Alert archive / West Virginia / Flash Flood Warnings in 2000
Flash Flood Warning 24, NWS Baltimore/Washington
NWS Baltimore/Washington issued this flash flood warning at Aug 2, 2000, 4:31 PM EDT for Grant County, Hardy County, Pendleton County, West Virginia. It was in force for 119 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
- Aug 2, 2000, 4:31 PM EDT (20:31 UTC)
- Expired
- Aug 2, 2000, 6:30 PM EDT
- In force
- 119 min
- Issued by
- NWS Baltimore/Washington
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Grant County, WV, Hardy County, WV, Pendleton County, WV
The radar
The Sterling radar (KLWX), 155 km from the middle of the area, began a volume at 20:30 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
Roanoke, VA (KRNK), launched 12:00Z, 8.5 hours before the alert went out and 184 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
- 82 J/kg
- Mixed-layer CIN
- -67 J/kg
- Mixed-layer LCL
- 851 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- -29 m²/s²
- 0-3 km storm-relative helicity
- 30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS51 KLWX 022043 FFWLWX WVC023-031-071-022130- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BALTIMORE-WASHINGTON 431 PM EDT WED AUG 2 2000 THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A * FLASH FLOOD WARNING FOR... GRANT COUNTY IN EASTERN WEST VIRGINIA HARDY COUNTY IN EASTERN WEST VIRGINIA PENDLETON COUNTY IN EASTERN WEST VIRGINIA * UNTIL 630 PM EDT * AT 435 PM EDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN AT THE RATE OF 2 TO 3 INCHES PER HOUR OVER UPPER TRACK AND SENECA ROCKS AND AREAS TO THE NORTH AND NORTHEAST... MOVING NORTHEAST AT 5 MPH. * THIS IS A CLUSTER OF THUNDERSTORMS WITH EXCESSIVE RAINFALL WHICH WILL LIKELY MOVE INTO SOUTHERN GRANT AND HARDY COUNTIES. HOWEVER ADDITIONAL THUNDERSTORM ACTIVITY WILL BE MOVING ACROSS THE SAME AREAS DURING THE NEXT COUPLE HOURS FROM THE SOUTH-SOUTHWEST. 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 YOUR VEHICLE STALLS, ABANDON IT IMMEDIATELY AND SEEK HIGHER GROUND. TO REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN STERLING VIRGINIA...PLEASE CALL 1-800-253-7!091. LAT...LON 3883 7947 3869 7930 3883 7893 3903 7917
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 Aug 2, 2:00 PM EDT, 2 hours 31 minutes earlier.
Area forecast discussion, Aug 2, 2:00 PM EDT, 2 hours 31 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON 200 PM EDT WED AUG 2 2000 VORT MAX OVR ONTARIO WILL MOVE EWD INTO QUEBEC THU AND THU NIGHT WITH THE TAIL END OF THE VORT MAX SWEEPING THRU NEW ENG. THE ASSOCD CDFNT WILL PUSH THRU THE AREA THU EVE. AS THE SFC FNT BECOMES PARALLEL TO THE UPR LVL FLO AND ENERGY LIFTS OUT OF NEW ENG...THE FRONT WILL SLOW ITS SWD PROGRESS ON FRI BUT DRIER AIR WL SLOWLY PUSH INTO THE AREA. MDLS DO SHOW A WEAK VORT MAX RIDING NWD INTO THE AREA OVRNGT. THE NGM AND AVN SEEM TO LATCH ONTO THIS FEATURE AS A TRIGGER FOR SHRA/TSRA AND THE RESULT IS LIKELY POPS FROM BOTH MDLS. WE BELIEVE THE MODEL POPS ARE TOO HIGH. HOWEVER...WITH VORT MAX SHEARING NNE-WD THRU THE AREA AND WITH VERY MOIST ATMS...THINK CHC POPS ARE WARRANTED. ON THU...THERE IS A THREAT OF MORE ORGANIZED CONVECTION LATE IN THE DAY & THU NIGHT AS FRONT APPROACHES THE MOIST UNSTABLE AIR MASS IN PLACE OVR THE AREA. PLAN ON KEEPING HIGH CHC POPS WRN AREAS AND 40 POPS E OF THE BLUE RIDGE ON THU. WL HAVE CHC POPS EVERYWHERE THU NIGHT. ON FRI...NOT SURE HOW QUICK THE FRONT WL PUSH SWD SO WL KEEP SOME CLDNS IN THE FCST BUT LEAVE OUT MENTION OF ANY POPS AS DRIER AIR SLOWLY FILTERS IN FROM THE N. MRF SHOWING DRIER AIR PUSHING SWD INTO THE AREA SAT/SUN AS HIGH PRES BUILDS INTO THE AREA SO THE WEEKEND LOOKS DRY AND WARM. NEXT CDFNT SCHEDULED THRU HERE LATE MON WITH ANOTHER ROUND OF CONVECTION. FCSTID = 15 DCA 72 88 73 85 / 30 40 40 20 BWI 70 88 71 85 / 30 40 40 20 MRB 68 87 67 85 / 30 50 40 10 IAD 69 88 68 85 / 30 40 40 20 CHO 71 88 70 86 / 30 40 40 20 HGR 67 86 67 84 / 30 50 40 10 NHK 72 88 73 85 / 30 40 40 20 .LWX... DC...NONE. MD...NONE. VA...NONE. WV...NONE. END
The office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 4:40 PM EDT | Flash Flood Warning | LWX | Grant, Hardy, Pendleton | 2 hr |
Nearby
Flash Flood Warnings in West 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; radar from the NEXRAD Level II archive.