Alert archive / New Jersey / Flash Flood Warnings in 2017
Flash Flood Warning 34, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Jul 29, 2017, 1:10 AM EDT for 4 counties in New Jersey. It was in force for 4 hr. 4 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 29, 2017, 1:10 AM EDT (05:10 UTC)
- Expired
- Jul 29, 2017, 5:00 AM EDT
- In force
- 4 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
Counties Atlantic County, NJ, Cumberland County, NJ, Gloucester County, NJ, Salem County, NJ
The radar
The Philadelphia radar (KDIX), 57 km from the middle of the area, began a volume at 05:11 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 29, 1:15 AM EDT | FLASH FLOOD | Millville, NJ | SEVERAL VEHICLE-RELATED WATER RESCUES. |
| Jul 29, 1:47 AM EDT | HEAVY RAIN 2.2 | 7 E Rosenhayn, NJ | 6 HOUR RAINFALL. |
| Jul 29, 1:54 AM EDT | HEAVY RAIN 2.25 | Atlantic City Internati, NJ | 6 HOUR RAINFALL. |
| Jul 29, 3:00 AM EDT | FLOOD | 1 Ne South Egg Harbor, NJ | FLOODING REPORTED ON US 30 EAST OF NJ 50. 1 LANE CLOSED. TIME ESTIMATED. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 00:00Z, 5.2 hours before the alert went out and 219 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
- 86 J/kg
- Mixed-layer CIN
- -76 J/kg
- Mixed-layer LCL
- 1221 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- -19 m²/s²
- 0-3 km storm-relative helicity
- 7 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.3
The text
As transmitted.
156
WGUS51 KPHI 290510
FFWPHI
NJC001-011-015-033-290900-
/O.NEW.KPHI.FF.W.0034.170729T0510Z-170729T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
110 AM EDT SAT JUL 29 2017
The National Weather Service in Mount Holly NJ has issued a
* Flash Flood Warning for...
Central Atlantic County in southern New Jersey...
Northeastern Cumberland County in southern New Jersey...
East central Salem County in southern New Jersey...
Southeastern Gloucester County in southern New Jersey...
* Until 500 AM EDT
* At 101 AM EDT...Doppler radar indicated heavy rain across the
warned area. Up to two inches of rain have already fallen.
Additional rain is expected. As a result, flash flooding is likely
in the areas of heaviest rain.
* Some locations that could experience flooding include...
Vineland, Millville, Cumberland, Pleasantville, Northfield,
Absecon, Buena, Egg Harbor City, Weymouth, Estell Manor, Newfield,
Pomona, Mays Landing, Elwood-Magnolia, Olivet, Malaga, Dorothy,
Mizpah, South Vineland and Rosenhayn.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3939 7451 3936 7518 3957 7519 3960 7458
3960 7456 3957 7453
$$
Kruzdlo2 follow-up statements
380
WGUS71 KPHI 290635
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
235 AM EDT SAT JUL 29 2017
NJC001-011-015-033-290900-
/O.CON.KPHI.FF.W.0034.000000T0000Z-170729T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Atlantic NJ-Cumberland NJ-Salem NJ-Gloucester NJ-
235 AM EDT SAT JUL 29 2017
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 500 AM EDT FOR
CENTRAL ATLANTIC...NORTHEASTERN CUMBERLAND...EAST CENTRAL SALEM AND
SOUTHEASTERN GLOUCESTER COUNTIES...
At 234 AM EDT...Doppler radar indicated moderate to heavy rain
across portions of the warned area. Up to three inches of rain have
already fallen. Additional rainfall is expected over the next
few hours.
Some locations that could experience flooding include...
Vineland, Millville, Cumberland, Pleasantville, Northfield, Absecon,
Buena, Egg Harbor City, Weymouth, Estell Manor, Newfield, Pomona,
Mays Landing, Elwood-Magnolia, Olivet, Malaga, Dorothy, Mizpah, South
Vineland and Rosenhayn.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3939 7451 3936 7518 3957 7519 3960 7458
3960 7456 3957 7453
$$
Kruzdlo724
WGUS71 KPHI 290852
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
452 AM EDT SAT JUL 29 2017
NJC001-011-015-033-290900-
/O.EXP.KPHI.FF.W.0034.000000T0000Z-170729T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Atlantic NJ-Cumberland NJ-Salem NJ-Gloucester NJ-
452 AM EDT SAT JUL 29 2017
...THE FLASH FLOOD WARNING FOR CENTRAL ATLANTIC...NORTHEASTERN
CUMBERLAND...EAST CENTRAL SALEM AND SOUTHEASTERN GLOUCESTER COUNTIES
WILL EXPIRE AT 500 AM EDT...
The heavy rain has ended. Flash flooding is no longer expected to
pose a significant threat. However, a flood advisory remains in
effect for the area and additional flooding in poor drainage areas
is possible especially if any additional rain moves in. Please
continue to heed any remaining road closures.
LAT...LON 3939 7451 3936 7518 3957 7519 3960 7458
3960 7456 3957 7453
$$
SFJThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 28, 8:52 PM EDT | Rip Current Statement | PHI | Atlantic, Cape May, Monmouth, Ocean | 23 hr |
| Jul 28, 10:25 PM EDT | Special Marine Warning | PHI | 65 min | |
| Jul 28, 11:13 PM EDT | Areal Flood Advisory | PHI | Atlantic, Cape May, Cumberland, Gloucester, Salem | 4 hr |
| Jul 29, 3:03 AM EDT | Areal Flood Advisory | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 2 more | 4 hr |
| Jul 29, 4:14 AM EDT | Special Marine Warning | PHI | 61 min | |
| Jul 29, 5:08 AM EDT | Special Marine Warning | PHI | 52 min | |
| Jul 29, 5:13 AM EDT | Flash Flood Warning | PHI | Cape May | 3 hr |
| Jul 29, 6:48 AM EDT | Areal Flood Advisory | PHI | Atlantic, Cape May | 117 min |
Nearby
Flash Flood Warnings in New Jersey, 2017Every flash flood warning in 2017
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.