Alert archive / North Carolina / Flash Flood Warnings in 1990
Flash Flood Warning 24, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this flash flood warning at Aug 9, 1990, 4:20 PM EDT for Cherokee County, North Carolina. It was in force for 55 min.
The area
The counties it named.
The facts
- Issued
- Aug 9, 1990, 4:20 PM EDT (20:20 UTC)
- Expired
- Aug 9, 1990, 5:15 PM EDT
- In force
- 55 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Whole counties
County Cherokee County, NC
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Athens Municipal, GA (KAHN), launched 12:00Z, 8.3 hours before the alert went out and 149 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
- 561 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 658 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 87 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, Aug 9, 3:25 PM EDT, 55 minutes before
NCZ-010-011-092110- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ASHEVILLE NC 325 PM EDT THU AUG 9 1990 ...SHOWERS AND THUNDERSTORMS DEVELOPING OVER THE MOUNTAINS OF WESTERN NORTH CAROLINA... AAT 320 PM WEATHER SERVICE RADAR SHOWED SHOWERS AND THUNDERSTORMS ALONG THE NORTH CAROLINA TENNESSEE BORDER FROM HOT SPRINGS TO MURPHY. THE HEAVIEST STORMS WERE IN GRAHAM AND CHEROKEE COUNTIES BETWEEN ROBBINSVILLE AND MURPHY. THEY WERE MOVING SLOWLY NORTHEAST. THERE IS A POTENTIAL FOR VERY STRONG THUNDERSTORMS IN WESTERN NORTH CAOLINA THIS AFTERNOON THAT COULD PRODUCE STRONG GUSTY WINDS..DANGEROUS LIGHTNING AND HEAVY RAIN. BECAUSE OF THE SLOW MOVEMENT OF THE STORMS THE HEAVY RAIN COULD CAUSE SOME MINOR FLOODING. PERSONS ALONG SMALL STREAMS OR IN AREAS SUBJECT TO FLASH FLOODING SHOULD REMAIN ALERT DURING PERIODS OF HEAVY RAIN THIS AFTERNOON. BE PREPARED TO MOVE TO HIGHER @GROUND IF FLOODING SHOULD DEVELOP. IF YOU SEE LIGHTNING OR HEAR THUNDER..MOVE INSIDE A STRONG BUILDING UNTIL THE STORM HAS PASSED. HM
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 4:20 PM EDT | Severe Thunderstorm Warning | GSP | Cherokee | 55 min |
Nearby
Flash Flood Warnings in North Carolina, 1990Every flash flood warning in 1990
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.