Alert archive / New Jersey / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 26, NWS Philadelphia/Mount Holly

April 7, 2016Atlantic County, Cape May County, Cumberland County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Apr 7, 2016, 7:08 PM EDT for Atlantic County, Cape May County, Cumberland County, New Jersey. It was in force for 37 min. 2 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: Apr 7, 2016, 7:08 PM EDT (23:08 UTC)
Expired: Apr 7, 2016, 7:45 PM EDT
In force: 37 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon

Counties Atlantic County, NJ, Cape May County, NJ, Cumberland County, NJ

The radar

The Dover AFB radar (KDOX), 69 km from the middle of the area, began a volume at 23:12 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
Apr 7, 7:12 PM EDT	TSTM WND GST 47	Fortescue, NJ
Apr 7, 7:29 PM EDT	MARINE TSTM WIND 45	Cape May, NJ	39 KNOT GUST.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 11.1 hours before the alert went out and 110 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: 32 J/kg
Mixed-layer CIN: -33 J/kg
Mixed-layer LCL: 605 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 299 m²/s²
0-3 km storm-relative helicity: 259 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

164 
WUUS51 KPHI 072308
SVRPHI
NJC001-009-011-072345-
/O.NEW.KPHI.SV.W.0026.160407T2308Z-160407T2345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
708 PM EDT THU APR 7 2016

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ  HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CAPE MAY COUNTY IN SOUTHERN NEW JERSEY...
  SOUTHWESTERN ATLANTIC COUNTY IN SOUTHERN NEW JERSEY...
  CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY...

* UNTIL 745 PM EDT

* AT 706 PM EDT...DOPPLER RADAR INDICATED A LINE OF VERY HEAVY
  SHOWERS AND EMBEDDED SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
  AREAS OF DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM GREENWICH TO 6 MILES SOUTH OF
  FORTESQUE TO 8 MILES EAST OF BIG STONE BEACH TO CAPE HENLOPEN
  STATE PARK...AND MOVING NORTHEAST AT 50 MPH.

  LITTLE TO NO LIGHTNING MAY OCCUR WITH THIS LINE.

* LOCATIONS IMPACTED INCLUDE...
  VINELAND...MILLVILLE...BRIDGETON...OCEAN CITY...CAPE MAY...CUMBERLAND...
  PLEASANTVILLE...SOMERS POINT...VENTNOR CITY...NORTHFIELD...MARGATE
  CITY...BUENA...EGG HARBOR CITY...NORTH WILDWOOD...LAUREL LAKE...WILDWOOD
  CREST...WEYMOUTH...WOODBINE...SEA ISLE CITY AND ESTELL MANOR.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...LARGE HAIL...DEADLY
LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION...MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.

THIS LINE OF SEVERE THUNDERSTORM MAY CONTAIN LITTLE OR NO LIGHTNING.
DO NOT WAIT UNTIL YOU HEAR THUNDER BEFORE TAKING COVER.

&&

LAT...LON 3930 7455 3933 7468 3927 7459 3918 7467
      3919 7471 3917 7468 3899 7479 3894 7486
      3893 7497 3917 7490 3919 7503 3922 7503
      3918 7515 3924 7517 3939 7542 3948 7511
      3946 7508 3962 7471 3933 7449
TIME...MOT...LOC 2306Z 241DEG 45KT 3938 7533 3915 7517 3899 7518 3881
7512

$$

GORSE

1 follow-up statement

815 
WWUS51 KPHI 072321
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
721 PM EDT THU APR 7 2016

NJC001-009-011-072345-
/O.CON.KPHI.SV.W.0026.000000T0000Z-160407T2345Z/
CAPE MAY NJ-ATLANTIC NJ-CUMBERLAND NJ-
721 PM EDT THU APR 7 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT
FOR CAPE MAY...SOUTHWESTERN ATLANTIC AND CUMBERLAND COUNTIES...

AT 719 PM EDT...DOPPLER RADAR INDICATED A LINE OF VERY HEAVY SHOWERS
WITH EMBEDDED SEVERE THUNDERSTORMS CAPABLE OF PRODUCING AREAS OF
DAMAGING WINDS IN EXCESS OF 60 MPH. THESE WERE LOCATED ALONG A LINE
EXTENDING FROM ROSENHAYN TO BIVALVE TO 6 MILES WEST OF GREEN CREEK
TO NEAR WEST CAPE MAY... MOVING NORTHEAST AT 50 MPH.

THE STRONG WINDS MAY NOT BE ACCOMPANIED BY LIGHTNING AND THUNDER.

LOCATIONS IMPACTED INCLUDE...
VINELAND...MILLVILLE...BRIDGETON...OCEAN CITY...CAPE MAY...CUMBERLAND...
PLEASANTVILLE...SOMERS POINT...VENTNOR CITY...NORTHFIELD...MARGATE CITY...
BUENA...EGG HARBOR CITY...NORTH WILDWOOD...LAUREL LAKE...WILDWOOD CREST...
WEYMOUTH...WOODBINE...SEA ISLE CITY AND ESTELL MANOR.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...LARGE HAIL...DEADLY
LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.

&&

LAT...LON 3930 7455 3933 7468 3927 7459 3918 7467
      3919 7471 3917 7468 3899 7479 3894 7486
      3893 7497 3917 7490 3919 7503 3922 7503
      3918 7515 3924 7517 3942 7528 3948 7511
      3946 7508 3962 7471 3933 7449
TIME...MOT...LOC 2319Z 239DEG 43KT 3946 7517 3923 7501 3907 7502 3889
7496

$$

GORSE

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 6, 8:07 PM EDT	Coastal Flood Advisory	PHI	Salem	5 hr
Apr 7, 3:30 AM EDT	Wind Advisory	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 3 more	12 hr
Apr 7, 3:41 AM EDT	Gale Warning	PHI		14 hr
Apr 7, 12:22 PM EDT	Special Weather Statement	PHI	Camden, Cumberland, Gloucester, Salem	38 min
Apr 7, 1:06 PM EDT	Special Weather Statement	PHI	Burlington, Camden, Gloucester	54 min
Apr 7, 1:34 PM EDT	Special Weather Statement	PHI	Hunterdon, Morris, Somerset, Sussex, Warren	56 min
Apr 7, 1:49 PM EDT	Special Weather Statement	PHI	Middlesex	56 min
Apr 7, 3:33 PM EDT	Small Craft Advisory	PHI		33 hr
Apr 7, 3:51 PM EDT	Special Marine Warning	PHI		39 min
Apr 7, 3:56 PM EDT	Special Weather Statement	PHI	Cape May	49 min
Apr 7, 4:24 PM EDT	Special Marine Warning	PHI		51 min
Apr 7, 6:42 PM EDT	Special Marine Warning	PHI		48 min
Apr 7, 7:29 PM EDT	Special Marine Warning	PHI		46 min
Apr 7, 7:40 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Ocean	50 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.