Alert archive / New Jersey / Special Weather Statements in 2016

Special Weather Statement, NWS Philadelphia/Mount Holly

April 2, 201610 counties in New Jersey; 6 counties in Pennsylvania; Cecil County, Maryland

NWS Philadelphia/Mount Holly issued this special weather statement at Apr 2, 2016, 9:45 PM EDT for 10 counties in New Jersey; 6 counties in Pennsylvania; Cecil County, Maryland. It was in force for 2 hr. 29 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, 9:45 PM EDT (01:45 UTC)
Expired: Apr 2, 2016, 11:45 PM EDT
In force: 2 hr
Issued by: NWS Philadelphia/Mount Holly

Counties Cecil County, MD, Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cumberland County, NJ, Gloucester County, NJ, Mercer County, NJ, Middlesex County, NJ, Ocean County, NJ, Salem County, NJ, Somerset County, NJ, Berks County, PA, Bucks County, PA, Chester County, PA, Delaware County, PA, Montgomery County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 61 km from the middle of the area, began a volume at 01:48 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, 10:50 PM EDT	HAIL 0.25	Northfield, NJ
Apr 2, 10:54 PM EDT	HAIL 0.25	Estell Manor, NJ	PEA SIZE HAIL COVERNG THE GROUND.
Apr 2, 10:55 PM EDT	TSTM WND GST 51	Chester County Airport, PA
Apr 2, 10:55 PM EDT	HAIL 0.5	North East, MD
Apr 2, 11:05 PM EDT	HAIL 0.25	Elkton, MD
Apr 2, 11:07 PM EDT	TSTM WND DMG	West Chester, PA	TREES DOWN AND ELECTRIC TRANSFORMERS EXPLODED.
Apr 2, 11:15 PM EDT	TSTM WND GST 53	West Grove, PA
Apr 2, 11:20 PM EDT	HAIL 0.25	Media, PA
Apr 2, 11:22 PM EDT	HAIL 0.75	Upper Darby, PA	PENNY SIZE HAIL REPORTED IN UPPER DARBY.
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, 11:45 PM EDT	TSTM WND GST 59	Ne Philadelphia Airport, PA
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	TSTM WND GST 52	Marlton, NJ
Apr 2, 11:55 PM EDT	TSTM WND GST 55	East Amwell Twp, NJ	WIND GUSTS OF 45 TO 55 MPH WITH SQUALL.
Apr 2, 11:55 PM EDT	HAIL 0.25	Westampton Twp, NJ
Apr 2, 11:55 PM EDT	HAIL 1	Newport, NJ
Apr 2, 11:55 PM EDT	MARINE TSTM WIND 39	Brick Twp, NJ

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, 1.8 hours before the alert went out and 213 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.

540 
WWUS81 KPHI 030145
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
945 PM EDT SAT APR 2 2016
 
DEZ001-002-MDZ008-012-015-NJZ009-010-012-013-015>027-PAZ060>062-070-
071-101>106-030345-
KENT-NEW CASTLE-QUEEN ANNE'S-CECIL-KENT-SOMERSET-WESTERN
MONMOUTH-COASTAL OCEAN-COASTAL ATLANTIC-CAPE
MAY-ATLANTIC-HUNTERDON-MERCER-CAMDEN-OCEAN-SALEM-CUMBERLAND-ATLANTIC
COASTAL CAPE MAY-SOUTHEASTERN BURLINGTON-MIDDLESEX-NORTHWESTERN
BURLINGTON-GLOUCESTER-NORTHAMPTON-PHILADELPHIA-LEHIGH-BERKS-WESTERN
MONTGOMERY-WESTERN CHESTER-EASTERN MONTGOMERY-LOWER BUCKS-EASTERN
CHESTER-DELAWARE-UPPER BUCKS-
945 PM EDT SAT APR 2 2016

...A BAND OF SHOWERS AND ISOLATED EMBEDDED THUNDERSTORMS WITH GUSTS
OVER 50 MPH WILL RACE ACROSS PORTIONS OF SOUTHEASTERN PENNSYLVANIA,
EASTERN MARYLAND, DELAWARE AND SOUTHERN NEW JERSEY LATE
THIS EVENING...

AT 941 PM EDT...A LINE OF SHOWERS WITH AN EMBEDDED THUNDERSTORM OR
TWO WAS ALONG A LINE EXTENDING FROM NEAR ROCKVILLE TO NEAR GLEN ROCK
TO NEAR SYKESVILLE...AND MOVING EAST AT 60 TO 70 MPH.

WIND GUSTS UP TO 55 MPH ARE POSSIBLE WITH THESE SHOWERS.

THESE SHOWERS WILL BE NEAR...
  NEWMANSTOWN AROUND 1010 PM EDT. 
  WOMELSDORF...ROBESONIA...BERNVILLE...MOUNT VERNON AND GLEN ROY AROUND 
  1015 PM EDT. 
  OXFORD...SINKING SPRING...PARKESBURG...WERNERSVILLE...NEWTOWN...
  HOMEVILLE...FAIRVIEW HGTS AND COCHRANVILLE AROUND 1020 PM EDT. 
  READING...WYOMISSING...LAURELDALE...WEST GROVE...LEESPORT...
  SHOEMAKERSVILLE...BETTERTON...SPRING RIDGE AND KEMBLESVILLE AROUND 
  1025 PM EDT. 
  KENNETT SQUARE...FLEETWOOD...HOCKESSIN...NORTH STAR...LADENBERG AND 
  PIKE CREEK AROUND 1030 PM EDT. 
  WEST CHESTER...TOPTON...LYONS...ASHLAND...GREENVILLE AND MARSHALLTON 
  AROUND 1035 PM EDT. 
  WILMINGTON...WESTTOWN...BALLY...BECHTELSVILLE...ARDEN...CONCORDVILLE...
  ELAM...CHELSEA...CHEYNEY AND TALLEYVILLE AROUND 1040 PM EDT. 
  CHESTER...EMMAUS...EAST GREENVILLE...CHESTER TOWNSHIP...ZIONSVILLE...
  GERYVILLE...LIMA...NETHER PROVIDENCE TOWNSHIP...BROOMALL AND NEWTOWN 
  SQUARE AROUND 1045 PM EDT. 

OTHER LOCATIONS IMPACTED BY THESE SHOWERS INCLUDE SPRINGFIELD...ST.
LAWRENCE...WEST CONSHOHOCKEN...MONTGOMERYVILLE...SELLERSVILLE...CORNWELLS
HEIGHTS-EDDINGTON...COLLINGSWOOD...LORANE...FORT DIX AND TROOPER.

THESE SHOWERS MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO
AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

LAT...LON 4060 7421 4050 7428 4045 7418 3996 7410
      3996 7408 3954 7439 3956 7441 3934 7447
      3928 7524 3929 7525 3946 7554 3962 7557
      3972 7551 3924 7623 3952 7598 3972 7623
      3976 7606 4014 7588 4047 7641
TIME...MOT...LOC 0141Z 265DEG 60KT 4038 7688 3980 7678 3928 7697 
$$

DRAG

The office that day

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

Issued	Product	Office	Counties	Lasted
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, 11:24 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Camden, Cumberland, Gloucester, 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

Special Weather Statements in New Jersey, 2016 Special Weather Statements in Pennsylvania, 2016 Special Weather Statements in Maryland, 2016 Every special weather statement 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.