Alert archive / Virginia / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 121, NWS Baltimore/Washington
NWS Baltimore/Washington issued this severe thunderstorm warning at Jun 15, 2000, 5:31 PM EDT for Shenandoah County, Virginia; Hardy County, West Virginia. It was in force for 44 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 15, 2000, 5:31 PM EDT (21:31 UTC)
- Expired
- Jun 15, 2000, 6:15 PM EDT
- In force
- 44 min
- Issued by
- NWS Baltimore/Washington
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Shenandoah County, VA, Hardy County, WV
The radar
The Sterling radar (KLWX), 106 km from the middle of the area, began a volume at 21:33 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 15, 5:40 PM EDT | Thunderstorm Wind | Lost River, WV | Several trees were downed. |
| Jun 15, 6:00 PM EDT | Thunderstorm Wind | Countywide, VA | Trees were downed in New Market and Tom's Brook and a barn roof was damaged. |
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 15, 2:15 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 15, 12:30 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 9.5 hours before the alert went out and 114 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
- 59 J/kg
- Mixed-layer CIN
- -184 J/kg
- Mixed-layer LCL
- 598 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 103 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Baltimore/Washington wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 15, 2:35 PM EDT, 2 hours 56 minutes earlier.
Area forecast discussion, Jun 15, 2:35 PM EDT, 2 hours 56 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON 235 PM EDT THU JUN 15 2000 REAL BUSY...AND RUNNING LATE INSTAB AXIS TO CROSS AREA TAFTN/EVE...COVERED BY WATCHES AS APPRO. WUD XPCT FG TO RDVLP TNGT IN SOUPY AMS. DONT SEE GOOD TRIGGER TMRW/TMRW NGT...AND WL KEEP POPS OUT. S/WV/CDFNT APPRCHG AREA SAT WL SPARK NXT CHC. TEMP FCST WL SMWHT RFLCT PERSISTENCE...90ISH BY DAY/ARND 70 BY NGT. WL DO BEST TO GET ZFP OUT BY 4PM. .LWX... DC...SVR TSTM WATCH TIL 8PM. MD...SVR TSTM WATCH TIL 6PM MDZ002 AND TIL 8PM 003>007-009-011-013-014. VA...SVR TSTM WATCH TIL 7PM VAZ021-025-026-036-037 AND TIL 8PM NRN SHEN VLY/DC METRO. WV...SVR TSTM WATCH TIL 6PM WVZ048>050-054-055 AND TIL 8PM 051-053. HTS
The office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 15, 2:16 PM EDT | Severe Thunderstorm Warning | LWX | Frederick | 44 min |
| Jun 15, 4:44 PM EDT | Severe Thunderstorm Warning | LWX | Clarke, Loudoun | 46 min |
| Jun 15, 5:12 PM EDT | Severe Thunderstorm Warning | LWX | Loudoun | 48 min |
| Jun 15, 5:31 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, City of Winchester | 44 min |
| Jun 15, 6:19 PM EDT | Severe Thunderstorm Warning | LWX | Clarke, Fauquier, Loudoun | 41 min |
| Jun 15, 6:19 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, City of Winchester | 41 min |
| Jun 15, 6:19 PM EDT | Severe Thunderstorm Warning | LWX | Warren | 41 min |
| Jun 15, 6:42 PM EDT | Tornado Warning | LWX | Clarke, Fauquier, Loudoun | 33 min |
| Jun 15, 7:10 PM EDT | Severe Thunderstorm Warning | LWX | Fairfax, Loudoun, City of Fairfax, City of Falls Church | 50 min |
| Jun 15, 7:22 PM EDT | Tornado Warning | LWX | Loudoun | 23 min |
| Jun 15, 7:22 PM EDT | Tornado Warning | LWX | Fairfax, City of Falls Church | 23 min |
| Jun 15, 7:22 PM EDT | Tornado Warning | LWX | City of Fairfax | 23 min |
| Jun 15, 7:34 PM EDT | Severe Thunderstorm Warning | LWX | Arlington | 41 min |
| Jun 15, 7:34 PM EDT | Severe Thunderstorm Warning | LWX | City of Alexandria | 41 min |
| Jun 15, 4:29 PM EDT | Severe Thunderstorm Warning | LWX | Frederick | 46 min |
| Jun 15, 6:12 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 33 min |
| Jun 15, 6:17 PM EDT | Severe Thunderstorm Warning | LWX | Jefferson | 43 min |
Nearby
Severe Thunderstorm Warnings in Virginia, 2000Severe Thunderstorm Warnings in West Virginia, 2000Every severe thunderstorm warning in 2000
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.