Alert archive / New Jersey / Areal Flood Advisories in 2011
Areal Flood Advisory 184, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this areal flood advisory at Sep 11, 2011, 5:10 PM EDT for Burlington County, Camden County, Ocean County, New Jersey. It was in force for 81 min.
The area
The counties it named.
The facts
- Issued
- Sep 11, 2011, 5:10 PM EDT (21:10 UTC)
- Expired
- Sep 11, 2011, 6:31 PM EDT
- In force
- 81 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Burlington County, NJ, Camden County, NJ, Ocean County, NJ
The radar
The Philadelphia radar (KDIX), 21 km from the middle of the area, began a volume at 21:12 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 12:00Z, 9.2 hours before the alert went out and 187 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1107 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 81 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this areal flood advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Philadelphia/Mount Holly wrote its last area forecast discussion before this areal flood advisory went out at Sep 11, 4:17 PM EDT, 53 minutes earlier.
Area forecast discussion, Sep 11, 4:17 PM EDT, 53 minutes before
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</html>Hazardous weather outlook, Sep 11, 4:19 PM EDT, 51 minutes before
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</html>In the hours before
Special weather statement, Sep 11, 1:54 PM EDT, 3 hours 16 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 154 PM EDT SUN SEP 11 2011 DEZ002-111900- KENT DE- 154 PM EDT SUN SEP 11 2011 ...A STRONG THUNDERSTORM WILL AFFECT PARTS OF KENT COUNTY... AT 152 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 8 MILES SOUTHWEST OF DOVER...MOVING EAST AT 10 MPH. THE THUNDERSTORM WILL BE NEAR WOODSIDE AND CAMDEN AROUND 215 PM...WOODSIDE EAST AND VIOLA AROUND 230 PM...MAGNOLIA AND RIVERVIEW AROUND 245 PM AND FREDERICA AROUND 300 PM. VERY HEAVY RAIN WILL FALL FROM THIS STORM...AND WILL CAUSE WATER TO POND ON ROADS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS. LAT...LON 3918 7543 3893 7544 3900 7572 3921 7572 IOVINO
Special weather statement, Sep 11, 3:09 PM EDT, 2 hours 1 minute before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 309 PM EDT SUN SEP 11 2011 DEZ001-002-NJZ020>023-027-112030- NEW CASTLE-KENT-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY- SOUTHEASTERN BURLINGTON- INCLUDING THE CITIES OF...WILMINGTON...DOVER...JACKSON... MILLVILLE...HAMMONTON...CAPE MAY COURT HOUSE... WHARTON STATE FOREST 309 PM EDT SUN SEP 11 2011 ...SCATTERED SHOWERS AND THUNDERSTORMS WITH HEAVY RAIN... SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE TO AFFECT PARTS OF NORTHERN AND CENTRAL DELAWARE AND SOUTHEASTERN NEW JERSEY THIS AFTERNOON. THE SHOWERS AND THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL, PERHAPS AN INCH OR TWO IN A SHORT PERIOD OF TIME AT SOME LOCATIONS. THE HEAVY RAIN MAY RESULT IN FLOODING OF ROADWAYS AND IN AREAS OF POOR DRAINAGE. IF YOU WILL BE DRIVING IN THE AREA, BE PREPARED FOR REDUCED VISIBILITY DUE TO THE HEAVY RAIN. DO NOT DRIVE YOUR VEHICLE THROUGH FLOOD WATERS. THE WATER MAY BE DEEPER THAN YOU THINK IT IS. YOU WILL BE PUTTING YOURSELF IN DANGER AND YOU MAY DAMAGE YOUR VEHICLE. IOVINO
Special weather statement, Sep 11, 3:52 PM EDT, 1 hour 18 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
352 PM EDT SUN SEP 11 2011
DEZ001-NJZ016-112045-
NEW CASTLE DE-SALEM NJ-
352 PM EDT SUN SEP 11 2011
...A STRONG THUNDERSTORM WILL AFFECT PARTS OF NEW CASTLE AND SALEM
COUNTIES...
AT 350 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR SAINT GEORGES IN DELAWARE...MOVING NORTH AT
15 MPH. THE THUNDERSTORM WILL BE NEAR SALEM AROUND 405 PM...DELAWARE
CITY AROUND 410 PM...BEAR AROUND 420 PM...NEW CASTLE...PENNSVILLE
AND BROOKSIDE AROUND 430 PM AND WILMINGTON MANOR AROUND 435 PM.
VERY HEAVY RAIN WILL FALL FROM THIS STORM...AND WILL CAUSE WATER TO
POND ON ROADS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.
WIND GUSTS TO 35 MPH ARE POSSIBLE WITH THIS STORM.
EXPECT SMALL HAIL AND DANGEROUS CLOUD TO GROUND LIGHTNING.
LAT...LON 3974 7576 3974 7542 3944 7550 3945 7554
3948 7556 3950 7557 3952 7554 3956 7553
3958 7554 3958 7556 3946 7558 3943 7555
3943 7568
IOVINOSpecial weather statement, Sep 11, 4:42 PM EDT, 28 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 442 PM EDT SUN SEP 11 2011 NJZ019-027-112215- NORTHWESTERN BURLINGTON NJ-SOUTHEASTERN BURLINGTON NJ- 442 PM EDT SUN SEP 11 2011 ...SCATTERED SHOWERS AND THUNDERSTORMS WITH HEAVY RAIN... SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE TO AFFECT PARTS OF CENTRAL BURLINGTON COUNTY INTO THE EARLY EVENING. THE SHOWERS AND THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL, PERHAPS AN INCH OR TWO IN A SHORT PERIOD OF TIME AT SOME LOCATIONS. THE HEAVY RAIN MAY RESULT IN FLOODING OF ROADWAYS AND IN AREAS OF POOR DRAINAGE. IF YOU WILL BE DRIVING IN THE AREA, BE PREPARED FOR REDUCED VISIBILITY DUE TO THE HEAVY RAIN. DO NOT DRIVE YOUR VEHICLE THROUGH FLOOD WATERS. THE WATER MAY BE DEEPER THAN YOU THINK IT IS. YOU WILL BE PUTTING YOURSELF IN DANGER AND YOU MAY DAMAGE YOUR VEHICLE. IOVINO
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 11, 4:01 AM EDT | Coastal Flood Advisory | PHI | Burlington, Camden, Gloucester | 12 hr |
| Sep 11, 4:14 PM EDT | Areal Flood Advisory | PHI | Atlantic, Burlington, Cumberland, Ocean | 2 hr |
| Sep 11, 7:30 PM EDT | Coastal Flood Advisory | PHI | Burlington, Camden, Gloucester | 10 hr |
| Sep 11, 2:00 AM EDT | Areal Flood Advisory | PHI | Carbon, Monroe | 3 hr |
| Sep 11, 7:55 PM EDT | Areal Flood Advisory | PHI | Berks | 3 hr |
Nearby
Areal Flood Advisories in New Jersey, 2011Every areal flood advisory 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.