Alert archive / Pennsylvania / Flash Flood Warnings in 2014
Flash Flood Warning 18, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Jul 2, 2014, 6:13 PM EDT for Bucks County, Pennsylvania; Hunterdon County, New Jersey. It was in force for 4 hr. 2 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
- Jul 2, 2014, 6:13 PM EDT (22:13 UTC)
- Expired
- Jul 2, 2014, 10:15 PM EDT
- In force
- 4 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
Counties Hunterdon County, NJ, Bucks County, PA
The radar
The Philadelphia radar (KDIX), 75 km from the middle of the area, began a volume at 22:15 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 |
|---|---|---|---|
| Jul 2, 6:15 PM EDT | FLOOD | Frenchtown, NJ | ROUTE 12 FLOODED BETWEEN FRENCHTOWN TO FLEMINGTON |
| Jul 2, 7:15 PM EDT | FLASH FLOOD | Flemington, NJ | CAR STUCK IN ROAD IN FLEMINTON ON ROUTE 212 |
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, 10.2 hours before the alert went out and 140 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
- 1420 J/kg
- Mixed-layer CIN
- -102 J/kg
- Mixed-layer LCL
- 901 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 52 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.5
The text
As transmitted, in the capitals the NWS used until 2016.
183
WGUS51 KPHI 022213
FFWPHI
NJC019-PAC017-030215-
/O.NEW.KPHI.FF.W.0018.140702T2213Z-140703T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
613 PM EDT WED JUL 2 2014
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHERN HUNTERDON COUNTY IN NORTHWEST NEW JERSEY...
CENTRAL BUCKS COUNTY IN SOUTHEAST PENNSYLVANIA...
* UNTIL 1015 PM EDT
* AT 610 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
TWO TO TWO AND A HALF INCHES HAS FALLEN ACROSS THE THE WARNED
AREA WITH ANOTHER INCH OR TWO POSSIBLE WHICH COULD CAUSE SOME
FLASH FLOODING.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
FLEMINGTON...ERWINNA AND FRENCHTOWN
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.
IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS
FLOODED ROADS. FIND ALTERNATE ROUTES. IT TAKES ONLY A FEW INCHES OF
SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.
&&
LAT...LON 4028 7520 4039 7534 4061 7490 4052 7479
4049 7479
$$
ROBERTSON1 follow-up statement
235
WGUS71 KPHI 030029
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
829 PM EDT WED JUL 2 2014
NJC019-PAC017-030038-
/O.CAN.KPHI.FF.W.0018.000000T0000Z-140703T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HUNTERDON NJ-BUCKS PA-
829 PM EDT WED JUL 2 2014
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR CENTRAL BUCKS AND
SOUTHERN HUNTERDON COUNTIES...
THE HEAVY RAIN THAT PROMPTED THE WARNING HAS ENDED. THEREFORE THE
FLASH FLOOD WARNING HAS BEEN CANCELLED. ADDITIONAL SHOWERS AND
THUNDERSTORMS REMAIN POSSIBLE THROUGH THIS EVENING.
A FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHERN BUCKS COUNTY
LAT...LON 4028 7520 4039 7534 4061 7490 4052 7479
4049 7479
$$
ROBERTSONThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 1:10 PM EDT | Special Weather Statement | PHI | Monroe | 65 min |
| Jul 2, 1:34 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 56 min |
| Jul 2, 1:47 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 58 min |
| Jul 2, 2:45 PM EDT | Special Weather Statement | PHI | Berks | 30 min |
| Jul 2, 2:49 PM EDT | Areal Flood Advisory | PHI | Carbon, Monroe | 4 hr |
| Jul 2, 3:00 PM EDT | Areal Flood Advisory | PHI | Berks | 2 hr |
| Jul 2, 3:24 PM EDT | Special Weather Statement | PHI | Bucks | 66 min |
| Jul 2, 3:25 PM EDT | Special Weather Statement | PHI | Carbon, Monroe | 65 min |
| Jul 2, 3:36 PM EDT | Flash Flood Watch | PHI | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more | 46 hr |
| Jul 2, 3:58 PM EDT | Areal Flood Advisory | PHI | Monroe, Northampton | 4 hr |
| Jul 2, 4:03 PM EDT | Severe Thunderstorm Warning | PHI | Lehigh, Monroe, Northampton | 57 min |
| Jul 2, 4:56 PM EDT | Areal Flood Advisory | PHI | Berks | 2 hr |
| Jul 2, 5:01 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 59 min |
| Jul 2, 5:23 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 67 min |
| Jul 2, 5:31 PM EDT | Flash Flood Warning | PHI | Berks | 4 hr |
| Jul 2, 5:42 PM EDT | Areal Flood Advisory | PHI | Bucks | 3 hr |
| Jul 2, 5:56 PM EDT | Special Weather Statement | PHI | Lehigh, Northampton | 49 min |
| Jul 2, 6:44 PM EDT | Flash Flood Warning | PHI | Berks | 4 hr |
| Jul 2, 6:51 PM EDT | Areal Flood Advisory | PHI | Bucks, Chester, Montgomery | 4 hr |
| Jul 2, 7:00 PM EDT | Special Weather Statement | PHI | Bucks, Chester, Montgomery | 60 min |
| Jul 2, 7:09 PM EDT | Areal Flood Advisory | PHI | Bucks | 4 hr |
| Jul 2, 7:26 PM EDT | Special Weather Statement | PHI | Philadelphia | 64 min |
| Jul 2, 7:32 PM EDT | Special Weather Statement | PHI | Delaware, Montgomery, Philadelphia | 58 min |
| Jul 2, 7:35 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Philadelphia | 55 min |
| Jul 2, 7:48 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 27 min |
| Jul 2, 7:52 PM EDT | Areal Flood Advisory | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 4 hr |
| Jul 2, 3:59 AM EDT | Small Craft Advisory | PHI | 18 hr | |
| Jul 2, 2:48 PM EDT | Special Weather Statement | PHI | Sussex | 42 min |
| Jul 2, 3:30 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 60 min |
| Jul 2, 4:34 PM EDT | Flash Flood Warning | PHI | Sussex | 4 hr |
| Jul 2, 5:01 PM EDT | Areal Flood Advisory | PHI | Morris, Sussex, Warren | 3 hr |
| Jul 2, 5:08 PM EDT | Special Weather Statement | PHI | Hunterdon | 52 min |
| Jul 2, 6:06 PM EDT | Special Weather Statement | PHI | Somerset | 24 min |
| Jul 2, 6:31 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Middlesex, Morris, Somerset | 42 min |
| Jul 2, 7:15 PM EDT | Flash Flood Warning | PHI | Hunterdon, Middlesex, Somerset | 4 hr |
| Jul 2, 7:16 PM EDT | Special Weather Statement | PHI | Middlesex, Somerset | 59 min |
| Jul 2, 7:58 PM EDT | Special Marine Warning | PHI | 62 min |
Nearby
Flash Flood Warnings in Pennsylvania, 2014Flash 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.