Alert archive / New Jersey / Special Weather Statements in 2012

Special Weather Statement, NWS Philadelphia/Mount Holly

June 10, 2012Morris County, Sussex County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Jun 10, 2012, 5:15 PM EDT for Morris County, Sussex County, New Jersey. It was in force for 60 min. 6 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 10, 2012, 5:15 PM EDT (21:15 UTC)
Expired
Jun 10, 2012, 6:15 PM EDT
In force
60 min
Issued by
NWS Philadelphia/Mount Holly

Counties Morris County, NJ, Sussex County, NJ

The radar

The Philadelphia radar (KDIX), 106 km from the middle of the area, began a volume at 21:16 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

TimeReportWhereRemark
Jun 10, 5:29 PM EDTTSTM WND DMG2 Se Sparta, NJLIMBS DOWN
Jun 10, 5:30 PM EDTTSTM WND DMG3 E Hopatcong, NJWIDESPREAD TREES AND WIRES DOWN FROM EAST OF HOPATCONG SOUTHWARD
Jun 10, 5:40 PM EDTHAIL 0.25Mine Hill, NJ
Jun 10, 5:43 PM EDTHAIL 0.5Dover, NJ
Jun 10, 5:54 PM EDTHAIL 0.753 Ssw Dover, NJ
Jun 10, 6:05 PM EDTHAIL 0.5Mendham, NJ

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, 9.3 hours before the alert went out and 135 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 2012-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 44 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 2012-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 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
44 J/kg
Mixed-layer CIN
-51 J/kg
Mixed-layer LCL
863 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
126 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

975 
WWUS81 KPHI 102115
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
515 PM EDT SUN JUN 10 2012

NJZ001-008-102215-
MORRIS NJ-SUSSEX NJ-
515 PM EDT SUN JUN 10 2012

...STRONG THUNDERSTORMS WILL AFFECT MORRIS AND SUSSEX COUNTIES...

AT 512 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
STRONG THUNDERSTORMS FROM 7 MILES EAST OF NEWTON TO 15 MILES 
NORTHWEST OF MORRISTOWN...MOVING SOUTHEAST AT 20 MPH. THE 
THUNDERSTORMS WILL BE NEAR LAKE MOHAWK AND HOPATCONG AROUND 530 
PM...MOUNT ARLINGTON AND STANHOPE AROUND 545 PM...SUCCASUNNA AND 
MORRIS PLAINS AROUND 600 PM...AND MENDHAM AND MORRISTOWN AROUND 615 
PM.

VERY HEAVY RAIN WILL FALL FROM THESE STORMS...AND WILL CAUSE WATER TO
POND ON ROADS AND QUICKLY FILL POOR DRAINAGE AREAS.

THESE STORMS WILL PRODUCE DANGEROUS CLOUD-TO-GROUND LIGHTNING...AND 
MAY PRODUCE SMALL HAIL. IF YOU HEAR THUNDER...PLEASE MOVE INDOORS.

LAT...LON 4110 7448 4105 7449 4106 7445 4103 7442
      4101 7434 4090 7430 4090 7433 4082 7432
      4080 7436 4073 7437 4067 7445 4069 7452
      4076 7456 4073 7465 4074 7468 4121 7480

$$

MPD

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 4:25 PM EDTSpecial Weather StatementPHISussex50 min
Jun 10, 4:30 PM EDTSpecial Weather StatementPHIHunterdon60 min
Jun 10, 5:19 PM EDTSpecial Weather StatementPHIMorris, Sussex56 min
Jun 10, 5:26 PM EDTSevere Thunderstorm WarningPHIMorris, Sussex64 min
Jun 10, 6:01 PM EDTSevere Thunderstorm WarningPHIHunterdon, Middlesex, Morris, Somerset44 min

Nearby

Special Weather Statements in New Jersey, 2012Every special weather statement in 2012

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.