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 Jul 4, 2021, 6:23 PM EDT for Atlantic County, New Jersey. It was in force for 37 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 4, 2021, 6:23 PM EDT (22:23 UTC)
- Expired
- Jul 4, 2021, 7:00 PM EDT
- In force
- 37 min
- Issued by
- NWS Philadelphia/Mount Holly
County Atlantic County, NJ
The radar
The Philadelphia radar (KDIX), 63 km from the middle of the area, began a volume at 22:24 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, 10.4 hours before the alert went out and 190 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
- 7 J/kg
- Mixed-layer CIN
- -90 J/kg
- Mixed-layer LCL
- 1349 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
941
WWUS81 KPHI 042223
SPSPHI
Special Weather Statement
National Weather Service Mount Holly NJ
623 PM EDT Sun Jul 4 2021
NJZ025-026-042300-
Coastal Atlantic-Coastal Ocean-
623 PM EDT Sun Jul 4 2021
...A STRONG THUNDERSTORM WILL AFFECT EAST CENTRAL ATLANTIC COUNTY...
At 623 PM EDT, a strong thunderstorm was located near Brigantine, or
9 miles northeast of Atlantic City, moving south at 15 mph.
Wind gusts up to 40 mph and pea size hail are possible with this
storm.
Locations impacted include...
Brigantine.
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.
LAT...LON 3929 7420 3934 7439 3952 7440 3957 7423
3934 7416
TIME...MOT...LOC 2223Z 355DEG 15KT 3949 7434
$$
MPSThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 1:25 AM EDT | Dense Fog Advisory | PHI | Hunterdon, Warren | 7 hr |
| Jul 4, 3:01 PM EDT | Special Weather Statement | PHI | Ocean | 29 min |
| Jul 4, 3:02 PM EDT | Special Weather Statement | PHI | Burlington | 28 min |
| Jul 4, 3:04 PM EDT | Special Weather Statement | PHI | Ocean | 26 min |
| Jul 4, 3:28 PM EDT | Special Weather Statement | PHI | Burlington | 32 min |
| Jul 4, 4:05 PM EDT | Special Weather Statement | PHI | Burlington | 25 min |
| Jul 4, 4:39 PM EDT | Special Weather Statement | PHI | Ocean | 36 min |
| Jul 4, 5:38 PM EDT | Special Weather Statement | PHI | Ocean | 37 min |
| Jul 4, 5:39 PM EDT | Special Marine Warning | PHI | 66 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.