Alert archive / New Jersey / Special Weather Statements in 2017

Special Weather Statement, NWS Philadelphia/Mount Holly

July 1, 2017Sussex County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Jul 1, 2017, 5:29 PM EDT for Sussex County, New Jersey. It was in force for 31 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 1, 2017, 5:29 PM EDT (21:29 UTC)
Expired: Jul 1, 2017, 6:00 PM EDT
In force: 31 min
Issued by: NWS Philadelphia/Mount Holly

County Sussex County, NJ

The radar

The Philadelphia radar (KDIX), 121 km from the middle of the area, began a volume at 21:29 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, 9.5 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.

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: 361 J/kg
Mixed-layer CIN: -56 J/kg
Mixed-layer LCL: 752 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 98 m²/s²
0-3 km storm-relative helicity: 104 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.0

Open this sounding in Storm Lab

The text

As transmitted.

504 
WWUS81 KPHI 012129
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
529 PM EDT SAT JUL 1 2017

NJZ001-007-008-012200-
Morris-Sussex-Warren-
529 PM EDT SAT JUL 1 2017

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN MORRIS...SOUTHERN
SUSSEX AND NORTHEASTERN WARREN COUNTIES...

At 529 PM EDT, a strong thunderstorm was located near Hope, or 10
miles southwest of Newton, moving northeast at 30 mph.

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

Locations impacted include...
Newton, Dover, Hopatcong, Kinnelon, Hackettstown, Boonton, Butler,
Wharton, Rockaway, Blairstown, Mount Arlington, Franklin, Stanhope,
Riverdale, Hamburg, Netcong, Ogdensburg, Hope, Andover and Lake
Mohawk.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

LAT...LON 4120 7437 4110 7449 4104 7450 4105 7445
      4102 7443 4103 7442 4102 7439 4100 7430
      4097 7428 4094 7428 4093 7429 4083 7494
      4099 7504 4124 7445
TIME...MOT...LOC 2129Z 245DEG 27KT 4094 7491 

$$

SFJ

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 30, 9:48 PM EDT	Special Weather Statement	PHI	Middlesex	42 min
Jun 30, 9:55 PM EDT	Special Weather Statement	PHI	Middlesex	20 min
Jun 30, 10:32 PM EDT	Special Weather Statement	PHI	Middlesex	28 min
Jul 1, 9:48 AM EDT	Marine Dense Fog Advisory	PHI		5 hr
Jul 1, 4:24 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Warren	51 min
Jul 1, 5:00 PM EDT	Areal Flood Advisory	PHI	Hunterdon, Warren	4 hr
Jul 1, 5:01 PM EDT	Severe Thunderstorm Warning	PHI	Camden, Gloucester, Salem	44 min
Jul 1, 5:08 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Mercer, Morris, Somerset, Warren	52 min
Jul 1, 5:10 PM EDT	Special Marine Warning	PHI		95 min
Jul 1, 5:30 PM EDT	Areal Flood Advisory	PHI	Burlington, Camden, Gloucester	4 hr
Jul 1, 5:35 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Gloucester, Mercer, Salem	40 min
Jul 1, 5:41 PM EDT	Special Weather Statement	PHI	Atlantic, Cape May, Cumberland, Salem	34 min
Jul 1, 5:50 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Mercer, Middlesex, Morris, Somerset, Sussex and 1 more	40 min
Jul 1, 6:07 PM EDT	Special Weather Statement	PHI	Burlington, Camden, Gloucester, Mercer	23 min
Jul 1, 6:17 PM EDT	Areal Flood Advisory	PHI	Hunterdon, Morris, Somerset, Sussex, Warren	4 hr
Jul 1, 6:22 PM EDT	Special Weather Statement	PHI	Middlesex, Monmouth, Morris	23 min
Jul 1, 6:33 PM EDT	Special Weather Statement	PHI	Burlington, Camden, Cumberland, Gloucester	27 min
Jul 1, 6:59 PM EDT	Special Marine Warning	PHI		61 min
Jul 1, 7:01 PM EDT	Special Weather Statement	PHI	Atlantic, Burlington, Ocean	29 min
Jun 30, 8:09 PM EDT	Special Weather Statement	PHI	Montgomery	51 min
Jun 30, 8:32 PM EDT	Areal Flood Advisory	PHI	Berks, Bucks, Lehigh, Montgomery	118 min
Jun 30, 9:17 PM EDT	Special Weather Statement	PHI	Bucks	43 min
Jul 1, 2:38 PM EDT	Special Weather Statement	PHI	Berks	52 min
Jul 1, 3:22 PM EDT	Special Weather Statement	PHI	Berks, Carbon	23 min
Jul 1, 3:24 PM EDT	Areal Flood Advisory	PHI	Berks, Lehigh	3 hr
Jul 1, 3:41 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Lehigh, Northampton	49 min
Jul 1, 4:05 PM EDT	Special Weather Statement	PHI	Chester	40 min
Jul 1, 4:20 PM EDT	Flash Flood Warning	PHI	Berks, Lehigh	4 hr
Jul 1, 4:12 PM EDT	Special Weather Statement	PHI	Cecil, Kent, Queen Anne's, Talbot	33 min
Jul 1, 4:38 PM EDT	Severe Thunderstorm Warning	PHI	Cecil, Kent, Queen Anne's	67 min
Jul 1, 5:03 PM EDT	Special Weather Statement	PHI	Queen Anne's, Talbot	27 min
Jul 1, 5:20 PM EDT	Areal Flood Advisory	PHI	Cecil, Kent, Queen Anne's	4 hr
Jul 1, 5:39 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Queen Anne's, Talbot	51 min
Jul 1, 6:27 PM EDT	Special Weather Statement	PHI	Kent	33 min

Nearby

Special Weather Statements in New Jersey, 2017 Every special weather statement in 2017

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.