Alert archive / New Jersey / Coastal Flood Advisories in 2016

Coastal Flood Advisory 22, NWS Philadelphia/Mount Holly

September 29, 20168 counties in New Jersey

NWS Philadelphia/Mount Holly issued this coastal flood advisory at Sep 29, 2016, 5:08 AM EDT for 8 counties in New Jersey. It took effect at Sep 29, 2016, 7:00 AM EDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: Sep 29, 2016, 5:08 AM EDT (09:08 UTC)
In effect from: Sep 29, 2016, 7:00 AM EDT
Expired: Sep 29, 2016, 1:22 PM EDT
In force: 6 hr
Issued by: NWS Philadelphia/Mount Holly

Counties Atlantic County, NJ, Burlington County, NJ, Cape May County, NJ, Cumberland County, NJ, Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ, Salem County, NJ

The radar

The Philadelphia radar (KDIX), 33 km from the middle of the area, began a volume at 09:09 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

Wallops Is Stn, VA (KWAL), launched 00:00Z, 9.1 hours before the alert went out and 211 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 712 J/kg
Mixed-layer CIN: -26 J/kg
Mixed-layer LCL: 516 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 102 m²/s²
0-3 km storm-relative helicity: 176 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 2.6

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this coastal 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 coastal flood advisory went out at Sep 29, 3:19 AM EDT, 1 hour 49 minutes earlier.

Area forecast discussion, Sep 29, 3:19 AM EDT, 1 hour 49 minutes before

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Hazardous weather outlook, Sep 29, 3:25 AM EDT, 1 hour 43 minutes before

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In the hours before

Local storm report, Sep 29, 3:55 AM EDT, 1 hour 13 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
355 AM EDT THU SEP 29 2016

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0230 AM     FLOOD            OAK ORCHARD             38.60N  75.17W
09/29/2016                   SUSSEX             DE   911 CALL CENTER

            MINOR STREET FLOODING REPORTED...TIME ESTIMATED FROM
            RADAR

0300 AM     FLOOD            MILTON                  38.78N  75.31W
09/29/2016                   SUSSEX             DE   911 CALL CENTER

            MINOR STREET FLOODING REPORTED...TIME ESTIMATED FROM
            RADAR

&&

EVENT NUMBER PHI1601929
EVENT NUMBER PHI1601930

SFJ

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Sep 29, 10:27 AM EDT	Coastal Flood Warning	PHI	Atlantic, Burlington, Cape May, Cumberland, Ocean	15 hr
Sep 29, 1:22 PM EDT	Coastal Flood Advisory	PHI	Middlesex, Monmouth, Salem	12 hr
Sep 29, 2:45 PM EDT	Wind Advisory	PHI	Atlantic, Burlington, Cape May, Monmouth, Ocean	20 hr
Sep 29, 12:21 AM EDT	Areal Flood Advisory	PHI	Caroline	8 hr
Sep 29, 2:18 AM EDT	Areal Flood Advisory	PHI	Caroline, Cecil, Kent, Queen Anne's	4 hr
Sep 29, 4:28 AM EDT	Flash Flood Warning	PHI	Caroline	5 hr
Sep 29, 6:14 AM EDT	Areal Flood Advisory	PHI	Caroline, Cecil, Kent, Queen Anne's	3 hr
Sep 29, 7:27 PM EDT	Areal Flood Advisory	PHI	Caroline	9 hr

Nearby

Coastal Flood Advisories in New Jersey, 2016 Every coastal flood advisory in 2016

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.