Flood Warning Issued for Ayish Bayou Near San Augustine, TX

Source: NOAA · San Augustine County, Texas

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A Flood Warning is in effect for the Ayish Bayou near San Augustine in San Augustine County until Sunday evening, with minor flooding forecast.

What this NWS weather alert tells you, and what most readers miss

This notice was issued by NOAA on June 5, 2026 and geographically references San Augustine County, Texas. Its severity classification of "high" signals how the issuing agency weighs the risk of harm if no action is taken — "critical" and "high" tier alerts typically carry direct consumer actions, while "medium" and "low" tend toward informational guidance or monitoring advisories. The category it belongs to — Weather Alerts — determines the regulatory framework behind it, which shapes what remedies (refunds, replacements, recalls, evacuations) are available to affected individuals and who holds statutory responsibility for enforcement.

Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to read it as a data point about the issuing system: how quickly NOAA detected the hazard, how precise the geographic or product-identifier scope is, and whether similar notices have clustered in the same category or region in the last 90 days. Cluster patterns frequently precede a broader regulatory action — a single localized NWS weather alert is isolated; three of them within a quarter often indicate a supply-chain, infrastructure, or seasonal driver that will keep producing notices until something structural changes.

For decision-making, Areazine pairs each alert with the original agency URL, the full agency name, and a timestamp so you can verify the notice against the primary source before acting on it. Tags on this item (weather, alert, Flood Warning, Texas) map to related alerts in the same area of risk — browsing them together gives a clearer picture than any single notice alone, because the shape of an ongoing issue only becomes visible across multiple sequential alerts.

Alert Details

A Flood Warning has been issued by the National Weather Service Shreveport LA. The alert is effective from May 23 at 11:22AM CDT and remains in effect until May 24 at 8:00PM CDT.

Affected Areas

San Augustine County, Texas, specifically the Ayish Bayou near San Augustine.

What You Should Do

Do not drive cars through flooded areas. Caution is urged when walking near riverbanks. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

Expected Conditions

Minor flooding is forecast. At 10:15 AM CDT the stage was 8.4 feet. The river is expected to rise above flood stage (12.0 feet) this afternoon to a crest of 13.0 feet this afternoon, then fall below flood stage just after midnight tonight. At 12.0 feet, lowland flooding of the heavily wooded floodplain will continue for the next several days.

Timeline

The warning is in effect until Sunday evening, May 24 at 8:00PM CDT. The next statement will be issued Sunday morning at 11:30 AM CDT.

Original source: NOAA Official Notice ↗

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Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
A Flood Warning is in effect for the Ayish Bayou near San Augustine in San Augustine County until Sunday evening, with minor flooding forecast.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects San Augustine County, Texas. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.