Alert archive / North Carolina / Flash Flood Warnings in 1999
Flash Flood Warning 8, NWS Blacksburg, VA
NWS Blacksburg, VA issued this flash flood warning at Jul 9, 1999, 5:47 PM EDT for Wilkes County, North Carolina. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 9, 1999, 5:47 PM EDT (21:47 UTC)
- Expired
- Jul 9, 1999, 8:45 PM EDT
- In force
- 3 hr
- Issued by
- NWS Blacksburg, VA
- Area
- Whole counties
County Wilkes County, NC
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 9.8 hours before the alert went out and 114 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
- 144 J/kg
- Mixed-layer CIN
- -122 J/kg
- Mixed-layer LCL
- 1302 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- -6 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KROA 092146 FFWRNK NCC193-100045- BULLETIN--IMMEDIATE BROADCAST REQUESTED FLOOD WARNING FOR SMALL CREEKS AND STREAMS NATIONAL WEATHER SERVICE BLACKSBURG VA 547 PM EDT FRI JUL 9 1999 THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A * FLASH FLOOD WARNING FOR SMALL CREEKS AND STREAMS FOR... SOUTHERN WILKES COUNTY IN NORTHWESTERN NORTH CAROLINA. * UNTIL 845 PM EDT. * AT 546 PM... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A CLUSTER OF THUNDERSTORMS WITH VERY HEAVY RAINFALL SOUTH OF ROUTE 421 FROM FROM NEAR BOOMER TO MORAVIAN FALLS TO OSBORNVILLE. * RUN OFF FROM THE HEAVY RAINFALL IN THE MOUNTAINS WILL CAUSE SMALL STREAMS AND CREEKS TO FLOOD. << CALL TO ACTION >> DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD! .END/NOGUEIRA
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 Blacksburg, VA wrote its last area forecast discussion before this flash flood warning went out at Jul 9, 2:15 PM EDT, 3 hours 32 minutes earlier.
Area forecast discussion, Jul 9, 2:15 PM EDT, 3 hours 32 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BLACKSBURG VA 215 PM EDT FRI JUL 9 1999 TONIGHT...CURRENT CU FIELD MOVING INTO AREA WEST OF BLUE RIDGE WILL HAVE TO FIGHT PRE-FRONTAL SUBSIDENCE. WILL GO PARTLY IN THE WEST...FEELING SUBSIDENCE WILL SQUASH OVERCAST DECK FOR THE MAJORITY OF THE NIGHT. HOWEVER...SE WEST VA ZONES WILL SEE AN UPSWING ON THE CLOUDS AFTER DARK AND SCATTERED POPS TOWARD MORNING. TOMORROW INTO SUNDAY...MODELS IN GOOD AGREEMENT WITH STRETCHING AND SLOWING FRONT SLIDING THROUGH REGION DURING THE DAY ON SATURDAY. WILL CONTINUE LIKELY POPS WEST AND HIGH END OF CHANCE EAST ON SATURDAY. ON SUNDAY...REINFORCING MINOR WAVE MOVING OUT OF ALBERTA AT TIME WILL ENHANCE SHOWER ACTIVITY ALONG WITH -10 C DEGREE 500 MB TEMPS...SO WILL CONTINUE HIGH CHANCE POPS SUNDAY IN WEST...LOWER CHANCE ELSEWHERE. EXTENDED HAS WEAK STATIONARY FRONT BRINGING A CHANCE OF SHOWERS THROUGH MONDAY FOR MOUNTAINS...AND RIDGE BUILDING IN TUESDAY AND WED. .RNK... VA...NONE. NC...NONE. WV...NONE. HH
Nearby
Flash Flood Warnings in North Carolina, 1999Every flash flood warning in 1999
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.