Alert archive / Virginia / Tornado Warnings in 1998
Tornado Warning 10, NWS Baltimore/Washington
NWS Baltimore/Washington issued this tornado warning at Jun 2, 1998, 10:24 PM EDT for Frederick County, City of Winchester, Virginia. It was in force for 46 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 2, 1998, 10:24 PM EDT (02:24 UTC)
- Expired
- Jun 2, 1998, 11:10 PM EDT
- In force
- 46 min
- Issued by
- NWS Baltimore/Washington
- Area
- Whole counties
Counties City of Winchester, VA, Frederick County, VA
The radar
The Sterling radar (KLWX), 67 km from the middle of the area, began a volume at 02:25 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 2, 6:45 PM EDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 00:00Z, 2.4 hours before the alert went out and 75 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
- 1513 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 1158 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 229 m²/s²
- 0-3 km storm-relative helicity
- 416 m²/s²
- Significant tornado parameter
- 2.2
- Supercell composite
- 11.8
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
The office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 2, 8:54 PM EDT | Tornado Warning | LWX | Frederick, City of Winchester | 51 min |
| Jun 2, 9:26 PM EDT | Severe Thunderstorm Warning | LWX | Clarke | 49 min |
| Jun 2, 9:43 PM EDT | Severe Thunderstorm Warning | LWX | Loudoun | 62 min |
| Jun 2, 9:55 PM EDT | Tornado Warning | LWX | Loudoun | 50 min |
| Jun 2, 11:06 PM EDT | Severe Thunderstorm Warning | LWX | Clarke | 49 min |
| Jun 2, 11:29 PM EDT | Severe Thunderstorm Warning | LWX | Fauquier | 46 min |
| Jun 2, 8:05 PM EDT | Tornado Warning | LWX | Allegany | 45 min |
| Jun 2, 8:43 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 32 min |
| Jun 2, 8:48 PM EDT | Severe Thunderstorm Warning | LWX | Allegany | 47 min |
| Jun 2, 9:40 PM EDT | Tornado Warning | LWX | Allegany | 65 min |
| Jun 2, 8:25 PM EDT | Tornado Warning | LWX | Hampshire | 45 min |
| Jun 2, 9:18 PM EDT | Severe Thunderstorm Warning | LWX | Berkeley, Morgan | 47 min |
| Jun 2, 10:01 PM EDT | Tornado Warning | LWX | Hampshire, Mineral | 64 min |
| Jun 2, 10:34 PM EDT | Tornado Warning | LWX | Hampshire, Mineral | 51 min |
Nearby
Tornado Warnings in Virginia, 1998Every tornado warning in 1998Tornadoes 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.