Alert archive / New Jersey / Areal Flood Advisories in 2021
Areal Flood Advisory 80, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this areal flood advisory at Jul 14, 2021, 7:26 PM EDT for Middlesex County, Monmouth County, New Jersey. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 14, 2021, 7:26 PM EDT (23:26 UTC)
- Expired
- Jul 14, 2021, 9:30 PM EDT
- In force
- 2 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Middlesex County, NJ, Monmouth County, NJ
The radar
The Philadelphia radar (KDIX), 58 km from the middle of the area, began a volume at 23:29 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, 11.4 hours before the alert went out and 116 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
- 1588 J/kg
- Mixed-layer CIN
- -86 J/kg
- Mixed-layer LCL
- 506 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 86 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
The text
As transmitted.
417
WGUS81 KPHI 142326
FLSPHI
Flood Advisory
National Weather Service Mount Holly NJ
726 PM EDT Wed Jul 14 2021
NJC023-025-150130-
/O.NEW.KPHI.FA.Y.0080.210714T2326Z-210715T0130Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Middlesex NJ-Monmouth NJ-
726 PM EDT Wed Jul 14 2021
The National Weather Service in Mount Holly has issued a
* Flood Advisory for...
Northeastern Monmouth County in central New Jersey...
East Central Middlesex County in northern New Jersey...
* Until 930 PM EDT.
* At 726 PM EDT, trained weather spotters reported heavy rain in the
advisory area due to thunderstorms. Minor flooding is ongoing or
expected to begin shortly.
* Some locations that will experience flooding include...
Long Branch, Asbury Park, Sandy Hook, Middletown, Marlboro, Tinton
Falls, Holmdel, Red Bank, Keansburg, Matawan, Highlands, and
Farmingdale.
This includes the following highways...
Garden State Parkway between mile markers 101 and 121.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 4047 7426 4044 7421 4045 7417 4045 7416
4046 7414 4042 7406 4042 7404 4041 7399
4042 7400 4048 7401 4047 7400 4043 7397
4022 7398 4019 7427
$$
CMS1 follow-up statement
422
WGUS81 KPHI 150127
FLSPHI
Flood Advisory
National Weather Service Mount Holly NJ
927 PM EDT Wed Jul 14 2021
NJC023-025-150137-
/O.EXP.KPHI.FA.Y.0080.000000T0000Z-210715T0130Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Middlesex NJ-Monmouth NJ-
927 PM EDT Wed Jul 14 2021
...FLOOD ADVISORY WILL EXPIRE AT 930 PM EDT THIS EVENING FOR
NORTHEASTERN MONMOUTH AND EAST CENTRAL MIDDLESEX COUNTIES...
Flooding continues in far northern portions of Monmouth County,
where a flash flood warning remains in effect. Please continue to
heed remaining road closures.
LAT...LON 4047 7426 4044 7421 4045 7417 4045 7416
4046 7414 4042 7406 4042 7404 4041 7399
4042 7400 4048 7401 4047 7400 4043 7397
4022 7398 4019 7427
$$
CMSThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 3:42 PM EDT | Special Weather Statement | PHI | Morris | 18 min |
| Jul 14, 5:47 PM EDT | Special Marine Warning | PHI | 43 min | |
| Jul 14, 5:54 PM EDT | Special Weather Statement | PHI | Ocean | 51 min |
| Jul 14, 6:41 PM EDT | Special Weather Statement | PHI | Monmouth | 34 min |
| Jul 14, 7:03 PM EDT | Special Marine Warning | PHI | 61 min | |
| Jul 14, 7:03 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth | 42 min |
| Jul 14, 7:24 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex, Monmouth | 36 min |
| Jul 14, 7:37 PM EDT | Flash Flood Warning | PHI | Monmouth | 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.