Alert archive / Pennsylvania / Tornado Warnings in 2005

Tornado Warning 2, NWS Philadelphia/Mount Holly

May 28, 2005Bucks County, Pennsylvania; Burlington County, New Jersey

NWS Philadelphia/Mount Holly issued this tornado warning at May 28, 2005, 4:41 PM EDT for Bucks County, Pennsylvania; Burlington County, New Jersey. It was in force for 22 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 28, 2005, 4:41 PM EDT (20:41 UTC)
Expired: May 28, 2005, 5:03 PM EDT
In force: 22 min
Issued by: NWS Philadelphia/Mount Holly
Area: Counties, with a storm outline in the text

Counties Burlington County, NJ, Bucks County, PA

The radar

The Philadelphia radar (KDIX), 40 km from the middle of the area, began a volume at 20:42 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.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 8.7 hours before the alert went out and 189 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: 1800 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 22 m²/s²
0-3 km storm-relative helicity: 106 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 282041
TORPHI
NJC005-PAC017-282115-
/O.NEW.KPHI.TO.W.0002.050528T2041Z-050528T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
441 PM EDT SAT MAY 28 2005

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* TORNADO WARNING FOR...
  EXTREME SOUTHEASTERN BUCKS COUNTY IN SOUTHEAST PENNSYLVANIA
  NORTHWESTERN BURLINGTON COUNTY IN SOUTHERN NEW JERSEY

* UNTIL 515 PM EDT

* AT 438 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR BEVERLY...
  OR ABOUT 13 MILES SOUTHWEST OF TRENTON...MOVING NORTHEAST AT 25
  MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  FLORENCE BY 450 PM EDT
  BORDENTOWN BY 500 PM EDT

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
DESTRUCTIVE STRAIGHT LINE WINDS.

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.

LAT...LON 4005 7497 3996 7488 4014 7463 4020 7477

$$

RNS

1 follow-up statement

000 
WWUS51 KPHI 282103
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
503 PM EDT SAT MAY 28 2005

NJC005-PAC017-282113-
/O.CAN.KPHI.TO.W.0002.000000T0000Z-050528T2115Z/
BUCKS PA-BURLINGTON NJ-
503 PM EDT SAT MAY 28 2005

...THE TORNADO WARNING FOR NORTHWESTERN BURLINGTON AND EXTREME
SOUTHEASTERN BUCKS COUNTIES IS CANCELLED...

THE STORMS WHICH PROMPTED THE WARNING HAVE NOW WEAKENED AND NO LONGER
POSE A SEVERE WEATHER THREAT. 

LAT...LON 4005 7497 3996 7488 4014 7463 4020 7477

$$

RNS

The office that day

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

Issued	Product	Office	Counties	Lasted
May 28, 3:46 PM EDT	Severe Thunderstorm Warning	PHI	Philadelphia	44 min
May 28, 4:15 PM EDT	Severe Thunderstorm Warning	PHI	Bucks, Montgomery	30 min
May 28, 2:53 PM EDT	Special Marine Warning	PHI		97 min
May 28, 4:10 PM EDT	Severe Thunderstorm Warning	PHI	Burlington	50 min
May 28, 4:27 PM EDT	Tornado Warning	PHI	Burlington	33 min
May 28, 4:36 PM EDT	Severe Thunderstorm Warning	PHI	Monmouth, Ocean	54 min
May 28, 4:45 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Mercer, Middlesex, Somerset	45 min
May 28, 4:56 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic	36 min
May 28, 5:03 PM EDT	Special Marine Warning	PHI		42 min
May 28, 5:42 PM EDT	Special Marine Warning	PHI		63 min
May 28, 5:46 PM EDT	Severe Thunderstorm Warning	PHI	Ocean	29 min

Nearby

Tornado Warnings in Pennsylvania, 2005 Tornado Warnings in New Jersey, 2005 Every tornado warning in 2005 Tornadoes in 2005

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.