Alert archive / New Jersey / Flash Flood Warnings in 2018
Flash Flood Warning 3, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at May 27, 2018, 4:28 AM EDT for Monmouth County, New Jersey. It was in force for 4 hr. 6 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
- May 27, 2018, 4:28 AM EDT (08:28 UTC)
- Expired
- May 27, 2018, 8:30 AM EDT
- In force
- 4 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
County Monmouth County, NJ
The radar
The Philadelphia radar (KDIX), 35 km from the middle of the area, began a volume at 08:29 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 27, 4:45 AM EDT | FLASH FLOOD | 1 Wsw Belmar, NJ | RT 35 CLOSED IN BOTH DIRECTIONS JUST SOUTH OF NJ-138 DUE TO FLOODING |
| May 27, 4:45 AM EDT | HEAVY RAIN 3.19 | 2 S Wall Twp, NJ | 3-HR RAINFALL TOTAL. 1.25 INCHES OF RAINFALL RECORDED IN 15-MIN PERIOD ENDING 425 AM |
| May 27, 5:10 AM EDT | FLOOD | 1 Wsw Belmar, NJ | RT 35 CLOSED IN BOTH DIRECTIONS JUST SOUTH OF NJ-138 DUE TO FLOODING |
| May 27, 5:40 AM EDT | HEAVY RAIN 4.24 | 2 S Wall Twp, NJ | RAINFALL TOTAL IN THE PAST 4-HR |
| May 27, 6:15 AM EDT | FLASH FLOOD | Collingwood Park, NJ | FLOODING ON NJ 33 IN BOTH DIRECTIONS NEAR COLLINGSWOOD CIRCLE. ALL LANES CLOSED. TIME ESTIMATED FROM RADAR. |
| May 27, 7:30 AM EDT | FLOOD | Collingwood Park, NJ | FLOODING ON NJ 33 IN BOTH DIRECTIONS NEAR COLLINGSWOOD CIRCLE. ALL LANES CLOSED. TIME ESTIMATED FROM RADAR. |
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, 8.5 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
- 861 J/kg
- Mixed-layer CIN
- -92 J/kg
- Mixed-layer LCL
- 1209 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 83 m²/s²
- 0-3 km storm-relative helicity
- 84 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
The text
As transmitted.
165
WGUS51 KPHI 270828
FFWPHI
NJC025-271230-
/O.NEW.KPHI.FF.W.0003.180527T0828Z-180527T1230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
428 AM EDT SUN MAY 27 2018
The National Weather Service in Mount Holly NJ has issued a
* Flash Flood Warning for...
Southeastern Monmouth County in central New Jersey...
* Until 830 AM EDT.
* At 427 AM EDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Up to
three 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...
Asbury Park, Tinton Falls, Manasquan, Point Pleasant Beach,
Farmingdale, Allenwood, Collingwood Park, Ramtown, Neptune City,
Brielle, Spring Lake Heights, Bradley Beach, Spring Lake,
Avon-By-the-sea, Sea Girt, Interlaken, Deal, Allenhurst, Loch
Arbour and Ocean Grove.
Additional rainfall amounts of 1 to 2 inches are possible in the
warned area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, urban areas, highways, streets and underpasses as
well as other drainage areas and low lying spots.
&&
LAT...LON 4008 7402 4008 7404 4010 7404 4010 7410
4014 7411 4011 7414 4020 7417 4023 7416
4024 7399
$$
JRK2 follow-up statements
795
WGUS71 KPHI 271028
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
628 AM EDT SUN MAY 27 2018
NJC025-271230-
/O.CON.KPHI.FF.W.0003.000000T0000Z-180527T1230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Monmouth NJ-
628 AM EDT SUN MAY 27 2018
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 830 AM EDT FOR
SOUTHEASTERN MONMOUTH COUNTY...
At 624 AM EDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain over the warned area. Three to
four inches of rain have already fallen. Numerous road closures due
to flooding have been reported, including on Route 18 near exit 6
and Route 35 both near Wyckoff Rd and south of NJ-138. Flash
flooding may be occurring or beginning shortly.
Some locations that could experience flooding include...
Asbury Park, Tinton Falls, Manasquan, Point Pleasant Beach,
Farmingdale, Allenwood, Collingwood Park, Ramtown, Neptune City,
Brielle, Spring Lake Heights, Bradley Beach, Spring Lake,
Avon-By-the-sea, Sea Girt, Interlaken, Deal, Allenhurst, Loch Arbour
and Ocean Grove.
Additional rainfall amounts of up to one inch are possible in the
warned area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, urban areas, highways, streets and underpasses
as well as other drainage areas and low lying spots.
Turn around...don't drown when encountering flooded roads. Most
flood deaths occur in vehicles.
Please report flooding to your local law enforcement agency when you
can do so safely.
&&
LAT...LON 4008 7402 4008 7404 4010 7404 4010 7410
4014 7411 4011 7414 4020 7417 4023 7416
4024 7399
$$
JRK981
WGUS71 KPHI 271231
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
831 AM EDT SUN MAY 27 2018
NJC025-271235-
/O.EXP.KPHI.FF.W.0003.000000T0000Z-180527T1230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Monmouth NJ-
831 AM EDT SUN MAY 27 2018
...THE FLASH FLOOD WARNING FOR SOUTHEASTERN MONMOUTH COUNTY WILL
EXPIRE AT 830 AM EDT...
The Flash Flood Warning has been converted to a Flood Warning.
Runoff and flooding will continue throughout the morning, but the
rapid rises the area experienced earlier has eased. A widespread
three to five inches fell in a short period of time earlier this
morning. More rain is expected throughout the morning, but it is not
expected to be as intense. Road closures have been reported. Creeks,
streams, and rivers, like the Shark River, have risen and will
continue to do so as the rain continues to runoff.
LAT...LON 4008 7402 4008 7404 4010 7404 4010 7410
4014 7411 4011 7414 4020 7417 4023 7416
4024 7399
$$
KruzdloThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 26, 11:38 PM EDT | Flash Flood Watch | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 9 more | 23 hr |
| May 27, 1:27 AM EDT | Special Marine Warning | PHI | 2 hr | |
| May 27, 1:46 AM EDT | Special Marine Warning | PHI | 89 min | |
| May 27, 1:58 AM EDT | Areal Flood Advisory | PHI | Monmouth | 4 hr |
| May 27, 2:13 AM EDT | Areal Flood Advisory | PHI | Morris, Warren | 4 hr |
| May 27, 4:13 AM EDT | Areal Flood Advisory | PHI | Middlesex, Somerset | 4 hr |
| May 27, 4:39 AM EDT | Flash Flood Warning | PHI | Middlesex, Somerset | 4 hr |
| May 27, 5:27 AM EDT | Areal Flood Advisory | PHI | Hunterdon | 4 hr |
| May 27, 5:35 AM EDT | Areal Flood Advisory | PHI | Mercer, Middlesex, Monmouth | 4 hr |
| May 27, 5:43 AM EDT | Flash Flood Warning | PHI | Monmouth | 4 hr |
| May 27, 6:12 AM EDT | Flash Flood Warning | PHI | Mercer, Middlesex, Somerset | 4 hr |
| May 27, 6:33 AM EDT | Flash Flood Warning | PHI | Hunterdon | 4 hr |
| May 27, 7:30 AM EDT | Flash Flood Warning | PHI | Mercer | 4 hr |
| May 27, 8:25 AM EDT | Areal Flood Warning | PHI | Monmouth | 7 hr |
| May 27, 8:40 AM EDT | Areal Flood Warning | PHI | Middlesex, Somerset | 4 hr |
| May 27, 9:05 AM EDT | River Flood Warning | PHI | Mercer | 13 hr |
| May 27, 9:17 AM EDT | Areal Flood Advisory | PHI | Burlington, Camden, Gloucester, Mercer, Monmouth, Ocean | 3 hr |
| May 27, 10:02 AM EDT | Areal Flood Warning | PHI | Monmouth | 6 hr |
| May 27, 10:19 AM EDT | Areal Flood Warning | PHI | Hunterdon, Mercer, Middlesex, Somerset | 8 hr |
| May 27, 10:27 AM EDT | Areal Flood Warning | PHI | Hunterdon | 8 hr |
| May 27, 11:18 AM EDT | Areal Flood Warning | PHI | Mercer | 7 hr |
| May 27, 3:10 PM EDT | River Flood Warning | PHI | Somerset | 46 hr |
| May 27, 3:22 PM EDT | Coastal Flood Advisory | PHI | Burlington, Camden, Gloucester, Mercer, Middlesex, Monmouth and 2 more | 12 hr |
| May 27, 3:44 PM EDT | Areal Flood Warning | PHI | Monmouth | 16 hr |
| May 27, 6:07 PM EDT | Areal Flood Warning | PHI | Mercer, Middlesex, Somerset | 4 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.