Alert archive / New Jersey / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 173, NWS Philadelphia/Mount Holly

August 13, 20164 counties in New Jersey; Northampton County, Pennsylvania

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 13, 2016, 8:27 PM EDT for 4 counties in New Jersey; Northampton County, Pennsylvania. It was in force for 48 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
Aug 13, 2016, 8:27 PM EDT (00:27 UTC)
Expired
Aug 13, 2016, 9:15 PM EDT
In force
48 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Hunterdon County, NJ, Morris County, NJ, Sussex County, NJ, Warren County, NJ, Northampton County, PA

The radar

The Philadelphia radar (KDIX), 102 km from the middle of the area, began a volume at 00:30 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
Aug 13, 8:30 PM EDTTSTM WND DMGWashington, NJWIRES BLOWN DOWN...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, 0.5 hours before the alert went out and 173 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 00:00Z on 2016-08-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2757 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 00:00Z on 2016-08-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 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
2757 J/kg
Mixed-layer CIN
-86 J/kg
Mixed-layer LCL
930 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
96 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.8

Open this sounding in Storm Lab

The text

As transmitted.

477 
WUUS51 KPHI 140027
SVRPHI
NJC019-027-037-041-PAC095-140115-
/O.NEW.KPHI.SV.W.0173.160814T0027Z-160814T0115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
827 PM EDT SAT AUG 13 2016

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ  HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL WARREN COUNTY IN NORTHWESTERN NEW JERSEY...
  NORTHERN HUNTERDON COUNTY IN NORTHWESTERN NEW JERSEY...
  SOUTH CENTRAL SUSSEX COUNTY IN NORTHWESTERN NEW JERSEY...
  SOUTHWESTERN MORRIS COUNTY IN NORTHERN NEW JERSEY...
  EAST CENTRAL NORTHAMPTON COUNTY IN EASTERN PENNSYLVANIA...

* UNTIL 915 PM EDT

* AT 827 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER
  ROXBURG...OR 9 MILES NORTHEAST OF EASTON...MOVING EAST AT 30 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  HOPATCONG...HACKETTSTOWN...WHARTON...WASHINGTON...
  MOUNT ARLINGTON...MENDHAM...STANHOPE...NETCONG...BELVIDERE...
  HARMONY...OXFORD...GLEN GARDNER...CHESTER...HAMPTON...CALIFON...
  BLOOMSBURY...SUCCASUNNA...GREAT MEADOWS-VIENNA...
  ROXBURG AND BEATYESTOWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4064 7511 4083 7521 4099 7465 4078 7452
TIME...MOT...LOC 0027Z 248DEG 25KT 4076 7507 

HAIL...<.75IN
WIND...60MPH
 
$$

MWG
3 follow-up statements
365 
WWUS51 KPHI 140047
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
847 PM EDT SAT AUG 13 2016

PAC095-140057-
/O.CAN.KPHI.SV.W.0173.000000T0000Z-160814T0115Z/
NORTHAMPTON PA-
847 PM EDT SAT AUG 13 2016

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL NORTHAMPTON
COUNTY IS CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 4067 7499 4088 7501 4099 7465 4078 7452
TIME...MOT...LOC 0047Z 248DEG 25KT 4081 7490 

$$

NJC019-027-037-041-140115-
/O.CON.KPHI.SV.W.0173.000000T0000Z-160814T0115Z/
WARREN NJ-HUNTERDON NJ-SUSSEX NJ-MORRIS NJ-
847 PM EDT SAT AUG 13 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM EDT
FOR SOUTHEASTERN WARREN...NORTHEASTERN HUNTERDON...SOUTH CENTRAL
SUSSEX AND SOUTHWESTERN MORRIS COUNTIES...

AT 847 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER
BEATYESTOWN...OR 18 MILES SOUTHWEST OF NEWTON...MOVING EAST AT 30
MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
HOPATCONG...HACKETTSTOWN...WHARTON...WASHINGTON...MOUNT ARLINGTON...
MENDHAM...STANHOPE...NETCONG...OXFORD...GLEN GARDNER...CHESTER...
HAMPTON...CALIFON...SUCCASUNNA...SUCCASUNNA-KENVIL...
GREAT MEADOWS-VIENNA...BEATYESTOWN...BUDD LAKE...
ALLAMUCHY-PANTHER VALLEY AND LONG VALLEY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4067 7499 4088 7501 4099 7465 4078 7452
TIME...MOT...LOC 0047Z 248DEG 25KT 4081 7490 

HAIL...<.75IN
WIND...60MPH
 
$$

MWG
773 
WWUS51 KPHI 140103
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
903 PM EDT SAT AUG 13 2016

NJC019-027-037-041-140115-
/O.CON.KPHI.SV.W.0173.000000T0000Z-160814T0115Z/
WARREN NJ-HUNTERDON NJ-SUSSEX NJ-MORRIS NJ-
903 PM EDT SAT AUG 13 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM EDT
FOR EAST CENTRAL WARREN...NORTHEASTERN HUNTERDON...SOUTH CENTRAL
SUSSEX AND SOUTHWESTERN MORRIS COUNTIES...

AT 902 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER BUDD LAKE...OR
13 MILES SOUTH OF NEWTON...MOVING EAST AT 30 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
HOPATCONG...HACKETTSTOWN...WHARTON...MOUNT ARLINGTON...MENDHAM...
STANHOPE...NETCONG...CHESTER...SUCCASUNNA...SUCCASUNNA-KENVIL...
BEATYESTOWN...BUDD LAKE...ALLAMUCHY-PANTHER VALLEY...LONG VALLEY...
GREAT MEADOWS-VIENNA AND BEATTYESTOWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4071 7481 4089 7489 4099 7465 4078 7452
TIME...MOT...LOC 0102Z 248DEG 25KT 4085 7477 

HAIL...<.75IN
WIND...60MPH
 
$$

MWG
562 
WWUS51 KPHI 140113
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
913 PM EDT SAT AUG 13 2016

NJC019-027-037-041-140122-
/O.EXP.KPHI.SV.W.0173.000000T0000Z-160814T0115Z/
WARREN NJ-HUNTERDON NJ-SUSSEX NJ-MORRIS NJ-
913 PM EDT SAT AUG 13 2016

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL WARREN...
NORTHEASTERN HUNTERDON...SOUTH CENTRAL SUSSEX AND SOUTHWESTERN MORRIS
COUNTIES WILL EXPIRE AT 915 PM EDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

LAT...LON 4071 7481 4089 7489 4099 7465 4078 7452
TIME...MOT...LOC 0110Z 248DEG 25KT 4085 7477 

$$

MWG

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 13, 8:05 PM EDTSpecial Weather StatementPHIWarren40 min
Aug 13, 9:00 PM EDTSpecial Weather StatementPHIHunterdon45 min
Aug 13, 9:12 PM EDTSpecial Weather StatementPHIMorris48 min
Aug 13, 9:19 PM EDTSpecial Weather StatementPHISomerset26 min
Aug 13, 10:46 PM EDTSpecial Weather StatementPHISussex44 min
Aug 13, 11:15 PM EDTSevere Thunderstorm WarningPHISussex, Warren45 min
Aug 13, 11:53 PM EDTSpecial Weather StatementPHISussex37 min
Aug 14, 12:09 AM EDTSpecial Weather StatementPHISussex36 min
Aug 14, 12:39 AM EDTSpecial Weather StatementPHISussex, Warren51 min
Aug 14, 1:21 AM EDTSpecial Weather StatementPHISussex24 min
Aug 14, 5:43 PM EDTSpecial Weather StatementPHIWarren47 min
Aug 13, 8:16 PM EDTSevere Thunderstorm WarningPHIBerks, Bucks, Lehigh, Montgomery44 min
Aug 13, 9:28 PM EDTSpecial Weather StatementPHICarbon, Monroe47 min
Aug 13, 9:55 PM EDTSevere Thunderstorm WarningPHICarbon, Monroe, Northampton50 min
Aug 13, 10:35 PM EDTAreal Flood AdvisoryPHICarbon, Monroe4 hr
Aug 13, 11:46 PM EDTSpecial Weather StatementPHIMonroe29 min
Aug 14, 12:30 AM EDTSpecial Weather StatementPHIMonroe45 min
Aug 14, 6:24 PM EDTSpecial Weather StatementPHIMonroe51 min
Aug 14, 6:57 PM EDTSpecial Weather StatementPHIBerks48 min
Aug 14, 7:31 PM EDTSpecial Weather StatementPHIMontgomery44 min
Aug 14, 7:56 PM EDTSpecial Weather StatementPHIChester49 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2016Severe Thunderstorm Warnings in Pennsylvania, 2016Every severe thunderstorm warning in 2016

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.