Alert archive / Virginia / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 45, NWS Baltimore/Washington
NWS Baltimore/Washington issued this severe thunderstorm warning at Jun 13, 1998, 2:50 AM EDT for Highland County, Virginia; Pendleton County, West Virginia. It was in force for 65 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 13, 1998, 2:50 AM EDT (06:50 UTC)
- Expired
- Jun 13, 1998, 3:55 AM EDT
- In force
- 65 min
- Issued by
- NWS Baltimore/Washington
- Area
- Whole counties
Counties Highland County, VA, Pendleton County, WV
The radar
The Sterling radar (KLWX), 178 km from the middle of the area, began a volume at 06:52 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 13, 1:00 AM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 00:00Z, 6.8 hours before the alert went out and 217 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
- 1057 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 1287 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 56 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.8
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 13, 1:54 PM EDT | Severe Thunderstorm Warning | LWX | Greene, Rockingham | 51 min |
| Jun 13, 2:12 PM EDT | Severe Thunderstorm Warning | LWX | Warren | 48 min |
| Jun 13, 2:19 PM EDT | Tornado Warning | LWX | Clarke, Fauquier, Warren | 51 min |
| Jun 13, 2:30 PM EDT | Severe Thunderstorm Warning | LWX | Orange | 60 min |
| Jun 13, 2:37 PM EDT | Tornado Warning | LWX | Loudoun | 48 min |
| Jun 13, 2:45 PM EDT | Severe Thunderstorm Warning | LWX | Loudoun | 50 min |
| Jun 13, 3:06 PM EDT | Severe Thunderstorm Warning | LWX | Spotsylvania | 64 min |
| Jun 13, 3:10 PM EDT | Severe Thunderstorm Warning | LWX | Culpeper, Fauquier | 50 min |
| Jun 13, 3:13 PM EDT | Severe Thunderstorm Warning | LWX | Fairfax | 47 min |
| Jun 13, 3:23 PM EDT | Severe Thunderstorm Warning | LWX | Arlington, City of Falls Church | 77 min |
| Jun 13, 3:23 PM EDT | Severe Thunderstorm Warning | LWX | City of Alexandria | 77 min |
| Jun 13, 3:41 PM EDT | Severe Thunderstorm Warning | LWX | Howard | 49 min |
| Jun 13, 3:57 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, City of Baltimore | 48 min |
| Jun 13, 4:19 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel | 46 min |
| Jun 13, 1:13 AM EDT | Severe Thunderstorm Warning | LWX | Berkeley, Jefferson | 62 min |
| Jun 13, 1:29 PM EDT | Severe Thunderstorm Warning | LWX | Hardy | 31 min |
Nearby
Severe Thunderstorm Warnings in Virginia, 1998Severe Thunderstorm Warnings in West Virginia, 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.