Alert archive / New Jersey / Coastal Flood Advisories in 2020
Coastal Flood Advisory 18, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this coastal flood advisory at Jul 4, 2020, 3:52 AM EDT for Atlantic County, Cape May County, Cumberland County, New Jersey; Kent County, Sussex County, Delaware. It took effect at Jul 4, 2020, 7:00 PM EDT. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Jul 4, 2020, 3:52 AM EDT (07:52 UTC)
- In effect from
- Jul 4, 2020, 7:00 PM EDT
- Expired
- Jul 5, 2020, 12:00 AM EDT
- In force
- 5 hr
- Issued by
- NWS Philadelphia/Mount Holly
Counties Kent County, DE, Sussex County, DE, Atlantic County, NJ, Cape May County, NJ, Cumberland County, NJ
The radar
The Dover AFB radar (KDOX), 46 km from the middle of the area, began a volume at 07:52 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, 7.9 hours before the alert went out and 136 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
- 373 J/kg
- Mixed-layer CIN
- -54 J/kg
- Mixed-layer LCL
- 1952 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 52 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
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 Jul 4, 3:15 AM EDT, 37 minutes earlier.
Area forecast discussion, Jul 4, 3:15 AM EDT, 37 minutes before
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</html>Hazardous weather outlook, Jul 4, 3:52 AM EDT, 0 minutes before
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</html>In the hours before
Local storm report, Jul 3, 9:54 PM EDT, 5 hours 58 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
954 PM EDT FRI JUL 3 2020
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0640 PM TSTM WND DMG HAMBURG 40.56N 75.98W
07/03/2020 BERKS PA 911 CALL CENTER
A COUPLE OF TREES DOWNED IN HAMBURG. TIME
ESTIMATED FROM RADAR.
0642 PM TSTM WND DMG GLENWOOD 41.25N 74.48W
07/03/2020 SUSSEX NJ FIRE DEPT/RESCUE
WIRES DOWN ON MCAFEE GLENWOOD RD IN
GLENWOOD. TIME ESTIMATED FROM RADAR.
0643 PM TSTM WND DMG GLENWOOD 41.25N 74.49W
07/03/2020 SUSSEX NJ FIRE DEPT/RESCUE
WIRES DOWN ON GLENWOOD RD IN VERNON VALLEY.
TIME ESTIMATED FROM RADAR.
0649 PM TSTM WND DMG 1 NE SUSSEX 41.22N 74.59W
07/03/2020 SUSSEX NJ DEPT OF HIGHWAYS
DOWNED TREE ON NJ-284 SOUTHBOUND NEAR LAYTON
RD. LANE RESTRICTIONS WERE PUT IN PLACE.
TIME ESTIMATED FROM RADAR.
0653 PM TSTM WND DMG 2 NNE HAMBURG 41.18N 74.56W
07/03/2020 SUSSEX NJ FIRE DEPT/RESCUE
TREES AND WIRES DOWN ON VALLEY VIEW DR. TIME
ESTIMATED FROM RADAR.
0705 PM TSTM WND DMG HEIDELBERG TWP 40.36N 76.17W
07/03/2020 BERKS PA 911 CALL CENTER
SEVERAL REPORTS OF DOWNED TREES AND WIRES IN
HEIDELBERG. TIME ESTIMATED FROM RADAR.
0707 PM TSTM WND DMG ROBESONIA 40.36N 76.14W
07/03/2020 BERKS PA PUBLIC
AN MPING REPORT OF TREES UPROOTED OR
SNAPPED. FIRE AND EMS SCANNER TRAFFIC ALSO
REPORTS DOWNED TREES IN THIS AREA. TIME
ESTIMATED FROM RADAR.
0708 PM TSTM WND DMG ROBESONIA 40.35N 76.13W
07/03/2020 BERKS PA 911 CALL CENTER
SEVERAL REPORTS OF DOWNED TREES AND WIRES
ACROSS ROBESONIA. TIME ESTIMATED FROM RADAR.
0730 PM TSTM WND DMG MONTVILLE 40.91N 74.38W
07/03/2020 MORRIS NJ FIRE DEPT/RESCUE
WIRES DOWNED IN MONTVILLE. TIME ESTIMATED
FROM RADAR.
0732 PM TSTM WND DMG BOONTON 40.90N 74.41W
07/03/2020 MORRIS NJ FIRE DEPT/RESCUE
SEVERAL REPORTS OF DOWNED TREES AND WIRES IN
BOONTON. TIME ESTIMATED FROM RADAR.
0732 PM TSTM WND DMG MOUNTAIN LAKES 40.88N 74.46W
07/03/2020 MORRIS NJ DEPT OF HIGHWAYS
DOWNED TREE AND WIRES ON US-46 WESTBOUND AT
CR-618. TIME ESTIMATED FROM RADAR.
0740 PM TSTM WND DMG PINE BROOK 40.86N 74.34W
07/03/2020 MORRIS NJ FIRE DEPT/RESCUE
WIRES DOWNED IN PINE BROOK. TIME ESTIMATED
FROM RADAR.
0742 PM TSTM WND DMG HANOVER TWP 40.83N 74.37W
07/03/2020 MORRIS NJ FIRE DEPT/RESCUE
WIRES DOWNED IN HANOVER. TIME ESTIMATED FROM
RADAR.
0746 PM TSTM WND DMG MORRIS PLAINS 40.83N 74.48W
07/03/2020 MORRIS NJ FIRE DEPT/RESCUE
NUMEROUS TREES AND WIRES DOWNED IN MORRIS
PLAINS. TIME ESTIMATED FROM RADAR.
0749 PM TSTM WND DMG 2 ENE MORRIS TWP 40.79N 74.43W
07/03/2020 MORRIS NJ FIRE DEPT/RESCUE
A TREE WAS DOWNED ONTO A HOUSE ON COLUMBIA
RD NEAR MORRISTOWN. TIME ESTIMATED FROM
RADAR.
0750 PM TSTM WND DMG FLORHAM PARK 40.79N 74.40W
07/03/2020 MORRIS NJ FIRE DEPT/RESCUE
WIRES DOWN IN FLORHAM PARK. TIME ESTIMATED
FROM RADAR.
0750 PM TSTM WND DMG MORRISTOWN 40.79N 74.48W
07/03/2020 MORRIS NJ FIRE DEPT/RESCUE
TREE DOWNED ONTO WIRES ON GREEN ST. TIME
ESTIMATED FROM RADAR.
0752 PM TSTM WND DMG 2 ENE MORRIS TWP 40.79N 74.44W
07/03/2020 MORRIS NJ FIRE DEPT/RESCUE
A TREE FELL ONTO A HOUSE ON FILMORE DR. TIME
ESTIMATED FROM RADAR.
0752 PM TSTM WND DMG 1 SE MORRIS TWP 40.78N 74.46W
07/03/2020 MORRIS NJ FIRE DEPT/RESCUE
TREE DOWN ON WOODLAND AVE. TIME ESTIMATED
FROM RADAR.
0753 PM TSTM WND DMG MADISON 40.76N 74.42W
07/03/2020 MORRIS NJ FIRE DEPT/RESCUE
POWER LINES DOWNED IN MADISON. TIME
ESTIMATED FROM RADAR.
0815 PM LIGHTNING 1 W GREEN POND 41.02N 74.50W
07/03/2020 MORRIS NJ TRAINED SPOTTER
LIGHTNING STRUCK A HOUSE ON HORSESHOE DR.
0825 PM TSTM WND DMG SOUTH PLAINFIELD 40.59N 74.42W
07/03/2020 MIDDLESEX NJ FIRE DEPT/RESCUE
WIRES DOWN IN SOUTH PLAINFIELD. TIME
ESTIMATED FROM RADAR.
0826 PM TSTM WND DMG 1 E SOUTH PLAINFIELD 40.59N 74.39W
07/03/2020 MIDDLESEX NJ FIRE DEPT/RESCUE
TREE LIMBS DOWN ONTO WIRES ON WOODLAND AVE
IN S PLAINFIELD. TIME ESTIMATED FROM RADAR.
&&
JEOLocal storm report, Jul 3, 10:21 PM EDT, 5 hours 31 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1021 PM EDT FRI JUL 3 2020
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0757 PM TSTM WND DMG 2 N BYRAM 40.45N 75.07W
07/03/2020 HUNTERDON NJ DEPT OF HIGHWAYS
DOWNED TREE ON STATE HIGHWAY 29 SOUTHBOUND
SOUTH OF KINGWOOD STATION-BARBERTOWN ROAD.
ALL LANES CLOSED. TIME ESTIMATED FROM RADAR.
&&
CMSSpecial weather statement, Jul 3, 10:59 PM EDT, 4 hours 53 minutes before
Special Weather Statement National Weather Service Mount Holly NJ 1059 PM EDT Fri Jul 3 2020 NJZ016-021-040345- Salem-Cumberland- 1059 PM EDT Fri Jul 3 2020 ...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN CUMBERLAND AND SOUTHWESTERN SALEM COUNTIES... At 1059 PM EDT, a strong thunderstorm was located over Quinton, or 13 miles northwest of Bridgeton, moving southeast at 20 mph. Wind gusts up to 40 mph and pea size hail are possible with this storm. Locations impacted include... Bridgeton, Salem, Alloway, Quinton, Greenwich, Shiloh, Hancocks Bridge, Newport Meadows, Fairton and Cedarville. If outdoors, consider seeking shelter inside a building. LAT...LON 3963 7540 3937 7511 3927 7539 3955 7555 TIME...MOT...LOC 0259Z 329DEG 19KT 3954 7544 Staarmann
Local storm report, Jul 3, 11:13 PM EDT, 4 hours 39 minutes before
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</html>The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 3, 8:08 PM EDT | Special Weather Statement | PHI | Hunterdon, Mercer | 37 min |
| Jul 3, 8:13 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Hunterdon, Mercer, Middlesex | 24 min |
| Jul 3, 8:19 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex, Monmouth | 41 min |
| Jul 3, 8:44 PM EDT | Special Weather Statement | PHI | Mercer | 31 min |
| Jul 3, 8:54 PM EDT | Special Marine Warning | PHI | 66 min | |
| Jul 3, 8:59 PM EDT | Special Weather Statement | PHI | Burlington | 31 min |
| Jul 3, 9:03 PM EDT | Areal Flood Advisory | PHI | Hunterdon, Mercer, Middlesex, Monmouth, Somerset | 4 hr |
| Jul 3, 9:05 PM EDT | Special Weather Statement | PHI | Monmouth | 25 min |
| Jul 3, 9:23 PM EDT | Special Weather Statement | PHI | Burlington, Camden | 52 min |
| Jul 3, 9:45 PM EDT | Special Weather Statement | PHI | Atlantic, Burlington, Ocean | 60 min |
| Jul 3, 9:47 PM EDT | Special Marine Warning | PHI | 88 min | |
| Jul 3, 10:51 PM EDT | Special Marine Warning | PHI | 64 min | |
| Jul 3, 10:59 PM EDT | Special Weather Statement | PHI | Salem | 46 min |
| Jul 3, 11:12 PM EDT | Special Marine Warning | PHI | 60 min |
Nearby
Coastal Flood Advisories in New Jersey, 2020Coastal Flood Advisories in Delaware, 2020Every coastal flood advisory in 2020
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.