Alert archive / New Jersey / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 258, NWS Philadelphia/Mount Holly

August 26, 2006Burlington County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 26, 2006, 4:22 AM EDT for Burlington County, New Jersey. It was in force for 53 min. 1 report 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: Aug 26, 2006, 4:22 AM EDT (08:22 UTC)
Expired: Aug 26, 2006, 5:15 AM EDT
In force: 53 min
Issued by: NWS Philadelphia/Mount Holly
Area: Counties, with a storm outline in the text

County Burlington County, NJ

The radar

The Philadelphia radar (KDIX), 33 km from the middle of the area, began a volume at 08:25 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
Aug 26, 5:24 AM EDT	TSTM WND DMG	Willingboro, NJ	WIRES REPORTED DOWN IN WILLINGBORO.

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, 8.4 hours before the alert went out and 234 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: 650 J/kg
Mixed-layer CIN: -50 J/kg
Mixed-layer LCL: 1473 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 89 m²/s²
0-3 km storm-relative helicity: 76 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.7

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KPHI 260822
SVRPHI
NJC005-260915-
/O.NEW.KPHI.SV.W.0258.060826T0822Z-060826T0915Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
422 AM EDT SAT AUG 26 2006

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BURLINGTON COUNTY IN SOUTHERN NEW JERSEY

* UNTIL 515 AM EDT

* AT 420 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM 9 MILES NORTHEAST OF
  WILLINGBORO TO 9 MILES WEST OF WILLINGBORO...OR ALONG A LINE
  EXTENDING FROM 7 MILES SOUTH OF TRENTON TO PHILADELPHIA...AND
  MOVING SOUTHEAST AT 35 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  MOUNT HOLLY BY 435 AM EDT...
  LUMBERTON AND WRIGHTSTOWN BY 440 AM EDT...
  PEMBERTON AND MEDFORD BY 445 AM EDT...
  LEISURETOWNE AND BROWNS MILLS BY 450 AM EDT...
  PRESIDENTIAL LAKES BY 500 AM EDT...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS 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 4013 7470 3999 7503 3999 7504 3994 7499
      3970 7459 4002 7454

$$

EBERWINE

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 26, 12:26 AM EDT	Severe Thunderstorm Warning	PHI	Camden, Gloucester	49 min
Aug 26, 12:55 AM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Camden	65 min
Aug 26, 3:37 AM EDT	Severe Thunderstorm Warning	PHI	Mercer	38 min
Aug 26, 3:39 AM EDT	Severe Thunderstorm Warning	PHI	Ocean	51 min
Aug 26, 5:16 AM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington	46 min
Aug 26, 5:24 AM EDT	Special Marine Warning	PHI		96 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2006 Every severe thunderstorm warning in 2006

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.