Alert archive / Virginia / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 93, NWS Baltimore/Washington
NWS Baltimore/Washington issued this severe thunderstorm warning at May 23, 2000, 8:14 PM EDT for Highland County, Virginia. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.
The facts
- Issued
- May 23, 2000, 8:14 PM EDT (00:14 UTC)
- Expired
- May 23, 2000, 8:45 PM EDT
- In force
- 31 min
- Issued by
- NWS Baltimore/Washington
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Highland County, VA
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 23, 7:45 PM EDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Roanoke, VA (KRNK), launched 00:00Z, 0.2 hours before the alert went out and 122 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
- 191 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1048 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 111 m²/s²
- 0-3 km storm-relative helicity
- 135 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 2.9
The text
As transmitted, in the capitals the NWS used until 2016.
815 WUUS51 KLWX 240014 SVRWBC VAC091-240045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BALTIMORE-WASHINGTON 814 PM EDT TUE MAY 23 2000 THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... HIGHLAND COUNTY IN WESTERN VIRGINIA * UNTIL 845 PM EDT * AT 813 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL 3 MILES SOUTH OF MILL GAP...OR ABOUT 35 MILES WEST OF STAUNTON...MOVING EAST AT 25 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... MUSTOE AT 816 PM EDT CLOVER CREEK...WILLIAMSVILLE AT 830 PM EDT MCDOWELL AT 834 PM EDT LIBERTY AT 840 PM EDT SEEK SAFETY INDOORS AWAY FROM WINDOWS. IF CAUGHT OUTSIDE...DO NOT STAND UNDERNEATH TREES OR OTHER ISOLATED OBJECTS. DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. 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. .END/ HTS LAT...LON 3839 7976 3822 7982 3812 7946 3834 7937
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 May 23, 1:45 PM EDT, 6 hours 29 minutes earlier.
Area forecast discussion, May 23, 1:45 PM EDT, 6 hours 29 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON 145 PM EDT TUE MAY 23 2000 AT 17Z...1ST WAVE OF SHRA OVER W CWA AND 2ND ROUND W OF MTNS. 1ST BATCH LEFTOVER FROM MORNING CONVECTION W OF MTNS AND 2ND BATCH ASSOC WITH SIG UL TROF/VORT. TROF WILL SWING ACROSS CWA 00Z-06Z AND VORT WILL CROSS ALL BUT FAR S CWA. SIG VVEL GENERATED AT 700/500MB AND LIS DROP TO -1 TO -2. SPC HAS SLIGHT RISK POSTED W OF APPALACHIAN SPINE TONIGHT. EXPECT SCT SHRA AND TSRA ASSOC WITH FEATURE IN W OH AND CENT KY TO REACH W CWA BY LATE AFT AND E CWA THIS EVE. PRECIP SHUD COME TO AN END BEFORE MIDNIGHT. SFC REFLECTION OF UL FEATURE IS PRE-FRONTAL TROF THAT WILL CROSS CWA BEFORE 06Z. THIS WILL SHIFT WINDS W AND HELP DRY OUT AIR MASS. LLJET OF 30-40KTS SETS UP OVERNIGHT WITH DOWNSLOPE FLOW AND SOUNDING PROGS SHOW SIG DRYING IN MID TO UPPER LEVELS. ATMOS WILL DECOUPLE OVERNIGHT SO WINDS WILL NOT BE ABLE TO MIX DOWN UNTIL TOM. EXPECT SOME CLEARING AFTER PRE-FRONTAL TROF AND PTLY SUNNY SKIES WED MORNING. MCS FCST TO DEVELOP OVER KY 06Z TONIGHT. ETA FCSTS CONVECTION TO MOVE INTO SW VA 12Z AND REMANT CLDS INTO NC 18Z. NGM TRACK SENDS REMNANTS TO SE VA 18Z. WILL NEED TO MONITOR TO SEE IF CLDS WILL IMPACT CWA TOM MORN IMPACTING HEATING POTENTIAL FOR TSTM DEVELOPMENT TOM AFT. GOOD CHANCE OF SCT TSRA ALONG AND AHEAD OF COLD FRONT SWINGING ACROSS CWA WED EVE. COND DONT LOOK AS IMPRESSIVE TOM AFT AS THEY DID YEST BUT THERE ARE STILL SEVERAL FACTORS IN FAVOR INCLUDING STRONG 250MB JET OVERHEAD...35KT LLJET WITH WAA...-2 TO -3 LIS... TIMING OF FROPA...AND WEAK 500MB DIVERGENCE. BIGGEST NEGATIVE IS LIMITED MOISTURE. SPC DAY2 OUTLOOK HAS CWA IN SLIGHT RISK. PRECIP WILL END WED NIGHT AFTER FROPA AND NOT MUCH WIND SHIFT OR COLD AIR BEHIND FRONT AS UPPER LEVEL FLOW TURNS ZONAL. EXPECT TEMPS IN THE 80S THURS UNDER PTCLDY SKIES WITH BREEZY DOWNSLOPE FLOW. LOOKING AHEAD...HI PRES BUILDS INTO CWA THU NITE AND FRI. LOW PRES DEVELOPS OVER S PLAINS FRI AND PUSHES NEWARD. A WARM FRONT WILL CROSS CWA SAT AND COLD FRONT WILL CROSS CWA SUN. PLANNING TO ADD CHANCE SHRA/TSRA TO SAT NIGHT AND SUN FCST. .LWX..NONE. MMARGRAF
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.