Alert archive / New Jersey / Special Weather Statements in 2017

Special Weather Statement, NWS Philadelphia/Mount Holly

August 3, 2017Morris County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Aug 3, 2017, 7:47 PM EDT for Morris County, New Jersey. It was in force for 43 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
Aug 3, 2017, 7:47 PM EDT (23:47 UTC)
Expired
Aug 3, 2017, 8:30 PM EDT
In force
43 min
Issued by
NWS Philadelphia/Mount Holly

County Morris County, NJ

The radar

The Philadelphia radar (KDIX), 104 km from the middle of the area, began a volume at 23:47 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, 11.8 hours before the alert went out and 153 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 2017-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 207 joules per kilogram.LCLLFCEL10008507005003002001001 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 2017-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 square meters per square second.1939Sfc1 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
207 J/kg
Mixed-layer CIN
-75 J/kg
Mixed-layer LCL
895 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
54 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

126 
WWUS81 KPHI 032347
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
747 PM EDT THU AUG 3 2017

NJZ001-007-008-040030-
Morris-Sussex-Warren-
747 PM EDT THU AUG 3 2017

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

At 746 PM EDT, a strong thunderstorm was located near Budd Lake, or
12 miles west of Morristown, moving northeast at 5 mph.

Winds up to 50 mph and dime size hail are possible with this storm.

Locations impacted include...
Dover, Hopatcong, Hackettstown, Wharton, Rockaway, Mount Arlington,
Mendham, Stanhope, Netcong, Peapack And Gladstone, Chester, Victory
Gardens, Andover, Succasunna, Succasunna-Kenvil, Long Valley, Budd
Lake, Beatyestown, Allamuchy-Panther Valley and Lake Mohawk.

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

LAT...LON 4104 7477 4093 7445 4074 7462 4074 7463
      4073 7468 4080 7486
TIME...MOT...LOC 2346Z 205DEG 6KT 4083 7471 

$$

CMS

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 3, 2:47 PM EDTSpecial Marine WarningPHI58 min
Aug 3, 3:35 PM EDTSpecial Marine WarningPHI85 min
Aug 3, 4:44 PM EDTSpecial Weather StatementPHIMercer31 min
Aug 3, 4:47 PM EDTSpecial Marine WarningPHI88 min
Aug 3, 4:51 PM EDTSpecial Weather StatementPHISalem24 min
Aug 3, 5:07 PM EDTSevere Thunderstorm WarningPHIBurlington, Mercer, Monmouth, Ocean38 min
Aug 3, 5:17 PM EDTFlash Flood WarningPHIBurlington, Mercer4 hr
Aug 3, 5:42 PM EDTSevere Thunderstorm WarningPHIBurlington, Mercer48 min
Aug 3, 5:54 PM EDTSpecial Weather StatementPHISomerset36 min
Aug 3, 6:06 PM EDTSevere Thunderstorm WarningPHIBurlington39 min
Aug 3, 6:38 PM EDTAreal Flood AdvisoryPHIBurlington, Camden4 hr
Aug 3, 6:50 PM EDTSpecial Weather StatementPHIMercer55 min
Aug 3, 6:54 PM EDTSpecial Weather StatementPHIHunterdon66 min
Aug 3, 7:25 PM EDTAreal Flood AdvisoryPHIHunterdon, Mercer4 hr
Aug 3, 7:34 PM EDTSpecial Weather StatementPHIHunterdon, Mercer41 min
Aug 3, 3:31 PM EDTSpecial Weather StatementPHIBucks, Philadelphia44 min
Aug 3, 5:57 PM EDTSpecial Weather StatementPHIDelaware33 min
Aug 3, 6:15 PM EDTSpecial Weather StatementPHIPhiladelphia30 min
Aug 3, 6:34 PM EDTSpecial Weather StatementPHILehigh41 min
Aug 3, 7:16 PM EDTSpecial Weather StatementPHILehigh44 min
Aug 3, 7:37 PM EDTSpecial Weather StatementPHILehigh38 min
Aug 2, 8:38 PM EDTSpecial Weather StatementPHIKent37 min
Aug 2, 9:12 PM EDTSevere Thunderstorm WarningPHICaroline, Kent, Queen Anne's34 min
Aug 3, 5:33 PM EDTAreal Flood AdvisoryPHICaroline4 hr
Aug 3, 1:54 PM EDTSpecial Weather StatementPHISussex21 min
Aug 3, 2:12 PM EDTSpecial Weather StatementPHISussex33 min
Aug 3, 2:15 PM EDTSevere Thunderstorm WarningPHISussex45 min
Aug 3, 2:26 PM EDTSpecial Weather StatementPHISussex49 min
Aug 3, 2:59 PM EDTSpecial Weather StatementPHIKent, Sussex46 min
Aug 3, 3:46 PM EDTAreal Flood AdvisoryPHIKent, Sussex4 hr
Aug 3, 4:17 PM EDTFlash Flood WarningPHIKent, Sussex4 hr
Aug 3, 5:01 PM EDTSpecial Weather StatementPHIKent29 min
Aug 3, 5:20 PM EDTSpecial Weather StatementPHISussex25 min
Aug 3, 5:49 PM EDTAreal Flood AdvisoryPHISussex4 hr
Aug 3, 6:12 PM EDTAreal Flood AdvisoryPHISussex3 hr
Aug 3, 6:31 PM EDTSpecial Weather StatementPHISussex29 min
Aug 3, 7:02 PM EDTFlash Flood WarningPHISussex3 hr

Nearby

Special Weather Statements in New Jersey, 2017Every 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.