Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 96, NWS Philadelphia/Mount Holly

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

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 14, 2016, 2:29 PM EDT for Warren County, New Jersey; Monroe County, Northampton County, Pennsylvania. It was in force for 46 min. 8 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, 2:29 PM EDT (18:29 UTC)
Expired
Jul 14, 2016, 3:15 PM EDT
In force
46 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Warren County, NJ, Monroe County, PA, Northampton County, PA

The radar

The Philadelphia radar (KDIX), 109 km from the middle of the area, began a volume at 18:31 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, 2:40 PM EDTTSTM WND DMGHarmony, NJSEVERAL BUILDINGS DAMAGED.
Jul 14, 2:44 PM EDTTSTM WND DMGMount Bethel, PANUMEROUS TREES AND WIRES DOWN.
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, 6.5 hours before the alert went out and 184 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.

451 
WUUS51 KPHI 141829
SVRPHI
NJC041-PAC089-095-141915-
/O.NEW.KPHI.SV.W.0096.160714T1829Z-160714T1915Z/

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

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ  HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WARREN COUNTY IN NORTHWESTERN NEW JERSEY...
  EASTERN NORTHAMPTON COUNTY IN EASTERN PENNSYLVANIA...
  SOUTHEASTERN MONROE COUNTY IN NORTHEASTERN PENNSYLVANIA...

* UNTIL 315 PM EDT

* AT 229 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER WIND
  GAP...OR 9 MILES NORTH 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...
  HACKETTSTOWN...WASHINGTON...BLAIRSTOWN...NAZARETH...BANGOR...
  PEN ARGYL...WIND GAP...BELVIDERE...HARMONY...OXFORD...ALPHA...
  HOPE...BELFAST...TATAMY...EAST BANGOR...BLOOMSBURY...
  RIEGELSVILLE...DELAWARE WATER GAP...MILLBROOK AND COLUMBIA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4091 7477 4088 7481 4086 7480 4082 7483
      4078 7490 4073 7495 4059 7518 4061 7520
      4065 7520 4068 7517 4068 7520 4072 7519
      4071 7536 4089 7540 4098 7513 4109 7496
TIME...MOT...LOC 1829Z 261DEG 27KT 4082 7529 

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

PO
2 follow-up statements
388 
WWUS51 KPHI 141849
SVSPHI

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

PAC089-141858-
/O.CAN.KPHI.SV.W.0096.000000T0000Z-160714T1915Z/
MONROE PA-
249 PM EDT THU JUL 14 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MONROE COUNTY 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...AND EASTERN PENNSYLVANIA.

LAT...LON 4091 7477 4088 7481 4086 7480 4082 7483
      4078 7490 4073 7495 4060 7517 4061 7519
      4065 7520 4068 7517 4068 7520 4072 7519
      4074 7524 4086 7527 4096 7511 4109 7496
TIME...MOT...LOC 1848Z 261DEG 27KT 4084 7510 

$$

NJC041-PAC095-141915-
/O.CON.KPHI.SV.W.0096.000000T0000Z-160714T1915Z/
WARREN NJ-NORTHAMPTON PA-
249 PM EDT THU JUL 14 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR WARREN AND EASTERN NORTHAMPTON COUNTIES...

AT 248 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER BELVIDERE...OR
12 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...
HACKETTSTOWN...WASHINGTON...BLAIRSTOWN...BANGOR...PEN ARGYL...
BELVIDERE...HARMONY...OXFORD...ALPHA...HOPE...EAST BANGOR...
BLOOMSBURY...MILLBROOK...COLUMBIA...PLEASANT VALLEY...
GREAT MEADOWS-VIENNA...ROXBURG...BEATYESTOWN...
BRASS CASTLE AND ALLAMUCHY-PANTHER VALLEY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4091 7477 4088 7481 4086 7480 4082 7483
      4078 7490 4073 7495 4060 7517 4061 7519
      4065 7520 4068 7517 4068 7520 4072 7519
      4074 7524 4086 7527 4096 7511 4109 7496
TIME...MOT...LOC 1848Z 261DEG 27KT 4084 7510 

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

PO
498 
WWUS51 KPHI 141859
SVSPHI

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

PAC095-141908-
/O.CAN.KPHI.SV.W.0096.000000T0000Z-160714T1915Z/
NORTHAMPTON PA-
259 PM EDT THU JUL 14 2016

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN NORTHAMPTON COUNTY 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...AND EASTERN PENNSYLVANIA.

LAT...LON 4091 7477 4088 7481 4086 7480 4082 7483
      4078 7490 4073 7495 4065 7510 4067 7512
      4068 7517 4073 7518 4077 7512 4085 7508
      4086 7505 4097 7507 4109 7496
TIME...MOT...LOC 1858Z 261DEG 27KT 4085 7499 

$$

NJC041-141915-
/O.CON.KPHI.SV.W.0096.000000T0000Z-160714T1915Z/
WARREN NJ-
259 PM EDT THU JUL 14 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR WARREN COUNTY...

AT 258 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER OXFORD...OR 16
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...
HACKETTSTOWN...WASHINGTON...BLAIRSTOWN...BELVIDERE...HARMONY...
OXFORD...HOPE...BLOOMSBURY...MILLBROOK...PLEASANT VALLEY...
GREAT MEADOWS-VIENNA...ROXBURG...BEATYESTOWN...BRASS CASTLE...
ALLAMUCHY-PANTHER VALLEY...PHILLIPSBURG AND BEATTYESTOWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4091 7477 4088 7481 4086 7480 4082 7483
      4078 7490 4073 7495 4065 7510 4067 7512
      4068 7517 4073 7518 4077 7512 4085 7508
      4086 7505 4097 7507 4109 7496
TIME...MOT...LOC 1858Z 261DEG 27KT 4085 7499 

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

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, 2:46 PM EDTTornado WarningPHIWarren29 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
Jul 14, 1:16 PM EDTSpecial Weather StatementPHICarbon29 min
Jul 14, 1:46 PM EDTSpecial Weather StatementPHICarbon, Monroe, Northampton44 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2016Severe 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.