Alert archive / Maryland / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 106, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 26, 1998, 7:19 PM EDT for Cecil County, Maryland. It was in force for 41 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
- Jun 26, 1998, 7:19 PM EDT (23:19 UTC)
- Expired
- Jun 26, 1998, 8:00 PM EDT
- In force
- 41 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Whole counties
County Cecil County, MD
The radar
The Dover AFB radar (KDOX), 93 km from the middle of the area, began a volume at 23:18 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 |
|---|---|---|---|
| Jun 26, 2:15 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 26, 3:30 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 11.3 hours before the alert went out and 17 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
- 507 J/kg
- Mixed-layer CIN
- -148 J/kg
- Mixed-layer LCL
- 1558 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 119 m²/s²
- 0-3 km storm-relative helicity
- 105 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
884 WUUS1 KPHL 262320 RRA SVRPHL MDC015-270000- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 719 PM EDT FRI JUN 26 1998 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN CECIL COUNTY IN MARYLAND * UNTIL 800 PM EDT * AT 717 PM EDT... A DEVELOPING SEVERE THUNDERSTORM WAS INDICATED 5 MILES WEST NORTHWEST OF CRYSTAL BEACH... BY NATIONAL WEATHER SERVICE DOPPLER RADAR... MOVING EAST 35 MPH. * THE SEVERE THUNDERSTORM IS EXPECTED TO BE NEAR... EARLEVILLE AT 724 PM EDT TOWN POINT AT 725 PM EDT CECILTON AT 725 PM EDT HACK POINT AT 725 PM EDT CHESAPEAKE CITY AT 730 PM EDT WARWICK AT 735 PM EDT 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. WN/TG
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 26, 4:13 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 47 min |
| Jun 26, 5:44 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's | 46 min |
Nearby
Severe Thunderstorm Warnings in Maryland, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.