Alert archive / Pennsylvania / Tornado Warnings in 2016

Tornado Warning 3, NWS Philadelphia/Mount Holly

July 14, 2016Northampton County, Pennsylvania; Warren County, New Jersey

NWS Philadelphia/Mount Holly issued this tornado warning at Jul 14, 2016, 2:46 PM EDT for Northampton County, Pennsylvania; Warren County, New Jersey. It was in force for 29 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
Jul 14, 2016, 2:46 PM EDT (18:46 UTC)
Expired
Jul 14, 2016, 3:15 PM EDT
In force
29 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Warren County, NJ, Northampton County, PA

The radar

The Philadelphia radar (KDIX), 105 km from the middle of the area, began a volume at 18:48 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, 2:46 PM EDTTORNADOLommasons Glen, NJEF0 TORNADO DAMAGED A BARN AND A RESIDENCE. IN ADDITION...THERE WERE NUMEROUS TREES DOWN WITH THE TOPS SHEARED OFF
Jul 14, 2:48 PM EDTTSTM WND DMGHarmony, NJSEVERAL BUILDINGS DAMAGED.
Jul 14, 2:48 PM EDTTSTM WND DMGWhite Twp, NJA BARN WAS DESTROYED ALONG WITH WIRES AND POLES DOWN ON ROUTE 519.
Jul 14, 2:48 PM EDTTSTM WND DMGWhite Twp, NJA BARN WAS DESTROYED ALONG WITH WIRES AND POLES DOWN ON ROUTE 519.
Jul 14, 2:55 PM EDTTSTM WND DMGWashington, NJSEVERAL LARGE LIMBS BLOWN DOWN ONTO VEHICLE. TIME ESTIMATED FROM RADAR.
Jul 14, 2:55 PM EDTTSTM WND DMGWashington, NJWINDOWS BLOWN OUT OF A CHURCH. TIME ESTIMATED FROM RADAR.

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, 6.8 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 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.

926 
WFUS51 KPHI 141846
TORPHI
NJC041-PAC095-141915-
/O.NEW.KPHI.TO.W.0003.160714T1846Z-160714T1915Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
246 PM EDT THU JUL 14 2016

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ  HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL WARREN COUNTY IN NORTHWESTERN NEW JERSEY...
  NORTHEASTERN NORTHAMPTON COUNTY IN EASTERN PENNSYLVANIA...

* UNTIL 315 PM EDT
    
* AT 246 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED OVER ROXBURG...OR 10 MILES NORTHEAST OF
  EASTON...MOVING EAST AT 35 MPH.

  HAZARD...TORNADO. 

  SOURCE...RADAR INDICATED ROTATION. 

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED.
           DAMAGE TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR. TREE
           DAMAGE IS LIKELY. 

* THIS DANGEROUS STORM WILL BE NEAR...
  WASHINGTON...OXFORD...BRASS CASTLE AND PLEASANT VALLEY AROUND 255
  PM EDT. HAMPTON AND GREAT MEADOWS-VIENNA AROUND 300 PM EDT.
  ALLAMUCHY-PANTHER VALLEY AROUND 305 PM EDT. HACKETTSTOWN AND
  BEATYESTOWN AROUND 310 PM EDT. 

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
BEATTYESTOWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN
A MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4088 7481 4086 7480 4084 7483 4082 7483
      4078 7490 4073 7495 4069 7500 4070 7501
      4071 7519 4089 7517 4090 7479
TIME...MOT...LOC 1846Z 272DEG 30KT 4080 7508 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

PO
2 follow-up statements
770 
WWUS51 KPHI 141856
SVSPHI

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

PAC095-141906-
/O.CAN.KPHI.TO.W.0003.000000T0000Z-160714T1915Z/
NORTHAMPTON PA-
256 PM EDT THU JUL 14 2016

...THE TORNADO WARNING FOR NORTHEASTERN NORTHAMPTON COUNTY IS
CANCELLED...
    
THE TORNADIC 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...AND EASTERN PENNSYLVANIA.

LAT...LON 4090 7479 4088 7481 4086 7480 4084 7483
      4082 7483 4078 7490 4069 7500 4071 7519
      4078 7517 4077 7513 4082 7508 4085 7510
      4086 7505 4089 7507
TIME...MOT...LOC 1856Z 267DEG 38KT 4081 7494 

$$

NJC041-141915-
/O.CON.KPHI.TO.W.0003.000000T0000Z-160714T1915Z/
WARREN NJ-
256 PM EDT THU JUL 14 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM EDT FOR CENTRAL
WARREN COUNTY...
    
AT 256 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED OVER OXFORD...OR 16 MILES NORTHEAST OF EASTON...MOVING
EAST AT 45 MPH.

HAZARD...TORNADO. 

SOURCE...RADAR INDICATED ROTATION. 

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
         TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR.  TREE DAMAGE
         IS LIKELY. 

THIS DANGEROUS STORM WILL BE NEAR...
  GREAT MEADOWS-VIENNA AND ALLAMUCHY-PANTHER VALLEY AROUND 300 PM 
  EDT. 
  HACKETTSTOWN AND BEATYESTOWN AROUND 305 PM EDT. 

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
BEATTYESTOWN.

LAT...LON 4090 7479 4088 7481 4086 7480 4084 7483
      4082 7483 4078 7490 4069 7500 4071 7519
      4078 7517 4077 7513 4082 7508 4085 7510
      4086 7505 4089 7507
TIME...MOT...LOC 1856Z 267DEG 38KT 4081 7494 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

PO
619 
WWUS51 KPHI 141909
SVSPHI

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

NJC041-141918-
/O.EXP.KPHI.TO.W.0003.000000T0000Z-160714T1915Z/
WARREN NJ-
309 PM EDT THU JUL 14 2016

...THE TORNADO WARNING FOR CENTRAL WARREN COUNTY WILL EXPIRE AT 315
PM EDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE. 

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

LAT...LON 4090 7479 4088 7481 4086 7480 4084 7483
      4082 7483 4078 7490 4069 7500 4071 7519
      4078 7517 4077 7513 4082 7508 4085 7510
      4086 7505 4089 7507
TIME...MOT...LOC 1906Z 272DEG 30KT 4081 7494 

$$

PO

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 1:16 PM EDTSpecial Weather StatementPHICarbon29 min
Jul 14, 1:46 PM EDTSpecial Weather StatementPHICarbon, Monroe, Northampton44 min
Jul 14, 2:04 PM EDTSevere Thunderstorm WarningPHICarbon, Monroe, Northampton26 min
Jul 14, 2:29 PM EDTSevere Thunderstorm WarningPHIMonroe, Northampton46 min
Jul 14, 3:07 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Warren38 min
Jul 14, 3:14 PM EDTSpecial Weather StatementPHISussex46 min
Jul 14, 3:18 PM EDTSevere Thunderstorm WarningPHISomerset27 min

Nearby

Tornado Warnings in Pennsylvania, 2016Tornado Warnings in New Jersey, 2016Every tornado warning in 2016Tornadoes 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.