND...
CENTRAL SALEM...NORTHWESTERN CAMDEN...CENTRAL GLOUCESTER AND
SOUTHWESTERN PHILADELPHIA COUNTIES...
At 909 PM EDT, a strong thunderstorm was located near Mullica Hill,
or 16 miles south of Gloucester City, moving northeast at 25 mph.
Winds up to 40 mph are possible with this storm.
Locations impacted include...
Philadelphia, Camden, Gloucester City, Cherry Hill, Deptford,
Voorhees, West Deptford, Glassboro, Lindenwold, Bellmawr, Woodbury,
Pitman, Clayton, Berlin, Paulsboro, Magnolia, Westville, Woodstown,
Alloway and Woodbury Heights.
Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.
LAT...LON 3948 7523 3959 7540 3985 7526 3987 7521
3988 7524 3999 7518 3987 7492 3982 7491
TIME...MOT...LOC 0109Z 210DEG 23KT 3967 7522
$$
SFJThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 11, 8:09 PM EDT | Special Weather Statement | PHI | Salem | 36 min |
| Oct 11, 8:27 PM EDT | Areal Flood Advisory | PHI | Cumberland, Gloucester, Salem | 8 hr |
| Oct 11, 8:41 PM EDT | Special Weather Statement | PHI | Gloucester, Salem | 34 min |
| Oct 11, 9:43 PM EDT | Areal Flood Advisory | PHI | Burlington, Camden, Gloucester | 8 hr |
| Oct 11, 10:45 PM EDT | Areal Flood Advisory | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 1 more | 3 hr |
| Oct 11, 11:54 PM EDT | High Wind Warning | PHI | Cape May | 9 hr |
| Oct 12, 12:08 AM EDT | Flash Flood Warning | PHI | Atlantic, Burlington, Camden, Cumberland, Gloucester, Salem | 4 hr |
| Oct 12, 12:14 AM EDT | Storm Warning | PHI | 9 hr | |
| Oct 12, 12:50 AM EDT | Areal Flood Advisory | PHI | Burlington, Mercer, Monmouth, Ocean | 3 hr |
| Oct 12, 1:15 AM EDT | Areal Flood Advisory | PHI | Atlantic, Burlington, Cape May, Cumberland, Ocean | 40 min |
| Oct 12, 1:52 AM EDT | Flash Flood Warning | PHI | Atlantic, Burlington, Cape May, Cumberland, Ocean | 4 hr |
| Oct 12, 2:55 AM EDT | Areal Flood Advisory | PHI | Gloucester, Hunterdon, Mercer, Middlesex, Somerset, Warren | 2 hr |
| Oct 12, 3:17 AM EDT | Flash Flood Warning | PHI | Burlington, Mercer, Monmouth, Ocean | 4 hr |
| Oct 12, 3:46 AM EDT | Areal Flood Warning | PHI | Atlantic, Burlington, Camden, Cumberland, Gloucester, Salem | 7 hr |
| Oct 12, 5:32 AM EDT | Areal Flood Warning | PHI | Atlantic, Burlington, Cape May, Cumberland, Ocean | 4 hr |
| Oct 12, 7:02 AM EDT | Areal Flood Warning | PHI | Burlington, Mercer, Monmouth, Ocean | 4 hr |
| Oct 12, 11:42 AM EDT | Coastal Flood Advisory | PHI | Atlantic, Burlington, Cape May, Middlesex, Monmouth, Ocean | 4 hr |
| Oct 12, 11:45 AM EDT | Small Craft Advisory | PHI | 12 hr | |
| Oct 12, 3:20 PM EDT | River Flood Warning | PHI | Burlington | 37 hr |
| Oct 11, 10:06 PM EDT | Flash Flood Warning | PHI | Kent | 6 hr |
| Oct 11, 11:47 PM EDT | Flash Flood Warning | PHI | Kent, Sussex | 4 hr |
| Oct 12, 3:28 AM EDT | Areal Flood Warning | PHI | Kent, Sussex | 6 hr |
| Oct 12, 3:36 AM EDT | Areal Flood Warning | PHI | Kent | 6 hr |
| Oct 12, 2:46 PM EDT | Areal Flood Warning | PHI | Kent | 7 hr |
| Oct 11, 11:36 PM EDT | Flash Flood Warning | PHI | Kent, Queen Anne's | 4 hr |
Nearby
Special Weather Statements in New Jersey, 2018Every special weather statement in 2018
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.