Alert archive / North Carolina / Flash Flood Warnings in 1992
Flash Flood Warning 40, NWS Blacksburg, VA
NWS Blacksburg, VA issued this flash flood warning at Jun 4, 1992, 5:41 PM EDT for Alleghany County, North Carolina. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jun 4, 1992, 5:41 PM EDT (21:41 UTC)
- Expired
- Jun 4, 1992, 8:45 PM EDT
- In force
- 3 hr
- Issued by
- NWS Blacksburg, VA
- Area
- Whole counties
County Alleghany County, NC
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 9.7 hours before the alert went out and 119 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 558 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 122 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 KGSO 042148 FFWGSO NCC005-050045- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE GREENSBORO NC 541 PM EDT THU JUN 4 1992 THE NATIONAL WEATHER SERVICE IN GREENSBORO HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 845 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN WEST NORTH CAROLINA ...ALLEGHANY COUNTY AT 545 PM RADAR SHOWED PERSISTENT HEAVY RAINFALL IN ALLEGHANY COUNTY. THE LOCAL SHERIFF'S DEPARTMENT HAS REPORTED SEVERAL ROADWAYS BECOMING FLOODED. THERE HAVE ALSO BEEN REPORTS OF SCATTERED MUD SLIDES. PERSONS IN ALLEGHANY COUNTY ARE ADVISED TO BE ALERT FOR LOCAL FLOODING BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED...ACT QUICKLY. MOVE UP TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND. ENLJ
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.
In the hours before
Special weather statement, Jun 4, 2:26 PM EDT, 3 hours 15 minutes before
VAZ008-009-013-014-015-016-042015- SPECIAL WEATHER STATMENT NATIONAL WEATHER SERVICE ROANOKE VA 219 PM EDT THU JUN 4 1992 AT 215 PM WEATHER RADAR SHOWED RAIN CONTINUING ACROSS MUCH OF SOUTHWEST AND WESTCENTRAL SECTIONS OF VIRGINIA. REPORTS FROM AUTOMATED RAIN GAGES IN THE AREA REVEAL THAT SOME OF THE RAIN HAS BEEN MODERATE TO HEAVY. FANCY GAP IN CARROLL COUNTY REPORTED A STORM TOTAL SO FAR OF OVER 3 INCHES...WHILE A SPOTTER IN FLOYD COUNTY REPORTED A STORM TOTAL OF 2.6 INCHES. MUCH OF THIS HAS BEEN SINCE 8 AM TODAY. NUMEROUS SMALLER STREAMS HAVE ALREADY REACHED BANKFULL IN MOST OF THE AREA. SOME HAVE BEGUN EDGING ACROSS ROADWAYS IN ISOLATED SECTIONS OF FLOYD COUNTY. RAINFALL IS EXPECTED TO CONTINUE INTO THE AFTERNOON AND EVENING HOURS. WITH THUNDERSTORMS A POSSIBILITY...HEAVIER RAIN AMOUNTS IN A SHORT TIME MAY OCCUR. IN THAT CASE FLASH FLOODING IS A DEFINITE THREAT. PERSONS ALONG THE SMALLER STREAMS SHOULD REMAIN ALERT AND TUNED TO RADIO AND TELEVISION FOR UPDATES ON THIS DEVELOPING FLOOD THREAT AND THE LIKELIHOOD OF WATCHES AND WARNINGS. MCINTOSH
The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 4, 6:48 PM EDT | Flash Flood Warning | RNK | Wilkes | 3 hr |
| Jun 4, 6:54 PM EDT | Flash Flood Warning | RNK | Wilkes | 3 hr |
| Jun 4, 7:03 PM EDT | Flash Flood Warning | RNK | Surry, Yadkin | 3 hr |
Nearby
Flash Flood Warnings in North Carolina, 1992Every flash flood warning in 1992
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.