Alert archive / New Jersey / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 79, NWS Philadelphia/Mount Holly

July 1, 2016Cumberland County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 1, 2016, 4:58 PM EDT for Cumberland 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 1, 2016, 4:58 PM EDT (20:58 UTC)
Expired: Jul 1, 2016, 5:45 PM EDT
In force: 47 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Tornado: Possible
Hail: 1.0 in
Wind: 60.0 mph

County Cumberland County, NJ

The radar

The Dover AFB radar (KDOX), 73 km from the middle of the area, began a volume at 21:01 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 1, 5:04 PM EDT	TSTM WND GST 46	Millville Muni Airport, NJ

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

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 9.0 hours before the alert went out and 166 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: 1210 J/kg
Mixed-layer CIN: -34 J/kg
Mixed-layer LCL: 766 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 15 m²/s²
0-3 km storm-relative helicity: 54 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.5

Open this sounding in Storm Lab

The text

As transmitted.

403 
WUUS51 KPHI 012058
SVRPHI
NJC011-012145-
/O.NEW.KPHI.SV.W.0079.160701T2058Z-160701T2145Z/

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

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ  HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY...

* UNTIL 545 PM EDT

* AT 458 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER MILLVILLE...
  MOVING NORTHEAST AT 20 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...
  VINELAND...MILLVILLE...CUMBERLAND...
  LAUREL LAKE AND SOUTH VINELAND. 

THIS STORM COULD PRODUCE A TORNADO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3931 7512 3939 7517 3951 7498 3940 7486
      3939 7485 3939 7487
TIME...MOT...LOC 2058Z 242DEG 19KT 3937 7509 

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

AMC

1 follow-up statement

254 
WWUS51 KPHI 012128
SVSPHI

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

NJC011-012145-
/O.CON.KPHI.SV.W.0079.000000T0000Z-160701T2145Z/
CUMBERLAND NJ-
528 PM EDT FRI JUL 1 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR NORTHEASTERN CUMBERLAND COUNTY...

AT 528 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR VINELAND...
MOVING NORTHEAST 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...
VINELAND...MILLVILLE AND SOUTH VINELAND. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3939 7487 3936 7501 3941 7511 3951 7498
      3940 7486 3939 7485
TIME...MOT...LOC 2128Z 241DEG 15KT 3943 7495 

TORNADO...POSSIBLE
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, 2:19 PM EDT	Severe Thunderstorm Warning	PHI	Mercer, Middlesex, Monmouth	41 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, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.