Alert archive / New Jersey / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 74, NWS Philadelphia/Mount Holly

July 1, 2016Mercer County, Middlesex County, Monmouth County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 1, 2016, 2:19 PM EDT for Mercer County, Middlesex County, Monmouth County, New Jersey. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 1, 2016, 2:19 PM EDT (18:19 UTC)
Expired: Jul 1, 2016, 3:00 PM EDT
In force: 41 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ

The radar

The Philadelphia radar (KDIX), 36 km from the middle of the area, began a volume at 18:18 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.

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 1, 1:56 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 6.3 hours before the alert went out and 168 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: 97 J/kg
Mixed-layer CIN: -57 J/kg
Mixed-layer LCL: 971 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 54 m²/s²
0-3 km storm-relative helicity: 122 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

As transmitted.

836 
WUUS51 KPHI 011819
SVRPHI
NJC021-023-025-011900-
/O.NEW.KPHI.SV.W.0074.160701T1819Z-160701T1900Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
219 PM EDT FRI JUL 1 2016

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ  HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN MERCER COUNTY IN CENTRAL NEW JERSEY...
  WEST CENTRAL MONMOUTH COUNTY IN CENTRAL NEW JERSEY...
  SOUTHWESTERN MIDDLESEX COUNTY IN NORTHERN NEW JERSEY...

* UNTIL 300 PM EDT

* AT 219 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER WHITE
  HORSE... OR OVER TRENTON...MOVING NORTHEAST AT 25 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...
  TRENTON...MANALAPAN...EWING...JAMESBURG...HIGHTSTOWN...CRANBURY...
  ALLENTOWN...ROOSEVELT...WHITE HORSE...TWIN RIVERS...WHITTINGHAM...
  PLAINSBORO CENTER...CLEARBROOK PARK...PRINCETON MEADOWS...
  WINDSOR...MERCERVILLE-HAMILTON SQUARE...EDINBURG...DAYTON...
  ROSSMOOR AND CONCORDIA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4016 7467 4019 7470 4016 7471 4015 7472
      4018 7475 4022 7477 4024 7481 4039 7446
      4023 7434
TIME...MOT...LOC 1819Z 241DEG 22KT 4021 7471 

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

AMC

1 follow-up statement

333 
WWUS51 KPHI 011841
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
241 PM EDT FRI JUL 1 2016

NJC021-023-025-011900-
/O.CON.KPHI.SV.W.0074.000000T0000Z-160701T1900Z/
MERCER NJ-MONMOUTH NJ-MIDDLESEX NJ-
241 PM EDT FRI JUL 1 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM EDT
FOR SOUTHEASTERN MERCER...WEST CENTRAL MONMOUTH AND SOUTH CENTRAL
MIDDLESEX COUNTIES...

AT 240 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER WINDSOR...OR
10 MILES EAST OF TRENTON...MOVING NORTHEAST AT 25 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...
MANALAPAN...JAMESBURG...HIGHTSTOWN...CRANBURY...ROOSEVELT...
TWIN RIVERS...WHITTINGHAM...CLEARBROOK PARK...WINDSOR...EDINBURG...
CONCORDIA AND ROSSMOOR.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4019 7462 4026 7465 4035 7444 4023 7434
TIME...MOT...LOC 1840Z 246DEG 21KT 4025 7455 

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

AMC

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 1, 1:37 AM EDT	Areal Flood Advisory	PHI	Cape May	4 hr
Jul 1, 2:25 AM EDT	Special Marine Warning	PHI		65 min
Jul 1, 11:55 AM EDT	Special Marine Warning	PHI		2 hr
Jul 1, 2:03 PM EDT	Special Weather Statement	PHI	Mercer, Middlesex	27 min
Jul 1, 2:57 PM EDT	Severe Thunderstorm Warning	PHI	Monmouth	48 min
Jul 1, 3:05 PM EDT	Severe Thunderstorm Warning	PHI	Cumberland	40 min
Jul 1, 3:33 PM EDT	Special Weather Statement	PHI	Hunterdon, Morris, Somerset, Sussex, Warren	57 min
Jul 1, 3:55 PM EDT	Severe Thunderstorm Warning	PHI	Burlington	35 min
Jul 1, 4:09 PM EDT	Special Weather Statement	PHI	Monmouth	36 min
Jul 1, 4:36 PM EDT	Flash Flood Warning	PHI	Monmouth	4 hr
Jul 1, 4:36 PM EDT	Special Weather Statement	PHI	Morris	39 min
Jul 1, 4:50 PM EDT	Areal Flood Advisory	PHI	Atlantic, Cumberland	3 hr
Jul 1, 4:58 PM EDT	Severe Thunderstorm Warning	PHI	Cumberland	47 min
Jul 1, 5:14 PM EDT	Flash Flood Warning	PHI	Cumberland	4 hr
Jul 1, 5:32 PM EDT	Special Weather Statement	PHI	Atlantic	43 min
Jul 1, 5:37 PM EDT	Small Craft Advisory	PHI		2 hr
Jul 1, 5:37 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic	38 min
Jul 1, 6:14 PM EDT	Special Weather Statement	PHI	Atlantic	61 min
Jul 1, 6:20 PM EDT	Flash Flood Warning	PHI	Atlantic, Burlington, Cumberland, Ocean	4 hr
Jul 1, 6:34 PM EDT	Special Weather Statement	PHI	Monmouth	26 min
Jul 1, 6:37 PM EDT	Special Marine Warning	PHI		53 min
Jul 1, 6:50 PM EDT	Areal Flood Advisory	PHI	Sussex, Warren	4 hr
Jul 1, 7:18 PM EDT	Special Weather Statement	PHI	Warren	27 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.