Alert archive / Virginia / Tornado Warnings in 1998
Tornado Warning 8, NWS Baltimore/Washington
NWS Baltimore/Washington issued this tornado warning at Jun 2, 1998, 9:55 PM EDT for Loudoun County, Virginia. It was in force for 50 min. 2 reports 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 2, 1998, 9:55 PM EDT (01:55 UTC)
- Expired
- Jun 2, 1998, 10:45 PM EDT
- In force
- 50 min
- Issued by
- NWS Baltimore/Washington
- Area
- Whole counties
County Loudoun County, VA
The radar
The Sterling radar (KLWX), 18 km from the middle of the area, began a volume at 01:58 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 |
|---|---|---|---|
| Jun 2, 10:04 PM EDT | Hail 1.75 | Middleburg, VA | |
| Jun 2, 10:10 PM EDT | Tornado F0 | Bluemont, VA |
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 |
|---|---|---|---|
| Jun 2, 6:45 PM EDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 00:00Z, 1.9 hours before the alert went out and 26 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
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KWBC 030155 RRA TORWBC VAC107-030245- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON 955 PM EDT TUE JUN 2 1998 THE NATIONAL WEATHER SERVICE IN STERLING VA HAS ISSUED A * TORNADO WARNING FOR... LOUDOUN COUNTY VA * UNTIL 1045 PM EDT * AT 953 PM EDT... DOPPLER RADAR INDICATED... A TORNADO... 8 MILES SOUTHWEST OF PURCELLVILLE OR 3 MILES NORTH NORTHWEST OF SAINT LOUIS MOVING SOUTHEAST AT 35 MPH. THIS STORM WAS ALSO PRODUCING GOLFBALL SIZE HAIL NEAR BERRYVILLE * THE TORNADO WILL BE NEAR... SAINT LOUIS AROUND 956 PM EDT MIDDLEBURG AROUND 1002 PM EDT ALDIE AROUND 1008 PM EDT ARCOLA AROUND 1018 PM EDT IF YOU ARE IN THE PATH OF THIS TORNADO MOVE TO A BASEMENT. IF YOU DON'T HAVE A BASEMENT...GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUILDING. AVOID WINDOWS...DOORS AND OUTSIDE WALLS. ABANDON MOBILE HOMES AND VEHICLES FOR A BUILDING. STAY TUNED TO TV...RADIO AND NOAA WEATHER RADIO FOR UPDATES AND WARNINGS. ADS
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, 10:24 PM EDT | Tornado Warning | LWX | Frederick, City of Winchester | 46 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 |
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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.