Alert archive / New Jersey / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 50, NWS Philadelphia/Mount Holly

June 13, 2014Morris County, Somerset County, Sussex County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 13, 2014, 4:27 PM EDT for Morris County, Somerset County, Sussex County, New Jersey. It was in force for 63 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
Jun 13, 2014, 4:27 PM EDT (20:27 UTC)
Expired
Jun 13, 2014, 5:30 PM EDT
In force
63 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon

Counties Morris County, NJ, Somerset County, NJ, Sussex County, NJ

The radar

The Philadelphia radar (KDIX), 104 km from the middle of the area, began a volume at 20:28 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
Jun 13, 4:30 PM EDTTSTM WND DMGRandolph Twp, NJTREES DOWN IN RANDOLPH TOWNSHIP.

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 12:00Z, 8.5 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 2014-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 101 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 2014-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 square meters per square second.193958Sfc1 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
101 J/kg
Mixed-layer CIN
-44 J/kg
Mixed-layer LCL
502 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
112 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

007 
WUUS51 KPHI 132027
SVRPHI
NJC027-035-037-132130-
/O.NEW.KPHI.SV.W.0050.140613T2027Z-140613T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
427 PM EDT FRI JUN 13 2014

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MORRIS COUNTY IN NORTHERN NEW JERSEY...
  SOMERSET COUNTY IN NORTHERN NEW JERSEY...
  EASTERN SUSSEX COUNTY IN NORTHWEST NEW JERSEY...

* UNTIL 530 PM EDT

* AT 424 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS. THESE SEVERE STORMS EXTENDED FROM
  PELLETTOWN TO MOUNT ARLINGTON TO SUCCASUNNA TO MENDHAM TO FAR HILLS
  TO CLOVERHILL...MOVING NORTHEAST AT 30 MPH. THESE STORMS ARE
  CAPABLE OF PRODUCING DAMAGING WINDS TO 60 MPH. A SKYWARN SPOTTER
  IN CHESTER IN MORRIS COUNTY ESTIMATED WIND GUSTS OF AT LEAST 
  50 MPH. 

* SEVERE THUNDERSTORMS WILL BE NEAR...
  WHARTON AND OGDENSBURG AROUND 435 PM EDT...
  SUSSEX AND FRANKLIN AROUND 440 PM EDT...
  MANVILLE AND SOMERVILLE AROUND 445 PM EDT...
  LAKE TELEMARK AND BOUND BROOK AROUND 450 PM EDT...
  VERNON VALLEY AND MOUNTAIN LAKES AROUND 455 PM EDT...
  PARSIPPANY AND HIGHLAND LAKE AROUND 500 PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...MOVE INDOORS TO A
STURDY BUILDING AND STAY AWAY FROM WINDOWS. WHEN IT IS SAFE TO DO
SO...REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT OR TO THE
NATIONAL WEATHER SERVICE.

VERY HEAVY RAIN WILL ALSO OCCUR WITH THIS LINE OF SEVERE
THUNDERSTORMS...WHICH COULD FLOOD LOW LYING AREAS QUICKLY AND COVER
ROADS WITH WATER. DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE
ROAD.

&&

LAT...LON 4121 7437 4109 7450 4104 7450 4105 7445
      4102 7443 4100 7430 4090 7427 4090 7433
      4084 7432 4079 7436 4074 7436 4066 7445
      4067 7440 4041 7468 4057 7473 4062 7470
      4064 7473 4072 7471 4114 7478 4131 7457
TIME...MOT...LOC 2026Z 223DEG 25KT 4112 7468 4092 7464
          4085 7463 4079 7462 4066 7464 4049 7476

$$

TFG
3 follow-up statements
378 
WWUS51 KPHI 132045
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
445 PM EDT FRI JUN 13 2014

NJC027-035-037-132130-
/O.CON.KPHI.SV.W.0050.000000T0000Z-140613T2130Z/
MORRIS NJ-SOMERSET NJ-SUSSEX NJ-
445 PM EDT FRI JUN 13 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR EASTERN SUSSEX...SOMERSET AND MORRIS COUNTIES...

AT 441 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS TO 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM SUSSEX TO HAMBURG TO OGDENSBURG TO LAKE TELEMARK TO
WHITE MEADOW LAKE TO DOVER TO MORRISTOWN TO BASKING RIDGE TO
RARITAN...OR ALONG A LINE EXTENDING FROM 10 MILES SOUTHEAST OF HIGH
POINT TO 10 MILES WEST OF WEST MILFORD TO 9 MILES WEST OF WEST
MILFORD TO 11 MILES SOUTHWEST OF WEST MILFORD TO 14 MILES WEST OF
POMPTON LAKES TO 13 MILES WEST OF CALDWELL TO 10 MILES NORTHWEST OF
SUMMIT TO 10 MILES WEST OF SUMMIT TO SOMERVILLE...MOVING NORTHEAST AT
30 MPH.

SEVERE THUNDERSTORMS WILL BE NEAR...
  SOUTH BOUND BROOK...BOUND BROOK...MORRIS PLAINS AND MORRISTOWN BY
  450 PM EDT...
  VERNON VALLEY AND MOUNTAIN LAKES BY 455 PM EDT...
  PARSIPPANY...HIGHLAND LAKE...HANOVER TOWNSHIP AND BOONTON BY 500 PM
  EDT...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...MOVE INDOORS TO A
STURDY BUILDING AND STAY AWAY FROM WINDOWS. WHEN IT IS SAFE TO DO
SO...REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT OR TO THE
NATIONAL WEATHER SERVICE.

IN ADDITION TO DAMAGING WINDS...HEAVY RAIN AND 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 4121 7438 4109 7450 4104 7450 4105 7446
      4102 7443 4100 7430 4090 7427 4090 7433
      4084 7432 4079 7436 4074 7436 4066 7445
      4067 7440 4046 7464 4058 7472 4061 7468
      4074 7465 4118 7465 4130 7456
TIME...MOT...LOC 2044Z 223DEG 25KT 4121 7457 4115 7456
          4109 7454 4101 7453 4094 7452 4088 7451
          4081 7451 4075 7453 4058 7465

$$

TFG
721 
WWUS51 KPHI 132119
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
519 PM EDT FRI JUN 13 2014

NJC035-037-132129-
/O.CAN.KPHI.SV.W.0050.000000T0000Z-140613T2130Z/
SOMERSET NJ-SUSSEX NJ-
519 PM EDT FRI JUN 13 2014

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN SUSSEX AND SOMERSET
COUNTIES IS CANCELLED...

THE STORMS HAVE MOVED EAST.
 
LAT...LON 4090 7433 4084 7432 4079 7436 4073 7437
      4065 7452 4068 7453 4070 7451 4075 7455
      4076 7458 4107 7450 4103 7450 4105 7446
      4102 7443 4100 7431 4090 7427
TIME...MOT...LOC 2119Z 223DEG 25KT 4139 7435 4133 7434
          4127 7432 4119 7431 4112 7430 4106 7429
          4099 7429 4093 7431 4076 7443

$$

NJC027-132130-
/O.CON.KPHI.SV.W.0050.000000T0000Z-140613T2130Z/
MORRIS NJ-
519 PM EDT FRI JUN 13 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR EASTERN MORRIS COUNTY...

AT 515 PM EDT...A LINE OF SEVERE THUNDERSTORMS WAS REPORTED CAPABLE
OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 25 MILES NORTH OF GREEN POND TO
21 MILES NORTH OF GREEN POND TO 17 MILES NORTH OF BUTLER TO 12 MILES
NORTH OF BUTLER TO 7 MILES NORTH OF BUTLER TO BUTLER TO PEQUANNOCK
TOWNSHIP TO LINCOLN PARK TO MADISON...OR ALONG A LINE EXTENDING FROM
GOSHEN TO WARWICK TO RINGWOOD TO POMPTON LAKES TO WAYNE TO SUMMIT...
MOVING NORTHEAST AT 30 MPH.

SEVERE THUNDERSTORMS WILL BE NEAR...
  LINCOLN PARK AND FLORHAM PARK BY 525 PM EDT...
  EAST HANOVER BY 530 PM EDT...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...MOVE INDOORS TO A
STURDY BUILDING AND STAY AWAY FROM WINDOWS. WHEN IT IS SAFE TO DO
SO...REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT OR TO THE
NATIONAL WEATHER SERVICE.

LAT...LON 4090 7433 4084 7432 4079 7436 4073 7437
      4065 7452 4068 7453 4070 7451 4075 7455
      4076 7458 4107 7450 4103 7450 4105 7446
      4102 7443 4100 7431 4090 7427
TIME...MOT...LOC 2119Z 223DEG 25KT 4139 7435 4133 7434
          4127 7432 4119 7431 4112 7430 4106 7429
          4099 7429 4093 7431 4076 7443

$$

TFG
932 
WWUS51 KPHI 132125
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
525 PM EDT FRI JUN 13 2014

NJC027-132135-
/O.EXP.KPHI.SV.W.0050.000000T0000Z-140613T2130Z/
MORRIS NJ-
525 PM EDT FRI JUN 13 2014

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN MORRIS COUNTY WILL
EXPIRE AT 530 PM EDT...

THE THUNDERSTORMS ARE EXITING THE COUNTY.

LAT...LON 4090 7433 4084 7432 4079 7436 4073 7437
      4065 7452 4068 7453 4070 7451 4075 7455
      4076 7458 4107 7450 4103 7450 4105 7446
      4102 7443 4100 7431 4090 7427
TIME...MOT...LOC 2125Z 223DEG 25KT 4142 7431 4136 7430
          4130 7428 4122 7427 4115 7426 4109 7425
          4102 7425 4096 7427 4079 7439

$$

TFG

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 3:25 AM EDTSpecial Weather StatementPHIHunterdon65 min
Jun 13, 4:28 AM EDTSpecial Weather StatementPHIHunterdon, Sussex, Warren62 min
Jun 13, 8:32 AM EDTAreal Flood AdvisoryPHIMorris, Sussex, Warren118 min
Jun 13, 11:54 AM EDTFlash Flood WatchPHIBurlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 5 more11 hr
Jun 13, 2:00 PM EDTSpecial Marine WarningPHI90 min
Jun 13, 2:16 PM EDTSpecial Weather StatementPHIWarren119 min
Jun 13, 2:52 PM EDTAreal Flood AdvisoryPHIHunterdon, Morris, Sussex, Warren4 hr
Jun 13, 3:14 PM EDTSpecial Weather StatementPHIHunterdon, Morris, Somerset, Sussex, Warren2 hr
Jun 13, 3:16 PM EDTAreal Flood AdvisoryPHICamden, Gloucester, Hunterdon, Mercer, Salem, Somerset4 hr
Jun 13, 3:36 PM EDTSmall Craft Advisory for Hazardous SeasPHI6 hr
Jun 13, 3:38 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer, Middlesex, Monmouth, Morris, Somerset and 1 more52 min
Jun 13, 3:46 PM EDTFlash Flood WarningPHIMorris, Somerset4 hr
Jun 13, 3:52 PM EDTSpecial Weather StatementPHICamden, Gloucester, Mercer, Middlesex, Salem53 min
Jun 13, 4:06 PM EDTSpecial Marine WarningPHI54 min
Jun 13, 4:18 PM EDTFlash Flood WarningPHISussex, Warren4 hr
Jun 13, 4:58 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden23 min
Jun 13, 5:04 PM EDTAreal Flood AdvisoryPHIBurlington, Camden, Cumberland, Gloucester, Mercer, Middlesex and 3 more4 hr
Jun 13, 5:08 PM EDTSpecial Weather StatementPHIMiddlesex37 min
Jun 13, 5:24 PM EDTFlash Flood WarningPHIMiddlesex4 hr
Jun 13, 5:36 PM EDTSpecial Weather StatementPHIMonmouth54 min
Jun 13, 6:24 PM EDTAreal Flood WarningPHIHunterdon4 hr
Jun 13, 6:26 PM EDTSpecial Weather StatementPHIMonmouth, Ocean94 min
Jun 13, 6:46 PM EDTCoastal Flood AdvisoryPHIAtlantic, Burlington, Cape May, Cumberland, Middlesex, Monmouth and 1 more6 hr
Jun 13, 6:55 PM EDTAreal Flood AdvisoryPHIMonmouth, Ocean4 hr

Nearby

Severe Thunderstorm Warnings in New Jersey, 2014Every severe thunderstorm warning in 2014

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.