Alert archive / New Jersey / Special Weather Statements in 2021

Special Weather Statement, NWS Philadelphia/Mount Holly

June 14, 2021Sussex County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Jun 14, 2021, 6:24 PM EDT for Sussex County, New Jersey. It was in force for 36 min. 2 reports 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 14, 2021, 6:24 PM EDT (22:24 UTC)
Expired
Jun 14, 2021, 7:00 PM EDT
In force
36 min
Issued by
NWS Philadelphia/Mount Holly

County Sussex County, NJ

What was reported inside it

TimeReportWhereRemark
Jun 14, 6:35 PM EDTTSTM WND DMG1 S Andover, NJDOWNED TREES AND WIRES NEAR TRANQUILITY ROAD. TIME ESTIMATED FROM RADAR.
Jun 14, 6:50 PM EDTTSTM WND DMGFranklin, NJREPORT OF WIRES DOWN NEAR FRANKLIN. 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 12:00Z, 10.4 hours before the alert went out and 155 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-pSkew-T log-p diagram, Brookhaven, NY at 12:00Z on 2021-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2021-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
687 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
88 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

761 
WWUS81 KPHI 142224
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
624 PM EDT Mon Jun 14 2021

NJZ001-008-142300-
Morris-Sussex-
624 PM EDT Mon Jun 14 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT NORTHWESTERN MORRIS AND
SUSSEX COUNTIES...

At 624 PM EDT, radar indicated strong thunderstorms were located
along a line extending from near Montague to Flatbrookville to
Greendell. Movement was east at 30 mph.

Wind gusts up to 40 mph are possible with these storms.

Locations impacted include...
Newton, Montague, Hopatcong, Wharton, Mount Arlington, Franklin,
Stanhope, Hamburg, Netcong, Ogdensburg, Sussex, Branchville, Andover,
Flatbrookville, High Point, Lake Mohawk, Greendell, Vernon Valley,
Five Points and Green Pond.

This includes Interstate 80 in New Jersey between mile markers 23 and
25, and near mile marker 33.
 
If outdoors, consider seeking shelter inside a building.

LAT...LON 4120 7436 4109 7450 4108 7449 4104 7450
      4105 7445 4091 7456 4090 7479 4091 7477
      4107 7494 4110 7497 4109 7499 4118 7488
      4129 7483 4135 7475 4136 7470
TIME...MOT...LOC 2224Z 259DEG 24KT 4128 7475 4109 7493 4098 7484 

$$

Staarmann

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 5:53 PM EDTSpecial Weather StatementPHISussex37 min
Jun 14, 6:33 PM EDTSpecial Weather StatementPHIMiddlesex, Monmouth27 min
Jun 14, 6:48 PM EDTSevere Thunderstorm WarningPHIMorris, Somerset, Sussex42 min
Jun 14, 7:02 PM EDTSevere Thunderstorm WarningPHIMercer, Middlesex, Monmouth43 min
Jun 14, 7:14 PM EDTAreal Flood AdvisoryPHIMiddlesex, Monmouth2 hr
Jun 14, 7:55 PM EDTSevere Thunderstorm WarningPHIMiddlesex, Morris, Somerset32 min
Jun 14, 4:15 PM EDTSevere Thunderstorm WarningPHIBerks, Carbon, Lehigh, Monroe, Northampton60 min
Jun 14, 5:29 PM EDTSpecial Weather StatementPHIMonroe31 min
Jun 14, 7:55 PM EDTSevere Thunderstorm WarningPHIBucks, Chester, Delaware, Montgomery, Philadelphia50 min

Nearby

Special Weather Statements in New Jersey, 2021Every special weather statement in 2021

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.