Alert archive / New Jersey / Flash Flood Warnings in 2004
Flash Flood Warning 86, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Sep 18, 2004, 7:37 AM EDT for Morris 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
- Sep 18, 2004, 7:37 AM EDT (11:37 UTC)
- Expired
- Sep 18, 2004, 11:30 AM EDT
- In force
- 4 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Counties, with a storm outline in the text
County Morris County, NJ
The radar
The Philadelphia radar (KDIX), 100 km from the middle of the area, began a volume at 11:38 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, 11.6 hours before the alert went out and 146 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 678 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 130 m²/s²
- 0-3 km storm-relative helicity
- 180 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS51 KPHI 181137
FFWPHI
NJC027-181530-
/X.NEW.KPHI.FF.W.0006.040918T1137Z-040918T1530Z/
/0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
737 AM EDT SAT SEP 18 2004
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLASH FLOOD WARNING FOR...
MORRIS COUNTY IN NORTHERN NEW JERSEY
* UNTIL 1130 AM EDT
* AT 733 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
BETWEEN 2 AND 3 INCHES OF RAIN DURING THE PAST FEW HOURS WITH MORE
RAIN ON THE WAY.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
SUCCASUNNA...PARSIPPANY...MORRISTOWN...LAKE TELEMARK...DOVER...
CHESTER AND BOONTON.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.
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. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.
LAT...LON 4079 7480 4074 7464 4072 7446 4095 7433
4102 7454
$$
JJMThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 18, 6:09 AM EDT | Flash Flood Warning | PHI | Warren | 4 hr |
| Sep 18, 6:22 AM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Warren | 38 min |
| Sep 18, 6:46 AM EDT | Flash Flood Warning | PHI | Sussex | 3 hr |
| Sep 18, 7:04 AM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Warren | 86 min |
| Sep 18, 7:07 AM EDT | Flash Flood Warning | PHI | Hunterdon | 4 hr |
| Sep 18, 9:48 AM EDT | Flash Flood Warning | PHI | Sussex, Warren | 4 hr |
Nearby
Flash Flood Warnings in New Jersey, 2004Every flash flood warning in 2004
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.