Alert archive / New Jersey / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 7, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Mar 29, 1997, 3:59 PM EST for Burlington County, New Jersey. It was in force for 61 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Mar 29, 1997, 3:59 PM EST (20:59 UTC)
- Expired
- Mar 29, 1997, 5:00 PM EST
- In force
- 61 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Whole counties
County Burlington County, NJ
The radar
The Philadelphia radar (KDIX), 23 km from the middle of the area, began a volume at 20:58 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 29, 4:10 PM EST | Thunderstorm Wind | Hainesport, NJ |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 29, 12:15 PM EST | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 9.0 hours before the alert went out and 188 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
- 1292 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 155 m²/s²
- 0-3 km storm-relative helicity
- 186 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 292100 RRA SVRPHL NJC005-292200- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PHILADELPHIA/MOUNT HOLLY NJ 359 PM EST SAT MAR 29 1997 THE NATIONAL WEATHER SERVICE IN PHILADELPHIA/MOUNT HOLLY NJ HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 500 PM EST FOR PEOPLE IN THE FOLLOWING LOCATION... IN NEW JERSEY ...CENTRAL BURLINGTON COUNTY A SEVERE THUNDERSTORM WAS INDICATED BY RADAR NEAR SHAMONG TOWNSHIP IN BURLINGTON COUNTY. THIS STORM WAS MOVING EAST NORTHEAST AT AROUND 30 MPH. THIS STROM WILL PRODUCE WIND GUSTS AROUND 60 MPH OR MORE...LARGE HAIL AND HEAVY DOWNPOURS. 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. DI/NPC
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 29, 3:44 PM EST | Severe Thunderstorm Warning | PHI | Camden, Gloucester | 46 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.