Dans cette section sont listées tous les avertissements et toutes les alertes émis à Montréal pour l'année 2009.
A noter que les heures sont indiquées en heure locale.
| Date et heure | Description de l'événement |
|---|---|
| Dec 26 2009 21:50:03 | Freezing rain warning ended |
| Dec 26 2009 03:30:04 | Freezing rain warning in effect |
| Dec 25 2009 15:40:03 | Freezing rain warning in effect |
| Dec 09 2009 22:50:02 | Snowfall warning ended |
| Dec 08 2009 05:00:04 | Snowfall warning in effect |
| Dec 03 2009 11:30:06 | Rainfall warning ended |
| Dec 02 2009 15:50:03 | Rainfall warning in effect |
| Oct 14 2009 04:20:03 | Frost warning in effect |
| Oct 13 2009 05:20:07 | Frost warning in effect |
| Oct 12 2009 05:00:04 | Frost warning ended |
| Oct 11 2009 11:20:04 | Frost warning in effect |
| Aug 18 2009 20:30:04 | Severe thunderstorm watch ended |
| Aug 18 2009 19:20:03 | Severe thunderstorm watch continued |
| Aug 18 2009 18:40:04 | Severe thunderstorm watch continued & high heat and humidity warning ended |
| Aug 18 2009 15:40:04 | High heat and humidity warning continued & severe thunderstorm watch continued |
| Aug 18 2009 14:00:06 | Severe thunderstorm watch continued & high heat and humidity warning continued |
| Aug 18 2009 10:50:04 | High heat and humidity warning continued & severe thunderstorm watch |
| Aug 17 2009 21:30:04 | High heat and humidity warning continued |
| Aug 17 2009 18:10:03 | High heat and humidity warning continued & severe thunderstorm watch continued |
| Aug 17 2009 18:00:05 | Severe thunderstorm watch continued & high heat and humidity warning continued |
| Aug 17 2009 05:20:03 | High heat and humidity warning continued |
| Aug 16 2009 15:30:05 | High heat and humidity warning |
| Aug 11 2009 17:10:02 | Severe thunderstorm watch ended |
| Aug 11 2009 14:10:04 | Severe thunderstorm watch continued |
| Aug 10 2009 22:10:03 | Severe thunderstorm watch ended |
| Aug 10 2009 15:40:03 | Severe thunderstorm watch continued |
| Aug 04 2009 21:10:04 | Severe thunderstorm watch ended |
| Aug 04 2009 12:40:03 | Severe thunderstorm watch continued |
| Aug 04 2009 11:00:05 | Severe thunderstorm watch |
| Jul 29 2009 20:50:04 | Severe thunderstorm watch ended |
| Jul 29 2009 14:10:05 | Severe thunderstorm watch continued |
| Jul 27 2009 01:40:03 | Severe thunderstorm warning ended |
| Jul 27 2009 00:20:03 | Severe thunderstorm warning & severe thunderstorm watch continued |
| Jul 27 2009 00:10:04 | Severe thunderstorm warning |
| Jul 26 2009 22:40:02 | Severe thunderstorm watch continued |
| Jul 26 2009 22:10:03 | Severe thunderstorm watch continued & severe thunderstorm warning continued |
| Jul 26 2009 22:00:04 | Severe thunderstorm warning continued |
| Jul 26 2009 21:40:04 | Severe thunderstorm watch continued & severe thunderstorm warning |
| Jul 26 2009 21:30:05 | Severe thunderstorm warning |
| Jul 26 2009 21:10:04 | Severe thunderstorm watch |
| Jul 13 2009 14:50:03 | Severe thunderstorm watch ended |
| Jul 13 2009 14:20:03 | Severe thunderstorm watch continued |
| Jul 13 2009 13:30:06 | Severe thunderstorm warning ended & severe thunderstorm watch continued |
| Jul 13 2009 13:10:03 | Severe thunderstorm warning & severe thunderstorm watch continued |
| Jul 13 2009 13:00:05 | Severe thunderstorm warning continued & severe thunderstorm warning & severe thunderstorm watch continued |
| Jul 13 2009 12:50:04 | Severe thunderstorm watch |
| Jul 12 2009 00:20:03 | Severe thunderstorm watch ended |
| Jul 11 2009 23:00:05 | Severe thunderstorm watch continued |
| Jul 11 2009 22:40:03 | Severe thunderstorm warning ended & severe thunderstorm watch continued |
| Jul 11 2009 22:30:05 | Severe thunderstorm warning ended |
| Jul 11 2009 21:10:04 | Severe thunderstorm warning continued & severe thunderstorm watch continued |
| Jul 11 2009 17:30:04 | Severe thunderstorm watch continued |
| Jul 01 2009 21:00:04 | Severe thunderstorm watch ended |
| Jul 01 2009 19:30:05 | Severe thunderstorm watch continued |
| Jun 30 2009 21:40:02 | Severe thunderstorm watch ended |
| Jun 30 2009 20:10:03 | Severe thunderstorm watch continued |
| Jun 30 2009 19:30:05 | Severe thunderstorm watch |
| Jun 26 2009 18:30:04 | Severe thunderstorm watch ended |
| Jun 26 2009 11:10:04 | Severe thunderstorm watch continued |
| Jun 25 2009 20:10:04 | Severe thunderstorm watch ended |
| Jun 25 2009 18:40:04 | Severe thunderstorm watch continued |
| May 11 2009 11:30:04 | Frost warning continued |
| Mar 11 2009 20:20:03 | Wind warning ended |
| Mar 11 2009 11:40:05 | Wind warning continued |
| Mar 11 2009 05:30:06 | Wind warning continued |
| Mar 06 2009 08:20:04 | Freezing rain warning ended |
| Mar 06 2009 04:40:02 | Freezing rain warning continued |
| Mar 05 2009 16:10:03 | Freezing rain warning |
| Feb 27 2009 22:30:04 | Flash freeze warning ended |
| Feb 27 2009 16:00:06 | Flash freeze warning continued |
| Feb 19 2009 11:30:05 | Snowfall warning ended |
| Feb 19 2009 05:00:05 | Snowfall warning continued |
| Feb 18 2009 12:10:02 | Snowfall warning continued |
| Feb 18 2009 05:10:05 | Snowfall warning |
| Feb 12 2009 15:40:03 | Rainfall warning ended |
| Feb 11 2009 15:30:06 | Rainfall warning continued |
| Feb 11 2009 11:10:03 | Rainfall warning |
| Feb 10 2009 15:20:03 | Freezing rain warning ended |
| Feb 10 2009 04:40:03 | Freezing rain warning continued |
| Feb 09 2009 15:30:06 | Freezing rain warning |
| Jan 30 2009 16:00:07 | Snowsquall warning ended |
| Jan 30 2009 14:50:03 | Snowsquall warning continued |
| Jan 28 2009 23:10:02 | Snowfall warning ended & blowing snow warning ended |
| Jan 28 2009 04:20:04 | Snowfall warning continued & blowing snow warning continued |
| Jan 27 2009 15:40:07 | Snowfall warning & blowing snow warning |
| Jan 22 2009 16:00:06 | Snowsquall warning ended |
| Jan 22 2009 11:20:04 | Snowsquall warning |
| Jan 14 2009 00:40:02 | Flash freeze warning ended & snowsquall warning ended |
| Jan 13 2009 21:20:03 | Flash freeze warning & snowsquall warning continued |
| Jan 07 2009 23:30:05 | Snowfall warning ended |
| Jan 07 2009 04:20:03 | Snowfall warning continued |
| Jan 06 2009 11:00:05 | Snowfall warning continued |
| Jan 06 2009 04:20:02 | Snowfall warning |
