Alert archive / North Carolina / Flash Flood Warnings in 1998
Flash Flood Warning 51, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this flash flood warning at Apr 19, 1998, 10:37 AM EDT for Jackson 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
- Apr 19, 1998, 10:37 AM EDT (14:37 UTC)
- Expired
- Apr 19, 1998, 1:40 PM EDT
- In force
- 3 hr
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Whole counties
County Jackson County, NC
The radar
The Greer radar (KGSP), 95 km from the middle of the area, began a volume at 14:37 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
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 2.6 hours before the alert went out and 247 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
- 227 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 515 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 121 m²/s²
- 0-3 km storm-relative helicity
- 221 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
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.
NWS Greenville-Spartanburg, SC wrote its last area forecast discussion before this flash flood warning went out at Apr 19, 9:08 AM EDT, 1 hour 29 minutes earlier.
Area forecast discussion, Apr 19, 9:08 AM EDT, 1 hour 29 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE/SPARTANBURG, SC 908 AM EDT SUN APR 19 1998 CAE: CONTINUE FFA. NEAR 70 FOOTHILLS. FFC: CUT POPS IF FRONT PROGRESSES. RAH: CONTINUE FFA. 65-70 FOOTHILLS/NW PIEDMONT. SURFACE ANALYSIS SHOWS COLD FRONT MOVING INTO NC FROM TN...WITH WAVE NEAR TYS. WARM FRONT N OF I-20 IN SC AND UPPER SAVANNAH VALLEY IN GA. GREENWOOD SC 69 DEGREES WITH S WIND. RADAR SHOWS MODERATE RAINFALL TRAINING UP FRONTAL BAND. IFFLOWS READINGS QUITE LOW IN THIS AREA DESPITE RADAR RETURNS. DEW POINT ANALYSIS AND SATELLITE IMAGERY SUGGEST HEAVIEST RAINFALL WILL BE IN E CAROLINA. BREAKOUT TO CONTINUE S UPSTATE SC BUT SPEED/LATITUDE OF SURFACE WAVE TO LIMIT N MOVEMENT OF WARM FRONT...AND W NC WILL PROBABLY NOT SEE WARM SECTOR. NE GA TO SEE COLD FROPA SOON. BEST CHANCE FOR SEVERE: WARM SECTOR SC PIEDMONT. DESPITE PESSIMISTIC FORECAST FOR WARM SECTOR...MAX TEMPERATURES STILL WITHIN REACH IF COLD FROPA SOON ENOUGH FOR W FLOW AND PARTIAL BREAKOUT TO TAKE EFFECT. JAT
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 19, 12:31 PM EDT | Flash Flood Warning | GSP | Henderson | 3 hr |
| Apr 19, 3:03 PM EDT | Tornado Warning | GSP | Gaston, Lincoln | 17 min |
| Apr 19, 3:19 PM EDT | Tornado Warning | GSP | Lincoln | 31 min |
| Apr 19, 3:36 PM EDT | Tornado Warning | GSP | Gaston | 29 min |
| Apr 19, 4:05 PM EDT | Tornado Warning | GSP | Mecklenburg | 30 min |
| Apr 19, 4:13 PM EDT | Tornado Warning | GSP | Cabarrus, Rowan | 32 min |
| Apr 19, 4:58 PM EDT | Tornado Warning | GSP | Union | 47 min |
| Apr 19, 2:38 PM EDT | Tornado Warning | GSP | Laurens | 32 min |
| Apr 19, 3:21 PM EDT | Tornado Warning | GSP | York | 34 min |
| Apr 19, 3:59 PM EDT | Tornado Warning | GSP | York | 31 min |
| Apr 19, 4:36 PM EDT | Tornado Warning | GSP | York | 34 min |
Nearby
Flash Flood Warnings in North Carolina, 1998Every flash flood warning in 1998
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.