Alert archive / New Jersey / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 21, NWS Philadelphia/Mount Holly

June 14, 2003Morris County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 14, 2003, 2:53 PM EDT for Morris County, New Jersey. It was in force for 37 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
Jun 14, 2003, 2:53 PM EDT (18:53 UTC)
Expired
Jun 14, 2003, 3:30 PM EDT
In force
37 min
Issued by
NWS Philadelphia/Mount Holly
Area
Counties, with a storm outline in the text

County Morris County, NJ

The radar

The Philadelphia radar (KDIX), 114 km from the middle of the area, began a volume at 18:54 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 14, 1:15 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 6.9 hours before the alert went out and 125 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 2003-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2003-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
514 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
49 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 
WUUS51 KPHI 141853
SVRPHI
NJC027-141930-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
253 PM EDT SAT JUN 14 2003

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS EXTENDED THE

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN MORRIS COUNTY IN NORTHERN NEW JERSEY.

* UNTIL 330 PM EDT.

* AT 249 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM... 5 MILES NORTHWEST OF LAKE TELEMARK...MOVING
  EAST AT 35 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  BOONTON...
  KINNELON...
  LAKE TELEMARK...
  PEQUANNOCK TOWNSHIP...

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 700 PM EDT 
SATURDAY EVENING. 
LAT...LON 4109 7445 4093 7461 4076 7415 4097 7404
$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 1:53 PM EDTSevere Thunderstorm WarningPHISussex52 min
Jun 14, 2:11 PM EDTSevere Thunderstorm WarningPHIMorris49 min
Jun 14, 2:42 PM EDTSevere Thunderstorm WarningPHISussex18 min
Jun 14, 4:06 PM EDTSevere Thunderstorm WarningPHIMiddlesex, Somerset39 min
Jun 14, 4:24 PM EDTSevere Thunderstorm WarningPHIMonmouth66 min
Jun 14, 5:19 PM EDTSpecial Marine WarningPHI56 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2003Every severe thunderstorm warning 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.