Alert archive / New Jersey / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 126, NWS Philadelphia/Mount Holly

July 4, 2006Northampton County, Pennsylvania; Hunterdon County, Warren County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 4, 2006, 2:42 PM EDT for Northampton County, Pennsylvania; Hunterdon County, Warren County, New Jersey. It was in force for 33 min. 2 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: Jul 4, 2006, 2:42 PM EDT (18:42 UTC)
Expired: Jul 4, 2006, 3:15 PM EDT
In force: 33 min
Issued by: NWS Philadelphia/Mount Holly
Area: Counties, with a storm outline in the text

Counties Hunterdon County, NJ, Warren County, NJ, Northampton County, PA

The radar

The Philadelphia radar (KDIX), 110 km from the middle of the area, began a volume at 18:42 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
Jul 4, 3:08 PM EDT	TSTM WND DMG	Washington, NJ	TREES DOWN COUNTY WIDE, ESPECIALLY IN WASHINGTON TWP.
Jul 4, 3:08 PM EDT	HAIL 0.88	Glen Gardner, NJ	NICKEL SIZED HAIL IN GLEN GARDNER AS WELL AS 53 MPH WIND GUST

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
Jul 4, 12:40 PM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 6.7 hours before the alert went out and 194 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: 341 J/kg
Mixed-layer CIN: -62 J/kg
Mixed-layer LCL: 1305 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 69 m²/s²
0-3 km storm-relative helicity: 91 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 5.3

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KPHI 041842
SVRPHI
NJC019-041-PAC095-041915-
/O.NEW.KPHI.SV.W.0126.060704T1842Z-060704T1915Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
242 PM EDT TUE JUL 4 2006

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN NORTHAMPTON COUNTY IN EASTERN PENNSYLVANIA
  NORTHWESTERN HUNTERDON COUNTY IN NORTHWEST NEW JERSEY
  SOUTHERN WARREN COUNTY IN NORTHWEST NEW JERSEY

* UNTIL 315 PM EDT

* AT 238 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  NAZARETH...OR ABOUT 10 MILES NORTHEAST OF BETHLEHEM...AND MOVING
  EAST AT 55 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  BRASS CASTLE...BLOOMSBURY AND 7 MILES SOUTH OF BELVIDERE BY 250 PM
  EDT...
  HAMPTON...GLEN GARDNER...WASHINGTON AND 6 MILES SOUTH OF OXFORD BY
  255 PM EDT...
  HIGH BRIDGE...ANNANDALE AND CLINTON BY 300 PM 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 4084 7532 4069 7542 4049 7492 4088 7485

$$

JJM

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 4, 2:08 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Chester	67 min
Jul 4, 2:34 PM EDT	Severe Thunderstorm Warning	PHI	Monroe	26 min
Jul 4, 3:27 PM EDT	Severe Thunderstorm Warning	PHI	Gloucester, Salem	33 min
Jul 4, 3:57 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden	48 min
Jul 4, 4:02 PM EDT	Special Marine Warning	PHI		28 min
Jul 4, 4:16 PM EDT	Severe Thunderstorm Warning	PHI	Monmouth	44 min
Jul 4, 4:22 PM EDT	Severe Thunderstorm Warning	PHI	Cumberland, Salem	53 min
Jul 4, 4:47 PM EDT	Special Marine Warning	PHI		118 min
Jul 4, 5:13 PM EDT	Special Marine Warning	PHI		62 min
Jul 4, 5:35 PM EDT	Special Marine Warning	PHI		115 min
Jul 4, 6:10 PM EDT	Special Marine Warning	PHI		2 hr
Jul 4, 6:40 PM EDT	Special Marine Warning	PHI		2 hr
Jul 4, 7:08 PM EDT	Special Marine Warning	PHI		97 min
Jul 4, 7:33 PM EDT	Severe Thunderstorm Warning	PHI	Cape May	52 min
Jul 4, 7:41 PM EDT	Special Marine Warning	PHI		67 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2006 Severe Thunderstorm Warnings in Pennsylvania, 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.