Alert archive / New Jersey / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 162, NWS Philadelphia/Mount Holly

July 30, 2016Morris County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 30, 2016, 3:03 PM EDT for Morris County, New Jersey. It was in force for 47 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: Jul 30, 2016, 3:03 PM EDT (19:03 UTC)
Expired: Jul 30, 2016, 3:50 PM EDT
In force: 47 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Morris County, NJ

The radar

The Philadelphia radar (KDIX), 112 km from the middle of the area, began a volume at 19:04 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 30, 3:05 PM EDT	TSTM WND DMG	Littleton, NJ	TREES DOWN AT THE INTERSECTION OF ROUTE 202 AND ROUTE 10 IN MORRIS PLAINS.

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, 7.1 hours before the alert went out and 129 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: 176 J/kg
Mixed-layer CIN: -67 J/kg
Mixed-layer LCL: 858 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: -7 m²/s²
0-3 km storm-relative helicity: 7 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

133 
WUUS51 KPHI 301903
SVRPHI
NJC027-302015-
/O.NEW.KPHI.SV.W.0162.160730T1903Z-160730T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
303 PM EDT SAT JUL 30 2016

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ  HAS ISSUED A

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

* UNTIL 415 PM EDT

* AT 303 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER MORRIS
  PLAINS...OR NEAR MORRISTOWN...MOVING NORTH AT 15 MPH.

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

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  MORRISTOWN...DOVER...MADISON...LINCOLN PARK...KINNELON...BOONTON...
  BUTLER...ROCKAWAY...MORRIS PLAINS...MOUNTAIN LAKES...RIVERDALE...
  VICTORY GARDENS...LAKE TELEMARK...PARSIPPANY...
  PEQUANNOCK TOWNSHIP...GREEN POND...
  WHITE MEADOW LAKE AND HANOVER TOWNSHIP.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 4092 7428 4090 7429 4091 7433 4087 7433
      4074 7444 4078 7456 4106 7454 4108 7450
      4108 7449 4104 7450 4105 7445 4103 7442
      4100 7430 4097 7428
TIME...MOT...LOC 1903Z 196DEG 12KT 4083 7446 

HAIL...1.00IN
WIND...60MPH
 
$$

ROBERTSON

2 follow-up statements

945 
WWUS51 KPHI 301924
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
324 PM EDT SAT JUL 30 2016

NJC027-302015-
/O.CON.KPHI.SV.W.0162.000000T0000Z-160730T2015Z/
MORRIS NJ-
324 PM EDT SAT JUL 30 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR NORTHEASTERN MORRIS COUNTY...

AT 324 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER KINNELON...OR
7 MILES SOUTHWEST OF POMPTON LAKES...MOVING NORTH AT 20 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
DOVER...LINCOLN PARK...KINNELON...BOONTON...BUTLER...ROCKAWAY...
MOUNTAIN LAKES...RIVERDALE...VICTORY GARDENS...LAKE TELEMARK...
PEQUANNOCK TOWNSHIP...GREEN POND AND WHITE MEADOW LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

IN ADDITION TO 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 4092 7428 4090 7429 4091 7433 4087 7433
      4087 7455 4106 7454 4108 7450 4108 7449
      4104 7450 4105 7445 4103 7442 4100 7430
      4097 7428
TIME...MOT...LOC 1924Z 197DEG 19KT 4096 7441 

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

ROBERTSON

426 
WWUS51 KPHI 301950
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
350 PM EDT SAT JUL 30 2016

NJC027-301959-
/O.CAN.KPHI.SV.W.0162.000000T0000Z-160730T2015Z/
MORRIS NJ-
350 PM EDT SAT JUL 30 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MORRIS COUNTY IS
CANCELLED...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS AND WILL MOVE OUT OF THE AREA SOON...AND NO LONGER POSE AN
IMMEDIATE THREAT TO LIFE OR PROPERTY. THEREFORE THE WARNING HAS BEEN
CANCELLED.  HOWEVER GUSTY WINDS AND HEAVY RAIN ARE STILL POSSIBLE
WITH THIS THUNDERSTORM.

LAT...LON 4092 7428 4090 7429 4091 7433 4087 7433
      4087 7455 4106 7454 4108 7450 4108 7449
      4104 7450 4105 7445 4103 7442 4100 7430
      4097 7428
TIME...MOT...LOC 1946Z 196DEG 12KT 4104 7438 

$$

ROBERTSON

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 30, 1:55 PM EDT	Special Weather Statement	PHI	Hunterdon	50 min
Jul 30, 2:34 PM EDT	Areal Flood Advisory	PHI	Middlesex, Monmouth	4 hr
Jul 30, 2:40 PM EDT	Special Weather Statement	PHI	Morris	35 min
Jul 30, 2:59 PM EDT	Areal Flood Advisory	PHI	Hunterdon, Warren	4 hr
Jul 30, 3:06 PM EDT	Areal Flood Advisory	PHI	Mercer, Middlesex, Somerset	4 hr
Jul 30, 3:34 PM EDT	Areal Flood Advisory	PHI	Mercer, Middlesex	4 hr
Jul 30, 3:45 PM EDT	Areal Flood Advisory	PHI	Morris, Sussex	4 hr
Jul 30, 3:49 PM EDT	Special Weather Statement	PHI	Mercer, Middlesex	26 min
Jul 30, 3:58 PM EDT	Flash Flood Warning	PHI	Mercer, Middlesex, Somerset	7 hr
Jul 30, 4:37 PM EDT	Flash Flood Warning	PHI	Middlesex	6 hr
Jul 30, 6:26 PM EDT	Flash Flood Warning Emergency	PHI	Mercer	4 hr

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.