Alert archive / New Jersey / Tornado Warnings in 2006

Tornado Warning 4, NWS Philadelphia/Mount Holly

August 29, 2006Salem County, New Jersey; New Castle County, Delaware

NWS Philadelphia/Mount Holly issued this tornado warning at Aug 29, 2006, 4:28 PM EDT for Salem County, New Jersey; New Castle County, Delaware. It was in force for 47 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: Aug 29, 2006, 4:28 PM EDT (20:28 UTC)
Expired: Aug 29, 2006, 5:15 PM EDT
In force: 47 min
Issued by: NWS Philadelphia/Mount Holly
Area: Counties, with a storm outline in the text

Counties New Castle County, DE, Salem County, NJ

The radar

The Dover AFB radar (KDOX), 89 km from the middle of the area, began a volume at 20:28 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 29, 4:50 PM EDT	TSTM WND DMG	Salem, NJ	SEVERAL WIRES DOWNED IN SALEM CITY.
Aug 29, 4:50 PM EDT	TSTM WND DMG	Salem, NJ	SEVERAL WIRES DOWN IN SALEM CITY.

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
Aug 29, 1:52 PM EDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 8.5 hours before the alert went out and 49 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: 21 J/kg
Mixed-layer CIN: -132 J/kg
Mixed-layer LCL: 934 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 98 m²/s²
0-3 km storm-relative helicity: 185 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

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

000 
WFUS51 KPHI 292028
TORPHI
DEC003-NJC033-292115-
/O.NEW.KPHI.TO.W.0004.060829T2028Z-060829T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
428 PM EDT TUE AUG 29 2006

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL NEW CASTLE COUNTY IN NORTHERN DELAWARE
  WESTERN SALEM COUNTY IN SOUTHERN NEW JERSEY

* UNTIL 515 PM EDT

* AT 424 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES WEST 
  OF NEW CASTLE...MOVING EAST AT 15 MPH.

* THE TORNADO IS WILL BE NEAR...
  NEW CASTLE AND DELAWARE CITY BY 440 PM EDT...
  PENNSVILLE BY 450 PM EDT...
  SALEM BY 500 PM EDT...

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS 
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY 
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU 
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE 
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO. CARS ARE EASILY
TOSSED AROUND BY TORNADO WINDS. IF YOU ARE CAUGHT IN THE PATH OF A
TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING. IF NO SAFE
STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT AND COVER
YOUR HEAD.

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 TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM EDT TUESDAY EVENING
FOR NORTHERN DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN NEW
JERSEY AND EASTERN PENNSYLVANIA.

LAT...LON 3967 7566 3964 7569 3954 7560 3948 7540
      3970 7534

$$

TFG

1 follow-up statement

000 
WWUS51 KPHI 292052
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
452 PM EDT TUE AUG 29 2006

DEC003-292102-
/O.CAN.KPHI.TO.W.0004.000000T0000Z-060829T2115Z/
NEW CASTLE DE-
452 PM EDT TUE AUG 29 2006

...THE TORNADO WARNING FOR NEW CASTLE COUNTY IS CANCELLED...

THE TORNADIC THUNDERSTORM IS NOW IN SALEM COUNTY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM EDT TUESDAY EVENING
FOR NORTHERN DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN NEW
JERSEY AND EASTERN PENNSYLVANIA.

LAT...LON 3961 7553 3958 7555 3953 7555 3944 7544
      3954 7526 3956 7527 3965 7538

$$

NJC033-292115-
/O.CON.KPHI.TO.W.0004.000000T0000Z-060829T2115Z/
SALEM NJ-
452 PM EDT TUE AUG 29 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM EDT FOR WESTERN
SALEM COUNTY...

AT 449 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR SALEM...OR ABOUT
11 MILES SOUTH OF WILMINGTON...MOVING SOUTHEAST AT 20 MPH.

THE TORNADO WILL BE NEAR...
  SALEM BY 500 PM EDT...
  6 MILES SOUTHWEST OF ALLOWAY BY 515 PM EDT...

DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO. CARS ARE EASILY
TOSSED AROUND BY TORNADO WINDS. IF YOU ARE CAUGHT IN THE PATH OF A
TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING. IF NO SAFE
STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT AND COVER
YOUR HEAD.

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 TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM EDT TUESDAY EVENING
FOR NORTHERN DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN NEW
JERSEY AND EASTERN PENNSYLVANIA.

LAT...LON 3961 7553 3958 7555 3953 7555 3944 7544
      3954 7526 3956 7527 3965 7538

$$

TFG

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 29, 4:45 PM EDT	Severe Thunderstorm Warning	PHI	Gloucester	60 min
Aug 29, 5:23 PM EDT	Severe Thunderstorm Warning	PHI	Cumberland	67 min
Aug 29, 5:41 PM EDT	Tornado Warning	PHI	Salem	49 min
Aug 29, 6:15 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Cape May	45 min
Aug 29, 6:39 PM EDT	Special Marine Warning	PHI		66 min
Aug 29, 3:42 PM EDT	Severe Thunderstorm Warning	PHI	New Castle	33 min
Aug 29, 4:02 PM EDT	Tornado Warning	PHI	New Castle	28 min

Nearby

Tornado Warnings in New Jersey, 2006 Tornado Warnings in Delaware, 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.