Alert archive / New Jersey / Areal Flood Advisories in 2021
Areal Flood Advisory 192, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this areal flood advisory at Oct 5, 2021, 3:20 AM EDT for Atlantic County, Burlington County, Ocean County, New Jersey. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- Oct 5, 2021, 3:20 AM EDT (07:20 UTC)
- Expired
- Oct 5, 2021, 6:30 AM EDT
- In force
- 3 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Atlantic County, NJ, Burlington County, NJ, Ocean County, NJ
The radar
The Philadelphia radar (KDIX), 41 km from the middle of the area, began a volume at 07:24 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 00:00Z, 7.3 hours before the alert went out and 200 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
- 1077 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 1040 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 93 m²/s²
- 0-3 km storm-relative helicity
- 100 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.2
The text
As transmitted.
108
WGUS81 KPHI 050720
FLSPHI
Flood Advisory
National Weather Service Mount Holly NJ
320 AM EDT Tue Oct 5 2021
NJC001-005-029-051030-
/O.NEW.KPHI.FA.Y.0192.211005T0720Z-211005T1030Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Atlantic NJ-Burlington NJ-Ocean NJ-
320 AM EDT Tue Oct 5 2021
The National Weather Service in Mount Holly has issued a
* Flood Advisory for...
Central Atlantic County in southern New Jersey...
Southeastern Burlington County in southern New Jersey...
South Central Ocean County in southern New Jersey...
* Until 630 AM EDT.
* At 320 AM EDT, Doppler radar indicated heavy rain due to
thunderstorms. Minor flooding is ongoing or expected to begin
shortly in the advisory area. Between 1 and 2 inches of rain have
fallen.
* Some locations that may experience flooding include...
Hammonton, Buena, Egg Harbor City, Tuckerton, Weymouth, Port
Republic, Batsto, Elwood-Magnolia, Wading River, Wharton State
Forest, New Gretna, and Mays Landing.
This includes the following highways...
Garden State Parkway between mile markers 44 and 57.
Atlantic City Expressway between mile markers 14 and 29.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3978 7460 3976 7445 3959 7432 3952 7442
3944 7484 3952 7494 3962 7486 3964 7484
$$
PO1 follow-up statement
529
WGUS81 KPHI 051027
FLSPHI
Flood Advisory
National Weather Service Mount Holly NJ
627 AM EDT Tue Oct 5 2021
NJC001-005-029-051037-
/O.EXP.KPHI.FA.Y.0192.000000T0000Z-211005T1030Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Atlantic NJ-Burlington NJ-Ocean NJ-
627 AM EDT Tue Oct 5 2021
...FLOOD ADVISORY WILL EXPIRE AT 630 AM EDT THIS MORNING FOR CENTRAL
ATLANTIC, SOUTHEASTERN BURLINGTON, AND SOUTH CENTRAL OCEAN
COUNTIES...
The heaviest rains have ended. Flooding is no longer expected to
pose a threat. Please continue to heed remaining road closures.
LAT...LON 3978 7460 3976 7445 3959 7432 3952 7442
3944 7484 3952 7494 3962 7486 3964 7484
$$
POThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 5, 12:49 AM EDT | Special Weather Statement | PHI | Salem | 26 min |
| Oct 5, 2:10 AM EDT | Areal Flood Advisory | PHI | Burlington, Camden, Gloucester, Salem | 4 hr |
| Oct 5, 2:27 AM EDT | Flash Flood Warning | PHI | Camden, Gloucester | 3 hr |
| Oct 5, 2:51 AM EDT | Special Weather Statement | PHI | Atlantic | 39 min |
| Oct 5, 3:33 AM EDT | Special Weather Statement | PHI | Atlantic | 57 min |
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.