Alert archive / New Jersey / Special Weather Statements in 2021
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Aug 23, 2021, 5:13 PM EDT for Camden County, New Jersey. It was in force for 32 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
- Aug 23, 2021, 5:13 PM EDT (21:13 UTC)
- Expired
- Aug 23, 2021, 5:45 PM EDT
- In force
- 32 min
- Issued by
- NWS Philadelphia/Mount Holly
- Hail
- 0.00 in
- Wind
- 40
County Camden County, NJ
The radar
The Philadelphia radar (KDIX), 52 km from the middle of the area, began a volume at 21:14 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, 9.2 hours before the alert went out and 211 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1488 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 16 m²/s²
- 0-3 km storm-relative helicity
- 45 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
348
WWUS81 KPHI 232113
SPSPHI
Special Weather Statement
National Weather Service Mount Holly NJ
513 PM EDT Mon Aug 23 2021
NJZ018-019-027-PAZ071-232145-
Northwestern Burlington NJ-Camden NJ-Southeastern Burlington NJ-
Philadelphia PA-
513 PM EDT Mon Aug 23 2021
...A strong thunderstorm will impact portions of Camden, west central
Burlington and south central Philadelphia Counties through 545 PM
EDT...
At 513 PM EDT, Doppler radar was tracking a strong thunderstorm over
Voorhees, or 9 miles east of Gloucester City, moving southeast at 25
mph. Another strong thunderstorm was over Camden and also moving
southeast.
HAZARD...Wind gusts up to 40 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Philadelphia, Camden, Gloucester City, Cherry Hill, Evesham,
Voorhees, Lindenwold, Bellmawr, Berlin, Palmyra, Magnolia, Westville,
Brooklawn, Chesilhurst, Audubon Park, Barclay-Kingston, Cherry Hill
Mall, Golden Triangle, Marlton and Kensington.
This includes the following highways...
New Jersey Turnpike between exits 3 and 4.
Interstate 95 in Pennsylvania between mile markers 18 and 28.
Interstate 76 in Pennsylvania near mile marker 345, and between mile
markers 350 and 351.
Interstate 76 in New Jersey between mile markers 0 and 3.
Interstate 295 in New Jersey between mile markers 26 and 37.
Interstate 676 in Pennsylvania near mile marker 1.
Interstate 676 in New Jersey between mile markers 0 and 4.
Atlantic City Expressway between mile markers 30 and 36.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 3962 7487 3968 7492 3970 7495 3983 7509
3984 7509 3986 7512 3994 7520 4003 7508
3990 7489 3975 7472
TIME...MOT...LOC 2113Z 311DEG 23KT 3985 7495
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH
$$
GorseThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 22, 8:11 PM EDT | Areal Flood Advisory | PHI | Warren | 6 hr |
| Aug 22, 8:47 PM EDT | Flash Flood Warning | PHI | Sussex, Warren | 6 hr |
| Aug 22, 11:27 PM EDT | Areal Flood Warning | PHI | Middlesex | 29 hr |
| Aug 23, 2:09 AM EDT | River Flood Warning | PHI | Morris, Passaic | 17 hr |
| Aug 23, 3:25 AM EDT | Areal Flood Warning | PHI | Morris | 8 hr |
| Aug 23, 4:10 AM EDT | River Flood Warning | PHI | Morris | 41 hr |
| Aug 23, 5:07 AM EDT | Areal Flood Warning | PHI | Warren | 21 hr |
| Aug 23, 5:22 AM EDT | Areal Flood Warning | PHI | Somerset | 9 hr |
| Aug 23, 5:44 AM EDT | Areal Flood Warning | PHI | Hunterdon | 7 hr |
| Aug 23, 7:20 AM EDT | River Flood Warning | PHI | Hunterdon, Somerset | 7 hr |
| Aug 23, 7:47 AM EDT | River Flood Warning | PHI | Morris, Passaic | 13 hr |
| Aug 23, 8:36 AM EDT | Areal Flood Warning | PHI | Somerset | 9 hr |
| Aug 23, 8:42 AM EDT | River Flood Warning | PHI | Middlesex, Somerset | 21 hr |
| Aug 23, 11:22 AM EDT | River Flood Warning | PHI | Middlesex, Somerset | 16 hr |
| Aug 23, 11:32 AM EDT | River Flood Warning | PHI | Essex, Morris, Passaic | 5 days |
| Aug 23, 11:58 AM EDT | River Flood Warning | PHI | Somerset | 15 hr |
| Aug 23, 12:19 PM EDT | River Flood Warning | PHI | Burlington | 33 hr |
| Aug 23, 12:51 PM EDT | Coastal Flood Statement | PHI | Ocean | 3 hr |
| Aug 23, 2:26 PM EDT | Areal Flood Warning | PHI | Sussex | 14 hr |
| Aug 23, 2:26 PM EDT | Special Weather Statement | PHI | Ocean | 49 min |
| Aug 23, 3:12 PM EDT | Special Weather Statement | PHI | Ocean | 33 min |
| Aug 23, 3:15 PM EDT | Severe Thunderstorm Warning | PHI | Ocean | 45 min |
| Aug 23, 3:18 PM EDT | Special Marine Warning | PHI | 57 min | |
| Aug 23, 3:38 PM EDT | River Flood Warning | PHI | Essex, Morris, Passaic | 48 hr |
| Aug 23, 4:47 PM EDT | Special Weather Statement | PHI | Atlantic | 28 min |
| Aug 23, 4:50 PM EDT | Special Marine Warning | PHI | 55 min | |
| Aug 23, 5:39 PM EDT | Special Marine Warning | PHI | 33 min | |
| Aug 23, 6:46 PM EDT | Special Marine Warning | PHI | 64 min | |
| Aug 22, 10:34 PM EDT | Areal Flood Advisory | PHI | Carbon, Lehigh, Northampton | 3 hr |
| Aug 22, 10:53 PM EDT | Flash Flood Warning | PHI | Carbon, Lehigh, Monroe, Montgomery, Northampton | 4 hr |
| Aug 22, 11:42 PM EDT | Areal Flood Advisory | PHI | Berks | 3 hr |
| Aug 23, 12:32 AM EDT | River Flood Warning | PHI | Monroe | 10 hr |
| Aug 23, 12:55 AM EDT | River Flood Warning | PHI | Monroe | 10 hr |
| Aug 23, 2:36 AM EDT | Areal Flood Warning | PHI | Carbon, Monroe | 21 hr |
| Aug 23, 3:50 AM EDT | River Flood Warning | PHI | Carbon | 3 hr |
| Aug 23, 3:50 AM EDT | River Flood Warning | PHI | Lehigh, Northampton | 11 hr |
| Aug 23, 8:28 AM EDT | Areal Flood Warning | PHI | Lehigh | 7 hr |
| Aug 23, 4:41 PM EDT | Special Weather Statement | PHI | Montgomery | 34 min |
| Aug 23, 7:14 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 31 min |
Nearby
Special Weather Statements in New Jersey, 2021Every special weather statement in 2021
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.