Alert archive / New Jersey / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 87, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 20, 1998, 5:08 PM EDT for Atlantic County, Cape May County, New Jersey. It was in force for 32 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
- Jun 20, 1998, 5:08 PM EDT (21:08 UTC)
- Expired
- Jun 20, 1998, 5:40 PM EDT
- In force
- 32 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Whole counties
Counties Atlantic County, NJ, Cape May County, NJ
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 20, 5:40 PM EDT | Hail 0.75 | Mays Lndg, 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 nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 12:00Z, 9.1 hours before the alert went out and 160 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
- 1094 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 729 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 39 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KPHL 202108 RRA SVRPHL ANZ431-452>454-NJC001-009-202140- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 508 PM EDT SAT JUN 20 1998 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHEASTERN ATLANTIC COUNTY INCLUDING ADJACENT COASTAL WATERS IN NEW JERSEY NORTHEASTERN CAPE MAY COUNTY INCLUDING ADJACENT COASTAL WATERS IN NEW JERSEY * UNTIL 540 PM EDT AT 505 PM...NATIONAL WEATHER SERVICE RADAR INDIACTED A SEVERE THUNDERSTORM IN THE VICINITY OF OCEAN CITY. THE STORM WAS DRIFTING TO THE SOUTHEAST. THERE HAVE BEEN REPORTS OF LARGE HAIL WITH THIS STORM. QUARTER SIZE HAIL WAS REPORTED IN OCEAN CITY. THIS IS A DANGEROUS STORM. MOVE INSIDE A STRONG BUILDING AND DO NOT STAND NEAR WINDOWS. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. DO NOT DRIVE YOUR CAR WHERE WATER COVERS THE ROADWAY. THE WATER MAY BE DEEPER THAN YOU THINK. IF CAUGHT IN RISING FLOOD WATERS... ABANDON YOUR CAR QUICKLY AND MOVE TO HIGHER GROUND. FOR THE LATEST STORM INFORMATION...PLEASE TUNE TO NOAA WEATHER RADIO...YOUR LOCAL RADIO OR TELEVISION STATIONS...OR YOUR CABLE TELEVISION OUTLET. AC/DI &
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 5:12 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex | 33 min |
| Jun 20, 5:39 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic | 36 min |
| Jun 20, 6:21 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cape May | 44 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 1998Every severe thunderstorm warning in 1998
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.