Alert archive / New Jersey / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 98, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 6, 2003, 2:45 PM EDT for Morris County, New Jersey. It was in force for 45 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
- Aug 6, 2003, 2:45 PM EDT (18:45 UTC)
- Expired
- Aug 6, 2003, 3:30 PM EDT
- In force
- 45 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 18:46 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, 6.8 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
- 994 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 641 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 137 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.7
The text
As transmitted, in the capitals the NWS used until 2016.
630 WUUS51 KPHI 061845 CCA SVRPHI NJC027-061930- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 244 PM EDT WED AUG 6 2003 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN MORRIS COUNTY IN NORTHERN NEW JERSEY. * UNTIL 330 PM EDT. * AT 240 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A DEVELOPING SEVERE THUNDERSTORM...4 MILES SOUTHWEST OF MADISON... MOVING NORTH AT 25 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... MADISON...MORRISTOWN AT 250 PM. EAST HANOVER AT 300 PM. PARSIPPANY AT 305 PM. BOONTON AT 310 PM. PEQUANNOCK TOWNSHIP...KINNELON AT 325 PM. FOR THE LATEST STORM INFORMATION...PLEASE TUNE TO NOAA WEATHER RADIO...YOUR LOCAL RADIO OR TELEVISION STATION...OR YOUR CABLE TELEVISION OUTLET. $$ LAT...LON 4068 7462 4062 7439 4097 7418 4105 7446 TFG/COR TO REMOVE SOMERSET COUNTY
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 1:09 AM EDT | Special Marine Warning | PHI | 66 min | |
| Aug 6, 1:41 AM EDT | Severe Thunderstorm Warning | PHI | Cape May | 34 min |
| Aug 6, 2:06 AM EDT | Special Marine Warning | PHI | 84 min | |
| Aug 6, 2:16 AM EDT | Severe Thunderstorm Warning | PHI | Cape May | 29 min |
| Aug 6, 3:01 AM EDT | Special Marine Warning | PHI | 59 min | |
| Aug 6, 2:44 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Somerset | 46 min |
| Aug 6, 4:53 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth | 52 min |
| Aug 6, 5:07 PM EDT | Special Marine Warning | PHI | 53 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.