Alert archive / New Jersey / Flash Flood Warnings in 2018
Flash Flood Warning 92, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Sep 2, 2018, 3:52 PM EDT for Cumberland County, Gloucester County, Salem County, New Jersey. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 2, 2018, 3:52 PM EDT (19:52 UTC)
- Expired
- Sep 2, 2018, 7:07 PM EDT
- In force
- 3 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
Counties Cumberland County, NJ, Gloucester County, NJ, Salem County, NJ
The radar
The Philadelphia radar (KDIX), 75 km from the middle of the area, began a volume at 19:53 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, 7.9 hours before the alert went out and 178 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
- 970 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 708 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 26 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
552
WGUS51 KPHI 021952
FFWPHI
NJC011-015-033-022345-
/O.NEW.KPHI.FF.W.0092.180902T1952Z-180902T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
352 PM EDT SUN SEP 2 2018
The National Weather Service in Mount Holly NJ has issued a
* Flash Flood Warning for...
Northeastern Cumberland County in southern New Jersey...
East central Salem County in southern New Jersey...
South central Gloucester County in southern New Jersey...
* Until 745 PM EDT.
* At 352 PM EDT, Doppler radar indicated showers and thunderstorms
producing heavy rain across the warned area. Locally, up to two
inches of rain have already fallen. Flash flooding is expected to
begin shortly in the areas of heaviest rain.
* Some locations that could experience flooding include...
Vineland, Millville, Buena, Newfield, Elmer, Olivet, Seabrook
Farms, South Vineland, Rosenhayn and Centerton.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around...don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Please report flooding to your local law enforcement agency when you
can do so safely.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 3943 7500 3942 7516 3961 7533 3964 7515
3952 7498 3951 7497
$$
MPS2 follow-up statements
435
WGUS71 KPHI 022141
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
541 PM EDT SUN SEP 2 2018
NJC015-022150-
/O.CAN.KPHI.FF.W.0092.000000T0000Z-180902T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Gloucester NJ-
541 PM EDT SUN SEP 2 2018
...THE FLASH FLOOD WARNING FOR SOUTH CENTRAL GLOUCESTER COUNTY IS
CANCELLED...
Flooding is no longer expected to pose a threat. Please continue to
heed any remaining road closures.
LAT...LON 3943 7500 3942 7516 3951 7523 3958 7508
3955 7503 3951 7497
$$
NJC011-033-022345-
/O.CON.KPHI.FF.W.0092.000000T0000Z-180902T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cumberland NJ-Salem NJ-
541 PM EDT SUN SEP 2 2018
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 PM EDT FOR
NORTHEASTERN CUMBERLAND AND EAST CENTRAL SALEM COUNTIES...
At 540 PM EDT, Doppler radar indicated thunderstorms producing heavy
rain fell across the warned area, and resulted in up to two inches
of rain. Flash flooding is ongoing in the warned area.
Some locations that could experience flooding include...
Vineland, Millville, Buena, Newfield, Seabrook Farms, South Vineland,
Rosenhayn, Olivet and Centerton.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around...don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Please report flooding to your local law enforcement agency when you
can do so safely.
&&
LAT...LON 3943 7500 3942 7516 3951 7523 3958 7508
3955 7503 3951 7497
$$
MPS315
WGUS71 KPHI 022307
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
707 PM EDT SUN SEP 2 2018
NJC011-033-022317-
/O.CAN.KPHI.FF.W.0092.000000T0000Z-180902T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cumberland NJ-Salem NJ-
707 PM EDT SUN SEP 2 2018
...THE FLASH FLOOD WARNING FOR NORTHEASTERN CUMBERLAND AND EAST
CENTRAL SALEM COUNTIES IS CANCELLED...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed any remaining road closures.
LAT...LON 3943 7500 3942 7516 3951 7523 3958 7508
3955 7503 3951 7497
$$
MPSThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 2, 3:38 PM EDT | Areal Flood Advisory | PHI | Cumberland, Gloucester, Salem | 69 min |
| Sep 2, 4:00 PM EDT | Areal Flood Advisory | PHI | Burlington, Camden | 3 hr |
| Sep 2, 5:09 PM EDT | Areal Flood Advisory | PHI | Cumberland | 2 hr |
Nearby
Flash Flood Warnings in New Jersey, 2018Every flash flood warning 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.