Alert archive / New Jersey / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 12, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 1, 1997, 5:37 PM EDT for Sussex County, Warren County, New Jersey. It was in force for 48 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
- May 1, 1997, 5:37 PM EDT (21:37 UTC)
- Expired
- May 1, 1997, 6:25 PM EDT
- In force
- 48 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Whole counties
Counties Sussex County, NJ, Warren County, NJ
The radar
The Philadelphia radar (KDIX), 123 km from the middle of the area, began a volume at 21:40 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 1, 4:00 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 9.6 hours before the alert went out and 167 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1425 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 192 m²/s²
- 0-3 km storm-relative helicity
- 174 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KPHL 012138 RRA SVRPHL NJC037-041-012225- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PHILADELPHIA/MOUNT HOLLY NJ 537 PM EDT THU MAY 1 1997 THE NATIONAL WEATHER SERVICE IN PHILADELPHIA/MOUNT HOLLY NJ HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 625 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NEW JERSEY ...SUSSEX COUNTY ...NORTHERN WARREN COUNTY AT 535 PM EDT...A SEVERE THUNDERSTORM WAS INDICATED BY NWS DOPPLER RADAR AND SPOTTER REPORTS 7 MILES WEST OF COLUMBIA MOVING EAST NORTHEAST AT 40 MPH. THIS STORM MAY AFFECT THE FOLLOWING NEARBY AREAS... COLUMBIA... BLAIRSTOWN... HOPE AND MILLBROOK. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR THE AREA. IF YOU ARE IN THE PATH OF THIS STORM...SEEK SHELTER NOW. AFTER THE STORM HAS PASSED...REPORT ANY SEVERE WEATHER OR FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY AND HAVE THEM RELAY YOUR SEVERE WEATHER REPORT ON TO THE NATIONAL WEATHER SERVICE. SEVERE THUNDERSTORMS CONTAIN WINDS GREATER THAN 58 MILES AN HOUR... DIME SIZE HAIL OR LARGER...VERY HEAVY RAINS AND DEADLY LIGHTNING. STAY TUNED TO NOAA WEATHER RADIO...THE VOICE OF THE NATIONAL WEATHER SERVICE...OR TO COMMERCIAL RADIO OR TELEVISION STATIONS FOR THE LATEST STORM INFORMATION. JONES/SZATKOWSKI
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 1, 6:09 PM EDT | Severe Thunderstorm Warning | PHI | Camden, Gloucester | 46 min |
| May 1, 6:09 PM EDT | Severe Thunderstorm Warning | PHI | Salem | 46 min |
| May 1, 6:30 PM EDT | Severe Thunderstorm Warning | PHI | Burlington | 40 min |
| May 1, 6:49 PM EDT | Severe Thunderstorm Warning | PHI | Mercer | 51 min |
| May 1, 6:54 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Monmouth, Ocean | 46 min |
| May 1, 6:54 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex | 46 min |
| May 1, 7:05 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic | 45 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 1997Every severe thunderstorm warning in 1997
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.