Alert archive / New Jersey / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 125, NWS Philadelphia/Mount Holly

June 26, 2002Morris County, Sussex County, Warren County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 26, 2002, 3:29 PM EDT for Morris County, Sussex County, Warren County, New Jersey. It was in force for 46 min. 3 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jun 26, 2002, 3:29 PM EDT (19:29 UTC)
Expired: Jun 26, 2002, 4:15 PM EDT
In force: 46 min
Issued by: NWS Philadelphia/Mount Holly
Area: Whole counties

Counties Morris County, NJ, Sussex County, NJ, Warren County, NJ

The radar

The Philadelphia radar (KDIX), 115 km from the middle of the area, began a volume at 19:28 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
Jun 26, 3:37 PM EDT	Thunderstorm Wind 52 E	Greendell, NJ
Jun 26, 3:40 PM EDT	Thunderstorm Wind 52 E	Great Meadows, NJ
Jun 26, 4:08 PM EDT	Thunderstorm Wind 52 E	Hamburg, NJ

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

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

Issued	Product	Office	Lasted
Jun 26, 2:15 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 7.5 hours before the alert went out and 158 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: 1435 J/kg
Mixed-layer CIN: -74 J/kg
Mixed-layer LCL: 1146 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 112 m²/s²
0-3 km storm-relative helicity: 126 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 2.2

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KPHI 261929
SVRPHI
NJC027-037-041-262015-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
329 PM EDT WED JUN 26 2002

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN MORRIS COUNTY IN NORTHERN NEW JERSEY.
  SOUTHERN SUSSEX COUNTY IN NORTHWEST NEW JERSEY.
  NORTHEASTERN WARREN COUNTY IN NORTHWEST NEW JERSEY.

* UNTIL 415 PM EDT.

* AT 323 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM... 5 MILES NORTHWEST OF HACKETTSTOWN...MOVING
  EAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  BUDD LAKE...NEWTON AT 340 PM.
  STANHOPE...ANDOVER AT 345 PM.
  HOPATCONG...SUCCASUNNA AT 350 PM.
  LAKE MOHAWK AT 355 PM.
  DOVER AT 405 PM.

HAIL UP TO ONE INCH IN DIAMETER AND WINDS GREATER THAN 55 MILES AN
HOUR ARE EXPECTED FROM THIS STORM. SEEK SHELTER IN A STURDY STRUCTURE
UNTIL THE STORM HAS PASSED.

INTENSE LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IF
POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID
USING TELEPHONES UNLESS IT IS AN EMERGENCY. IF OUTDOORS...STAY AWAY
FROM ISOLATED HIGH OBJECTS SUCH AS TREES.

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM WEDNESDAY
EVENING FOR NORTHWESTERN NEW JERSEY.

$$

LAT...LON 4108 7454 4106 7483 4105 7506 4080 7498
          4083 7448

KRUZDLO

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 26, 1:43 PM EDT	Special Marine Warning	PHI		92 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2002 Every severe thunderstorm warning 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.