Alert archive / New Jersey / Flash Flood Warnings in 2019
Flash Flood Warning 13, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at May 30, 2019, 6:06 PM 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
- May 30, 2019, 6:06 PM EDT (22:06 UTC)
- Expired
- May 30, 2019, 10:00 PM EDT
- In force
- 4 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
Counties Hunterdon County, NJ, Middlesex 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 22:06 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 30, 6:56 PM EDT | FLASH FLOOD | 2 Ene Somerville, NJ | U.S. HIGHWAY 22 CLOSED AT NORTH ADAMSVILLE ROAD FROM FLASH FLOODING. |
| May 30, 6:57 PM EDT | FLASH FLOOD | 1 N Bound Brook, NJ | U.S. HIGHWAY 22 CLOSED AT MOUNTAIN AVENUE FROM FLASH FLOODING. |
| May 30, 7:02 PM EDT | FLOOD | 2 Ssw Martinsville, NJ | FLOODING ON INTERSTATE 287 NORTHBOUND AT EXIT 14. RAMP CLOSURE IN PLACE. |
| May 30, 7:12 PM EDT | FLOOD | 2 Nw White House Statio, NJ | FLOODING ON U.S. HIGHWAY 22 NEAR POTTERSTOWN ROAD IN READINGTON TWP. LANE RESTRICTIONS IN PLACE. |
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 12:00Z, 10.1 hours before the alert went out and 138 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
- 546 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- -63 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
503
WGUS51 KPHI 302206
FFWPHI
NJC019-023-027-035-310200-
/O.NEW.KPHI.FF.W.0013.190530T2206Z-190531T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mount Holly NJ
606 PM EDT Thu May 30 2019
The National Weather Service in Mount Holly NJ has issued a
* Flash Flood Warning for...
Southwestern Morris County in northern New Jersey...
Northeastern Hunterdon County in northwestern New Jersey...
Somerset County in northern New Jersey...
Middlesex County in northern New Jersey...
* Until 1000 PM EDT.
* At 606 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. 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...
New Brunswick, Perth Amboy, Somerville, Somerset, Edison, Old
Bridge, East Brunswick, Bridgewater, South Brunswick, Sayreville,
North Brunswick, Carteret, Middlesex, Bound Brook, Manville,
Matawan, Flemington, High Bridge, Clinton and Peapack And
Gladstone.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around...don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
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 4056 7421 4055 7425 4050 7426 4050 7428
4045 7423 4040 7425 4033 7435 4049 7484
4066 7509 4071 7497 4081 7484 4068 7445
4066 7445 4066 7440 4063 7442 4060 7446
4060 7420
$$
Meola1 follow-up statement
908
WGUS71 KPHI 302307
FFSPHI
Flash Flood Statement
National Weather Service Mount Holly NJ
707 PM EDT Thu May 30 2019
NJC019-023-027-035-310200-
/O.CON.KPHI.FF.W.0013.000000T0000Z-190531T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Morris NJ-Hunterdon NJ-Somerset NJ-Middlesex NJ-
707 PM EDT Thu May 30 2019
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1000 PM EDT FOR
SOUTHWESTERN MORRIS...NORTHEASTERN HUNTERDON...SOMERSET AND MIDDLESEX
COUNTIES...
At 704 PM EDT, Doppler radar indicated the thunderstorms with heavy
rain had left the warned area. However, additional rain is possible
with showers and it will take time for the runoff to recede. Up to
two inches of rain have already fallen.
Some locations that could experience flooding include...
New Brunswick, Perth Amboy, Somerville, Somerset, Edison, Old Bridge,
East Brunswick, Bridgewater, South Brunswick, Sayreville, North
Brunswick, Carteret, Middlesex, Bound Brook, Manville, Matawan,
Flemington, High Bridge, Clinton and Peapack And Gladstone.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around...don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 4056 7421 4055 7425 4050 7426 4050 7428
4045 7423 4040 7425 4033 7435 4049 7484
4066 7509 4071 7497 4081 7484 4068 7445
4066 7445 4066 7440 4063 7442 4060 7446
4060 7420
$$
SFJThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 8:00 PM EDT | Special Marine Warning | PHI | 60 min | |
| May 29, 8:02 PM EDT | Areal Flood Advisory | PHI | Atlantic, Burlington, Cape May, Ocean | 107 min |
| May 29, 8:35 PM EDT | Special Marine Warning | PHI | 85 min | |
| May 30, 3:20 AM EDT | Flash Flood Watch | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 7 more | 18 hr |
| May 30, 3:33 AM EDT | Dense Fog Advisory | PHI | Burlington, Mercer | 4 hr |
| May 30, 4:17 PM EDT | Areal Flood Advisory | PHI | Sussex, Warren | 4 hr |
| May 30, 4:19 PM EDT | Areal Flood Advisory | PHI | Burlington, Camden, Gloucester | 4 hr |
| May 30, 4:25 PM EDT | Special Weather Statement | PHI | Warren | 35 min |
| May 30, 4:36 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer, Monmouth, Ocean | 39 min |
| May 30, 4:40 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Warren | 50 min |
| May 30, 4:46 PM EDT | Special Weather Statement | PHI | Salem | 29 min |
| May 30, 4:48 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Warren | 42 min |
| May 30, 4:49 PM EDT | Flash Flood Warning | PHI | Warren | 4 hr |
| May 30, 4:57 PM EDT | Areal Flood Advisory | PHI | Burlington, Hunterdon, Mercer, Middlesex, Monmouth, Ocean and 1 more | 4 hr |
| May 30, 4:58 PM EDT | Special Marine Warning | PHI | 62 min | |
| May 30, 5:03 PM EDT | Areal Flood Advisory | PHI | Hunterdon, Morris, Somerset, Warren | 4 hr |
| May 30, 5:14 PM EDT | Special Weather Statement | PHI | Salem | 31 min |
| May 30, 5:17 PM EDT | Flash Flood Warning | PHI | Burlington, Camden, Mercer, Monmouth | 4 hr |
| May 30, 5:20 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Middlesex, Morris, Somerset, Warren | 40 min |
| May 30, 5:22 PM EDT | Areal Flood Advisory | PHI | Cape May, Cumberland, Gloucester, Salem | 2 hr |
| May 30, 5:23 PM EDT | Special Weather Statement | PHI | Mercer | 37 min |
| May 30, 5:32 PM EDT | Severe Thunderstorm Warning | PHI | Cape May | 43 min |
| May 30, 5:33 PM EDT | Special Marine Warning | PHI | 27 min | |
| May 30, 5:55 PM EDT | Special Marine Warning | PHI | 65 min | |
| May 30, 5:55 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Middlesex, Morris, Somerset | 31 min |
| May 30, 6:53 PM EDT | Flash Flood Warning | PHI | Morris, Somerset | 4 hr |
| May 30, 7:35 PM EDT | Special Weather Statement | PHI | Mercer | 25 min |
| May 30, 7:56 PM EDT | Special Weather Statement | PHI | Mercer | 34 min |
Nearby
Flash Flood Warnings in New Jersey, 2019Every flash flood warning in 2019
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.