Alert archive / South Dakota / River Flood Warnings in 2018
River Flood Warning 2, NWS Rapid City, SD
NWS Rapid City, SD issued this river flood warning at Jun 20, 2018, 8:54 AM MDT for Haakon County, Ziebach County, South Dakota. It took effect at Jun 21, 2018, 12:59 PM MDT. It was in force for 22 hr.
The area
The counties it named.
The facts
- Issued
- Jun 20, 2018, 8:54 AM MDT (14:54 UTC)
- In effect from
- Jun 21, 2018, 12:59 PM MDT
- Expired
- Jun 22, 2018, 11:16 AM MDT
- In force
- 22 hr
- Issued by
- NWS Rapid City, SD
- Area
- Storm-based polygon
- Flood severity
- Moderate
Counties Haakon County, SD, Ziebach County, SD
The radar
The Rapid City radar (KUDX), 113 km from the middle of the area, began a volume at 14:56 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 Cheyenne River near Plainview (PLNS2). The gauge peaked at 17.81 ft at Jun 21, 2018, 7:00 PM MDT.
- Action stage
- 15 ft
- Minor stage
- 17 ft
- Moderate stage
- 19 ft
- Major stage
- 20 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 06438500, 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 Rapid City, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 8:28 PM MDT | Areal Flood Advisory | UNR | Custer | 4 hr |
| Jun 20, 2:49 AM MDT | Areal Flood Advisory | UNR | Butte, Lawrence, Meade | 17 hr |
| Jun 20, 6:04 AM MDT | Areal Flood Advisory | UNR | Meade, Pennington | 6 hr |
| Jun 20, 8:03 AM MDT | Areal Flood Advisory | UNR | Jackson | 12 hr |
| Jun 20, 8:54 AM MDT | River Flood Warning | UNR | Jackson | 33 hr |
| Jun 20, 8:54 AM MDT | River Flood Warning | UNR | Jones, Mellette | 67 hr |
| Jun 20, 8:54 AM MDT | River Flood Warning | UNR | Lyman, Tripp | 4 days |
| Jun 20, 11:46 AM MDT | Areal Flood Advisory | UNR | Meade, Pennington | 9 hr |
Nearby
River Flood Warnings in South Dakota, 2018Every river flood warning in 2018
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.