Alert archive / Virginia / Flash Flood Warnings in 2000

Flash Flood Warning 4, NWS Baltimore/Washington

June 17, 2000Albemarle County, City of Charlottesville, Virginia

NWS Baltimore/Washington issued this flash flood warning at Jun 17, 2000, 8:47 PM EDT for Albemarle County, City of Charlottesville, Virginia. It was in force for 58 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
Jun 17, 2000, 8:47 PM EDT (00:47 UTC)
Expired
Jun 17, 2000, 9:45 PM EDT
In force
58 min
Issued by
NWS Baltimore/Washington
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Albemarle County, VA, City of Charlottesville, VA

The nearest sounding before it

Roanoke, VA (KRNK), launched 00:00Z, 0.8 hours before the alert went out and 128 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.

Skew-T log-pSkew-T log-p diagram, Roanoke, VA at 00:00Z on 2000-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1079 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Roanoke, VA at 00:00Z on 2000-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1079 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
915 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
57 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS51 KLWX 180050
FFWLWX
VAC003-540-180145-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BALTIMORE-WASHINGTON
847 PM EDT SAT JUN 17 2000

THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ALBEMARLE COUNTY IN CENTRAL VIRGINIA
  CITY OF CHARLOTTESVILLE IN CENTRAL VIRGINIA

* UNTIL 945 PM EDT

* AT 842 PM EDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY
  RAIN OVER CROZET...MOVING EAST AT 15 MPH.

* THE THUNDERSTORM WITH EXCESSIVE RAINFALL WILL BE NEAR...
   FREE UNION AT 858 PM EDT
   CHARLOTTESVILLE AT 914 PM EDT

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE. IF Y\OUR VEHICLE STALLS, ABANDON IT IMMEDIATELY AND SEEK
HIGHER GROUND.

TO REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN STERLING VIRGINIA.

LAT...LON 3812 7884 3801 7868 3802 7829 3820 7828

What forecasters said that day

The local office's own words before this flash flood 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 flash flood warning went out at Jun 17, 2:59 PM EDT, 5 hours 48 minutes earlier.

Area forecast discussion, Jun 17, 2:59 PM EDT, 5 hours 48 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON
259 PM EDT SAT JUN 17 2000

UNSTTLD WX PTTN TO CONT NXT CPL DAYS. CDFNT DROPPING SE TAFTN W/
SHRA/TSTMS ALNG IT. MDLS...ESP ETA...APPR TO SFFR FM CNVCTV FEEDBACK
AS THEY INITIALIZE POORLY QPF-WISE. DO FEEL LIKELY POPS
JUSTIFIED...ESP NW. INSTAB CONTS MDST...BUT LAPSE RATES DO NOT
IMPRESS. PWS DO THO...ON THE ORDER OF 1.5 TO 2 INCHES. IN LGT OF
REL LOW FFG DUE TO RECENT RAFL...WL ADD A CPL OF CNTIES TO FFW...AND
CONT IT INTO TMRW.

JET DYNAMICS LACKING TDA WL ARRIVE TMRW. BIG QSTN IS WHR WL CDFNT
SET UP AS THAT WL HV BIG IMPLICATIONS ON BOTH SVR POTL AND MAXT.
DONT XPCT IT TO PASS THRU FA...BUT FEEL AVN NOT GOING FAR ENUF.
IMPULSES WL RIDE ALNG FRNT...W/ 25-30 KT H8-7 LLJ...APPCH OF RRQ OF
UPR JET...DIFF HTG AND CONVG FORCED UVV AIDING TSTM DVLPMNT S OF THE
BNDRY. WL KEEP WM/UNSTBL AMS TO THE SRN SXNS OF FA...AND W/ ONSHR
WND...KEEP IT SOMEWHAT STABLE TO THE NE.

TEMPS TNGT LOOK OK. BIG GAINS/LOSSES PSBL TMRW. WL SIDE W/ OR SLGTLY
ABV FWC TO THE S...BUT SHADE DWNWD UP TO 1 CAT CNTRL AND N.  NO
CMPLAINTS 3RD/4TH PDS.

XTNDD...CDFNT STILL CRIS-CROSSING AREA...TO THE S TUE...MVG NWD
WED...AND BACK TO THE S THURS. WL KEEP SHRA/TSTM CHCS AFTN/EVE WED
AND THURS.

DRAFT ZFP IN AWIPS. ZFP/RDF/EOL/FFA ALL WIBIS ARND 330 PM.

FCSTID = 50
DCA   69  80  64  80 /  70  70  60  20
BWI   68  76  64  79 /  70  70  60  20
MRB   65  74  58  78 /  70  70  60  20

.LWX...
DC...NONE.
MD...FFA TNGT AND SUN MDZ002>003.
VA...FFA TNGT AND SUN VAZ028.
WV...FFA TNGT AND SUN WVZ048>052-055.

Nearby

Flash Flood Warnings in Virginia, 2000Every flash flood 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.