Alert archive / New Jersey / Areal Flood Advisories in 2021
Areal Flood Advisory 86, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this areal flood advisory at Jul 17, 2021, 2:02 PM EDT for Monmouth County, Ocean County, New Jersey. It was in force for 92 min.
The area
The outline as issued.
The facts
- Issued
- Jul 17, 2021, 2:02 PM EDT (18:02 UTC)
- Expired
- Jul 17, 2021, 3:34 PM EDT
- In force
- 92 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Monmouth County, NJ, Ocean County, NJ
The radar
The Philadelphia radar (KDIX), 30 km from the middle of the area, began a volume at 18:04 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
Brookhaven, NY (KOKX), launched 12:00Z, 6.0 hours before the alert went out and 136 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
- 1203 J/kg
- Mixed-layer CIN
- -55 J/kg
- Mixed-layer LCL
- 1054 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 35 m²/s²
- 0-3 km storm-relative helicity
- 46 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.0
The text
As transmitted.
938
WGUS81 KPHI 171802
FLSPHI
Flood Advisory
National Weather Service Mount Holly NJ
202 PM EDT Sat Jul 17 2021
NJC025-029-172000-
/O.NEW.KPHI.FA.Y.0086.210717T1802Z-210717T2000Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Monmouth NJ-Ocean NJ-
202 PM EDT Sat Jul 17 2021
The National Weather Service in Mount Holly has issued a
* Flood Advisory for...
Southeastern Monmouth County in central New Jersey...
Northeastern Ocean County in southern New Jersey...
* Until 400 PM EDT.
* At 202 PM EDT, Doppler radar indicated heavy rain due to
thunderstorms. Minor flooding is ongoing or expected to begin
shortly in the advisory area. Between 0.5 and 1 inch of rain has
already fallen in spots with an additional inch possible.
* Some locations that may experience flooding include...
Long Branch, Asbury Park, Lakewood, Howell, Tinton Falls,
Manasquan, Point Pleasant Beach, Farmingdale, Mantoloking,
Allenwood, Ramtown, and Collingwood Park.
This includes the following highways...
Interstate 195 in New Jersey between mile markers 27 and 34.
Garden State Parkway between mile markers 91 and 103.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 4009 7426 4021 7424 4028 7396 4004 7403
4005 7407 4005 7408 4006 7412 4006 7413
$$
Iovino1 follow-up statement
988
WGUS81 KPHI 171934
FLSPHI
Flood Advisory
National Weather Service Mount Holly NJ
334 PM EDT Sat Jul 17 2021
NJC025-029-171944-
/O.CAN.KPHI.FA.Y.0086.000000T0000Z-210717T2000Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Monmouth NJ-Ocean NJ-
334 PM EDT Sat Jul 17 2021
...FLOOD ADVISORY IS CANCELLED FOR SOUTHEASTERN MONMOUTH AND
NORTHEASTERN OCEAN COUNTIES...
The heavy rain has ended for the time being. Please continue to heed
remaining road closures.
LAT...LON 4009 7426 4021 7424 4028 7396 4004 7403
4005 7407 4005 7408 4006 7412 4006 7413
$$
IovinoThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 12:55 PM EDT | Special Weather Statement | PHI | Hunterdon | 50 min |
| Jul 17, 1:05 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer | 40 min |
| Jul 17, 1:31 PM EDT | Areal Flood Advisory | PHI | Hunterdon | 97 min |
| Jul 17, 1:50 PM EDT | Special Marine Warning | PHI | 40 min | |
| Jul 17, 1:56 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Somerset, Warren | 36 min |
| Jul 17, 2:56 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex, Somerset | 49 min |
| Jul 17, 3:06 PM EDT | Severe Thunderstorm Warning | PHI | Warren | 39 min |
| Jul 17, 3:09 PM EDT | Tornado Warning | PHI | Middlesex | 21 min |
| Jul 17, 3:38 PM EDT | Areal Flood Advisory | PHI | Middlesex | 40 min |
| Jul 17, 3:51 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex | 24 min |
| Jul 17, 4:55 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Somerset | 50 min |
| Jul 17, 5:13 PM EDT | Areal Flood Advisory | PHI | Hunterdon | 4 hr |
| Jul 17, 5:19 PM EDT | Tornado Warning | PHI | Hunterdon | 14 min |
| Jul 17, 5:25 PM EDT | Flash Flood Warning | PHI | Hunterdon | 6 hr |
| Jul 17, 5:30 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Warren | 19 min |
| Jul 17, 5:52 PM EDT | Areal Flood Advisory | PHI | Somerset | 2 hr |
| Jul 17, 6:02 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Somerset | 43 min |
| Jul 17, 6:15 PM EDT | Flash Flood Warning | PHI | Morris, Somerset | 5 hr |
| Jul 17, 6:39 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Middlesex, Morris, Somerset | 51 min |
| Jul 17, 6:51 PM EDT | Severe Thunderstorm Warning | PHI | Burlington | 39 min |
| Jul 17, 6:59 PM EDT | Small Craft Advisory | PHI | 7 hr | |
| Jul 17, 7:01 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Somerset | 44 min |
| Jul 17, 7:12 PM EDT | Areal Flood Advisory | PHI | Mercer, Somerset | 3 hr |
| Jul 17, 7:26 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Middlesex, Morris, Somerset | 49 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.