Alert archive / New Jersey / Tornado Warnings in 2003

Tornado Warning 2, NWS Philadelphia/Mount Holly

September 23, 2003Middlesex County, Monmouth County, New Jersey

NWS Philadelphia/Mount Holly issued this tornado warning at Sep 23, 2003, 8:26 AM EDT for Middlesex County, Monmouth County, New Jersey. It was in force for 49 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: Sep 23, 2003, 8:26 AM EDT (12:26 UTC)
Expired: Sep 23, 2003, 9:15 AM EDT
In force: 49 min
Issued by: NWS Philadelphia/Mount Holly
Area: Counties, with a storm outline in the text

Counties Middlesex County, NJ, Monmouth County, NJ

The radar

The Philadelphia radar (KDIX), 40 km from the middle of the area, began a volume at 12:26 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, 0.4 hours before the alert went out and 150 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: 101 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 639 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 374 m²/s²
0-3 km storm-relative helicity: 394 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.0

Open this sounding in Storm Lab

The text

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

000 
WFUS51 KPHI 231226
TORPHI
NJC023-025-231315-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
826 AM EDT TUE SEP 23 2003

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* TORNADO WARNING FOR...
  WEST CENTRAL MONMOUTH COUNTY IN CENTRAL NEW JERSEY
  SOUTHWESTERN MIDDLESEX COUNTY IN NORTHERN NEW JERSEY

* UNTIL 915 AM EDT.

* AT 821 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION 14 MILES SOUTHWEST OF
  CLEARBROOK PARK...MOVING EAST AT 25 MPH. THIS STORM COULD PRODUCE A
  TORNADO AT ANY TIME.

* THE TORNADO IS EXPECTED TO BE NEAR...
  CLEARBROOK PARK...DAYTON AT 850 AM.
  JAMESBURG AT 855 AM.
  EAST BRUNSWICK AT 900 AM.

FOR THE LATEST STORM INFORMATION...PLEASE TUNE TO NOAA WEATHER
RADIO...YOUR LOCAL RADIO OR TELEVISION STATION...OR YOUR CABLE
TELEVISION OUTLET.

LAT...LON 4037 7460 4028 7444 4013 7453 4021 7436
          4047 7437

$$

KRUZDLO

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 23, 7:13 AM EDT	Special Marine Warning	PHI		62 min
Sep 23, 7:54 AM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Mercer, Somerset	36 min
Sep 23, 8:01 AM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Mercer	44 min
Sep 23, 8:14 AM EDT	Tornado Warning	PHI	Burlington, Mercer	31 min
Sep 23, 8:21 AM EDT	Severe Thunderstorm Warning	PHI	Morris	39 min
Sep 23, 8:33 AM EDT	Severe Thunderstorm Warning	PHI	Middlesex, Somerset	27 min
Sep 23, 8:40 AM EDT	Special Marine Warning	PHI		65 min
Sep 23, 8:40 AM EDT	Special Marine Warning	PHI		65 min
Sep 23, 9:05 AM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Monmouth, Ocean	70 min
Sep 23, 9:48 AM EDT	Special Marine Warning	PHI		72 min
Sep 23, 9:48 AM EDT	Special Marine Warning	PHI		72 min

Nearby

Tornado Warnings in New Jersey, 2003 Every tornado warning in 2003 Tornadoes in 2003

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.