Macau — 2 actual messages

08:30  雷暴警告信號於 2026年08月28日16時31分發出。 有效時間至 2026年08月28日19時00分。 (view from source)
EN (issuer): Thunderstorm warning signal was issued at 2026-08-28 16:31.It will be valid until 2026-08-28 19:00.
AlertMetImmediate
Severe
Observed		Macao Meteorological and Geophysical Bureau
thunderstormswindavoiduse-caution
References: SMG-Weather_TS_2026_087_01
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
⚠️ content.no_expires — an <info> block carries no <expires> — CAP makes the element optional, but a receiver given no expiry cannot know when to stop showing the alert. [source: Common Policies and Practices §1.1.8]
10:34  雷暴警告信號仍然生效。(2026-08-28 18:45更新) 有效時間延長至 2026年08月28日21時00分。 (view from source)
EN (issuer): Thunderstorm warning signal is still in force. (Updated at 2026-08-28 18:45) It will be valid until 2026-08-28 21:00.
UpdateMetImmediate
Severe
Observed		Macao Meteorological and Geophysical Bureau
thunderstormswindavoiduse-caution
References: SMG-Weather_TS_2026_087_02
⚠️ content.no_description_explains_effects — description names the hazard but does not explain the effects it will have on people, property or infrastructure.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.
⚠️ content.no_expires — an <info> block carries no <expires> — CAP makes the element optional, but a receiver given no expiry cannot know when to stop showing the alert. [source: Common Policies and Practices §1.1.8]