Alert archive / New Jersey / Flash Flood Warnings in 2013
Flash Flood Warning 70, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Sep 12, 2013, 8:16 AM EDT for Hunterdon County, New Jersey. It was in force for 3 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
- Sep 12, 2013, 8:16 AM EDT (12:16 UTC)
- Expired
- Sep 12, 2013, 11:15 AM EDT
- In force
- 3 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
County Hunterdon County, NJ
The radar
The Philadelphia radar (KDIX), 93 km from the middle of the area, began a volume at 12:18 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 |
|---|---|---|---|
| Sep 12, 8:40 AM EDT | FLASH FLOOD | Little York, NJ | SWEET HOLLOW ROAD....FLASH FLOODING WITH WATER LEVELS UP OVER WHEELWELLS. |
| Sep 12, 8:45 AM EDT | FLASH FLOOD | Alexandria Twp, NJ | SEVERAL ROADS IMPACTED...POSSIBLE WASHOUT OVER ONE ROAD. |
| Sep 12, 8:45 AM EDT | FLASH FLOOD | Holland Twp, NJ | SEVERAL ROADS IMPACTED. |
| Sep 12, 8:45 AM EDT | FLASH FLOOD | Holland Twp, NJ | SEVERAL ROADS IMPACTED... |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 0.3 hours before the alert went out and 158 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
- 1009 J/kg
- Mixed-layer CIN
- -79 J/kg
- Mixed-layer LCL
- 970 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 35 m²/s²
- 0-3 km storm-relative helicity
- 39 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
598
WGUS51 KPHI 121216
FFWPHI
NJC019-121515-
/O.NEW.KPHI.FF.W.0070.130912T1216Z-130912T1515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
816 AM EDT THU SEP 12 2013
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHWESTERN HUNTERDON COUNTY...
* UNTIL 1115 AM EDT...
* AT 815 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN FROM A THUNDERSTORM OVER NORTHWESTERN HUNTERDON
COUNTY.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO RURAL AREAS
OF NORTHWESTERN HUNTERDON COUNTY.
ADDITIONAL RAINFALL AMOUNTS OF UP TO 1.5 INCHES ARE POSSIBLE IN THE WARNED
AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. NEVER ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR IN AN
AUTOMOBILE. TURN AROUND DON'T DROWN!
&&
LAT...LON 4064 7485 4054 7507 4057 7511 4056 7517
4058 7520 4062 7516 4065 7510 4070 7501
4071 7497 4074 7494
$$
FORECASTER: HEAVENER3 follow-up statements
007
WGUS71 KPHI 121259
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
859 AM EDT THU SEP 12 2013
NJC019-121515-
/O.CON.KPHI.FF.W.0070.000000T0000Z-130912T1515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HUNTERDON NJ-
859 AM EDT THU SEP 12 2013
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1115 AM EDT FOR
NORTHWESTERN HUNTERDON COUNTY...
AT 852 AM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH
FLOODING OVER NORTHWESTERN HUNTERDON COUNTY. AREA ROADWAYS IN THE
NORTHERN PORTION OF ALEXANDRIA TOWNSHIP ARE COVERED IN WATER.
ADDITIONAL RAINFALL AMOUNTS OF A HALF INCH TO ONE INCH ARE POSSIBLE
IN THE WARNED AREA THOUGH THE STORMS HAVE WEAKENED.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.
&&
LAT...LON 4064 7485 4054 7507 4057 7511 4056 7517
4058 7520 4062 7516 4065 7510 4070 7501
4071 7497 4074 7494
$$
FORECASTER: HEAVENER381
WGUS71 KPHI 121435
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1035 AM EDT THU SEP 12 2013
NJC019-121515-
/O.CON.KPHI.FF.W.0070.000000T0000Z-130912T1515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HUNTERDON NJ-
1035 AM EDT THU SEP 12 2013
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1115 AM EDT FOR
NORTHWESTERN HUNTERDON COUNTY...
AT 1027 AM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED CONTINUED
FLASH FLOODING OVER NORTHWESTERN HUNTERDON COUNTY. MULTIPLE ROADS IN
ALEXANDRIA AND HOLLAND TOWNSHIPS ARE COVERED IN WATER.
ADDITIONAL RAINFALL AMOUNTS OF A HALF INCH ARE POSSIBLE IN THE
WARNED AREA.
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 4064 7485 4054 7507 4057 7511 4056 7517
4058 7520 4062 7516 4065 7510 4070 7501
4071 7497 4074 7494
$$
FORECASTER: HEAVENER664
WGUS71 KPHI 121506
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1106 AM EDT THU SEP 12 2013
NJC019-121516-
/O.EXP.KPHI.FF.W.0070.000000T0000Z-130912T1515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HUNTERDON NJ-
1106 AM EDT THU SEP 12 2013
...THE FLASH FLOOD WARNING WILL EXPIRE AT 1115 AM EDT FOR
NORTHWESTERN HUNTERDON COUNTY...
THE WATERS FROM THE EARLIER HEAVY RAINS ARE RECEDING AND NO LONGER
POSE A THREAT TO LIFE OR PROPERTY. THEREFORE...THE FLASH FLOOD
WARNING WILL BE ALLOWED TO EXPIRE.
LAT...LON 4064 7485 4054 7507 4057 7511 4056 7517
4058 7520 4062 7516 4065 7510 4070 7501
4071 7497 4074 7494
$$
FORECASTER: HEAVENERThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 12, 6:43 AM EDT | Special Weather Statement | PHI | Hunterdon | 62 min |
| Sep 12, 7:38 AM EDT | Areal Flood Advisory | PHI | Hunterdon | 3 hr |
| Sep 12, 11:15 AM EDT | Special Weather Statement | PHI | Hunterdon, Morris, Somerset | 60 min |
| Sep 12, 11:35 AM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Somerset | 55 min |
| Sep 12, 1:19 PM EDT | Special Weather Statement | PHI | Monmouth | 56 min |
| Sep 12, 3:13 PM EDT | Special Weather Statement | PHI | Monmouth | 62 min |
| Sep 12, 5:38 PM EDT | Small Craft Advisory | PHI | 7 hr | |
| Sep 12, 6:00 PM EDT | Special Weather Statement | PHI | Morris, Sussex, Warren | 90 min |
| Sep 12, 6:07 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Sussex, Warren | 68 min |
| Sep 12, 6:35 PM EDT | Special Weather Statement | PHI | Middlesex | 55 min |
| Sep 12, 6:43 PM EDT | Special Weather Statement | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer, Somerset | 62 min |
| Sep 12, 7:28 PM EDT | Special Weather Statement | PHI | Burlington, Middlesex, Monmouth | 62 min |
Nearby
Flash Flood Warnings in New Jersey, 2013Every flash flood warning in 2013
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.