public-safety
Flood Warning issued Aug. 13, 2026 by NWS Aberdeen SD
Flood Warning issued August 13 at 5:52AM CDT until August 13 at 9:00AM CDT by NWS Aberdeen SD. Areas named: Hyde, SD. Whether this alert is still in effect is shown on the page, computed from its stated expiry when you load it.
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NWS Aberdeen SD issued a Flood Warning on Aug. 13, 2026, 4:52 a.m. MDT / 5:52 a.m. CDT, according to the National Weather Service's public alert record.
The alert states an effective time of Aug. 13, 2026, 4:52 a.m. MDT / 5:52 a.m. CDT, an onset of Aug. 13, 2026, 4:52 a.m. MDT / 5:52 a.m. CDT, and an expiry of Aug. 13, 2026, 8 a.m. MDT / 9 a.m. CDT. South Dakota spans two time zones and this alert may reach both, so each instant is shown in Mountain and then Central time; the office's own published offset is preserved in the machine-readable record.
The alert separately states that the hazard itself ends at Aug. 13, 2026, 8 a.m. MDT / 9 a.m. CDT. That is a different field from the message's expiry above and the two can differ.
Whether this alert is currently in effect is not stated in this text, deliberately: it depends on the time you are reading, so 605Buzz computes it from the expiry above each time the page is loaded rather than storing an answer that would go out of date without anyone noticing. The status shown at the top of this page is the computed one.
The issuing office classified this message as severity "Severe", certainty "Likely" and urgency "Expected". Those are the National Weather Service's own categories, reproduced exactly; 605Buzz does not re-rank them or translate them into a scale of its own.
The recommended response type on the message is "Avoid".
The alert names these areas: Hyde, SD. The National Weather Service zone codes are SDC069.
The issuing office's own summary line, as written on Aug. 13, 2026, 4:52 a.m. MDT / 5:52 a.m. CDT:
FLOOD WARNING NOW IN EFFECT UNTIL 9 AM CDT THIS MORNING
The full text of the alert as issued on Aug. 13, 2026, 4:52 a.m. MDT / 5:52 a.m. CDT, reproduced without changes:
* WHAT...Flooding caused by excessive rainfall continues.
* WHERE...East Central Hyde County in central South Dakota...
* WHEN...Until 900 AM CDT.
* IMPACTS...Numerous roads remain closed due to flooding. It will take several hours for all the water from these storms to work through local drainage systems in urban areas.
* ADDITIONAL DETAILS...
- At 530 AM CDT, the Hyde County Emergency Manager reported several county gravel roads in the Highmore area were under water, and it was still raining there. Emergency management confirmed that flooding is occurring within the flood warned area of central and eastern Hyde County. Radar estimates that between 3 and 6 inches of rain have fallen.
- Some locations that will experience flooding include... Highmore.
- http://www.weather.gov/safety/flood
The protective-action text the issuing office attached, reproduced without changes:
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the dangers of flooding.
The National Weather Service superseded this message at Aug. 13, 2026, 11:56 a.m. MDT / 12:56 p.m. CDT with a later one. This article records the message as issued.
This alert is a work of the United States federal government — the National Weather Service, part of NOAA — and is in the public domain; no copyright is claimed on it and none is asserted here. 605Buzz reproduces the record and does not add meteorological judgement. For live conditions and alerts, go to the National Weather Service.
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