Alert archive / Virginia / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 252, NWS Baltimore/Washington
NWS Baltimore/Washington issued this severe thunderstorm warning at Aug 9, 2000, 5:25 PM EDT for City of Alexandria, 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
- Aug 9, 2000, 5:25 PM EDT (21:25 UTC)
- Expired
- Aug 9, 2000, 6:30 PM EDT
- In force
- 65 min
- Issued by
- NWS Baltimore/Washington
- Area
- Whole counties
County City of Alexandria, VA
The radar
The Sterling radar (KLWX), 43 km from the middle of the area, began a volume at 21:29 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 |
|---|---|---|---|
| Aug 9, 1:00 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 9, 5:00 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 9.4 hours before the alert went out and 35 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1259 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 71 m²/s²
- 0-3 km storm-relative helicity
- 117 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS51 KLWX 092127 SVRWBC DCC001-MDC017-031-033-VAC013-059-099-153-179-510-600-610-092230- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BALTIMORE-WASHINGTON 525 PM EDT WED AUG 9 2000 THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... DISTRICT OF COLUMBIA MONTGOMERY COUNTY IN CENTRAL MARYLAND PRINCE GEORGES COUNTY IN CENTRAL MARYLAND KING GEORGE COUNTY IN CENTRAL VIRGINIA ARLINGTON COUNTY IN NORTHERN VIRGINIA CITY OF ALEXANDRIA IN NORTHERN VIRGINIA CITY OF FAIRFAX IN NORTHERN VIRGINIA CITY OF FALLS CHURCH IN NORTHERN VIRGINIA FAIRFAX COUNTY IN NORTHERN VIRGINIA PRINCE WILLIAM COUNTY IN NORTHERN VIRGINIA STAFFORD COUNTY IN NORTHERN VIRGINIA CHARLES COUNTY IN SOUTHERN MARYLAND * UNTIL 630 PM EDT * AT 524 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM POOLESVILLE TO 14 MILES SOUTH OF STAFFORD...MOVING EAST AT 30 MPH. * SEVERE THUNDERSTORMS WILL BE... OVER RESTON AT 528 PM OVER DALE CITY...DUMFRIES AT 530 PM OVER BOYDS AT 532 PM OVER FAIRFAX...QUANTICO AT 534 PM OVER VIENNA...BURKE AT 536 PM IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY SHELTER AWAY FROM CREEK BEDS AND OTHER FLOOD-PRONE AREAS. REMEMBER...A SEVERE THUNDERSTORM CAN PRODUCE LARGE DAMAGING HAIL...DAMAGING WINDS IN EXCESS OF 55 MPH...DEAD>LY LIGHTNING...AND VERY HEAVY RAIN. AS THE STORM APPROACHES MOVE TO A PLACE OF SAFETY. TUNE INTO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR THE LATEST WEATHER INFORMATION.
The office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 2:46 PM EDT | Severe Thunderstorm Warning | LWX | Augusta, City of Staunton | 44 min |
| Aug 9, 2:46 PM EDT | Severe Thunderstorm Warning | LWX | Highland | 44 min |
| Aug 9, 3:01 PM EDT | Severe Thunderstorm Warning | LWX | Page, Rockingham, Shenandoah | 44 min |
| Aug 9, 3:01 PM EDT | Severe Thunderstorm Warning | LWX | City of Harrisonburg | 44 min |
| Aug 9, 3:24 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Shenandoah, Warren | 66 min |
| Aug 9, 3:24 PM EDT | Severe Thunderstorm Warning | LWX | City of Winchester | 66 min |
| Aug 9, 3:44 PM EDT | Severe Thunderstorm Warning | LWX | Albemarle, City of Charlottesville | 46 min |
| Aug 9, 3:44 PM EDT | Severe Thunderstorm Warning | LWX | Greene, Madison, Page, Rockingham | 46 min |
| Aug 9, 3:44 PM EDT | Severe Thunderstorm Warning | LWX | Augusta, City of Staunton, City of Waynesboro | 46 min |
| Aug 9, 3:44 PM EDT | Severe Thunderstorm Warning | LWX | Culpeper, Rappahannock | 46 min |
| Aug 9, 3:44 PM EDT | Severe Thunderstorm Warning | LWX | City of Harrisonburg | 46 min |
| Aug 9, 4:24 PM EDT | Severe Thunderstorm Warning | LWX | Clarke, Frederick | 66 min |
| Aug 9, 4:24 PM EDT | Severe Thunderstorm Warning | LWX | Fairfax, Loudoun, Prince William, City of Fairfax, City of Falls Church | 66 min |
| Aug 9, 4:24 PM EDT | Severe Thunderstorm Warning | LWX | Culpeper, Fauquier, Stafford, Warren | 66 min |
| Aug 9, 4:24 PM EDT | Severe Thunderstorm Warning | LWX | Spotsylvania, City of Fredericksburg | 66 min |
| Aug 9, 4:24 PM EDT | Severe Thunderstorm Warning | LWX | Orange | 66 min |
| Aug 9, 4:24 PM EDT | Severe Thunderstorm Warning | LWX | City of Winchester | 66 min |
| Aug 9, 4:24 PM EDT | Severe Thunderstorm Warning | LWX | City of Manassas, City of Manassas Park | 66 min |
| Aug 9, 5:25 PM EDT | Severe Thunderstorm Warning | LWX | King George, Prince William, Stafford | 65 min |
| Aug 9, 5:25 PM EDT | Severe Thunderstorm Warning | LWX | Fairfax | 65 min |
| Aug 9, 5:25 PM EDT | Severe Thunderstorm Warning | LWX | Arlington | 65 min |
| Aug 9, 5:25 PM EDT | Severe Thunderstorm Warning | LWX | City of Fairfax | 65 min |
| Aug 9, 5:25 PM EDT | Severe Thunderstorm Warning | LWX | City of Falls Church | 65 min |
Nearby
Severe Thunderstorm Warnings in 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.