Alert archive / New Jersey / Flash Flood Warnings in 2014
Flash Flood Warning 55, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Aug 21, 2014, 11:24 PM EDT for Middlesex 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
- Aug 21, 2014, 11:24 PM EDT (03:24 UTC)
- Expired
- Aug 22, 2014, 3:30 AM EDT
- In force
- 4 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
Counties Middlesex County, NJ, Somerset County, NJ
The radar
The Philadelphia radar (KDIX), 76 km from the middle of the area, began a volume at 03:24 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 00:00Z, 3.4 hours before the alert went out and 144 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
- 1021 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
855
WGUS51 KPHI 220324
FFWPHI
NJC023-035-220730-
/O.NEW.KPHI.FF.W.0055.140822T0324Z-140822T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1124 PM EDT THU AUG 21 2014
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTH CENTRAL MIDDLESEX COUNTY IN NORTHERN NEW JERSEY...
NORTHERN SOMERSET COUNTY IN NORTHERN NEW JERSEY...
THIS INCLUDES THE CITY OF SOMERVILLE...
* UNTIL 330 AM EDT
* AT 1119 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN FROM A THUNDERSTORM OVER THE WARNED AREA.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO FAR
HILLS...PEAPACK AND GLADSTONE AND BASKING RIDGE
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SOME LOCATIONS IN THE WARNED AREA HAVE ALREADY SEEN OVER 2 INCHES OF
RAIN. THUS...ANY ADDITIONAL RAIN WILL QUICKLY BECOME RUNOFF AND
COULD LEAD TO FLASH FLOODING. ADDITIONAL RAINFALL AMOUNTS OF AROUND
ONE INCH ARE POSSIBLE IN THE WARNED AREA.
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.
&&
LAT...LON 4051 7434 4048 7465 4053 7473 4062 7470
4064 7473 4067 7473 4073 7470 4076 7455
4070 7451 4068 7453 4065 7452 4067 7446
4067 7440 4060 7444 4061 7431
$$
SFJ2 follow-up statements
511
WGUS71 KPHI 220446
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1246 AM EDT FRI AUG 22 2014
NJC023-035-220730-
/O.CON.KPHI.FF.W.0055.000000T0000Z-140822T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SOMERSET NJ-MIDDLESEX NJ-
1246 AM EDT FRI AUG 22 2014
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 330 AM EDT FOR NORTH
CENTRAL MIDDLESEX AND NORTHERN SOMERSET COUNTIES...
AT 1242 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THAT THE HEAVY RAIN HAD LEFT THE WARNED AREA. HOWEVER...WITH SOME
LOCATIONS RECEIVING OVER 3 INCHES OF RAIN...RUNOFF WILL BE SLOW TO
RECEDE AND DOWN STREAM LOCATIONS ALONG SMALL STREAMS...INCLUDING
MIDDLE BROOK MAY CONTINUE TO RISE OVER THE NEXT FEW HOURS.
THEREFORE...THE WARNING CONTINUES THROUGH 330 AM EDT.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO FAR HILLS...
PEAPACK AND GLADSTONE AND BASKING RIDGE
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.
&&
LAT...LON 4051 7434 4048 7465 4053 7473 4062 7470
4064 7473 4067 7473 4073 7470 4076 7455
4070 7451 4068 7453 4065 7452 4067 7446
4067 7440 4060 7444 4061 7431
$$
SFJ957
WGUS71 KPHI 220721
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
321 AM EDT FRI AUG 22 2014
NJC023-035-220730-
/O.EXP.KPHI.FF.W.0055.000000T0000Z-140822T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SOMERSET NJ-MIDDLESEX NJ-
321 AM EDT FRI AUG 22 2014
...THE FLASH FLOOD WARNING WILL EXPIRE AT 330 AM EDT FOR NORTH
CENTRAL MIDDLESEX AND NORTHERN SOMERSET COUNTIES...
ANY ADDITIONAL RAINFALL THIS MORNING SHOULD BE LIGHT THUS THE
WARNING WILL BE ALLOWED TO EXPIRE AT 330 AM EDT.
LAT...LON 4051 7434 4048 7465 4053 7473 4062 7470
4064 7473 4067 7473 4073 7470 4076 7455
4070 7451 4068 7453 4065 7452 4067 7446
4067 7440 4060 7444 4061 7431
$$
SFJThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 9:20 PM EDT | Special Weather Statement | PHI | Hunterdon | 55 min |
| Aug 21, 10:39 PM EDT | Areal Flood Advisory | PHI | Hunterdon, Morris, Somerset, Warren | 4 hr |
| Aug 21, 10:52 PM EDT | Flash Flood Warning | PHI | Sussex | 4 hr |
| Aug 21, 11:59 PM EDT | Flash Flood Warning | PHI | Hunterdon, Warren | 4 hr |
| Aug 22, 12:38 AM EDT | Special Weather Statement | PHI | Cape May | 37 min |
| Aug 22, 1:13 AM EDT | Special Weather Statement | PHI | Ocean | 62 min |
| Aug 22, 1:48 AM EDT | Areal Flood Advisory | PHI | Burlington, Ocean | 4 hr |
| Aug 22, 2:08 AM EDT | Special Weather Statement | PHI | Ocean | 67 min |
| Aug 22, 3:01 PM EDT | Small Craft Advisory | PHI | 3 days |
Nearby
Flash Flood Warnings in New Jersey, 2014Every flash flood warning in 2014
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.