urn:oid:2.49.0.1.840.0.2eaf857b445f5cd3e44a116f523b9ec0dda6502e.001.1 theshelterandstorm.com 2026-04-21T01:02:00.000Z Actual Alert Public Met Flash Flood Warning Immediate Severe Observed 2026-04-21T02:00:00.000Z Bexar, TX; Comal, TX; Guadalupe, TX