Alert archive / New Jersey / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 147, NWS Philadelphia/Mount Holly

September 16, 20104 counties in New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Sep 16, 2010, 5:41 PM EDT for 4 counties in New Jersey. It was in force for 64 min. 5 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
Sep 16, 2010, 5:41 PM EDT (21:41 UTC)
Expired
Sep 16, 2010, 6:45 PM EDT
In force
64 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon

Counties Burlington County, NJ, Camden County, NJ, Monmouth County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 22 km from the middle of the area, began a volume at 21:44 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

TimeReportWhereRemark
Sep 16, 5:43 PM EDTTSTM WND GST 55Mount Holly, NJ55 MPH WIND GUST MEASURED AT SOUTH JERSEY REGIONAL AIRPORT.
Sep 16, 5:45 PM EDTTSTM WND DMG1 Nnw Leisuretowne, NJPOWER POLE DOWN IN SOUTHAMPTON TOWNSHIP. ANEMOMETER BROKEN BEFORE WIND COULD BE MEASURED, BUT TRAINED SPOTTER ESTIMATED WIND GUST AT 60 MPH.
Sep 16, 6:04 PM EDTTSTM WND DMG2 Sw Woodruff, NJ9 TO 10 HOUSES DAMAGED IN PLUMSTED TOWNSHIP ALONG WITH AN ESTIMATED 300 TREES DOWN. TELEPHONE POLES ALSO BENT AND SNAPPED. MUCH OF THE DAMAGE REPORTED ALONG LONG SWAMP ROAD, COLLIERS MILLS ROAD, ROUTE 539, AND NEAR THE NEW EGYPT SPEEDWAY.
Sep 16, 6:05 PM EDTTORNADO 12 Sw Woodruff, NJTHREE TO FOUR HOUSES DAMAGED IN PLUMSTED TOWNSHIP ALONG WITH NUMEROUS TREE TRUNKS SNAPPED. A FEW TELEPHONE POLES ALSO BENT AND SNAPPED. MUCH OF THE DAMAGE REPORTED ALONG LONG SWAMP ROAD, COLLIERS MILLS ROAD AND COUNTY ROUTE 539. PATH LENGTH 2 MILES, WIDTH 250
Sep 16, 6:12 PM EDTTSTM WND GST 61Lakehurst, NJ61 MPH WIND GUST MEASURED AT LAKEHURST NAS.

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, 9.7 hours before the alert went out and 140 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-pSkew-T log-p diagram, Phillips Aaf/Abe, MD at 12:00Z on 2010-09-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Phillips Aaf/Abe, MD at 12:00Z on 2010-09-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 207 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
735 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
207 m²/s²
0-3 km storm-relative helicity
361 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

855 
WUUS51 KPHI 162141
SVRPHI
NJC005-007-025-029-162245-
/O.NEW.KPHI.SV.W.0147.100916T2141Z-100916T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
541 PM EDT THU SEP 16 2010

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN MONMOUTH COUNTY IN CENTRAL NEW JERSEY...
  NORTHERN BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...
  NORTHWESTERN CAMDEN COUNTY IN SOUTHERN NEW JERSEY...
  NORTHWESTERN OCEAN COUNTY IN SOUTHERN NEW JERSEY...

* UNTIL 645 PM EDT

* AT 535 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS TO
  60 MPH. THIS STORM WAS LOCATED NEAR MARLTON...OR 9 MILES EAST
  OF CAMDEN...AND MOVING EAST AT 55 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  LUMBERTON...MEDFORD AND MOUNT HOLLY AROUND 545 PM EDT...
  PEMBERTON...LEISURETOWNE AND JOBSTOWN AROUND 550 PM EDT...
  BROWNS MILLS...WRIGHTSTOWN AND PRESIDENTIAL LAKES AROUND 555 PM
  EDT...
  WOODRUFF AROUND 605 PM EDT...

THIS WARNING IS TO ACCOUNT FOR THE NORTHERN PART OF THE THUNDERSTORM
CLUSTER THAT IS PRODUCING DAMAGING WINDS AND ADJACENT TO A PREVIOUSLY
ISSUED WARNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE 
IMMEDIATELY FOR DAMAGING WINDS AND DEADLY CLOUD TO GROUND LIGHTNING. 
PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG 
BUILDING BUT AWAY FROM WINDOWS.

IN ADDITION TO DAMAGING WINDS...FREQUENT CLOUD TO GROUND 
LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY! 
LIGHTNING IS ONE OF NATURES GREATEST KILLERS. REMEMBER...IF YOU CAN 
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

&&

LAT...LON 4013 7459 4022 7428 3994 7423 3985 7505
      3996 7512
TIME...MOT...LOC 2139Z 255DEG 47KT 3992 7487

$$

GORSE
1 follow-up statement
943 
WWUS51 KPHI 162225
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
625 PM EDT THU SEP 16 2010

NJC007-162231-
/O.CAN.KPHI.SV.W.0147.000000T0000Z-100916T2245Z/
CAMDEN NJ-
625 PM EDT THU SEP 16 2010

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN CAMDEN COUNTY IS
CANCELLED...

THE EARLIER THUNDERSTORM THAT PROMPTED THE WARNING HAS MOVED INTO 
OCEAN COUNTY, THEREFORE THIS PARTICULAR WARNING HAS BEEN CANCELLED.

LAT...LON 3994 7455 4016 7447 4022 7428 3994 7423
TIME...MOT...LOC 2221Z 255DEG 47KT 4006 7418

$$

NJC005-025-029-162245-
/O.CON.KPHI.SV.W.0147.000000T0000Z-100916T2245Z/
MONMOUTH NJ-OCEAN NJ-BURLINGTON NJ-
625 PM EDT THU SEP 16 2010

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR EAST CENTRAL BURLINGTON...NORTHWESTERN OCEAN AND SOUTH CENTRAL
MONMOUTH COUNTIES...

AT 622 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS 
OF 60 TO 70 MPH. THIS STORM WAS LOCATED NEAR CEDAR GLEN WEST...OR 7 
MILES NORTH OF TOMS RIVER...MOVING EAST AT 55 MPH.

AT 612 PM, A 61 MPH WIND GUST WAS MEASURED AT LAKEHURST, NEW JERSEY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE 
IMMEDIATELY FOR DAMAGING WINDS AND DEADLY CLOUD TO GROUND LIGHTNING. 
PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG 
BUILDING BUT AWAY FROM WINDOWS.

IN ADDITION TO DAMAGING WINDS...FREQUENT CLOUD TO GROUND LIGHTNING 
IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY! LIGHTNING IS 
ONE OF NATURES NUMBER ONE KILLERS. REMEMBER...IF YOU CAN HEAR 
THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

&&

LAT...LON 3994 7455 4016 7447 4022 7428 3994 7423
TIME...MOT...LOC 2221Z 255DEG 47KT 4006 7418

$$

GORSE

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 16, 3:46 PM EDTSpecial Weather StatementPHIMorris44 min
Sep 16, 4:36 PM EDTSevere Thunderstorm WarningPHICumberland, Gloucester, Salem54 min
Sep 16, 4:47 PM EDTSpecial Weather StatementPHIMercer, Middlesex, Somerset43 min
Sep 16, 4:55 PM EDTSevere Thunderstorm WarningPHIBurlington, Hunterdon, Mercer, Middlesex, Monmouth, Morris and 1 more80 min
Sep 16, 5:14 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Cumberland, Gloucester, Salem61 min
Sep 16, 5:37 PM EDTSpecial Marine WarningPHI83 min
Sep 16, 6:09 PM EDTTornado WarningPHIMonmouth, Ocean36 min
Sep 16, 6:18 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Cumberland, Gloucester, Monmouth and 2 more42 min
Sep 16, 6:21 PM EDTSpecial Marine WarningPHI84 min
Sep 16, 6:57 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Cape May, Cumberland, Ocean50 min
Sep 16, 6:58 PM EDTSpecial Marine WarningPHI92 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2010Every severe thunderstorm warning in 2010

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.