Alert archive / New Jersey / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 141, NWS Philadelphia/Mount Holly

July 25, 2016Morris County, Sussex County, Warren County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 25, 2016, 5:39 PM EDT for Morris County, Sussex County, Warren County, New Jersey. It was in force for 46 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 25, 2016, 5:39 PM EDT (21:39 UTC)
Expired: Jul 25, 2016, 6:25 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 Morris County, NJ, Sussex County, NJ, Warren County, NJ

The radar

The Philadelphia radar (KDIX), 120 km from the middle of the area, began a volume at 21:43 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

Time	Report	Where	Remark
Jul 25, 5:40 PM EDT	TSTM WND DMG	Stillwater Twp, NJ	LARGE TREE LIMBS DOWN. TIME ESTIMATED FROM RADAR.
Jul 25, 5:45 PM EDT	TSTM WND GST 50	4 Sw Wantage, NJ
Jul 25, 6:10 PM EDT	TSTM WND DMG	Green Pond, NJ	DOWNED TREE LIMBS AROUND THE TOWN. TIME CORRECTED AND 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.

Issued	Product	Office	Lasted
Jul 25, 12:43 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 9.7 hours before the alert went out and 132 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

088 
WUUS51 KPHI 252139
SVRPHI
NJC027-037-041-252245-
/O.NEW.KPHI.SV.W.0141.160725T2139Z-160725T2245Z/

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

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ  HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN WARREN COUNTY IN NORTHWESTERN NEW JERSEY...
  SUSSEX COUNTY IN NORTHWESTERN NEW JERSEY...
  NORTHEASTERN MORRIS COUNTY IN NORTHERN NEW JERSEY...

* UNTIL 645 PM EDT

* AT 538 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER CRANDON
  LAKES...OR NEAR NEWTON...MOVING EAST AT 35 MPH.

  HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL. FREQUENT CLOUD TO
           GROUND LIGHTNING IS OCCURRING.

  SOURCE...RADAR INDICATED. 

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

* LOCATIONS IMPACTED INCLUDE...
  NEWTON...DOVER...HOPATCONG...EAST HANOVER...LINCOLN PARK...
  KINNELON...BOONTON...BUTLER...WHARTON...ROCKAWAY...
  MOUNT ARLINGTON...FRANKLIN...MOUNTAIN LAKES...RIVERDALE...
  HAMBURG...OGDENSBURG...SUSSEX...BRANCHVILLE...
  ANDOVER AND HIGH POINT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO 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.

TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4120 7437 4110 7449 4104 7450 4105 7445
      4102 7443 4103 7442 4100 7430 4097 7428
      4092 7429 4090 7427 4091 7433 4086 7432
      4081 7435 4105 7497 4135 7468
TIME...MOT...LOC 2138Z 291DEG 30KT 4111 7483 

HAIL...0.75IN
WIND...60MPH
 
$$

GORSE

2 follow-up statements

945 
WWUS51 KPHI 252213
SVSPHI

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

NJC041-252222-
/O.CAN.KPHI.SV.W.0141.000000T0000Z-160725T2245Z/
WARREN NJ-
613 PM EDT MON JUL 25 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN WARREN COUNTY IS
CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS WEAKENED AND
MOVED OUT OF THE WARNED AREA. THEREFORE THE WARNING HAS BEEN
CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT FOR
NORTHERN AND NORTHWESTERN NEW JERSEY.

LAT...LON 4090 7427 4091 7433 4086 7432 4087 7433
      4103 7468 4126 7450 4120 7437 4110 7449
      4104 7450 4105 7445 4102 7443 4103 7442
      4100 7430 4097 7428 4092 7429
TIME...MOT...LOC 2212Z 291DEG 30KT 4101 7447 

$$

NJC027-037-252245-
/O.CON.KPHI.SV.W.0141.000000T0000Z-160725T2245Z/
SUSSEX NJ-MORRIS NJ-
613 PM EDT MON JUL 25 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR SOUTHEASTERN SUSSEX AND NORTHEASTERN MORRIS COUNTIES...

AT 612 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER GREEN
POND...OR 7 MILES SOUTHWEST OF WEST MILFORD...MOVING EAST AT 35 MPH.

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

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
LINCOLN PARK...KINNELON...BOONTON...BUTLER...FRANKLIN...RIVERDALE...
HAMBURG...OGDENSBURG...VERNON VALLEY...LAKE TELEMARK...
HIGHLAND LAKE...PEQUANNOCK TOWNSHIP...GREEN POND...
LAKE MOHAWK AND UPPER GREENWOOD LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4090 7427 4091 7433 4086 7432 4087 7433
      4103 7468 4126 7450 4120 7437 4110 7449
      4104 7450 4105 7445 4102 7443 4103 7442
      4100 7430 4097 7428 4092 7429
TIME...MOT...LOC 2212Z 291DEG 30KT 4101 7447 

HAIL...0.75IN
WIND...60MPH
 
$$

MEOLA

178 
WWUS51 KPHI 252225
SVSPHI

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

NJC027-037-252235-
/O.CAN.KPHI.SV.W.0141.000000T0000Z-160725T2245Z/
SUSSEX NJ-MORRIS NJ-
625 PM EDT MON JUL 25 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN SUSSEX AND
NORTHEASTERN MORRIS COUNTIES IS CANCELLED...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT FOR
NORTHERN AND NORTHWESTERN NEW JERSEY.

LAT...LON 4090 7427 4091 7433 4086 7432 4087 7433
      4103 7468 4126 7450 4120 7437 4110 7449
      4104 7450 4105 7445 4102 7443 4103 7442
      4100 7430 4097 7428 4092 7429
TIME...MOT...LOC 2223Z 291DEG 30KT 4097 7433 

$$

GORSE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 25, 4:46 AM EDT	Special Weather Statement	PHI	Burlington, Camden, Mercer	59 min
Jul 25, 4:54 AM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Gloucester	51 min
Jul 25, 5:27 AM EDT	Special Weather Statement	PHI	Burlington, Ocean	63 min
Jul 25, 6:17 AM EDT	Special Marine Warning	PHI		88 min
Jul 25, 7:11 AM EDT	Special Marine Warning	PHI		64 min
Jul 25, 7:59 AM EDT	Special Weather Statement	PHI	Ocean	61 min
Jul 25, 8:04 AM EDT	Special Marine Warning	PHI		56 min
Jul 25, 9:00 AM EDT	Special Marine Warning	PHI		60 min
Jul 25, 3:52 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Morris, Warren	53 min
Jul 25, 4:34 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Morris, Somerset, Sussex, Warren	56 min
Jul 25, 4:37 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Mercer, Middlesex, Somerset	38 min
Jul 25, 5:04 PM EDT	Severe Thunderstorm Warning	PHI	Sussex	41 min
Jul 25, 5:15 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Mercer, Middlesex, Somerset	45 min
Jul 25, 5:57 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Warren	48 min
Jul 25, 5:58 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Mercer, Middlesex, Monmouth	47 min
Jul 25, 6:01 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden	44 min
Jul 25, 6:04 PM EDT	Special Marine Warning	PHI		56 min
Jul 25, 6:17 PM EDT	Flash Flood Warning	PHI	Mercer, Middlesex, Monmouth, Somerset	4 hr
Jul 25, 6:39 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Mercer, Middlesex, Monmouth, Somerset	40 min
Jul 25, 6:43 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Ocean	62 min
Jul 25, 6:54 PM EDT	Special Marine Warning	PHI		66 min
Jul 25, 6:55 PM EDT	Areal Flood Advisory	PHI	Burlington	2 hr
Jul 25, 7:12 PM EDT	Special Weather Statement	PHI	Burlington, Camden, Ocean	63 min
Jul 25, 7:17 PM EDT	Flash Flood Warning	PHI	Burlington, Camden	4 hr
Jul 25, 7:53 PM EDT	Special Weather Statement	PHI	Atlantic	37 min
Jul 25, 7:58 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Ocean	44 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2016 Every 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.