Alert archive / Virginia / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 22, NWS Baltimore/Washington
NWS Baltimore/Washington issued this severe thunderstorm warning at May 7, 2000, 11:38 PM EDT for Fauquier 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
- May 7, 2000, 11:38 PM EDT (03:38 UTC)
- Expired
- May 8, 2000, 12:30 AM EDT
- In force
- 52 min
- Issued by
- NWS Baltimore/Washington
- Area
- Whole counties
County Fauquier County, VA
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 00:00Z, 3.6 hours before the alert went out and 42 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
- 472 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 2353 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 78 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 080340 SVRWBC VAC061-080430- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BALTIMORE-WASHINGTON 1138 PM EDT SUN MAY 7 2000 THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... THE NORTH PART OF FAUQUIER COUNTY IN NORTHERN VIRGINIA * UNTIL 1230 AM EDT * AT 1138 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL OVER LINDEN...OR ABOUT 6 MILES SOUTHEAST OF FRONT ROYAL...MOVING EAST AT 25 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... DELAPLANE AT 1152 PM EDT MARSHALL AT MIDNIGHT EDT HALFWAY AT 1214 AM 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/ GUSTIN
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 7, 9:17 PM EDT, 2 hours 21 minutes earlier.
Area forecast discussion, May 7, 9:17 PM EDT, 2 hours 21 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON 917 PM EDT SAT MAY 6 2000 H5 RDG IS WKNG AND FLATTENING OUT THIS EVE AS SHRTWV ENERGY MOVES THROUGH NEW ENG AND ANOTHER SHRTWV MVS INTO KY/IN. THIS KY/IN SHRTWV WL HEAD EWD...WEAKEN AND SHEAR OUT OVR THE RGN MON. H5 RDG WL BUILD OVR THE AREA AGAIN TUE AHEAD OF THE NXT SHRTWV MOVING INTO THE WRN OH VLY. DESPITE THE LACK OF A SYNOPTIC TRIGGER...ENUF INSTABILITY DVLPD THIS AFTRN TO TRIGGER ISOLD CNVCTN IN THE MTNS AND SW COUNTIES. A FEW CELLS ARE HOLDING ON OVR THE HIGHLANDS BUT EXPECT THEM TO DIE NXT FEW HRS AS WE LOOSE THE INSTABILITY. WL TAKE A LAST LOOK AT THE 88D BFR ISSUING ZNS TO SEE IF WE NEED TO KEEP A LOW POP IN THAT AREA FOR A FEW MORE HRS. 01Z DWPTS INDICATE MIN TEMPS ARE IN LINE SO NO ADJUSTMENT NEEDED THERE. WL CHG FAR WRN AREAS TO P/C AS SATELLITE IMAGERY SHOWS HI CLDS ADVANCING TOWARD THAT AREA AHEAD OF THE KY/IN SHRTWV. WE HAVE HAD ISOLD CNVCTN THE PAST 2 DAYS WITH NO EVIDENT SYNOPTIC SCALE TRIGGER. ON MON...CONDS APPEAR TO BE MORE FAVORABLE FOR CNVCTN. WKNG SHRTWV WL MOVE INTO THE AREA DURING THE AFTRN. 18Z ETA SHOWS LIS ARE NEGATIVE AND CAPES REACH 500 TO 1000. IN ADDTN...PCP WATER IS OVR 1.25"...TTS AROUND AROUND 50 AND KINDEX AROUND 30. I HATE TO ADD THE POP FOR THE 2ND PD ON THIS SHIFT BUT MDLS ARE TOO COMPELLING. IN ADDTN...ALL SURROUNDING OFFICES ADJOINING OUR ZNS HAVE A POP IN FOR MON. WE WL GO AHEAD AND ADD A 30 POP FOR TSRA FOR ALL AREAS MON EXCEPT RIGHT ALG THE BAY WHERE ANY SCT/ISOLD CNVCTN WOULD HOLD OFF TIL 3RD PD. MID SHIFT CAN EXPAND THE POP EWD FOR MON EVE IF 00Z GUIDANCE COMPELLS THEM TO DO SO. 850MB TEMPS COOL A COUPLE OF DEG ON MON WHICH WHEN COMBINED WITH CLDNS FROM WKNG SHRTWV MAY HOLD TEMPS DOWN A DEG OR TWO FROM TDAS NUMBERS. RIGHT NOW WL NOT TINKER WITH THE MAX TEMPS AND WL PASS ALG OUR THOUGHTS TO THE MID SHIFT. NO 3RD OR 4TH PD CHGS. .LWX...NONE.
The office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 10:09 PM EDT | Severe Thunderstorm Warning | LWX | Shenandoah | 51 min |
| May 7, 10:55 PM EDT | Severe Thunderstorm Warning | LWX | Shenandoah, Warren | 50 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.