Alert archive / New Jersey / Areal Flood Warnings in 2011
Areal Flood Warning 28, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this areal flood warning at Jul 8, 2011, 9:54 PM EDT for Camden 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
- Jul 8, 2011, 9:54 PM EDT (01:54 UTC)
- Expired
- Jul 9, 2011, 1:55 AM EDT
- In force
- 4 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
County Camden County, NJ
The radar
The Philadelphia radar (KDIX), 56 km from the middle of the area, began a volume at 01:57 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, 1.9 hours before the alert went out and 213 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
- 1578 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 493 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 35 m²/s²
- 0-3 km storm-relative helicity
- 74 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
109
WGUS41 KPHI 090154
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
954 PM EDT FRI JUL 8 2011
NJC007-090745-
/O.NEW.KPHI.FA.W.0028.110709T0154Z-110709T0745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CAMDEN NJ-
954 PM EDT FRI JUL 8 2011
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLOOD WARNING FOR...
NORTHWESTERN CAMDEN COUNTY IN SOUTHERN NEW JERSEY...
* UNTIL 345 AM EDT
* AT 950 PM EDT ON FRIDAY THE COOPER RIVER AT HADDONFIELD WAS ABOUT
TO REACH ITS FLOOD STAGE OF 2.8 FEET. THE HEAVY RAIN IS OVER
BUT THE MINOR FLOODING IS EXPECTED TO OCCUR ALONG THE RIVER
OVERNIGHT. HIGH TIDE ALONG THE DELAWARE RIVER OCCURRED
EARLIER FRIDAY EVENING AND WE WILL BE MOVING TOWARD LOW TIDE
OVERNIGHT.
A FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR HAS BEEN REPORTED.
STREAM RISES WILL BE SLOW AND FLASH FLOODING IS NOT EXPECTED.
HOWEVER...ALL INTERESTED PARTIES SHOULD TAKE NECESSARY PRECAUTIONS
IMMEDIATELY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO
HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO
FLOODING WHEN WATER BEGINS RISING. DO NOT DRIVE AROUND BARRICADED
ROADWAYS.
&&
LAT...LON 3988 7505 3996 7513 3998 7510 3997 7509
3999 7507 3998 7505 3997 7504 3990 7500
$$
TFG1 follow-up statement
131
WGUS81 KPHI 090555
FLSPHI
FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
155 AM EDT SAT JUL 9 2011
NJC007-090604-
/O.CAN.KPHI.FA.W.0028.000000T0000Z-110709T0745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CAMDEN NJ-
155 AM EDT SAT JUL 9 2011
...THE FLOOD WARNING HAS BEEN CANCELLED FOR NORTHWESTERN CAMDEN
COUNTY...
THE COOPER RIVER HAS RETURNED WITHIN ITS BANKS AT HADDONFIELD. AS A
RESULT, THE FLOOD WARNING HAS BEEN CANCELLED.
LAT...LON 3988 7505 3996 7513 3998 7510 3997 7509
3999 7507 3998 7505 3997 7504 3990 7500
$$
IOVINOThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 9:00 PM EDT | Special Marine Warning | PHI | 60 min |
Nearby
Areal Flood Warnings in New Jersey, 2011Every areal 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.