Alert archive / New Jersey / Tornado Warnings in 2006

Tornado Warning 10, NWS Philadelphia/Mount Holly

December 1, 2006Warren County, New Jersey; Northampton County, Pennsylvania

NWS Philadelphia/Mount Holly issued this tornado warning at Dec 1, 2006, 5:55 PM EST for Warren County, New Jersey; Northampton County, Pennsylvania. It was in force for 35 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: Dec 1, 2006, 5:55 PM EST (22:55 UTC)
Expired: Dec 1, 2006, 6:30 PM EST
In force: 35 min
Issued by: NWS Philadelphia/Mount Holly
Area: Counties, with a storm outline in the text

Counties Warren County, NJ, Northampton County, PA

The radar

The Philadelphia radar (KDIX), 122 km from the middle of the area, began a volume at 22:57 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
Dec 1, 6:00 PM EST	TSTM WND DMG	Belvidere, NJ	TREES AND WIRES REPORTED DOWN COUNTYWIDE.
Dec 1, 6:00 PM EST	TSTM WND DMG	Ne East Bangor, PA	TREES AND WIRES REPORTED DOWN IN UPPER MOUNT BETHEL TOWNSHIP.

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
Dec 1, 3:24 PM EST	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 10.9 hours before the alert went out and 167 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: 966 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: -103 m²/s²
0-3 km storm-relative helicity: 9 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.

000 
WFUS51 KPHI 012255
TORPHI
NJC041-PAC095-012330-
/O.NEW.KPHI.TO.W.0010.061201T2255Z-061201T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
555 PM EST FRI DEC 1 2006

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN NORTHAMPTON COUNTY IN EASTERN PENNSYLVANIA...
  NORTHERN WARREN COUNTY IN NORTHWEST NEW JERSEY...

* UNTIL 630 PM EST

* AT 553 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR EAST
  BANGOR...OR ABOUT 20 MILES NORTHEAST OF BETHLEHEM...MOVING EAST AT
  70 MPH.

* THE TORNADO IS WILL BE NEAR...
  BLAIRSTOWN AND GREAT MEADOWS-VIENNA BY 605 PM EST...
  ALLAMUCHY AND ALLAMUCHY-PANTHER VALLEY BY 610 PM EST...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EST
FRIDAY EVENING FOR NORTHWESTERN NEW JERSEY AND EASTERN PENNSYLVANIA.

LAT...LON 4077 7562 4068 7548 4073 7514 4090 7475
      4107 7496 4087 7529

$$

NIERENBERG

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 1, 3:54 AM EST	High Wind Warning	PHI	Burlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 5 more	21 hr
Dec 1, 3:54 AM EST	Wind Advisory	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 7 more	21 hr
Dec 1, 5:25 PM EST	Severe Thunderstorm Warning	PHI	Sussex, Warren	80 min
Dec 1, 6:07 PM EST	Severe Thunderstorm Warning	PHI	Morris	68 min
Dec 1, 4:27 PM EST	Severe Thunderstorm Warning	PHI	Berks, Carbon, Lehigh	78 min
Dec 1, 4:49 PM EST	Severe Thunderstorm Warning	PHI	Monroe, Northampton	71 min
Dec 1, 5:07 PM EST	Tornado Warning	PHI	Monroe	38 min
Dec 1, 5:45 PM EST	Severe Thunderstorm Warning	PHI	Lehigh, Northampton	42 min

Nearby

Tornado Warnings in New Jersey, 2006 Tornado Warnings in Pennsylvania, 2006 Every tornado warning in 2006 Tornadoes 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.