Alert archive / New Jersey / Tornado Warnings in 2003

Tornado Warning 3, NWS Philadelphia/Mount Holly

October 27, 2003Hunterdon County, Somerset County, New Jersey

NWS Philadelphia/Mount Holly issued this tornado warning at Oct 27, 2003, 3:23 PM EST for Hunterdon County, Somerset County, New Jersey. It was in force for 52 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
Oct 27, 2003, 3:23 PM EST (20:23 UTC)
Expired
Oct 27, 2003, 4:15 PM EST
In force
52 min
Issued by
NWS Philadelphia/Mount Holly
Area
Counties, with a storm outline in the text

Counties Hunterdon County, NJ, Somerset County, NJ

The radar

The Philadelphia radar (KDIX), 74 km from the middle of the area, began a volume at 20:23 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

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 8.4 hours before the alert went out and 156 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-pSkew-T log-p diagram, Phillips Aaf/Abe, MD at 12:00Z on 2003-10-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 23 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Phillips Aaf/Abe, MD at 12:00Z on 2003-10-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 184 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
23 J/kg
Mixed-layer CIN
-51 J/kg
Mixed-layer LCL
710 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
184 m²/s²
0-3 km storm-relative helicity
178 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 272023
TORPHI
NJC019-035-272115-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
323 PM EST MON OCT 27 2003

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN SOMERSET COUNTY IN NORTHERN NEW JERSEY
  SOUTHERN HUNTERDON COUNTY IN NORTHWEST NEW JERSEY

* UNTIL 415 PM EST.

* AT 318 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION 6 MILES SOUTHWEST OF
  FLEMINGTON...MOVING NORTHEAST AT 50 MPH. THIS STORM COULD PRODUCE A
  TORNADO AT ANY TIME.

* THE TORNADO IS EXPECTED TO BE NEAR...
  WHITE HOUSE STATION AT 335 PM.
  SOMERVILLE...MANVILLE AT 340 PM.

EMERGENCY EMANAGEMENT PERSONNEL INDICATED TREES DOWN IN DELAWARE 
TOWNSHIP. 


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

LAT...LON 4049 7507 4036 7491 4052 7457 4071 7472

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 27, 2:49 PM ESTSpecial Marine WarningPHI116 min
Oct 27, 3:29 PM ESTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Cumberland, Gloucester, Mercer and 4 more61 min
Oct 27, 3:35 PM ESTSevere Thunderstorm WarningPHIMorris40 min
Oct 27, 3:46 PM ESTTornado WarningPHIMercer, Middlesex44 min
Oct 27, 4:02 PM ESTTornado WarningPHIMonmouth, Ocean58 min
Oct 27, 4:14 PM ESTSpecial Marine WarningPHI91 min
Oct 27, 4:25 PM ESTSevere Thunderstorm WarningPHIMonmouth, Ocean50 min

Nearby

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