Alert archive / New Jersey / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 20, NWS Philadelphia/Mount Holly

April 2, 20166 counties in New Jersey; Kent County, New Castle County, Delaware; Caroline County, Kent County, Queen Anne's County, Maryland

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Apr 2, 2016, 11:24 PM EDT for 6 counties in New Jersey; Kent County, New Castle County, Delaware; Caroline County, Kent County, Queen Anne's County, Maryland. It was in force for 51 min. 17 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 2, 2016, 11:24 PM EDT (03:24 UTC)
Expired: Apr 3, 2016, 12:15 AM EDT
In force: 51 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon

Counties Kent County, DE, New Castle County, DE, Caroline County, MD, Kent County, MD, Queen Anne's County, MD, Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cumberland County, NJ, Gloucester County, NJ, Salem County, NJ

The radar

The Dover AFB radar (KDOX), 69 km from the middle of the area, began a volume at 03:26 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 2, 11:35 PM EDT	TSTM WND DMG	Bridgeton, NJ	DAMAGE WAS CONCENTRATED NEAR THE WALMART ON ROUTE 77 IN BRIDGETON...WHERE SEVERAL POWER POLES AND TREES WERE FELLED.
Apr 2, 11:35 PM EDT	TSTM WND DMG	Bridgeton, NJ	ESTIMATED MAXIMUM WINDS OF 85 MPH. DAMAGE WAS CONCENTRATED ON THE WESTERN END OF SHOEMAKER LANE IN HOPWELL TOWNSHIP. NUMEROUS TREES WERE SHEARED OFF AND SOME UPROOTED. THERE WAS ALSO SUBSTANTIAL DAMAGE TO A METAL GARAGE ON SHOEMAKER LANE.
Apr 2, 11:35 PM EDT	TSTM WND DMG	Hopewell Twp, NJ	ESTIMATED MAXIMUM WINDS OF 85 MPH. DAMAGE WAS CONCENTRATED ON THE WESTERN END OF SHOEMAKER LANE IN HOPWELL TOWNSHIP. NUMEROUS TREES WERE SHEARED OFF AND SOME UPROOTED. THERE WAS ALSO SUBSTANTIAL DAMAGE TO A METAL GARAGE ON SHOEMAKER LANE.
Apr 2, 11:35 PM EDT	HAIL 0.75	South Harrison Twp, NJ	PENNY SIZE HAIL REPORTED IN SOUTH HARRISON TOWNSHIP.
Apr 2, 11:35 PM EDT	HAIL 0.75	Woolwich Twp, NJ	PENNY SIZE HAIL REPORTED IN WOOLWICH TOWNSHIP.
Apr 2, 11:40 PM EDT	TSTM WND DMG	Shiloh, NJ	TREES DOWN.
Apr 2, 11:45 PM EDT	TSTM WND DMG	Bridgeton, NJ	POLE BARN ROOF RIPPED OFF AND EXTENSIVE TREE DAMAGE
Apr 2, 11:45 PM EDT	TSTM WND DMG	Bridgeton, NJ	TOP BARN ROOF RIPPED OFF AND EXTENSIVE TREE DAMAGE
Apr 2, 11:45 PM EDT	TSTM WND DMG	Upper Deerfield Twp, NJ	SIX POWER POLES DOWN ALONG NJ-77 ACROSS FROM WALMART. A LARGE... METAL CLOTHES DONATION CONTAINER WAS BLOWN OUT OF THE WALMART PARKING LOT AND ACROSS ROUTE 77.
Apr 2, 11:45 PM EDT	TSTM WND DMG	Upper Deerfield Twp, NJ	SIX POWER POLES DOWN ALONG NJ-77 ACROSS FROM WALMART. LARGE METAL CLOTHES DONATION CONTAINER WAS BLOWN OUT OF THE WALMART PARKING LOT AND ACROSS ROUTE 77.
Apr 2, 11:45 PM EDT	TSTM WND DMG	Upper Deerfield Twp, NJ	SEVERAL LARGE TREES DOWN.
Apr 2, 11:50 PM EDT	HAIL 0.25	Lindenwold, NJ
Apr 2, 11:55 PM EDT	TSTM WND DMG	Newport, NJ	TREE LIMBS DOWN.
Apr 2, 11:55 PM EDT	TSTM WND GST 50	Newport, NJ
Apr 2, 11:55 PM EDT	HAIL 1	Newport, NJ
Apr 2, 11:58 PM EDT	HAIL 0.25	Sicklerville, NJ
Apr 3, 12:00 AM EDT	HAIL 0.75	Williamstown, NJ	HAIL RANGING FROM PEA TO PENNY SIZE.

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

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 00:00Z, 3.4 hours before the alert went out and 169 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 695 m above ground
0-6 km bulk shear: 67 kt
0-1 km storm-relative helicity: -66 m²/s²
0-3 km storm-relative helicity: -117 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

687 
WUUS51 KPHI 030324
SVRPHI
DEC001-003-MDC011-029-035-NJC001-005-007-011-015-033-030415-
/O.NEW.KPHI.SV.W.0020.160403T0324Z-160403T0415Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1124 PM EDT SAT APR 2 2016

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ  HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTH CENTRAL NEW CASTLE COUNTY IN NORTHERN DELAWARE...
  KENT COUNTY IN CENTRAL DELAWARE...
  EAST CENTRAL QUEEN ANNE'S COUNTY IN NORTHEASTERN MARYLAND...
  NORTHEASTERN CAROLINE COUNTY IN EASTERN MARYLAND...
  EASTERN KENT COUNTY IN NORTHEASTERN MARYLAND...
  CAMDEN COUNTY IN SOUTHERN NEW JERSEY...
  GLOUCESTER COUNTY IN SOUTHERN NEW JERSEY...
  WESTERN ATLANTIC COUNTY IN SOUTHERN NEW JERSEY...
  SALEM COUNTY IN SOUTHERN NEW JERSEY...
  CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY...
  CENTRAL BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...

* UNTIL 1215 AM EDT

* AT 1123 PM EDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
  THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60
  MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM NEAR
  BEAR TO NEAR PORT PENN TO NEAR STARR...AND MOVING EAST AT 55 MPH.
  PENNY SIZE HAIL MAY ALSO ACCOMPANY THE DAMAGING WINDS.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  PENNSVILLE...NEW CASTLE...HOPE CREEK...PORT PENN...DELAWARE MEMORIAL 
  BRIDGE AND WILMINGTON MANOR AROUND 1130 PM EDT. 
  CARNEYS POINT...SALEM...QUINTON...HANCOCKS BRIDGE AND NEWPORT MEADOWS 
  AROUND 1135 PM EDT. 
  WOODSTOWN...ALLOWAY...SHILOH AND SANDTOWN AROUND 1140 PM EDT. 
  SWEDESBORO...HARTLY AND HAZLETTVILLE AROUND 1145 PM EDT. 
  CAMDEN...ELMER...CHESWOLD...WOODSIDE...VIOLA...OLIVET...MULLICA HILL...
  SEABROOK FARMS AND ROSENHAYN AROUND 1150 PM EDT. 
  VINELAND...DOVER...GLASSBORO...PITMAN...DOVER BASE HOUSING...RISING 
  SUN-LEBANON...FRANKLINVILLE...RISING SUN...MALAGA AND DOVER SPEEDWAY 
  AROUND 1155 PM EDT. 
  LINDENWOLD...CLAYTON...NEWFIELD...BOWERS...TURNERSVILLE...WILLIAMSTOWN 
  AND SICKLERVILLE AROUND 1200 AM EDT. 
  VOORHEES...BERLIN...BUENA...CHESILHURST...ATCO...VICTORY LAKES...MARLTON 
  LAKES...MONROE TOWNSHIP AND ECHELON AROUND 1205 AM EDT. 

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE LITTLE
CREEK...RIVERVIEW...CLEMENTON...MEDFORD LAKES...HENDERSON...SOMERDALE...
STRATFORD...WENONAH...HI-NELLA AND GIBBSBORO.

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.

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 3948 7559 3933 7550 3937 7540 3946 7554
      3954 7555 3954 7556 3949 7559 3968 7553
      3965 7558 3970 7559 3969 7551 3999 7457
      3971 7458 3919 7499 3918 7515 3930 7527
      3918 7541 3904 7537 3897 7599
TIME...MOT...LOC 0323Z 253DEG 49KT 3962 7562 3948 7563 3901 7602 

$$

DRAG

1 follow-up statement

853 
WWUS51 KPHI 030403
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1203 AM EDT SUN APR 3 2016

MDC011-029-035-030412-
/O.CAN.KPHI.SV.W.0020.000000T0000Z-160403T0415Z/
QUEEN ANNE'S MD-CAROLINE MD-KENT MD-
1203 AM EDT SUN APR 3 2016

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL QUEEN ANNE'S...
NORTHEASTERN CAROLINE AND EASTERN KENT COUNTIES IS CANCELLED...

THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 3999 7457 3971 7458 3919 7499 3918 7515
      3930 7527 3918 7541 3904 7537 3933 7550
      3937 7540 3944 7551 3968 7553 3965 7558
      3970 7559 3969 7551
TIME...MOT...LOC 0402Z 245DEG 77KT 3988 7483 3946 7489 3934 7508 

$$

DEC001-003-NJC001-005-007-011-015-033-030415-
/O.CON.KPHI.SV.W.0020.000000T0000Z-160403T0415Z/
NEW CASTLE DE-KENT DE-CAMDEN NJ-GLOUCESTER NJ-ATLANTIC NJ-SALEM NJ-
CUMBERLAND NJ-BURLINGTON NJ-
1203 AM EDT SUN APR 3 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 AM EDT
FOR NORTHEASTERN NEW CASTLE...NORTHEASTERN KENT...CAMDEN...
GLOUCESTER...WESTERN ATLANTIC...SALEM...CUMBERLAND AND CENTRAL
BURLINGTON COUNTIES...

AT 1202 AM EDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60
MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM NEAR
MEDFORD TO NEAR MIZPAH TO NEAR LAUREL LAKE...MOVING NORTHEAST AT 80
MPH. PENNY SIZE HAIL MAY ALSO ACCOMPANY THE DAMAGING WINDS.

THESE SEVERE STORMS WILL BE NEAR...
  TABERNACLE AND LEISURETOWNE AROUND 1210 AM EDT. 
  PRESIDENTIAL LAKES ESTATES...BROWNS MILLS AND BATSTO AROUND 1215 AM 
  EDT. 

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE PINE
VALLEY...LAUREL SPRINGS...CLEMENTON...PINE HILL...MEDFORD LAKES...
SOMERDALE...STRATFORD...BLACKWOOD...CENTERTON AND WENONAH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE 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.

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS 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 3999 7457 3971 7458 3919 7499 3918 7515
      3930 7527 3918 7541 3904 7537 3933 7550
      3937 7540 3944 7551 3968 7553 3965 7558
      3970 7559 3969 7551
TIME...MOT...LOC 0402Z 245DEG 77KT 3988 7483 3946 7489 3934 7508 

$$

DRAG

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 2, 9:45 PM EDT	Special Weather Statement	PHI	Atlantic, Burlington, Camden, Cumberland, Gloucester, Mercer and 4 more	2 hr
Apr 2, 10:02 PM EDT	Special Weather Statement	PHI	Gloucester, Salem	88 min
Apr 2, 10:08 PM EDT	Special Weather Statement	PHI	Cumberland	37 min
Apr 2, 10:27 PM EDT	Special Weather Statement	PHI	Atlantic, Cumberland	33 min
Apr 2, 10:51 PM EDT	Severe Thunderstorm Warning	PHI	Gloucester, Salem	39 min
Apr 2, 11:02 PM EDT	Special Marine Warning	PHI		88 min
Apr 2, 11:09 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Gloucester, Mercer, Salem	51 min
Apr 2, 11:40 PM EDT	Special Marine Warning	PHI		65 min
Apr 2, 11:56 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Mercer, Middlesex, Monmouth, Ocean, Somerset	34 min
Apr 3, 12:08 AM EDT	Special Weather Statement	PHI	Cape May	22 min
Apr 3, 12:14 AM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Ocean	31 min
Apr 3, 12:19 AM EDT	Special Weather Statement	PHI	Union	26 min
Apr 3, 12:23 AM EDT	Special Marine Warning	PHI		52 min
Apr 3, 12:30 AM EDT	Special Marine Warning	PHI		60 min
Apr 3, 12:39 AM EDT	Special Weather Statement	PHI	Monmouth	21 min
Apr 3, 12:46 AM EDT	Severe Thunderstorm Warning	PHI	Monmouth, Ocean	14 min
Apr 3, 12:52 AM EDT	Special Weather Statement	PHI	Ocean	8 min
Apr 3, 1:12 AM EDT	Special Marine Warning	PHI		33 min
Apr 3, 5:45 AM EDT	Low Water Advisory	PHI		9 hr
Apr 3, 11:34 AM EDT	Wind Advisory	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more	4 hr
Apr 3, 11:37 AM EDT	Gale Warning	PHI		4 hr
Apr 3, 3:07 PM EDT	Low Water Advisory	PHI		113 min
Apr 3, 3:40 PM EDT	Freeze Watch	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 5 more	12 hr
Apr 3, 3:54 PM EDT	Gale Watch	PHI		12 hr
Apr 3, 3:54 PM EDT	Small Craft Advisory	PHI		5 hr

Nearby

Severe Thunderstorm Warnings in New Jersey, 2016 Severe Thunderstorm Warnings in Maryland, 2016 Severe Thunderstorm Warnings in Delaware, 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.