Alert archive / New Jersey / Special Weather Statements in 2018

Special Weather Statement, NWS Philadelphia/Mount Holly

July 6, 2018Atlantic County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Jul 6, 2018, 8:13 AM EDT for Atlantic County, New Jersey. It was in force for 47 min. 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 6, 2018, 8:13 AM EDT (12:13 UTC)
Expired: Jul 6, 2018, 9:00 AM EDT
In force: 47 min
Issued by: NWS Philadelphia/Mount Holly

County Atlantic County, NJ

The radar

The Philadelphia radar (KDIX), 41 km from the middle of the area, began a volume at 12:13 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, 0.2 hours before the alert went out and 197 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: 1490 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 543 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 125 m²/s²
0-3 km storm-relative helicity: 140 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

379 
WWUS81 KPHI 061213
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
813 AM EDT FRI JUL 6 2018

NJZ020-022-026-027-061300-
Coastal Ocean-Ocean-Atlantic-Southeastern Burlington-
813 AM EDT FRI JUL 6 2018

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN ATLANTIC...SOUTH
CENTRAL OCEAN AND SOUTHEASTERN BURLINGTON COUNTIES...

At 813 AM EDT, a strong thunderstorm was located over Batsto, or 19
miles northeast of Vineland, moving east at 25 mph.

Winds up to 40 mph are possible with this storm.

Locations impacted include...
Hammonton, Egg Harbor City, Tuckerton, Port Republic, Warren Grove,
Bass River State Forest, Batsto, Elwood-Magnolia, New Gretna, Penn
State Forest, Wading River and Mystic Island.

Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

LAT...LON 3954 7439 3956 7441 3953 7441 3951 7445
      3949 7476 3965 7483 3968 7479 3979 7438
      3960 7430 3957 7434 3955 7432 3956 7429
      3954 7429
TIME...MOT...LOC 1213Z 252DEG 22KT 3962 7468 

$$

Robertson

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 6, 3:25 AM EDT	Small Craft Advisory	PHI		60 hr
Jul 6, 4:39 AM EDT	Areal Flood Advisory	PHI	Hunterdon, Mercer, Middlesex, Morris, Somerset	4 hr
Jul 6, 5:37 AM EDT	Areal Flood Advisory	PHI	Burlington, Camden, Gloucester, Mercer, Monmouth, Ocean	4 hr
Jul 6, 6:40 AM EDT	Areal Flood Advisory	PHI	Monmouth, Ocean	4 hr
Jul 6, 7:01 AM EDT	Flash Flood Warning	PHI	Burlington, Mercer, Middlesex, Monmouth	4 hr
Jul 6, 7:13 AM EDT	Special Weather Statement	PHI	Burlington, Ocean	32 min
Jul 6, 7:19 AM EDT	Special Weather Statement	PHI	Mercer, Middlesex	26 min
Jul 6, 7:38 AM EDT	Special Weather Statement	PHI	Ocean	52 min
Jul 6, 7:50 AM EDT	Special Weather Statement	PHI	Monmouth	25 min
Jul 6, 7:52 AM EDT	Special Weather Statement	PHI	Atlantic	23 min
Jul 6, 8:23 AM EDT	Flash Flood Warning	PHI	Burlington, Monmouth, Ocean	4 hr
Jul 6, 9:03 AM EDT	Special Weather Statement	PHI	Atlantic	27 min
Jul 6, 9:06 AM EDT	Special Marine Warning	PHI		54 min
Jul 6, 9:24 AM EDT	Areal Flood Advisory	PHI	Burlington, Camden	2 hr
Jul 6, 9:25 AM EDT	Special Weather Statement	PHI	Atlantic	20 min
Jul 6, 9:50 AM EDT	Special Marine Warning	PHI		40 min
Jul 6, 10:40 AM EDT	Special Marine Warning	PHI		65 min
Jul 6, 11:39 AM EDT	Special Marine Warning	PHI		66 min
Jul 6, 12:30 PM EDT	Special Weather Statement	PHI	Ocean	30 min
Jul 6, 12:42 PM EDT	Special Weather Statement	PHI	Atlantic	33 min
Jul 6, 12:46 PM EDT	Special Marine Warning	PHI		59 min
Jul 6, 12:59 PM EDT	Areal Flood Advisory	PHI	Atlantic, Burlington, Cape May, Ocean	3 hr
Jul 6, 12:59 PM EDT	Special Weather Statement	PHI	Ocean	46 min
Jul 6, 1:01 PM EDT	Special Marine Warning	PHI		59 min
Jul 6, 1:07 PM EDT	Special Weather Statement	PHI	Atlantic	23 min
Jul 6, 1:24 PM EDT	Areal Flood Advisory	PHI	Ocean	2 hr
Jul 6, 1:35 PM EDT	Special Weather Statement	PHI	Atlantic	40 min
Jul 6, 1:43 PM EDT	Special Marine Warning	PHI		62 min
Jul 6, 3:48 PM EDT	Small Craft Advisory	PHI		32 hr
Jul 6, 3:06 AM EDT	Special Weather Statement	PHI	Berks	54 min
Jul 6, 3:46 AM EDT	Areal Flood Advisory	PHI	Berks, Bucks, Chester, Montgomery	5 hr
Jul 6, 10:29 AM EDT	Special Weather Statement	PHI	Sussex	31 min
Jul 6, 10:52 AM EDT	Areal Flood Advisory	PHI	Sussex	4 hr
Jul 6, 10:56 AM EDT	Special Weather Statement	PHI	Sussex	64 min
Jul 6, 12:01 PM EDT	Special Weather Statement	PHI	Sussex	44 min
Jul 6, 1:11 PM EDT	Special Weather Statement	PHI	Sussex	34 min
Jul 6, 3:11 PM EDT	Special Weather Statement	PHI	Sussex	34 min
Jul 6, 9:52 AM EDT	Special Weather Statement	PHI	Caroline	23 min

Nearby

Special Weather Statements in New Jersey, 2018 Every special weather statement in 2018

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.