Alert archive / Pennsylvania / Flash Flood Warnings in 2016
Flash Flood Warning 33, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Aug 11, 2016, 11:13 PM EDT for Carbon County, Monroe County, Northampton County, Pennsylvania; Morris County, Sussex County, Warren 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 11, 2016, 11:13 PM EDT (03:13 UTC)
- Expired
- Aug 12, 2016, 3:15 AM EDT
- In force
- 4 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
Counties Morris County, NJ, Sussex County, NJ, Warren County, NJ, Carbon County, PA, Monroe County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 118 km from the middle of the area, began a volume at 03:13 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, 3.2 hours before the alert went out and 169 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
- 2115 J/kg
- Mixed-layer CIN
- -56 J/kg
- Mixed-layer LCL
- 949 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 87 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
697
WGUS51 KPHI 120313
FFWPHI
NJC027-037-041-PAC025-089-095-120715-
/O.NEW.KPHI.FF.W.0033.160812T0313Z-160812T0715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1113 PM EDT THU AUG 11 2016
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLASH FLOOD WARNING FOR...
WARREN COUNTY IN NORTHWESTERN NEW JERSEY...
SOUTHWESTERN SUSSEX COUNTY IN NORTHWESTERN NEW JERSEY...
MORRIS COUNTY IN NORTHERN NEW JERSEY...
NORTHAMPTON COUNTY IN EASTERN PENNSYLVANIA...
MONROE COUNTY IN NORTHEASTERN PENNSYLVANIA...
CARBON COUNTY IN NORTHEASTERN PENNSYLVANIA...
* UNTIL 315 AM EDT
* AT 1111 PM EDT...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED
NUMEROUS THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED
AREA. OVER TWO INCHES OF RAIN HAS ALREADY FALLEN IN SOME
LOCATIONS. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
EASTON...MORRISTOWN...NEWTON...LEHIGHTON...DOVER...HOPATCONG...
FORKS...LINCOLN PARK...KINNELON...EAST STROUDSBURG...
HACKETTSTOWN...BOONTON...WILSON...WHARTON...WASHINGTON...
ROCKAWAY...BLAIRSTOWN...NAZARETH...MORRIS PLAINS AND PALMERTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 4106 7449 4104 7450 4105 7446 4095 7427
4090 7427 4091 7433 4083 7433 4074 7483
4078 7490 4072 7496 4066 7527 4081 7556
4074 7576 4091 7600 4116 7516 4114 7509
4108 7503 4116 7490 4125 7484
$$
JJM2 follow-up statements
089
WGUS71 KPHI 120441
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1241 AM EDT FRI AUG 12 2016
PAC095-120447-
/O.CAN.KPHI.FF.W.0033.000000T0000Z-160812T0715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NORTHAMPTON PA-
1241 AM EDT FRI AUG 12 2016
...THE FLASH FLOOD WARNING FOR NORTHAMPTON COUNTY IS CANCELLED...
THE HEAVY RAIN HAS ENDED...AND FLOODING IS NO LONGER EXPECTED TO POSE
A THREAT. PLEASE CONTINUE TO HEED ALL ROAD CLOSURES.
LAT...LON 4090 7427 4091 7433 4083 7433 4074 7482
4078 7490 4071 7500 4068 7519 4075 7519
4086 7505 4099 7512 4087 7530 4074 7576
4091 7599 4104 7549 4107 7500 4112 7485
4104 7450 4105 7446 4095 7427
$$
NJC027-037-041-PAC025-089-120715-
/O.CON.KPHI.FF.W.0033.000000T0000Z-160812T0715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WARREN NJ-SUSSEX NJ-MORRIS NJ-MONROE PA-CARBON PA-
1241 AM EDT FRI AUG 12 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 315 AM EDT FOR
WARREN...SOUTHWESTERN SUSSEX...MORRIS...SOUTHERN MONROE AND CARBON
COUNTIES...
AT 1237 AM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS WERE
DECREASING IN STRENGTH AND AREAL COVERAGE. HOWEVER...WATER LEVELS
REMAIN HIGH IN CERTAIN AREAS DUE TO EARLIER RAIN. THEREFORE...THE
FLASH FLOOD WARNING REMAINS IN EFFECT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
DO NOT DRIVE ACROSS FLOODED ROADWAYS. TURN AROUND...DON'T DROWN.
&&
LAT...LON 4090 7427 4091 7433 4083 7433 4074 7482
4078 7490 4071 7500 4068 7519 4075 7519
4086 7505 4099 7512 4087 7530 4074 7576
4091 7599 4104 7549 4107 7500 4112 7485
4104 7450 4105 7446 4095 7427
$$
JJM319
WGUS71 KPHI 120707
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
307 AM EDT FRI AUG 12 2016
NJC027-037-041-PAC025-089-120716-
/O.EXP.KPHI.FF.W.0033.000000T0000Z-160812T0715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WARREN NJ-SUSSEX NJ-MORRIS NJ-MONROE PA-CARBON PA-
307 AM EDT FRI AUG 12 2016
...THE FLASH FLOOD WARNING FOR WARREN...SOUTHWESTERN SUSSEX...
MORRIS...SOUTHERN MONROE AND CARBON COUNTIES WILL EXPIRE AT 315 AM
EDT...
THE HEAVY RAINS FROM EARLIER HAS ENDED...AND FLOODING IS NO LONGER
EXPECTED TO POSE A THREAT. ADDITIONAL SHOWERS WILL MOVE ACROSS THE
AREA THROUGH 5 AM.
LAT...LON 4090 7427 4091 7433 4083 7433 4074 7482
4078 7490 4071 7500 4068 7519 4075 7519
4086 7505 4099 7512 4087 7530 4074 7576
4091 7599 4104 7549 4107 7500 4112 7485
4104 7450 4105 7446 4095 7427
$$
POThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 11, 10:39 PM EDT | Special Weather Statement | PHI | Carbon, Lehigh, Monroe, Northampton | 51 min |
| Aug 11, 10:57 PM EDT | Areal Flood Advisory | PHI | Carbon, Lehigh, Monroe, Northampton | 4 hr |
| Aug 12, 3:04 AM EDT | Special Weather Statement | PHI | Lehigh, Northampton | 56 min |
| Aug 12, 3:38 PM EDT | Heat Advisory | PHI | Carbon, Monroe | 27 hr |
| Aug 12, 3:53 PM EDT | Special Weather Statement | PHI | Carbon, Monroe | 52 min |
| Aug 12, 4:03 PM EDT | Special Weather Statement | PHI | Berks, Chester | 57 min |
| Aug 12, 4:45 PM EDT | Special Weather Statement | PHI | Lehigh, Northampton | 60 min |
| Aug 12, 4:49 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery | 41 min |
| Aug 12, 12:06 AM EDT | Areal Flood Advisory | PHI | Hunterdon, Morris, Somerset | 3 hr |
| Aug 12, 4:24 AM EDT | Small Craft Advisory | PHI | 20 hr | |
| Aug 12, 5:40 PM EDT | Special Weather Statement | PHI | Morris | 50 min |
| Aug 12, 5:44 PM EDT | Special Weather Statement | PHI | Hunterdon, Somerset | 31 min |
| Aug 12, 6:11 PM EDT | Special Weather Statement | PHI | Somerset | 34 min |
Nearby
Flash Flood Warnings in Pennsylvania, 2016Flash 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.