Alert archive / New Jersey / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 137, NWS Philadelphia/Mount Holly

July 25, 20164 counties in New Jersey; Bucks County, Pennsylvania

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 25, 2016, 4:37 PM EDT for 4 counties in New Jersey; Bucks County, Pennsylvania. It was in force for 38 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 25, 2016, 4:37 PM EDT (20:37 UTC)
Expired
Jul 25, 2016, 5:15 PM EDT
In force
38 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

Counties Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Somerset County, NJ, Bucks County, PA

The radar

The Philadelphia radar (KDIX), 54 km from the middle of the area, began a volume at 20:39 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 25, 4:40 PM EDTTSTM WND DMGUpper Makefield Twp, PATREES AND WIRES DOWN. TIME ESTIMATED FROM RADAR.
Jul 25, 4:45 PM EDTTSTM WND DMGWest Amwell Twp, NJNUMEROUS TREES DOWN. TIME ESTIMATED FROM RADAR.
Jul 25, 4:53 PM EDTTSTM WND DMGHopewell Twp, NJTREES DOWN. TIME ESTIMATED FROM RADAR.
Jul 25, 4:53 PM EDTTSTM WND DMGWashington Crossing, NJROUTE 29 ALONG RIVER CLOSED TO WIRES AND TREES DOWN NEAR WASHINGTON CROSSING
Jul 25, 4:55 PM EDTTSTM WND DMGEast Amwell Twp, NJMULTIPLE TREES DOWN
Jul 25, 4:57 PM EDTTSTM WND DMGBranchburg, NJPREAKNESS CIRCLE- CHIMNEY RIPPED OFF HOUSE AND 2 CARS THROWN 100 FEET.

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 25, 12:43 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 8.6 hours before the alert went out and 178 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 2016-07-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 136 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 2016-07-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 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
136 J/kg
Mixed-layer CIN
-103 J/kg
Mixed-layer LCL
1205 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
34 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

065 
WUUS51 KPHI 252037
SVRPHI
NJC019-021-023-035-PAC017-252115-
/O.NEW.KPHI.SV.W.0137.160725T2037Z-160725T2115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
437 PM EDT MON JUL 25 2016

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ  HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MERCER COUNTY IN CENTRAL NEW JERSEY...
  SOUTHEASTERN HUNTERDON COUNTY IN NORTHWESTERN NEW JERSEY...
  SOUTHWESTERN SOMERSET COUNTY IN NORTHERN NEW JERSEY...
  SOUTHWESTERN MIDDLESEX COUNTY IN NORTHERN NEW JERSEY...
  SOUTHEASTERN BUCKS COUNTY IN SOUTHEASTERN PENNSYLVANIA...

* UNTIL 515 PM EDT

* AT 436 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR NEWTOWN...OR
  11 MILES WEST OF TRENTON...MOVING NORTHEAST AT 40 MPH.

  HAZARD...60 MPH WIND GUSTS AND NICKEL SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

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

* THIS SEVERE THUNDERSTORM WILL BE NEAR...
  NEW HOPE...YARDLEY...WASHINGTON CROSSING...WASHINGTON CROSSING AND
  WOODSIDE AROUND 445 PM EDT. TRENTON AND PENNINGTON AROUND 450 PM
  EDT. LAWRENCEVILLE AROUND 455 PM EDT. HOPEWELL AND CLOVERHILL
  AROUND 500 PM EDT. PRINCETON...SKILLMAN AND PLAINSBORO CENTER
  AROUND 505 PM EDT. ROCKY HILL...BELLE MEAD...KINGSTON...FLAGTOWN
  AND PRINCETON MEADOWS AROUND 510 PM EDT. SOUTH
  BRUNSWICK...MANVILLE...MILLSTONE...KENDALL PARK...DAYTON AND NORTH
  BRUNSWICK TOWNSHIP AROUND 515 PM EDT. 

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
ROSSMOOR...PRINCETON JUNCTION...MONMOUTH JUNCTION...PRINCETON
NORTH... WOODBOURNE...RARITAN...NEWTOWN GRANT...VILLAGE
SHIRES...CHURCHVILLE AND LAMBERTVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FREQUENT CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE
ENOUGH TO BE STRUCK BY LIGHTNING.

&&

LAT...LON 4015 7500 4031 7515 4059 7465 4033 7441
TIME...MOT...LOC 2036Z 238DEG 33KT 4028 7497 

HAIL...0.88IN
WIND...60MPH
 
$$

MEOLA
1 follow-up statement
944 
WWUS51 KPHI 252057
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
457 PM EDT MON JUL 25 2016

NJC019-021-023-035-PAC017-252115-
/O.CON.KPHI.SV.W.0137.000000T0000Z-160725T2115Z/
MERCER NJ-HUNTERDON NJ-SOMERSET NJ-MIDDLESEX NJ-BUCKS PA-
457 PM EDT MON JUL 25 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR MERCER...SOUTHEASTERN HUNTERDON...SOUTHWESTERN SOMERSET...
SOUTHWESTERN MIDDLESEX AND EAST CENTRAL BUCKS COUNTIES...

AT 457 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER HOPEWELL...OR
11 MILES NORTH OF TRENTON...MOVING NORTHEAST AT 40 MPH.

HAZARD...60 MPH WIND GUSTS AND NICKEL SIZE HAIL. 

SOURCE...RADAR INDICATED. 

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

THIS SEVERE STORM WILL BE NEAR...  SKILLMAN AND CLOVERHILL AROUND
500 PM EDT.   PRINCETON...ROCKY HILL AND PLAINSBORO CENTER AROUND
505 PM EDT.   BELLE MEAD...KINGSTON...FLAGTOWN AND PRINCETON MEADOWS
AROUND 510 PM   EDT.   SOUTH
BRUNSWICK...MANVILLE...MILLSTONE...KENDALL PARK...DAYTON AND   NORTH
BRUNSWICK TOWNSHIP AROUND 515 PM EDT. 

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
ROSSMOOR...PRINCETON JUNCTION...MONMOUTH JUNCTION...PRINCETON
NORTH... RARITAN...LAMBERTVILLE...HEATHCOTE AND CONCORDIA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FREQUENT CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE
ENOUGH TO BE STRUCK BY LIGHTNING.

&&

LAT...LON 4020 7484 4039 7501 4059 7465 4033 7441
TIME...MOT...LOC 2057Z 238DEG 33KT 4038 7476 

HAIL...0.88IN
WIND...60MPH
 
$$

MEOLA

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 25, 4:46 AM EDTSpecial Weather StatementPHIBurlington, Camden, Mercer59 min
Jul 25, 4:54 AM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester51 min
Jul 25, 5:27 AM EDTSpecial Weather StatementPHIBurlington, Ocean63 min
Jul 25, 6:17 AM EDTSpecial Marine WarningPHI88 min
Jul 25, 7:11 AM EDTSpecial Marine WarningPHI64 min
Jul 25, 7:59 AM EDTSpecial Weather StatementPHIOcean61 min
Jul 25, 8:04 AM EDTSpecial Marine WarningPHI56 min
Jul 25, 9:00 AM EDTSpecial Marine WarningPHI60 min
Jul 25, 3:52 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Warren53 min
Jul 25, 4:34 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Somerset, Sussex, Warren56 min
Jul 25, 5:04 PM EDTSevere Thunderstorm WarningPHISussex41 min
Jul 25, 5:15 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer, Middlesex, Somerset45 min
Jul 25, 5:39 PM EDTSevere Thunderstorm WarningPHIMorris, Sussex, Warren46 min
Jul 25, 5:57 PM EDTSevere Thunderstorm WarningPHIHunterdon, Warren48 min
Jul 25, 5:58 PM EDTSevere Thunderstorm WarningPHIBurlington, Mercer, Middlesex, Monmouth47 min
Jul 25, 6:01 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden44 min
Jul 25, 6:04 PM EDTSpecial Marine WarningPHI56 min
Jul 25, 6:17 PM EDTFlash Flood WarningPHIMercer, Middlesex, Monmouth, Somerset4 hr
Jul 25, 6:39 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer, Middlesex, Monmouth, Somerset40 min
Jul 25, 6:43 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Ocean62 min
Jul 25, 6:54 PM EDTSpecial Marine WarningPHI66 min
Jul 25, 6:55 PM EDTAreal Flood AdvisoryPHIBurlington2 hr
Jul 25, 7:12 PM EDTSpecial Weather StatementPHIBurlington, Camden, Ocean63 min
Jul 25, 7:17 PM EDTFlash Flood WarningPHIBurlington, Camden4 hr
Jul 25, 7:53 PM EDTSpecial Weather StatementPHIAtlantic37 min
Jul 25, 7:58 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Ocean44 min
Jul 25, 3:21 AM EDTSpecial Weather StatementPHIChester, Montgomery39 min
Jul 25, 3:55 AM EDTSpecial Weather StatementPHIBucks, Delaware, Montgomery, Philadelphia50 min
Jul 25, 4:19 AM EDTSevere Thunderstorm WarningPHIBucks, Chester, Delaware, Montgomery, Philadelphia41 min
Jul 25, 3:15 PM EDTSevere Thunderstorm WarningPHICarbon, Monroe45 min
Jul 25, 4:00 PM EDTSpecial Weather StatementPHILehigh30 min
Jul 25, 5:19 PM EDTSevere Thunderstorm WarningPHIBerks, Carbon, Lehigh, Northampton56 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.