Alert archive / New Jersey / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 115, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 17, 2003, 3:29 PM EDT for Hunterdon County, Morris County, Warren County, New Jersey. It was in force for 46 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 17, 2003, 3:29 PM EDT (19:29 UTC)
- Expired
- Aug 17, 2003, 4:15 PM EDT
- In force
- 46 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Whole counties
Counties Hunterdon County, NJ, Morris County, NJ, Warren County, NJ
The radar
The Philadelphia radar (KDIX), 97 km from the middle of the area, began a volume at 19:29 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
Albany, NY (KALY), launched 12:00Z, 7.5 hours before the alert went out and 230 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
- 137 J/kg
- Mixed-layer CIN
- -66 J/kg
- Mixed-layer LCL
- 768 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 49 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS51 KPHI 171929 SVRPHI NJC019-027-041-172015- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 329 PM EDT SUN AUG 17 2003 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHWESTERN MORRIS COUNTY IN NORTHERN NEW JERSEY. EASTERN WARREN COUNTY IN NORTHWEST NEW JERSEY. NORTHEASTERN HUNTERDON COUNTY IN NORTHWEST NEW JERSEY. * UNTIL 415 PM EDT. * AT 324 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM... 4 MILES NORTHEAST OF OXFORD...MOVING SOUTHEAST AT 20 MPH. THIS STORM HAS BEEN INTENSIFYING AND NOW APPEARS CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS. * THE SEVERE THUNDERSTORM WILL BE NEAR... WASHINGTON AT 340 PM. LONG VALLEY AT 345 PM. GLEN GARDNER...CHESTER AT 350 PM. CALIFON AT 355 PM. HIGH BRIDGE AT 400 PM. LEBANON AT 410 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. FOR THE LATEST STORM INFORMATION...PLEASE TUNE TO NOAA WEATHER RADIO...YOUR LOCAL RADIO OR TELEVISION STATION...OR YOUR CABLE TELEVISION OUTLET. $$ LAT...LON 4096 7488 4089 7510 4059 7490 4077 7466 TFG
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 17, 2:23 PM EDT | Special Marine Warning | PHI | 97 min | |
| Aug 17, 2:35 PM EDT | Special Marine Warning | PHI | 85 min | |
| Aug 17, 3:46 PM EDT | Special Marine Warning | PHI | 89 min | |
| Aug 17, 4:12 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Somerset | 63 min |
| Aug 17, 4:40 PM EDT | Severe Thunderstorm Warning | PHI | Mercer | 50 min |
| Aug 17, 5:32 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Monmouth | 43 min |
| Aug 17, 5:43 PM EDT | Severe Thunderstorm Warning | PHI | Ocean | 62 min |
| Aug 17, 6:14 PM EDT | Severe Thunderstorm Warning | PHI | Burlington | 61 min |
| Aug 17, 6:37 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth | 53 min |
| Aug 17, 7:15 PM EDT | Special Marine Warning | PHI | 2 hr |
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.