Alert archive / New Jersey / Areal Flood Advisories in 2021
Areal Flood Advisory 47, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this areal flood advisory at Jul 3, 2021, 5:44 PM EDT for Atlantic County, New Jersey. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 3, 2021, 5:44 PM EDT (21:44 UTC)
- Expired
- Jul 3, 2021, 8:02 PM EDT
- In force
- 2 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
County Atlantic County, NJ
The radar
The Philadelphia radar (KDIX), 47 km from the middle of the area, began a volume at 21:44 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, 9.7 hours before the alert went out and 194 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1396 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 107 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
926
WGUS81 KPHI 032144
FLSPHI
Flood Advisory
National Weather Service Mount Holly NJ
544 PM EDT Sat Jul 3 2021
NJC001-040045-
/O.NEW.KPHI.FA.Y.0047.210703T2144Z-210704T0045Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Atlantic NJ-
544 PM EDT Sat Jul 3 2021
The National Weather Service in Mount Holly has issued a
* Flood Advisory for...
East Central Atlantic County in southern New Jersey...
* Until 845 PM EDT.
* At 544 PM EDT, Doppler radar indicated heavy rain due to
thunderstorms. Minor flooding is ongoing or expected to begin
shortly in the advisory area.
* Some locations that will experience flooding include...
Absecon, Egg Harbor City, Port Republic, and Pomona.
This includes the following highways...
Garden State Parkway between mile markers 39 and 47.
Atlantic City Expressway between mile markers 9 and 10.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
&&
LAT...LON 3957 7453 3957 7452 3957 7451 3945 7439
3942 7460 3957 7457
$$
MPS1 follow-up statement
656
WGUS81 KPHI 040002
FLSPHI
Flood Advisory
National Weather Service Mount Holly NJ
802 PM EDT Sat Jul 3 2021
NJC001-040012-
/O.CAN.KPHI.FA.Y.0047.000000T0000Z-210704T0045Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Atlantic NJ-
802 PM EDT Sat Jul 3 2021
...FLOOD ADVISORY IS CANCELLED FOR EAST CENTRAL ATLANTIC COUNTY...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
LAT...LON 3957 7453 3957 7452 3957 7451 3945 7439
3942 7460 3957 7457
$$
MPSThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 9:00 PM EDT | Special Weather Statement | PHI | Burlington | 45 min |
| Jul 3, 2:28 PM EDT | Special Weather Statement | PHI | Salem | 47 min |
| Jul 3, 2:32 PM EDT | Special Weather Statement | PHI | Cape May | 43 min |
| Jul 3, 2:53 PM EDT | Special Weather Statement | PHI | Cumberland | 37 min |
| Jul 3, 3:15 PM EDT | Special Weather Statement | PHI | Cumberland | 45 min |
| Jul 3, 4:09 PM EDT | Special Weather Statement | PHI | Cape May | 36 min |
| Jul 3, 5:50 PM EDT | Areal Flood Warning | PHI | Warren | 3 hr |
Nearby
Areal Flood Advisories in New Jersey, 2021Every areal flood advisory 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.