Alert archive / South Dakota / River Flood Warnings in 2019
River Flood Warning 229, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this river flood warning at Jul 1, 2019, 4:52 AM CDT for Brookings County, Hamlin County, South Dakota. It was in force for 37 days.
The area
The counties it named.
The facts
- Issued
- Jul 1, 2019, 4:52 AM CDT (09:52 UTC)
- Expired
- Aug 6, 2019, 11:29 PM CDT
- In force
- 37 days
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
- Flood severity
- Minor
Counties Brookings County, SD, Hamlin County, SD
The radar
The Sioux Falls radar (KFSD), 106 km from the middle of the area, began a volume at 09:54 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 Big Sioux River near Estelline (BSES2).
- Action stage
- 1642.5 ft
- Minor stage
- 1644 ft
- Moderate stage
- 1645.5 ft
- Major stage
- 1648 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.
What forecasters said that day
The local office's own words before this river flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Sioux Falls, SD wrote its last area forecast discussion before this river flood warning went out at Jul 1, 4:43 AM CDT, 9 minutes earlier.
Area forecast discussion, Jul 1, 4:43 AM CDT, 9 minutes before
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</html>Hazardous weather outlook, Jun 30, 2:16 PM CDT, 14 hours 36 minutes before
Hazardous Weather Outlook National Weather Service Sioux Falls SD 216 PM CDT Sun Jun 30 2019 IAZ001>003-012>014-020>022-031-032-MNZ080-081-089-090-097-098- NEZ013-014-SDZ060>062-065>071-011930- Lyon-Osceola-Dickinson-Sioux-O'Brien-Clay-Plymouth-Cherokee- Buena Vista-Woodbury-Ida-Murray-Cottonwood-Nobles-Jackson- Pipestone-Rock-Dixon-Dakota-Hanson-McCook-Minnehaha-Hutchinson- Turner-Lincoln-Bon Homme-Yankton-Union- 216 PM CDT Sun Jun 30 2019 This Hazardous Weather Outlook is for portions of northwest Iowa, west central Iowa, southwest Minnesota, northeast Nebraska, and southeast South Dakota. .DAY ONE...This Afternoon and Tonight Isolated to scattered thunderstorms will be possible this evening and overnight. The better chances will be north of Interstate 90 with a quickly decreasing threat south of Interstate 90. Isolated storms near Interstate 90 may produce hail to the size of quarters and wind gusts to 60 mph. The higher threat for severe weather and heavy rain will be from central South Dakota into northeast South Dakota. .DAYS TWO THROUGH SEVEN...Monday through Saturday Additional thunderstorms will be possible on Monday. Some of these storms could be strong to severe in the afternoon and evening, with the greatest threats being large hail, damaging winds, and heavy rain. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected. MNZ071-072-SDZ038>040-050-052>059-063-064-011930- Lincoln-Lyon-Beadle-Kingsbury-Brookings-Gregory-Jerauld-Sanborn- Miner-Lake-Moody-Brule-Aurora-Davison-Charles Mix-Douglas- 216 PM CDT Sun Jun 30 2019 This Hazardous Weather Outlook is for portions of southwest Minnesota, central South Dakota, east central South Dakota, south central South Dakota, and southeast South Dakota. .DAY ONE...This Afternoon and Tonight Hot temperatures and high dew points will result in afternoon and early evening heat indices around 100 degrees. Severe thunderstorms along with heavy rainfall are possible late this afternoon into the overnight hours. The initial, conditional threat will be late this afternoon into the early evening. Isolated, surface based severe storms will be possible, with the better threat in south central South Dakota. If storms can form during this time an isolated tornado, hail to the size of tennis balls and wind gusts to 70 mph will be possible. There is a lesser threat along highway 14 into southwest Minnesota. If that threat does not materialize a complex of thunderstorms is likely along and north of highway 14 after about midnight. These storms will be capable of producing half dollar hail and wind gusts to 65 mph. The other threat will be heavy rainfall which may cause localized flash flooding and rises in rivers and streams over the next few days. .DAYS TWO THROUGH SEVEN...Monday through Saturday Additional thunderstorms will be possible on Monday. Some of these storms could be strong to severe in the afternoon and evening, with the greatest threats being large hail, damaging winds, and heavy rain. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed late this afternoon and tonight.
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 10:23 PM CDT | Severe Thunderstorm Warning | FSD | Aurora, Brule, Charles Mix | 18 min |
| Jul 1, 4:16 PM CDT | Flash Flood Watch | FSD | Clay, Lincoln, McCook, Minnehaha, Turner, Union | 9 hr |
| Jul 1, 4:52 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha | 23 min |
| Jun 30, 8:52 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 36 min |
| Jul 1, 2:32 AM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Lyon | 28 min |
| Jul 1, 3:00 AM CDT | Flash Flood Warning | FSD | Lyon | 3 hr |
| Jul 1, 10:20 AM CDT | River Flood Warning | FSD | Lyon | 4 days |
| Jul 1, 2:54 PM CDT | Severe Thunderstorm Warning | FSD | Nobles | 51 min |
| Jul 1, 3:02 PM CDT | Severe Thunderstorm Warning | FSD | Cottonwood | 43 min |
| Jul 1, 3:13 PM CDT | Severe Thunderstorm Warning | FSD | Cottonwood, Jackson, Nobles | 47 min |
Nearby
River Flood Warnings in South Dakota, 2019Every river flood warning in 2019
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.