Alert archive / New Jersey / Flash Flood Warnings in 2011
Flash Flood Warning 58, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Sep 8, 2011, 4:58 AM EDT for Middlesex County, Monmouth County, Ocean County, New Jersey. It was in force for 3 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 8, 2011, 4:58 AM EDT (08:58 UTC)
- Expired
- Sep 8, 2011, 8:11 AM EDT
- In force
- 3 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
Counties Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ
The radar
The Philadelphia radar (KDIX), 48 km from the middle of the area, began a volume at 09:00 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, 9.0 hours before the alert went out and 142 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
- 4 J/kg
- Mixed-layer CIN
- -94 J/kg
- Mixed-layer LCL
- 439 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 123 m²/s²
- 0-3 km storm-relative helicity
- 176 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
856
WGUS51 KPHI 080858
FFWPHI
NJC023-025-029-081500-
/O.NEW.KPHI.FF.W.0058.110908T0858Z-110908T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
458 AM EDT THU SEP 8 2011
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLASH FLOOD WARNING FOR...
MIDDLESEX COUNTY...
WESTERN MONMOUTH COUNTY...
NORTHWESTERN OCEAN COUNTY...
* UNTIL 1100 AM EDT...
* AT 453 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN MOVING IN FROM THE SOUTH. RAINFALL RATES OF ONE
TO TWO INCHES CAN BE EXPECTED THROUGH THE MORNING HOURS. RAPID
RUNOFF CAN BE EXPECTED RESULTING IN ROADWAY AND POOR DRAINAGE
FLOODING. SMALL STREAMS WILL ALSO RISE QUICKLY.
DO NOT DRIVE THROUGH FLOODED ROADS...THE WATER MAY BE DEEPER THAN
YOU THINK.
LAT...LON 3986 7444 4017 7461 4017 7458 4024 7448
4026 7448 4032 7462 4035 7463 4041 7459
4048 7447 4054 7453 4058 7450 4060 7442
4059 7429 4060 7423 4057 7420 4055 7424
4047 7427 4044 7419 4045 7417
$$
FORECASTER:JJM1 follow-up statement
031
WGUS71 KPHI 081211
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
811 AM EDT THU SEP 8 2011
NJC023-025-029-081221-
/O.CAN.KPHI.FF.W.0058.000000T0000Z-110908T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MIDDLESEX NJ-MONMOUTH NJ-OCEAN NJ-
811 AM EDT THU SEP 8 2011
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR NORTHWESTERN
OCEAN...WESTERN MONMOUTH AND MIDDLESEX COUNTIES...
THE WATERS FROM THE EARLIER HEAVY RAINS ARE RECEDING AND FLOOD WATERS
NO LONGER POSE A THREAT TO LIFE OR PROPERTY. THEREFORE...THE FLASH
FLOOD WARNING HAS BEEN CANCELLED.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO NEW BRUNSWICK
AND PERTH AMBOY.
LAT...LON 3986 7444 4017 7461 4017 7458 4024 7448
4026 7448 4032 7462 4035 7463 4041 7459
4048 7447 4054 7453 4058 7450 4060 7442
4059 7429 4060 7423 4057 7420 4055 7424
4047 7427 4044 7419 4045 7417
$$
KRUZDLOThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 7, 9:42 PM EDT | River Flood Warning | PHI | Morris | 42 hr |
| Sep 7, 11:32 PM EDT | Areal Flood Advisory | PHI | Burlington, Hunterdon, Mercer, Middlesex, Monmouth, Morris and 4 more | 3 hr |
| Sep 8, 1:25 AM EDT | Flash Flood Warning | PHI | Cumberland, Gloucester, Salem | 7 hr |
| Sep 8, 2:26 AM EDT | Flash Flood Warning | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer | 6 hr |
| Sep 8, 3:15 AM EDT | Flash Flood Warning | PHI | Hunterdon, Mercer, Morris, Somerset, Sussex, Warren | 6 hr |
| Sep 8, 4:01 AM EDT | River Flood Warning | PHI | Morris, Somerset | 7 hr |
| Sep 8, 4:01 AM EDT | River Flood Warning | PHI | Bergen, Morris, Passaic | 36 hr |
| Sep 8, 4:01 AM EDT | River Flood Warning | PHI | Somerset | 18 hr |
| Sep 8, 4:01 AM EDT | River Flood Warning | PHI | Middlesex, Somerset | 36 hr |
| Sep 8, 4:01 AM EDT | River Flood Warning | PHI | Mercer | 18 hr |
| Sep 8, 4:01 AM EDT | River Flood Warning | PHI | Burlington | 15 hr |
| Sep 8, 5:30 AM EDT | Coastal Flood Watch | PHI | Burlington, Camden, Gloucester | 6 hr |
| Sep 8, 5:30 AM EDT | Coastal Flood Advisory | PHI | Burlington, Camden, Gloucester | 8 hr |
| Sep 8, 5:30 AM EDT | Coastal Flood Advisory | PHI | Cumberland, Salem | 17 hr |
| Sep 8, 8:36 AM EDT | Areal Flood Warning | PHI | Burlington, Camden, Cumberland, Gloucester, Hunterdon, Mercer and 1 more | 16 hr |
| Sep 8, 9:53 AM EDT | Areal Flood Warning | PHI | Hunterdon, Mercer, Morris, Somerset | 24 hr |
| Sep 8, 9:58 AM EDT | Areal Flood Warning | PHI | Morris | 7 days |
| Sep 8, 11:12 AM EDT | River Flood Warning | PHI | Sussex, Warren | 8 hr |
| Sep 8, 11:42 AM EDT | Coastal Flood Warning | PHI | Burlington, Camden, Gloucester | 15 hr |
| Sep 8, 12:36 PM EDT | Flash Flood Warning | PHI | Cumberland, Salem | 2 hr |
| Sep 8, 1:15 PM EDT | Special Weather Statement | PHI | Cumberland | 60 min |
| Sep 8, 5:08 PM EDT | River Flood Warning | PHI | Morris, Somerset | 16 hr |
Nearby
Flash Flood Warnings in New Jersey, 2011Every flash flood warning in 2011
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.