Alert archive / Virginia / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 155, NWS Baltimore/Washington
NWS Baltimore/Washington issued this severe thunderstorm warning at Jun 26, 2000, 6:53 PM EDT for Fauquier County, Loudoun County, Virginia. It was in force for 52 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 26, 2000, 6:53 PM EDT (22:53 UTC)
- Expired
- Jun 26, 2000, 7:45 PM EDT
- In force
- 52 min
- Issued by
- NWS Baltimore/Washington
- Area
- Whole counties
Counties Fauquier County, VA, Loudoun County, VA
The radar
The Sterling radar (KLWX), 21 km from the middle of the area, began a volume at 22:54 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 nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 10.9 hours before the alert went out and 28 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
- 130 J/kg
- Mixed-layer CIN
- -170 J/kg
- Mixed-layer LCL
- 979 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 146 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 26, 2:30 PM EDT, 4 hours 23 minutes earlier.
Area forecast discussion, Jun 26, 2:30 PM EDT, 4 hours 23 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON 230 PM EDT MON JUN 26 2000 MDL GUIDANCE LATE THIS AFTRN AND USING ICWF...SO FCST BASED ON 00Z CYCLE WITH LAST MINUTE INPUT FROM WHAT IS AVBL FROM THE 12Z CYCLE. ATMS OVR THE AREA CONTS UNSTABLE THIS AFT. NO SYNOPTIC SCALE TRIGGER TO ACT ON. HOWEVER...ISOLD/SCT CNVCTN PSBL THRU EARLY EVE ALONG MESOSCALE FEATURES AND OVR MTNS WHERE OROGRAPHIC LIFT WL ENHANCE DVLPMT. AFTER SUNSET...EXPECT ACTIVITY TO DIE OFF AND BE GONE BY MIDNGT. LOOKS LIKE A BETTER CHC OF MORE ORGANIZED CONVECTION ON TUE. SHRTWV MVS TOWARD THE AREA FM W. THE ASSOCD SFC BNDRY APPROACHES DURING THE AFT/EVE HRS. WILL CONTINUE WITH THE IDEA OF LIKELY POPS. WL WORD IT AS AFT/EVE OVR THE MTNS AND LATE AFT/EVE E OF THE MTNS. SFC BNDRY GETS HUNG UP OVR THE AREA TUE NIGHT AND WED AS IT BECOMES PARALLEL TO UPR LVL FLO SO WL KEEP POPS IN FCST INTO 4TH PD. FCSTID = 15 .LW!X... DC...NONE. MD...NONE. VA...NONE. WV...NONE.
The office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 25, 8:52 PM EDT | Severe Thunderstorm Warning | LWX | Fairfax | 38 min |
| Jun 25, 11:48 PM EDT | Flash Flood Warning | LWX | Fauquier, Loudoun | 117 min |
| Jun 26, 2:34 PM EDT | Severe Thunderstorm Warning | LWX | Albemarle, City of Charlottesville | 41 min |
| Jun 26, 2:34 PM EDT | Severe Thunderstorm Warning | LWX | Orange | 41 min |
| Jun 26, 3:17 PM EDT | Severe Thunderstorm Warning | LWX | Fauquier, Prince William, City of Manassas, City of Manassas Park | 43 min |
| Jun 26, 3:59 PM EDT | Severe Thunderstorm Warning | LWX | Spotsylvania, Stafford, City of Fredericksburg | 31 min |
| Jun 26, 4:08 PM EDT | Severe Thunderstorm Warning | LWX | Nelson | 52 min |
| Jun 26, 4:18 PM EDT | Severe Thunderstorm Warning | LWX | Fauquier, Loudoun | 42 min |
| Jun 26, 4:30 PM EDT | Severe Thunderstorm Warning | LWX | Spotsylvania, Stafford, City of Fredericksburg | 45 min |
| Jun 26, 4:30 PM EDT | Severe Thunderstorm Warning | LWX | King George | 45 min |
| Jun 26, 5:02 PM EDT | Severe Thunderstorm Warning | LWX | Loudoun | 43 min |
| Jun 26, 6:33 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, City of Winchester | 57 min |
| Jun 26, 6:33 PM EDT | Severe Thunderstorm Warning | LWX | Clarke | 57 min |
| Jun 25, 9:02 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Frederick | 58 min |
| Jun 25, 9:48 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore | 42 min |
| Jun 26, 12:56 AM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Howard, Prince George's | 64 min |
| Jun 26, 1:11 AM EDT | Severe Thunderstorm Warning | LWX | Baltimore, City of Baltimore | 49 min |
| Jun 26, 3:52 PM EDT | Severe Thunderstorm Warning | LWX | Howard, Montgomery | 38 min |
| Jun 26, 4:24 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 51 min |
| Jun 26, 4:30 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 45 min |
| Jun 26, 4:46 PM EDT | Flash Flood Warning | LWX | Howard, Montgomery | 59 min |
| Jun 26, 5:40 PM EDT | Flash Flood Warning | LWX | Montgomery | 65 min |
| Jun 26, 6:17 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Saint Mary's | 43 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.