Alert archive / South Carolina / River Flood Warnings in 2020
River Flood Warning 56, NWS Columbia, SC
NWS Columbia, SC issued this river flood warning at May 20, 2020, 6:20 AM EDT for Lexington County, Richland County, South Carolina. It took effect at May 22, 2020, 11:49 AM EDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- May 20, 2020, 6:20 AM EDT (10:20 UTC)
- In effect from
- May 22, 2020, 11:49 AM EDT
- Expired
- May 21, 2020, 11:41 AM EDT
- In force
- Issued by
- NWS Columbia, SC
- Area
- Storm-based polygon
- Flood severity
- Minor
Counties Lexington County, SC, Richland County, SC
The radar
The Columbia radar (KCAE), 3 km from the middle of the area, began a volume at 10:22 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 river
Written for the forecast point Congaree River at Columbia (COLS1). The gauge peaked at 17.73 ft at May 22, 2020, 6:00 AM EDT.
- Action stage
- 10 ft
- Minor stage
- 19 ft
- Moderate stage
- 24 ft
- Major stage
- 30 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 02169500, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.
The office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 19, 9:50 PM EDT | River Flood Warning | CAE | Kershaw | 38 hr |
| May 19, 9:50 PM EDT | River Flood Warning | CAE | Newberry, Union | 4 days |
| May 19, 9:50 PM EDT | River Flood Warning | CAE | Fairfield, Kershaw, Lancaster | 17 days |
| May 19, 10:31 PM EDT | Areal Flood Advisory | CAE | Chesterfield, Kershaw, Lee, Sumter | 119 min |
| May 20, 11:06 AM EDT | Areal Flood Advisory | CAE | Calhoun, Clarendon, Orangeburg, Richland, Sumter | 114 min |
| May 20, 11:48 AM EDT | Areal Flood Advisory | CAE | Clarendon, Lee, Orangeburg, Sumter | 117 min |
| May 20, 1:49 PM EDT | Areal Flood Advisory | CAE | Chesterfield, Clarendon, Kershaw, Lancaster, Lee, Sumter | 3 hr |
| May 20, 6:05 PM EDT | Areal Flood Advisory | CAE | Lancaster | 115 min |
Nearby
River Flood Warnings in South Carolina, 2020Every river flood warning in 2020
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.