Alert archive / New Jersey / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 77, NWS Philadelphia/Mount Holly

June 24, 20104 counties in New Jersey; Bucks County, Pennsylvania

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 24, 2010, 3:13 PM EDT for 4 counties in New Jersey; Bucks County, Pennsylvania. It was in force for 62 min. 11 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: Jun 24, 2010, 3:13 PM EDT (19:13 UTC)
Expired: Jun 24, 2010, 4:15 PM EDT
In force: 62 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon

Counties Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Salem County, NJ, Bucks County, PA

The radar

The Philadelphia radar (KDIX), 64 km from the middle of the area, began a volume at 19:15 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
Jun 24, 3:35 PM EDT	TSTM WND DMG	Haddon Heights, NJ	TREES DOWN IN HADON HEIGHTS
Jun 24, 3:40 PM EDT	TSTM WND GST 60	5 W Springdale, NJ	WIND GUSTS ESTIMATED TO 60 MPH.
Jun 24, 3:45 PM EDT	TSTM WND DMG	3 Wsw Voorhees, NJ	NUMEROUS TREES AND WIRES DOWN IN HI-NELLA
Jun 24, 3:45 PM EDT	TSTM WND DMG	Lindenwold, NJ	TWO TREES SNAPPED IN HALF IN LINDENWOLD
Jun 24, 3:45 PM EDT	TSTM WND DMG	Stratford, NJ	NUMEROUS TREES DOWN IN STRATFORD
Jun 24, 3:45 PM EDT	TSTM WND GST 55	Blackwood, NJ	TREE LIMBS DOWN.
Jun 24, 3:45 PM EDT	TSTM WND GST 60	Voorhees, NJ	60 MPH WIND GUST ESTIMATED.
Jun 24, 3:50 PM EDT	TSTM WND DMG	1 Ssw Turnersville, NJ	TREES DOWN AND BUILDING COLLAPSED IN WASHINGTON TWP.
Jun 24, 4:00 PM EDT	TSTM WND DMG	Atco, NJ	TREES/WIRES DOWN IN WINSLOW/ATCO AREA.
Jun 24, 4:00 PM EDT	TSTM WND DMG	Pine Hill, NJ	TREES DOWN WITH DAMAGE TO A SHED IN PINE HILL
Jun 24, 4:10 PM EDT	TSTM WND DMG	Shamong, NJ	TREES DOWN ON ROADWAY IN SHAMONG AND A TREE LANDED ON A CAR.

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
Jun 24, 12:28 PM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 7.2 hours before the alert went out and 90 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: 126 J/kg
Mixed-layer CIN: -170 J/kg
Mixed-layer LCL: 1592 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 133 m²/s²
0-3 km storm-relative helicity: 65 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.

009 
WUUS51 KPHI 241913
SVRPHI
NJC005-007-015-033-PAC017-242015-
/O.NEW.KPHI.SV.W.0077.100624T1913Z-100624T2015Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
313 PM EDT THU JUN 24 2010

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EXTREME SOUTHEASTERN BUCKS COUNTY IN SOUTHEAST PENNSYLVANIA...
  BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...
  CAMDEN COUNTY IN SOUTHERN NEW JERSEY...
  THIS INCLUDES THE CITY OF CAMDEN...
  GLOUCESTER COUNTY IN SOUTHERN NEW JERSEY...
  NORTHERN SALEM COUNTY IN SOUTHERN NEW JERSEY...

* UNTIL 415 PM EDT

* AT 311 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THIS STORM WAS LOCATED 14
  MILES NORTHWEST OF GIBBSTOWN...OR 7 MILES EAST OF WEST CHESTER...
  AND MOVING SOUTHEAST AT 55 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  GIBBSTOWN AROUND 325 PM EDT...
  WEST DEPTFORD...DEPTFORD...PAULSBORO AND WOODBURY AROUND 330 PM
  EDT...
  WOODBURY HEIGHTS AND BELLMAWR AROUND 335 PM EDT...
  TURNERSVILLE...PITMAN AND GLASSBORO AROUND 340 PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING WIDESPREAD WIND DAMAGE. THIS 
IS AN EXTREMELY DANGEROUS SITUATION. SEEK SHELTER NOW INSIDE A 
STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 PM EDT
THURSDAY EVENING FOR NORTHEAST PENNSYLVANIA. A SEVERE THUNDERSTORM
WATCH ALSO REMAINS IN EFFECT UNTIL 800 PM EDT THURSDAY EVENING FOR
DELAWARE AND NORTHEASTERN MARYLAND AND NEW JERSEY AND SOUTHEASTERN
PENNSYLVANIA.

&&

LAT...LON 3951 7498 3956 7507 3946 7509 3955 7524
      3953 7526 3967 7551 3970 7551 3984 7537
      3985 7525 3989 7514 3995 7514 4003 7499
      4008 7497 4012 7498 3991 7451
TIME...MOT...LOC 1912Z 303DEG 47KT 3996 7545

$$

KRUZDLO

1 follow-up statement

193 
WWUS51 KPHI 241953
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
353 PM EDT THU JUN 24 2010

NJC005-007-015-033-PAC017-242015-
/O.CON.KPHI.SV.W.0077.000000T0000Z-100624T2015Z/
SALEM NJ-CAMDEN NJ-GLOUCESTER NJ-BUCKS PA-BURLINGTON NJ-
353 PM EDT THU JUN 24 2010

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR BURLINGTON...EXTREME SOUTHEASTERN BUCKS...GLOUCESTER...CAMDEN AND
NORTHERN SALEM COUNTIES...

AT 348 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THIS STORM WAS
LOCATED NEAR PINE HILL...OR 12 MILES SOUTHEAST OF CAMDEN...MOVING
SOUTHEAST AT 45 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  ATSION AND 6 MILES SOUTHWEST OF SHAMONG BY 405 PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING WIDESPREAD WIND DAMAGE. A WIND 
GUST OF 75 MPH WAS REPORTED AT PHILADELPHIA INTERNATIONAL AIRPORT. 
THIS IS AN EXTREMELY DANGEROUS SITUATION. SEEK SHELTER NOW INSIDE A 
STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 PM EDT
THURSDAY EVENING FOR NORTHEAST PENNSYLVANIA. A SEVERE THUNDERSTORM
WATCH ALSO REMAINS IN EFFECT UNTIL 800 PM EDT THURSDAY EVENING FOR
DELAWARE AND NORTHEASTERN MARYLAND AND NEW JERSEY AND SOUTHEASTERN
PENNSYLVANIA.

&&

LAT...LON 3951 7498 3956 7507 3946 7509 3955 7524
      3953 7526 3967 7551 3970 7551 3984 7537
      3985 7525 3989 7514 3995 7514 4003 7499
      4008 7497 4012 7498 3991 7451
TIME...MOT...LOC 1952Z 296DEG 41KT 3977 7493

$$

KRUZDLO

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 24, 12:36 PM EDT	Special Weather Statement	PHI	Morris, Sussex	54 min
Jun 24, 1:16 PM EDT	Special Weather Statement	PHI	Morris, Sussex, Warren	59 min
Jun 24, 3:44 PM EDT	Severe Thunderstorm Warning	PHI	Salem	76 min
Jun 24, 3:47 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 2 more	58 min
Jun 24, 4:04 PM EDT	Special Marine Warning	PHI		86 min
Jun 24, 4:15 PM EDT	Special Weather Statement	PHI	Sussex	60 min
Jun 24, 4:18 PM EDT	Severe Thunderstorm Warning	PHI	Camden, Cumberland, Gloucester, Salem	57 min
Jun 24, 4:43 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 1 more	62 min
Jun 24, 5:15 PM EDT	Special Marine Warning	PHI		60 min
Jun 24, 5:26 PM EDT	Special Marine Warning	PHI		2 hr
Jun 24, 5:46 PM EDT	Severe Thunderstorm Warning	PHI	Cape May, Cumberland	59 min
Jun 24, 6:14 PM EDT	Special Marine Warning	PHI		91 min
Jun 24, 6:17 PM EDT	Special Marine Warning	PHI		58 min
Jun 24, 7:39 PM EDT	Special Marine Warning	PHI		79 min
Jun 24, 1:59 PM EDT	Severe Thunderstorm Warning	PHI	Berks	66 min
Jun 24, 2:31 PM EDT	Severe Thunderstorm Warning	PHI	Chester, Montgomery	59 min
Jun 24, 2:56 PM EDT	Severe Thunderstorm Warning	PHI	Chester, Delaware, Montgomery, Philadelphia	64 min
Jun 24, 3:29 PM EDT	Severe Thunderstorm Warning	PHI	Chester	61 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2010 Severe Thunderstorm Warnings in Pennsylvania, 2010 Every 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.