Alert archive / New Jersey / Flash Flood Warnings in 2014
Flash Flood Warning 54, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Aug 21, 2014, 10:52 PM EDT for Sussex 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, 10:52 PM EDT (02:52 UTC)
- Expired
- Aug 22, 2014, 2:45 AM EDT
- In force
- 4 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
County Sussex County, NJ
The radar
The Philadelphia radar (KDIX), 134 km from the middle of the area, began a volume at 02:55 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 00:00Z, 2.9 hours before the alert went out and 165 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.
122
WGUS51 KPHI 220252
FFWPHI
NJC037-220645-
/O.NEW.KPHI.FF.W.0054.140822T0252Z-140822T0645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1052 PM EDT THU AUG 21 2014
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SUSSEX COUNTY IN NORTHWEST NEW JERSEY...
THIS INCLUDES THE CITY OF NEWTON...
* UNTIL 245 AM EDT
* AT 1044 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR
INDICATED FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA.
MUCH OF THE WARNED AREA HAS ALREADY RECEIVED OVER 2 INCHES OF
RAIN. ANY ADDITIONAL RAIN WILL QUICKLY BECOME RUNOFF AND COULD
LEAD TO FLASH FLOODING.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SUSSEX AND
HAINESVILLE
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ADDITIONAL RAINFALL AMOUNTS OF UP TO AN 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 4115 7443 4091 7473 4091 7476 4107 7494
4109 7497 4109 7498 4112 7497 4118 7489
4121 7487 4123 7487 4129 7483
$$
JOHNSON2 follow-up statements
667
WGUS71 KPHI 220410
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1210 AM EDT FRI AUG 22 2014
NJC037-220645-
/O.CON.KPHI.FF.W.0054.000000T0000Z-140822T0645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SUSSEX NJ-
1210 AM EDT FRI AUG 22 2014
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 245 AM EDT FOR
SUSSEX COUNTY...
AT 1205 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THE HEAVIEST RAIN HAD LEFT THE WARNED AREA. HOWEVER...PORTIONS OF
THE WARNED AREA HAD OVER 3 INCHES OF RAIN. THUS...RUNOFF WILL BE
SLOW TO RECEDE...SO THE FLASH FLOOD WARNING CONTINUES THROUGH 245
AM EDT.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CRANDON
LAKES...BRANCHVILLE...SUSSEX...HAMBURG...HAINESVILLE AND PELLETTOWN
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
&&
LAT...LON 4115 7443 4091 7473 4091 7476 4107 7494
4109 7497 4109 7498 4112 7497 4118 7489
4121 7487 4123 7487 4129 7483
$$
SFJ661
WGUS71 KPHI 220639
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
239 AM EDT FRI AUG 22 2014
NJC037-220647-
/O.EXP.KPHI.FF.W.0054.000000T0000Z-140822T0645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SUSSEX NJ-
239 AM EDT FRI AUG 22 2014
...THE FLASH FLOOD WARNING WILL EXPIRE AT 245 AM EDT FOR SUSSEX
COUNTY...
ALTHOUGH ADDITIONAL RAIN IS POSSIBLE THIS MORNING...THE STORMS WITH
THE HEAVIEST RAIN HAVE LEFT THE WARNED AREA AND LAW ENFORCEMENT
REPORTS NO ONGOING FLOODING. THUS...THE WARNING WILL BE ALLOWED TO
EXPIRE AT 245 AM.
LAT...LON 4115 7443 4091 7473 4091 7476 4107 7494
4109 7497 4109 7498 4112 7497 4118 7489
4121 7487 4123 7487 4129 7483
$$
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, 11:24 PM EDT | Flash Flood Warning | PHI | Middlesex, Somerset | 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.