Flood Warning Issued for Bexar County, Texas
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A Flood Warning is in effect for Bexar County, Texas, due to minor flooding on Salado Creek at Loop 13, with the river stage at 18.3 feet and expected to crest at 19.0 feet.
What this NWS weather alert tells you, and what most readers miss
This notice was issued by NOAA on April 28, 2026 and geographically references Bexar 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 warning protocol behind it, which shapes what protective action (seeking shelter, following evacuation orders if issued, monitoring official updates) is recommended and which agency holds authority to issue or cancel it.
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.
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Flood Warning in Bexar County, Texas
Alert Details
The National Weather Service in Austin/San Antonio, TX, has issued a Flood Warning. This alert is effective from 4:32 AM CDT on April 21, 2026, until 4:24 PM CDT on the same day.
Affected Areas
This warning affects Bexar County, Texas, specifically Salado Creek at Loop 13.
What You Should Do
Turn around, don't drown when encountering flooded roads. Do not attempt to drive around barricades or through flooded areas. Be especially cautious at night when it is harder to recognize the dangers of flooding.
Expected Conditions
Minor flooding is occurring with the river stage at 18.3 feet. At 18.0 feet, minor lowland flooding reaches numerous access and secondary roads and low bridges. The river is expected to crest at 19.0 feet.
Timeline
The alert is effective from 4:32 AM CDT on April 21, 2026, and ends at 4:24 PM CDT on April 21, 2026.
Original source: NOAA Official Notice ↗
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