Alert archive / New Jersey / Flash Flood Warnings in 2014
Flash Flood Warning 56, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Aug 21, 2014, 11:59 PM EDT for Hunterdon County, Warren County, New Jersey; Northampton County, Pennsylvania. 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
- Aug 21, 2014, 11:59 PM EDT (03:59 UTC)
- Expired
- Aug 22, 2014, 4:00 AM EDT
- In force
- 4 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
Counties Hunterdon County, NJ, Warren County, NJ, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 104 km from the middle of the area, began a volume at 04:03 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 |
|---|---|---|---|
| Aug 22, 12:45 AM EDT | FLASH FLOOD | Forks Twp, PA | A FEW ROADS CLOSED AROUND FORKS TOWNSHIP. TIME ESTIMATED FROM RADAR |
| Aug 22, 1:00 AM EDT | FLASH FLOOD | Phillipsburg, NJ | HIGHWAY 22 WAS FLOODED |
| Aug 22, 1:00 AM EDT | FLASH FLOOD | Washington, NJ | HIGHWASY 31 AND 57 WERE FLOODED. TIME ESTIMATED. |
| Aug 22, 1:17 AM EDT | FLASH FLOOD | Belfast, PA | LOCAL ROADS FLOODED THROUGHOUT THE COUNTY |
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, 4.0 hours before the alert went out and 190 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.
900
WGUS51 KPHI 220359
FFWPHI
NJC019-041-PAC095-220800-
/O.NEW.KPHI.FF.W.0056.140822T0359Z-140822T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1159 PM EDT THU AUG 21 2014
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHAMPTON COUNTY IN EASTERN PENNSYLVANIA...
THIS INCLUDES THE CITY OF EASTON...
NORTHWESTERN HUNTERDON COUNTY IN NORTHWEST NEW JERSEY...
SOUTHERN WARREN COUNTY IN NORTHWEST NEW JERSEY...
* UNTIL 400 AM EDT
* AT 1152 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 ROXBURG...
EAST BANGOR...BELFAST...WIND GAP...PEN ARGYL...BANGOR...OXFORD AND
BELVIDERE
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ADDITIONAL RAINFALL AMOUNTS OF AROUND ONE INCH ARE POSSIBLE IN THE
WARNED AREA.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
&&
LAT...LON 4083 7488 4080 7487 4079 7489 4075 7484
4057 7510 4057 7515 4056 7517 4058 7520
4061 7520 4060 7521 4061 7523 4081 7552
4084 7536 4090 7521
$$
SFJ2 follow-up statements
566
WGUS71 KPHI 220528
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
128 AM EDT FRI AUG 22 2014
NJC019-041-PAC095-220800-
/O.CON.KPHI.FF.W.0056.000000T0000Z-140822T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WARREN NJ-HUNTERDON NJ-NORTHAMPTON PA-
128 AM EDT FRI AUG 22 2014
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 400 AM EDT FOR
NORTHAMPTON...NORTHWESTERN HUNTERDON AND SOUTHERN WARREN COUNTIES...
AT 124 AM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED SOME LOCAL
ROADS HAVE FLOODED. NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES
OVER THREE INCHES OF RAIN HAVE FALLEN OVER MUCH OF THE WARNED AREA.
ADDITIONAL RAIN AMOUNTS UP TO ONE INCH ARE POSSIBLE.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO EAST
BANGOR...BELFAST...WASHINGTON...WIND GAP...TATAMY...PEN ARGYL...
NAZARETH...BATH...BANGOR...ROXBURG...PLEASANT VALLEY...OXFORD...
HARMONY...HAMPTON...BRASS CASTLE AND BELVIDERE
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.
&&
LAT...LON 4083 7488 4080 7487 4079 7489 4075 7484
4057 7510 4057 7515 4056 7517 4058 7520
4061 7520 4060 7521 4061 7523 4081 7552
4084 7536 4090 7521
$$
SFJ857
WGUS71 KPHI 220753
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
353 AM EDT FRI AUG 22 2014
NJC019-041-PAC095-220803-
/O.EXP.KPHI.FF.W.0056.000000T0000Z-140822T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WARREN NJ-HUNTERDON NJ-NORTHAMPTON PA-
353 AM EDT FRI AUG 22 2014
...THE FLASH FLOOD WARNING WILL EXPIRE AT 400 AM EDT FOR
NORTHAMPTON...NORTHWESTERN HUNTERDON AND SOUTHERN WARREN COUNTIES...
RAIN HAS LEFT THE WARNED AREA...AND LAW ENFORCEMENT REPORTS NO
ONGOING FLOODING. THUS THE WARNING WILL BE ALLOWED TO EXPIRE AT 4 AM
EDT.
LAT...LON 4083 7488 4080 7487 4079 7489 4075 7484
4057 7510 4057 7515 4056 7517 4058 7520
4061 7520 4060 7521 4061 7523 4081 7552
4084 7536 4090 7521
$$
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, 11:24 PM EDT | Flash Flood Warning | PHI | Middlesex, Somerset | 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 | |
| Aug 21, 10:27 PM EDT | Special Weather Statement | PHI | Monroe | 63 min |
| Aug 21, 11:06 PM EDT | Special Weather Statement | PHI | Bucks | 54 min |
Nearby
Flash Flood Warnings in New Jersey, 2014Flash Flood Warnings in Pennsylvania, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.