Macau — 6 actual messages

13:38  雷暴警告信號於 2026年08月18日21時40分發出。 有效時間至 2026年08月18日23時30分。 (view from source)
EN (issuer): Thunderstorm warning signal was issued at 2026-08-18 21:40.It will be valid until 2026-08-18 23:30.
AlertMetImmediate
Severe
Observed		Macao Meteorological and Geophysical Bureau
thunderstormswindavoiduse-caution
References: SMG-Weather_TS_2026_082_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]
14:08  黃色暴雨警告信號於2026年08月18日22時10分發出。 (view from source)
EN (issuer): Yellow rainstorm warning signal was issued at 2026-08-18 22:10.
AlertMetImmediate
Severe
Observed		Macao Meteorological and Geophysical Bureau
floodingrainmonitoruse-caution
References: SMG-Weather_RS_2026_045_01
⚠️ 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]
14:49  所有暴雨警告信號於 2026年08月18日23時00分 取消。 (view from source)
EN (issuer): All rainstorm warning signals were cancelled at 2026-08-18 23:00.
UpdateMetPast
Severe
Observed		Macao Meteorological and Geophysical Bureau
References: SMG-Weather_RS_2026_045_02
⚠️ content.no_cancel_in_alert_or_update — cancellations should travel in separate <alert> bodies to avoid confusion: no form of the word "cancel" should appear in the <headline>, <description> or <instruction> of any <info> within an <alert> of any <msgType> other than Cancel.
⚠️ 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_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ 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]
14:57  雷暴警告信號於2026年08月18日23時00分取消。 (view from source)
EN (issuer): Thunderstorm warning signal was cancelled at 2026-08-18 23:00.
UpdateMetPast
Severe
Observed		Macao Meteorological and Geophysical Bureau
References: SMG-Weather_TS_2026_082_02
⚠️ content.no_cancel_in_alert_or_update — cancellations should travel in separate <alert> bodies to avoid confusion: no form of the word "cancel" should appear in the <headline>, <description> or <instruction> of any <info> within an <alert> of any <msgType> other than Cancel.
⚠️ 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_text — CAP <instruction> is empty — the message describes a hazard but tells the reader nothing to do about it.
⚠️ 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]
17:12  強烈季候風(即黑球)信號於 2026年08月19日01時15分發出。 (view from source)
EN (issuer): Strong monsoon signal(Black ball) was issued at 2026-08-19 01:15.
AlertMetFuture
Moderate
Observed		Macao Meteorological and Geophysical Bureau
winduse-caution
References: SMG-Weather_MS_2026_009_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]
20:55  強烈季候風(即黑球)信號仍然生效。(2026年08月19日05時00分 更新) (view from source)
EN (issuer): Strong monsoon signal(Black ball) is still inforce. (Updated at 2026-08-19 05:00 )
UpdateMetFuture
Moderate
Observed		Macao Meteorological and Geophysical Bureau
winduse-caution
References: SMG-Weather_MS_2026_009_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]