Alert archive / New Jersey / Areal Flood Advisories in 2018
Areal Flood Advisory 21, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this areal flood advisory at Mar 2, 2018, 1:19 AM EST for 4 counties in New Jersey. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 2, 2018, 1:19 AM EST (06:19 UTC)
- Expired
- Mar 2, 2018, 5:15 AM EST
- In force
- 4 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Middlesex County, NJ, Monmouth County, NJ, Morris County, NJ, Somerset County, NJ
The radar
The Philadelphia radar (KDIX), 70 km from the middle of the area, began a volume at 06:19 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 00:00Z, 6.3 hours before the alert went out and 131 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
- 1229 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- -33 m²/s²
- 0-3 km storm-relative helicity
- 132 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
288
WGUS81 KPHI 020619
FLSPHI
Flood Advisory
National Weather Service Mount Holly NJ
119 AM EST FRI MAR 2 2018
NJC023-025-027-035-021015-
/O.NEW.KPHI.FA.Y.0021.180302T0619Z-180302T1015Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Morris NJ-Somerset NJ-Middlesex NJ-Monmouth NJ-
119 AM EST FRI MAR 2 2018
The National Weather Service in Mount Holly NJ has issued a
* Urban and Small Stream Flood Advisory for...
Morris County in northern New Jersey...
Somerset County in northern New Jersey...
Middlesex County in northern New Jersey...
Monmouth County in central New Jersey...
* Until 515 AM EST
* At 118 AM EST...Doppler radar indicated heavy rain that will cause
urban and small stream flooding in the advisory area.
* Some locations that could experience flooding include...
New Brunswick, Perth Amboy, Long Branch, Morristown, Asbury Park,
Somerville, Somerset, Edison, Middletown, Old Bridge, Howell, East
Brunswick, Bridgewater, South Brunswick, Sayreville, North
Brunswick, Marlboro, Manalapan, Carteret and Dover.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around...don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 4013 7401 4025 7448 4033 7462 4038 7462
4037 7472 4046 7477 4071 7472 4079 7489
4108 7450 4104 7450 4100 7430 4091 7427
4091 7433 4060 7446 4060 7421 4047 7427
4041 7400 4048 7402 4048 7401 4047 7399
$$
CMS1 follow-up statement
847
WGUS81 KPHI 020808
FLSPHI
Flood Advisory
National Weather Service Mount Holly NJ
308 AM EST FRI MAR 2 2018
NJC023-025-027-035-021015-
/O.CON.KPHI.FA.Y.0021.000000T0000Z-180302T1015Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Morris NJ-Somerset NJ-Middlesex NJ-Monmouth NJ-
308 AM EST FRI MAR 2 2018
...THE URBAN AND SMALL STREAM FLOOD ADVISORY REMAINS IN EFFECT UNTIL
515 AM EST FOR MORRIS...SOMERSET...MIDDLESEX AND MONMOUTH COUNTIES...
At 307 AM EST, Doppler radar indicated a brief break in the heavy
rain, but more will enter the advisory area in the next couple of
hours. This will cause urban and small stream flooding in the
advisory area.
Some locations that could experience flooding include...
New Brunswick, Perth Amboy, Long Branch, Morristown, Asbury Park,
Somerville, Somerset, Edison, Middletown, Old Bridge, Howell, East
Brunswick, Bridgewater, South Brunswick, Sayreville, North Brunswick,
Marlboro, Manalapan, Carteret and Dover.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 4013 7401 4025 7448 4033 7462 4038 7462
4037 7472 4046 7477 4071 7472 4079 7489
4108 7450 4104 7450 4100 7430 4091 7427
4091 7433 4060 7446 4060 7421 4047 7427
4041 7400 4048 7402 4048 7401 4047 7399
$$
CMSThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 2, 12:43 AM EST | Areal Flood Advisory | PHI | Hunterdon, Warren | 4 hr |
| Mar 2, 2:26 AM EST | Areal Flood Advisory | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer, Monmouth and 2 more | 4 hr |
| Mar 2, 3:25 AM EST | Areal Flood Warning | PHI | Hunterdon | 6 hr |
| Mar 2, 3:36 AM EST | Special Weather Statement | PHI | Camden, Gloucester | 54 min |
| Mar 2, 4:43 AM EST | Areal Flood Advisory | PHI | Hunterdon, Middlesex, Morris, Somerset, Sussex, Warren | 3 hr |
| Mar 2, 6:29 AM EST | Areal Flood Advisory | PHI | Mercer | 4 hr |
| Mar 2, 7:40 AM EST | Areal Flood Advisory | PHI | Hunterdon, Middlesex, Morris, Somerset, Sussex, Warren | 5 hr |
| Mar 2, 8:45 AM EST | Areal Flood Advisory | PHI | Burlington, Camden, Gloucester, Monmouth, Ocean | 4 hr |
| Mar 2, 10:11 AM EST | Areal Flood Advisory | PHI | Burlington, Ocean | 4 hr |
| Mar 2, 10:23 AM EST | Areal Flood Advisory | PHI | Mercer | 4 hr |
| Mar 2, 1:25 PM EST | Areal Flood Warning | PHI | Hunterdon | 4 hr |
Nearby
Areal Flood Advisories in New Jersey, 2018Every areal flood advisory in 2018
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.