Alert archive / New Jersey / Tornado Warnings in 2002

Tornado Warning 13, NWS Philadelphia/Mount Holly

June 27, 2002Middlesex County, Somerset County, New Jersey

NWS Philadelphia/Mount Holly issued this tornado warning at Jun 27, 2002, 5:44 PM EDT for Middlesex County, Somerset County, New Jersey. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 27, 2002, 5:44 PM EDT (21:44 UTC)
Expired
Jun 27, 2002, 6:20 PM EDT
In force
36 min
Issued by
NWS Philadelphia/Mount Holly
Area
Whole counties

Counties Middlesex County, NJ, Somerset County, NJ

The radar

The Philadelphia radar (KDIX), 62 km from the middle of the area, began a volume at 21:44 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 27, 2:00 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 9.7 hours before the alert went out and 145 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, Brookhaven, NY at 12:00Z on 2002-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1079 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2002-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 square meters per square second.193958Sfc1 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
1079 J/kg
Mixed-layer CIN
-75 J/kg
Mixed-layer LCL
922 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
129 m²/s²
Significant tornado parameter
0.4
Supercell composite
1.2

Open this sounding in Storm Lab

The text

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

000 
WFUS51 KPHI 272144
TORPHI
NJC023-035-272220-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
542 PM EDT THU JUN 27 2002

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN SOMERSET COUNTY IN NORTHERN NEW JERSEY
  NORTHERN MIDDLESEX COUNTY IN NORTHERN NEW JERSEY

* UNTIL 620 PM EDT.

* AT 539 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION OVER MANVILLE...MOVING
  EAST AT 45 MPH. THIS STORM COULD PRODUCE A TORNADO AT ANY TIME.

* THE TORNADO IS EXPECTED TO BE NEAR...
  SOCIETY HILL...NEW BRUNSWICK...EAST BRUNSWICK AT 550 PM.
  EDISON AT 555 PM.
  PERTH AMBOY...SAYREVILLE AT 600 PM.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

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 STRUCTURE
IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT.

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

$$

LAT...LON 4058 7464 4041 7464 4043 7424 4058 7425

KRUZDLO

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 4:33 PM EDTSevere Thunderstorm WarningPHIHunterdon, Warren37 min
Jun 27, 5:05 PM EDTSevere Thunderstorm WarningPHIHunterdon, Somerset40 min
Jun 27, 5:18 PM EDTTornado WarningPHIHunterdon, Somerset27 min
Jun 27, 7:13 PM EDTSevere Thunderstorm WarningPHIHunterdon, Warren47 min
Jun 27, 7:37 PM EDTSpecial Marine WarningPHI113 min
Jun 27, 7:44 PM EDTSevere Thunderstorm WarningPHIMercer, Middlesex, Somerset46 min

Nearby

Tornado Warnings in New Jersey, 2002Every tornado warning in 2002Tornadoes in 2002

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.