Alert archive / New Jersey / Special Weather Statements in 2020

Special Weather Statement, NWS Philadelphia/Mount Holly

June 19, 2020Sussex County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Jun 19, 2020, 8:55 PM EDT for Sussex County, New Jersey. It was in force for 35 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jun 19, 2020, 8:55 PM EDT (00:55 UTC)
Expired: Jun 19, 2020, 9:30 PM EDT
In force: 35 min
Issued by: NWS Philadelphia/Mount Holly

County Sussex County, NJ

The radar

The Philadelphia radar (KDIX), 119 km from the middle of the area, began a volume at 00:56 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.

What was reported inside it

Time	Report	Where	Remark
Jun 19, 9:05 PM EDT	TSTM WND DMG	1 Ese Sparta, NJ	DELAYED REPORTS OF TREES AND WIRES DOWN NEAR UNDERROCK ROAD. TIME ESTIMATED FROM RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 0.9 hours before the alert went out and 145 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: 2 J/kg
Mixed-layer CIN: -185 J/kg
Mixed-layer LCL: 1026 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 38 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

517 
WWUS81 KPHI 200055
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
855 PM EDT Fri Jun 19 2020

NJZ001-008-200130-
Morris-Sussex-
855 PM EDT Fri Jun 19 2020

...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN MORRIS AND SOUTH
CENTRAL SUSSEX COUNTIES...

At 855 PM EDT, a strong thunderstorm was located over Hopatcong, or
near Newton, moving northeast at 30 mph.

Wind gusts up to 40 mph and pea size hail are possible with this
storm.

Locations impacted include...
Newton, Hopatcong, Wharton, Mount Arlington, Franklin, Stanhope,
Netcong, Ogdensburg, Branchville, Andover, Lake Mohawk, Succasunna,
Succasunna-Kenvil, Green Pond, Budd Lake and Lake Telemark.

This includes Interstate 80 in New Jersey between mile markers 23 and
34.
 
If outdoors, consider seeking shelter inside a building.

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

LAT...LON 4107 7449 4104 7450 4105 7445 4104 7443
      4103 7443 4103 7442 4082 7468 4090 7479
      4091 7477 4094 7480 4118 7473
TIME...MOT...LOC 0055Z 206DEG 25KT 4096 7470 

$$

Davis

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 20, 12:32 PM EDT	Areal Flood Advisory	PHI	Salem	4 hr
Jun 20, 2:57 PM EDT	Special Weather Statement	PHI	Gloucester	33 min
Jun 20, 3:20 PM EDT	Areal Flood Advisory	PHI	Camden, Gloucester	4 hr
Jun 20, 3:29 PM EDT	Special Weather Statement	PHI	Camden, Gloucester	31 min
Jun 20, 3:34 PM EDT	Flash Flood Warning	PHI	Camden, Gloucester	4 hr
Jun 20, 3:43 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden	32 min
Jun 20, 4:08 PM EDT	Special Weather Statement	PHI	Burlington	37 min
Jun 20, 5:00 PM EDT	Special Weather Statement	PHI	Hunterdon	30 min
Jun 20, 5:27 PM EDT	Special Weather Statement	PHI	Hunterdon	33 min
Jun 20, 5:30 PM EDT	Special Weather Statement	PHI	Union	15 min
Jun 20, 5:53 PM EDT	Areal Flood Advisory	PHI	Hunterdon	3 hr
Jun 20, 5:53 PM EDT	Special Weather Statement	PHI	Morris, Sussex	52 min
Jun 20, 2:19 PM EDT	Areal Flood Advisory	PHI	Chester	2 hr
Jun 20, 4:09 PM EDT	Areal Flood Advisory	PHI	Berks	3 hr
Jun 20, 4:10 PM EDT	Special Weather Statement	PHI	Philadelphia	35 min
Jun 20, 1:27 PM EDT	Special Weather Statement	PHI	Queen Anne's	33 min
Jun 20, 2:00 PM EDT	Special Weather Statement	PHI	Caroline	30 min
Jun 20, 2:35 PM EDT	Special Weather Statement	PHI	Caroline, Queen Anne's	25 min

Nearby

Special Weather Statements in New Jersey, 2020 Every special weather statement 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.