Alert archive / New Jersey / Flash Flood Warnings in 2016
Flash Flood Warning 30, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Jul 31, 2016, 11:53 AM EDT for Hunterdon County, Somerset County, New Jersey. It was in force for 4 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
- Jul 31, 2016, 11:53 AM EDT (15:53 UTC)
- Expired
- Jul 31, 2016, 4:00 PM EDT
- In force
- 4 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
Counties Hunterdon County, NJ, Somerset County, NJ
The radar
The Philadelphia radar (KDIX), 65 km from the middle of the area, began a volume at 15:55 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 12:00Z, 3.9 hours before the alert went out and 149 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
- 325 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 544 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 137 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
202
WGUS51 KPHI 311553
FFWPHI
NJC019-035-312000-
/O.NEW.KPHI.FF.W.0030.160731T1553Z-160731T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1153 AM EDT SUN JUL 31 2016
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EAST CENTRAL HUNTERDON COUNTY IN NORTHWESTERN NEW JERSEY...
SOUTHERN SOMERSET COUNTY IN NORTHERN NEW JERSEY...
* UNTIL 400 PM EDT
* AT 1153 AM EDT...DOPPLER RADAR INDICATED HEAVY RAIN ACROSS THE
WARNED AREA. UP TO THREE INCHES OF RAIN HAVE ALREADY FALLEN. FLASH
FLOODING IS EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
NEW BRUNSWICK...SOMERVILLE...SOMERSET...MIDDLESEX...BOUND BROOK...
MANVILLE...MILLSTONE...MARTINSVILLE...BELLE MEAD...CLOVERHILL...
FLAGTOWN...RARITAN AND SOUTH BOUND BROOK.
ADDITIONAL RAINFALL AMOUNTS OF TWO TO THREE INCHES ARE POSSIBLE IN
THE WARNED AREA.
DRIVING INTO FLOOD WATERS COULD PUT YOUR LIFE AT RISK AND COST YOU
THOUSANDS OF DOLLARS IN VEHICLE REPAIRS. FLOOD WATERS MAY BE DEEPER
THAT YOU THINK. TURN AROUND AND FIND AN ALTERNATE ROUTE.
LAT...LON 4047 7449 4042 7475 4050 7483 4059 7470
4061 7453 4058 7451 4056 7453 4051 7447
4049 7446
$$
SFJ2 follow-up statements
359
WGUS71 KPHI 311717
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
117 PM EDT SUN JUL 31 2016
NJC019-035-312000-
/O.CON.KPHI.FF.W.0030.000000T0000Z-160731T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HUNTERDON NJ-SOMERSET NJ-
117 PM EDT SUN JUL 31 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 400 PM EDT FOR
EAST CENTRAL HUNTERDON AND SOUTHERN SOMERSET COUNTIES...
AT 116 PM EDT...DOPPLER RADAR INDICATED HEAVY RAIN ACROSS THE WARNED
AREA. FOUR TO FIVE INCHES OF RAIN HAVE FALLEN. FLASH FLOODING IS
EXPECTED TO BEGIN SHORTLY.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
NEW BRUNSWICK...SOMERVILLE...SOMERSET...MIDDLESEX...BOUND BROOK...
MANVILLE...MILLSTONE...MARTINSVILLE...BELLE MEAD...CLOVERHILL...
FLAGTOWN...RARITAN AND SOUTH BOUND BROOK.
ADDITIONAL RAINFALL AMOUNTS OF TWO TO THREE INCHES ARE POSSIBLE IN
THE WARNED AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT ENTER OR CROSS FLOWING WATER OR WATER OF UNKNOWN DEPTH.
&&
LAT...LON 4047 7449 4042 7475 4050 7483 4059 7470
4061 7453 4058 7451 4056 7453 4051 7447
4049 7446
$$
SFJ817
WGUS71 KPHI 311958
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
358 PM EDT SUN JUL 31 2016
NJC019-035-312003-
/O.EXP.KPHI.FF.W.0030.000000T0000Z-160731T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HUNTERDON NJ-SOMERSET NJ-
358 PM EDT SUN JUL 31 2016
...THE FLASH FLOOD WARNING FOR EAST CENTRAL HUNTERDON AND SOUTHERN
SOMERSET COUNTIES WILL EXPIRE AT 400 PM EDT...
THE HEAVY RAIN HAS ENDED. NO NEW FLOODING, ASSOCIATED WITH THIS
MORNING'S RAIN, IS EXPECTED. THE NESHANIC RIVER AT REAVILLE REMAINS
ABOVE FLOOD STAGE. ROADS ARE STILL CLOSED IN BRANCHBURG AND
HILLSBOROUGH. THE FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE.
BECAUSE OF THE NESHANIC RIVER AND THE ROAD CLOSURES, A FLOOD WARNING
REMAINS IN PLACE FOR PORTIONS OF HUNTERDON AND SOMERSET COUNTIES.
LAT...LON 4047 7449 4042 7475 4050 7483 4059 7470
4061 7453 4058 7451 4056 7453 4051 7447
4049 7446
$$
KRUZDLOThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 30, 8:15 PM EDT | Areal Flood Advisory | PHI | Hunterdon | 4 hr |
| Jul 30, 10:19 PM EDT | Areal Flood Warning | PHI | Mercer, Middlesex, Somerset | 7 hr |
| Jul 30, 10:32 PM EDT | Areal Flood Warning | PHI | Hunterdon | 4 hr |
| Jul 30, 10:54 PM EDT | Special Weather Statement | PHI | Cumberland, Gloucester, Salem | 36 min |
| Jul 31, 6:31 AM EDT | Areal Flood Advisory | PHI | Burlington, Camden, Hunterdon, Mercer | 44 min |
| Jul 31, 6:49 AM EDT | River Flood Warning | PHI | Somerset | 25 hr |
| Jul 31, 7:04 AM EDT | Flash Flood Warning | PHI | Burlington, Ocean | 4 hr |
| Jul 31, 7:19 AM EDT | Areal Flood Advisory | PHI | Burlington, Camden, Mercer | 3 hr |
| Jul 31, 7:22 AM EDT | Areal Flood Advisory | PHI | Hunterdon, Mercer, Somerset | 4 hr |
| Jul 31, 7:48 AM EDT | Areal Flood Advisory | PHI | Burlington, Ocean | 4 hr |
| Jul 31, 8:21 AM EDT | Flash Flood Warning | PHI | Hunterdon | 7 hr |
| Jul 31, 9:59 AM EDT | Special Marine Warning | PHI | 61 min | |
| Jul 31, 10:08 AM EDT | Areal Flood Advisory | PHI | Atlantic, Cape May, Cumberland | 4 hr |
| Jul 31, 10:17 AM EDT | Areal Flood Advisory | PHI | Middlesex, Morris, Somerset | 4 hr |
| Jul 31, 11:04 AM EDT | Areal Flood Warning | PHI | Hunterdon, Somerset | 9 hr |
| Jul 31, 12:28 PM EDT | Flash Flood Watch | PHI | Hunterdon, Mercer, Middlesex, Monmouth, Morris, Somerset and 2 more | 38 hr |
| Jul 31, 12:44 PM EDT | Areal Flood Advisory | PHI | Monmouth | 4 hr |
| Jul 31, 2:06 PM EDT | Flash Flood Warning | PHI | Monmouth | 4 hr |
| Jul 31, 2:41 PM EDT | Special Weather Statement | PHI | Mercer | 49 min |
| Jul 31, 2:53 PM EDT | Special Weather Statement | PHI | Ocean | 22 min |
| Jul 31, 7:34 PM EDT | Areal Flood Advisory | PHI | Warren | 4 hr |
Nearby
Flash Flood Warnings in New Jersey, 2016Every flash flood warning in 2016
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.