Alert archive / South Dakota / Flash Flood Warnings in 2019
Flash Flood Warning 2, NWS Rapid City, SD
NWS Rapid City, SD issued this flash flood warning at May 26, 2019, 9:09 PM MDT for Haakon County, Meade County, Ziebach County, South Dakota. It was in force for 6 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
- May 26, 2019, 9:09 PM MDT (03:09 UTC)
- Expired
- May 27, 2019, 3:00 AM MDT
- In force
- 6 hr
- Issued by
- NWS Rapid City, SD
- Area
- Storm-based polygon
- Flood severity
- None
Counties Haakon County, SD, Meade County, SD, Ziebach County, SD
The radar
The Rapid City radar (KUDX), 87 km from the middle of the area, began a volume at 03:11 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
Aberdeen, SD (KABR), launched 00:00Z, 3.2 hours before the alert went out and 284 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2399 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 325 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Rapid City, SD wrote its last area forecast discussion before this flash flood warning went out at May 26, 5:46 PM MDT, 3 hours 23 minutes earlier.
Area forecast discussion, May 26, 5:46 PM MDT, 3 hours 23 minutes before
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</html>Hazardous weather outlook, May 26, 4:14 AM MDT, 16 hours 55 minutes before
Hazardous Weather Outlook National Weather Service Rapid City SD 414 AM MDT Sun May 26 2019 SDZ001-002-012>014-024>032-041>044-046-047-049-072>074-WYZ054>058- 071-271015- Harding-Perkins-Butte-Northern Meade Co Plains-Ziebach- Northern Black Hills-Northern Foot Hills-Rapid City- Southern Foot Hills-Central Black Hills-Southern Black Hills- Custer Co Plains-Pennington Co Plains-Haakon-Fall River- Oglala Lakota-Jackson-Bennett-Mellette-Todd-Tripp- Sturgis/Piedmont Foot Hills-Southern Meade Co Plains- Hermosa Foot Hills-Northern Campbell-Southern Campbell- Western Crook-Wyoming Black Hills-Weston-Northeastern Crook- 414 AM MDT Sun May 26 2019 /514 AM CDT Sun May 26 2019/ This Hazardous Weather Outlook is for western South Dakota and northeastern Wyoming. .DAY ONE...Today and Tonight Flooding continues across portions of the western South Dakota plains. See the latest Flood Warnings and Statements for details. Thunderstorms will develop this afternoon and evening, some of which will be strong to severe. Heavy rain from these thunderstorms could worsen flooding; see the latest Flood Watch for details. .DAYS TWO THROUGH SEVEN...Monday through Saturday Thunderstorms will continue into Monday morning. During somewhat of a break in precipitation during the day, fog will develop across some areas, especially around the Black Hills. Monday evening, chances for thunderstorms will increase again, with the potential for some strong storms with heavy rain. Rain will persist into Tuesday. By Tuesday night, 1 to 2 inches of total precipitation will be possible. See the latest Flood Watch for details. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed today. && Stay tuned to NOAA weather radio for further updates...or check our web site at weather.gov/rapidcity
In the hours before
Local storm report, May 26, 5:55 PM MDT, 3 hours 14 minutes before
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</html>Special weather statement, May 26, 5:55 PM MDT, 3 hours 14 minutes before
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</html>Local storm report, May 26, 6:16 PM MDT, 2 hours 53 minutes before
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</html>Local storm report, May 26, 6:28 PM MDT, 2 hours 41 minutes before
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</html>Special weather statement, May 26, 7:12 PM MDT, 1 hour 57 minutes before
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</html>Local storm report, May 26, 8:10 PM MDT, 59 minutes before
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</html>The office that day
Everything else NWS Rapid City, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 26, 6:14 PM MDT | Areal Flood Advisory | UNR | Meade | 3 hr |
| May 26, 7:12 PM MDT | Special Weather Statement | UNR | Ziebach | 33 min |
| May 26, 7:16 PM MDT | Areal Flood Advisory | UNR | Meade, Perkins, Ziebach | 3 hr |
| May 26, 7:36 PM MDT | Areal Flood Advisory | UNR | Meade, Ziebach | 3 hr |
| May 27, 1:16 AM MDT | River Flood Warning | UNR | Lyman, Tripp | 5 days |
| May 27, 2:56 AM MDT | Areal Flood Warning | UNR | Haakon, Meade, Ziebach | 36 hr |
| May 27, 6:35 AM MDT | River Flood Warning | UNR | Jackson | 71 hr |
| May 27, 8:30 AM MDT | Dense Fog Advisory | UNR | Custer, Lawrence, Meade, Pennington | 6 hr |
| May 27, 10:38 AM MDT | River Flood Warning | UNR | Jones, Mellette | 21 days |
| May 27, 3:41 PM MDT | River Flood Warning | UNR | Haakon | 29 hr |
Nearby
Flash Flood Warnings in South Dakota, 2019Every flash 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.