Alert archive / New Jersey / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 37, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 5, 2003, 5:18 PM EDT for Mercer County, New Jersey. It was in force for 42 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
- Jul 5, 2003, 5:18 PM EDT (21:18 UTC)
- Expired
- Jul 5, 2003, 6:00 PM EDT
- In force
- 42 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Counties, with a storm outline in the text
County Mercer County, NJ
The radar
The Philadelphia radar (KDIX), 42 km from the middle of the area, began a volume at 21:21 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, 9.3 hours before the alert went out and 165 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
- 23 J/kg
- Mixed-layer CIN
- -155 J/kg
- Mixed-layer LCL
- 1502 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 78 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
014
WUUS51 KPHI 052118
SVRPHI
NJC021-052200-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
517 PM EDT SAT JUL 5 2003
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
MERCER COUNTY IN CENTRAL NEW JERSEY.
* UNTIL 600 PM EDT.
* AT 515 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A LINE OF SEVERE WINDS IN SOUTHEASTERN PENNSYLVANIA MOVING
EAST AT 35 MPH.
* SOME LOCATIONS NEAR THE PATH OF THESE WINDS INCLUDE...
EWING...
LAWRENCEVILLE...
MERCERVILLE-HAMILTON SQUARE...
PRINCETON...
TRENTON...
WHITE HORSE...
DAMAGING WINDS IN EXCESS OF 55 MPH ARE EXPECTED FROM THIS LINE.
SMALL HAIL IS ALSO POSSIBLE.
FOR THE LATEST STORM INFORMATION...PLEASE TUNE TO NOAA WEATHER
RADIO...YOUR LOCAL RADIO OR TELEVISION STATION...OR YOUR CABLE
TELEVISION OUTLET.
LAT...LON 4031 7458 4024 7450 4016 7472 4028 7488
4037 7467
$$The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 4:54 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden | 66 min |
| Jul 5, 6:03 PM EDT | Special Marine Warning | PHI | 117 min | |
| Jul 5, 6:03 PM EDT | Special Marine Warning | PHI | 117 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.