Alert archive / New Jersey / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 97, NWS Philadelphia/Mount Holly

July 14, 2016Hunterdon County, Morris County, Warren County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 14, 2016, 3:07 PM EDT for Hunterdon County, Morris County, Warren County, New Jersey. It was in force for 38 min. 3 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
Jul 14, 2016, 3:07 PM EDT (19:07 UTC)
Expired
Jul 14, 2016, 3:45 PM EDT
In force
38 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.75 in
Wind
70.0 mph

Counties Hunterdon County, NJ, Morris County, NJ, Warren County, NJ

The radar

The Philadelphia radar (KDIX), 100 km from the middle of the area, began a volume at 19:09 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
Jul 14, 3:30 PM EDTTSTM WND DMGMorristown, NJNUMEROUS TREES DOWN
Jul 14, 3:38 PM EDTTSTM WND DMG2 S Morristown, NJDOWNED AND UPROOTED TREES ON WOODLAND AVE
Jul 14, 3:44 PM EDTTSTM WND GST 53Morristown Muni Airport, NJ

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 14, 12:58 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 7.1 hours before the alert went out and 137 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 2016-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 468 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 2016-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 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
468 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
545 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
103 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted.

930 
WUUS51 KPHI 141907
SVRPHI
NJC019-027-041-141945-
/O.NEW.KPHI.SV.W.0097.160714T1907Z-160714T1945Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
307 PM EDT THU JUL 14 2016

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ  HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL WARREN COUNTY IN NORTHWESTERN NEW JERSEY...
  NORTHEASTERN HUNTERDON COUNTY IN NORTHWESTERN NEW JERSEY...
  MORRIS COUNTY IN NORTHERN NEW JERSEY...

* UNTIL 345 PM EDT

* AT 306 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER
  BEATYESTOWN... OR 16 MILES SOUTH OF NEWTON...MOVING EAST AT 40 MPH.

  HAZARD...70 MPH WIND GUSTS. 

  SOURCE...LAW ENFORCEMENT. 

  IMPACT...EXPECT CONSIDERABLE TREE DAMAGE. DAMAGE IS LIKELY TO 
           MOBILE HOMES...ROOFS...AND OUTBUILDINGS. 

* LOCATIONS IMPACTED INCLUDE...
  MORRISTOWN...DOVER...MADISON...HOPATCONG...FLORHAM PARK...
  EAST HANOVER...LINCOLN PARK...KINNELON...HACKETTSTOWN...CHATHAM...
  BOONTON...WHARTON...ROCKAWAY...MORRIS PLAINS...MOUNT ARLINGTON...
  MENDHAM...MOUNTAIN LAKES...STANHOPE...RIVERDALE AND NETCONG.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING. DAMAGE HAS BEEN REPORTED FROM THIS STORM IN HARMONY, NJ. 

&&

LAT...LON 4091 7433 4083 7433 4079 7437 4076 7438
      4075 7436 4072 7439 4072 7452 4076 7457
      4072 7472 4072 7492 4090 7493 4092 7478
      4090 7471 4095 7463 4100 7431 4097 7428
      4092 7429 4090 7427
TIME...MOT...LOC 1906Z 268DEG 36KT 4082 7482 

HAIL...<.75IN
WIND...70MPH
 
$$

PO
2 follow-up statements
083 
WWUS51 KPHI 141926
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
326 PM EDT THU JUL 14 2016

NJC019-041-141935-
/O.CAN.KPHI.SV.W.0097.000000T0000Z-160714T1945Z/
WARREN NJ-HUNTERDON NJ-
326 PM EDT THU JUL 14 2016

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL WARREN AND
NORTHEASTERN HUNTERDON COUNTIES IS CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA, THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT FOR
NORTHERN AND NORTHWESTERN NEW JERSEY.

LAT...LON 4091 7433 4083 7433 4079 7437 4076 7438
      4075 7436 4072 7439 4072 7452 4076 7457
      4073 7471 4079 7471 4084 7469 4090 7471
      4095 7463 4100 7431 4097 7428 4092 7429
      4090 7427
TIME...MOT...LOC 1925Z 268DEG 36KT 4083 7456 

$$

NJC027-141945-
/O.CON.KPHI.SV.W.0097.000000T0000Z-160714T1945Z/
MORRIS NJ-
326 PM EDT THU JUL 14 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR MORRIS COUNTY...

AT 325 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR VICTORY
LAKES... OR NEAR MORRISTOWN...MOVING EAST AT 40 MPH.

HAZARD...70 MPH WIND GUSTS. 

SOURCE...LAW ENFORCEMENT. 

IMPACT...EXPECT CONSIDERABLE TREE DAMAGE. DAMAGE IS LIKELY TO MOBILE 
         HOMES...ROOFS...AND OUTBUILDINGS. 

LOCATIONS IMPACTED INCLUDE...
MORRISTOWN...DOVER...MADISON...HOPATCONG...FLORHAM PARK...
EAST HANOVER...LINCOLN PARK...KINNELON...CHATHAM...BOONTON...
WHARTON...ROCKAWAY...MORRIS PLAINS...MOUNT ARLINGTON...MENDHAM...
MOUNTAIN LAKES...STANHOPE...RIVERDALE...NETCONG AND CHESTER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4091 7433 4083 7433 4079 7437 4076 7438
      4075 7436 4072 7439 4072 7452 4076 7457
      4073 7471 4079 7471 4084 7469 4090 7471
      4095 7463 4100 7431 4097 7428 4092 7429
      4090 7427
TIME...MOT...LOC 1925Z 268DEG 36KT 4083 7456 

HAIL...<.75IN
WIND...70MPH
 
$$
PO
304 
WWUS51 KPHI 141936
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
336 PM EDT THU JUL 14 2016

NJC027-141945-
/O.CON.KPHI.SV.W.0097.000000T0000Z-160714T1945Z/
MORRIS NJ-
336 PM EDT THU JUL 14 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR SOUTHEASTERN MORRIS COUNTY...

AT 334 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR
PARSIPPANY...OR NEAR MORRISTOWN...MOVING EAST AT 40 MPH.

HAZARD...70 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT CONSIDERABLE TREE DAMAGE. DAMAGE IS LIKELY TO MOBILE 
         HOMES...ROOFS...AND OUTBUILDINGS. 

LOCATIONS IMPACTED INCLUDE...
MORRISTOWN...DOVER...MADISON...FLORHAM PARK...EAST
HANOVER...CHATHAM...
BOONTON...ROCKAWAY...MORRIS PLAINS...MENDHAM...MOUNTAIN
LAKES...VICTORY
GARDENS...PARSIPPANY...BERNARDSVILLE AND HANOVER TOWNSHIP.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4083 7433 4079 7437 4076 7438 4075 7436
      4072 7441 4072 7452 4076 7457 4074 7467
      4078 7466 4085 7461 4088 7460 4089 7454
      4090 7441
TIME...MOT...LOC 1934Z 268DEG 36KT 4083 7443 

HAIL...<.75IN
WIND...70MPH
 
$$

PO

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 2:04 PM EDTSevere Thunderstorm WarningPHIWarren26 min
Jul 14, 2:29 PM EDTSevere Thunderstorm WarningPHIWarren46 min
Jul 14, 2:46 PM EDTTornado WarningPHIWarren29 min
Jul 14, 3:14 PM EDTSpecial Weather StatementPHISussex46 min
Jul 14, 3:18 PM EDTSevere Thunderstorm WarningPHISomerset27 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 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.