Alert archive / South Dakota / Flood Watches in 2019
Flood Watch 2, NWS Aberdeen, SD
NWS Aberdeen, SD issued this flood watch at Aug 9, 2019, 12:26 PM CDT for 26 counties in South Dakota; Big Stone County, Traverse County, Minnesota. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Aug 9, 2019, 12:26 PM CDT (17:26 UTC)
- Expired
- Aug 9, 2019, 8:56 PM CDT
- In force
- 9 hr
- Issued by
- NWS Aberdeen, SD
- Flood severity
- None
All 28 counties
Big Stone County, MN, Traverse County, MN, Brown County, SD, Buffalo County, SD, Campbell County, SD, Clark County, SD, Codington County, SD, Corson County, SD, Day County, SD, Deuel County, SD, Dewey County, SD, Edmunds County, SD, Faulk County, SD, Grant County, SD, Hamlin County, SD, Hand County, SD, Hughes County, SD, Hyde County, SD, Jones County, SD, Lyman County, SD, Marshall County, SD, McPherson County, SD, Potter County, SD, Roberts County, SD, Spink County, SD, Stanley County, SD, Sully County, SD, Walworth County, SD
The radar
The Aberdeen radar (KABR), 56 km from the middle of the area, began a volume at 17:27 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 12:00Z, 5.4 hours before the alert went out and 34 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
- 1665 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 134 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Aberdeen, SD wrote its last area forecast discussion before this flood watch went out at Aug 9, 9:40 AM CDT, 2 hours 46 minutes earlier.
Area forecast discussion, Aug 9, 9:40 AM CDT, 2 hours 46 minutes before
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</html>Hazardous weather outlook, Aug 9, 3:35 AM CDT, 8 hours 51 minutes before
Hazardous Weather Outlook National Weather Service Aberdeen SD 335 AM CDT Fri Aug 9 2019 MNZ039-046-SDZ007-008-011-019>023-100845- Traverse-Big Stone-Marshall-Roberts-Day-Clark-Codington-Grant-Hamlin- Deuel- 335 AM CDT Fri Aug 9 2019 This Hazardous Weather Outlook is for west central Minnesota and northeast South Dakota. .DAY ONE...Today and tonight. There is a low risk for severe weather this afternoon, however the main concern will be storms that develop late this evening and overnight. Storms are expected to form and move along an axis that could result in a few rounds of heavy rainfall with the potential for flooding. Some uncertainty exists where this boundary will set up, and not all locations in northeast South Dakota/western Minnesota will see heavy rain. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. Another system late Sunday into Monday has the potential to bring heavy rainfall to the region. .SPOTTER INFORMATION STATEMENT... Spotter activation may be requested. Weather spotters are encouraged to submit reports to the National Weather Service in Aberdeen. The public can submit reports on our web page, Facebook page, or our Twitter feed. SDZ015-016-033>037-045-048-051-100845- Dewey-Potter-Stanley-Sully-Hughes-Hyde-Hand-Jones-Lyman-Buffalo- 335 AM CDT Fri Aug 9 2019 /235 AM MDT Fri Aug 9 2019/ This Hazardous Weather Outlook is for central South Dakota and north central South Dakota. .DAY ONE...Today and tonight. Severe storms are possible from around mid day into the afternoon with the risk for large hail, damaging winds, and brief heavy downpours being the main threat. This also includes the risk for a tornado or two. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. Another system late Sunday into Monday has the potential to bring heavy rainfall to the region. .SPOTTER INFORMATION STATEMENT... Spotter activation may be requested. Weather spotters are encouraged to submit reports to the National Weather Service in Aberdeen. The public can submit reports on our web page, Facebook page, or our Twitter feed. SDZ003>006-009-010-017-018-100845- Corson-Campbell-McPherson-Brown-Walworth-Edmunds-Faulk-Spink- 335 AM CDT Fri Aug 9 2019 /235 AM MDT Fri Aug 9 2019/ This Hazardous Weather Outlook is for north central South Dakota and northeast South Dakota. .DAY ONE...Today and tonight. Severe storms are possible from around mid day into the afternoon with the risk for large hail, damaging winds, and brief heavy downpours being the main threat. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. Another system late Sunday into Monday has the potential to bring heavy rainfall to the region. .SPOTTER INFORMATION STATEMENT... Spotter activation may be requested. Weather spotters are encouraged to submit reports to the National Weather Service in Aberdeen. The public can submit reports on our web page, Facebook page, or our Twitter feed. Connelly
The office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 2:04 PM CDT | Severe Thunderstorm Warning | ABR | Dewey, Potter, Sully | 41 min |
| Aug 9, 2:30 PM CDT | Severe Thunderstorm Warning | ABR | Dewey, Stanley, Sully | 45 min |
| Aug 9, 2:45 PM CDT | Severe Thunderstorm Warning | ABR | Hyde, Sully | 45 min |
| Aug 9, 2:57 PM CDT | Severe Thunderstorm Warning | ABR | Jones | 48 min |
| Aug 9, 3:02 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley, Sully | 43 min |
| Aug 9, 3:11 PM CDT | Severe Thunderstorm Warning | ABR | Sully | 34 min |
| Aug 9, 3:24 PM CDT | Severe Thunderstorm Warning | ABR | Hyde | 36 min |
| Aug 9, 3:33 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley | 42 min |
| Aug 9, 3:47 PM CDT | Severe Thunderstorm Warning | ABR | Jones | 43 min |
| Aug 9, 3:47 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley | 28 min |
| Aug 9, 4:00 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley | 30 min |
| Aug 9, 4:02 PM CDT | Areal Flood Warning | ABR | Hughes, Stanley | 3 hr |
| Aug 9, 4:15 PM CDT | Severe Thunderstorm Warning | ABR | Hughes | 30 min |
| Aug 9, 4:16 PM CDT | Severe Thunderstorm Warning | ABR | Jones, Lyman, Stanley | 44 min |
| Aug 9, 4:18 PM CDT | Tornado Warning | ABR | Hughes | 27 min |
| Aug 9, 4:26 PM CDT | Severe Thunderstorm Warning | ABR | Jones, Lyman | 29 min |
| Aug 9, 4:26 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Stanley | 34 min |
| Aug 9, 4:33 PM CDT | Areal Flood Warning | ABR | Hughes, Stanley | 3 hr |
| Aug 9, 4:43 PM CDT | Areal Flood Warning | ABR | Hughes | 6 hr |
| Aug 9, 4:47 PM CDT | Severe Thunderstorm Warning | ABR | Hughes, Lyman, Stanley | 43 min |
| Aug 9, 5:21 PM CDT | Severe Thunderstorm Warning | ABR | Buffalo, Hughes, Lyman | 54 min |
| Aug 9, 5:34 PM CDT | Severe Thunderstorm Warning | ABR | Lyman | 56 min |
Nearby
Flood Watches in South Dakota, 2019Flood Watches in Minnesota, 2019Every flood watch 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.