Alert archive / South Dakota / River Flood Warnings in 2011

River Flood Warning 3, NWS Rapid City, SD

February 22, 2011Lyman County, Tripp County, South Dakota

NWS Rapid City, SD issued this river flood warning at Feb 22, 2011, 3:44 PM CST for Lyman County, Tripp County, South Dakota. It was in force for 11 days.

The area

The counties it named.

The facts

Issued
Feb 22, 2011, 3:44 PM CST (21:44 UTC)
Expired
Mar 5, 2011, 3:45 PM CST
In force
11 days
Issued by
NWS Rapid City, SD
Flood severity
Minor

Counties Lyman County, SD, Tripp County, SD

The radar

The North Platte radar (KLNX), 194 km from the middle of the area, began a volume at 21:48 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 White River (NE-SD) near Oacoma (OACS2).

Action stage
15 ft
Minor stage
17 ft
Moderate stage
20 ft
Major stage
25 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06452000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

Nearby

River Flood Warnings in South Dakota, 2011Every river flood warning in 2011

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.