Alert archive / New Jersey / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 148, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Sep 23, 2003, 8:21 AM EDT for Morris County, New Jersey. It was in force for 39 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
- Sep 23, 2003, 8:21 AM EDT (12:21 UTC)
- Expired
- Sep 23, 2003, 9:00 AM EDT
- In force
- 39 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Whole counties
County Morris County, NJ
The radar
The Philadelphia radar (KDIX), 102 km from the middle of the area, began a volume at 12:21 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 141 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.
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS51 KPHI 231221 SVRPHI NJC027-231300- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 820 AM EDT TUE SEP 23 2003 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL MORRIS COUNTY IN NORTHERN NEW JERSEY. * UNTIL 900 AM EDT. * AT 816 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM... OVER SUCCASUNNA...MOVING EAST AT 15 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... DOVER AT 830 AM. MORRISTOWN...LAKE TELEMARK AT 840 AM. FOR THE LATEST STORM INFORMATION...PLEASE TUNE TO NOAA WEATHER RADIO...YOUR LOCAL RADIO OR TELEVISION STATION...OR YOUR CABLE TELEVISION OUTLET. THIS STORM HAS THE POTENTIAL OF PRODUCING STRONG GUSTY WINDS IN EXCESS OF 50 MPH. SEVERE THUNDERSTORMS ALSO HAVE THE POTENTIAL TO PRODUCE TORNADOES. $$ LAT...LON 4095 7462 4077 7473 4076 7444 4100 7443 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, 8:26 AM EDT | Tornado Warning | PHI | Middlesex, Monmouth | 49 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
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.