#onstorm
Latest regional Radar composite loop, moderate rains in southern sections of NW/NEONT, while showers are beginning to enter extreme SWONT. #onwx #onstorm
November 4, 2026 at 1:20 PM
Scattered showers for this morning in Kingston and Eastern Ontario #ygk #rain #ONwx #ONStorm
November 3, 2026 at 1:21 PM
Large occluded Low over the Great Lakes, it continues to pump moisture into the region. Latest Regional Radar comp for the Great Lakes zoomed into SONT. #onwx #onstorm
November 5, 2026 at 1:26 AM
Lot's of moisture streaming northward evident in this latest radar + satellite water vapour imagery loop. Straight from the Gulf of Mexico pipeline into NONT. #onwx #onstorm
November 4, 2026 at 1:09 AM
Beautiful t-shirt weather in the GTA (Greater #Toronto area) - not complaining one bit! Might smash some records with a high of 21C to 23C forecast in many places and yes, it’s Nov 4th tomorrow #ONstorm #ONwx
November 3, 2026 at 10:34 PM
The cyclonic flow around the occluded Low moving thru SONT will help shape the total rainfall footprint pattern thru the weekend. Total rainfall output from ~now thru the weekend ending 7PM Sun. #onwx #onstorm
November 6, 2026 at 1:45 AM
Latest hourly run of the HRRR - Radar 4cast + Total rainfall or "rain trail" left behind (in inches -scale on top) from ~now till 1PM Thurs. And the unsettled weather continues... #onwx #onstorm
November 5, 2026 at 1:55 AM
7AM EST (12Z) Synoptic “Snapshot” summary of
current atmospheric conditions in S. Ontario
Such as-pressure/temp.-fields/frontal locations.
A total precipitation outlook for the day till Midnight
& any active ECCC Alerts at post: None
#onwx #onstorm
November 5, 2026 at 1:00 PM
Latest Radar loop (P-type) for the Great Lakes, added max wind gust reports (in mph) from various wx stations just behind the Low. Some rain showers are transitioning to wet snow/flurries in NONT as colder air wraps around that occluded Low in N. MI. #onwx #onstorm
November 6, 2026 at 1:28 AM
7AM EST (12Z) Synoptic “Snapshot” summary of
current atmospheric conditions in S. Ontario
Such as-pressure/temp.-fields/frontal locations.
A total precipitation outlook for the day till Midnight
& any active ECCC Alerts at post: None
#onwx #onstorm
November 4, 2026 at 1:10 PM
7PM EST (00Z) Synoptic “Snapshot” summary of
current atmospheric conditions in S. Ontario
Such as-pressure/temp.-fields/frontal locations.
A total precipitation outlook for overnight till 7AM next day & any active ECCC Alerts at post: None
#onwx #onstorm
November 6, 2026 at 1:07 AM
7PM EST (00Z) Synoptic “Snapshot” summary of
current atmospheric conditions in N. Ontario
Such as-pressure/temp.-fields/frontal locations.
A total precipitation outlook for overnight till 7AM next day & any active ECCC Alerts at post: None
#onwx #onstorm
November 6, 2026 at 1:06 AM
7AM EST (12Z) Synoptic “Snapshot” summary of
current atmospheric conditions in N. Ontario
Such as-pressure/temp.-fields/frontal locations.
A total precipitation outlook for the day till Midnight
& any active ECCC Alerts at post:
shorturl.at/DOeV4
#onwx #onstorm
November 5, 2026 at 12:59 PM
7AM EST (12Z) Synoptic “Snapshot” summary of
current atmospheric conditions in N. Ontario
Such as-pressure/temp.-fields/frontal locations.
A total precipitation outlook for the day till Midnight
& any active ECCC Alerts at post:
shorturl.at/TgBsu -Rain
#onwx #onstorm
November 4, 2026 at 1:09 PM
I guess this may be the last HRRR run that I post.🥺 "Farewell HRRR...and we thank you"-Radar 4cast from ~now till Noon Tues. #onwx #onstorm
November 3, 2026 at 1:46 AM
7PM EST (00Z) Synoptic “Snapshot” summary of
current atmospheric conditions in S. Ontario
Such as-pressure/temp.-fields/frontal locations.
A total precipitation outlook for overnight till 7AM next day & any active ECCC Alerts at post: None
#onwx #onstorm
November 5, 2026 at 1:10 AM
7PM EST (00Z) Synoptic “Snapshot” summary of
current atmospheric conditions in N. Ontario
Such as-pressure/temp.-fields/frontal locations.
Precipitation outlook for overnight till 7AM next day & any active ECCC Alerts at post:
shorturl.at/THg92 -Rainfall
#onwx #onstorm
November 5, 2026 at 1:09 AM
7AM EST (12Z) Synoptic “Snapshot” summary of
current atmospheric conditions in S. Ontario
Such as-pressure/temp.-fields/frontal locations.
A total precipitation outlook for the day till Midnight
& any active ECCC Alerts at post: None
#onwx #onstorm
November 3, 2026 at 12:59 PM
7PM EST (00Z) Synoptic “Snapshot” summary of
current atmospheric conditions in N. Ontario
Such as-pressure/temp.-fields/frontal locations.
A total precipitation outlook for overnight till 7AM next day & active ECCC Alerts at post:
shorturl.at/TpC9z -Rainfall
#onwx #onstorm
November 4, 2026 at 12:52 AM
7AM EST (12Z) Synoptic “Snapshot” summary of
current atmospheric conditions in N. Ontario
Such as-pressure/temp.-fields/frontal locations.
A total precipitation outlook for the day till Midnight
& any active ECCC Alerts at post:
shorturl.at/8yKqA
#onwx #onstorm
November 3, 2026 at 12:57 PM
7PM EST (00Z) Synoptic “Snapshot” summary of
current atmospheric conditions in S. Ontario
Such as-pressure/temp.-fields/frontal locations.
A total precipitation outlook for overnight till 7AM next day & any active ECCC Alerts at post: None
#onwx #onstorm
November 4, 2026 at 12:53 AM
Latest regional Radar comp loop (P-type) for the Great Lakes, zoomed into SONT. Some mixing of snow/rain in NONT on the backside of the Low. For SONT-bulk of showers has moved thru, but the area is still unsettled, risk of showers continues, especially in EONT. #onwx #onstorm
November 5, 2026 at 1:19 PM
It’s such a beautiful day, greenhouse was overheating briefly! It’s in early winter mode (expecting single to low double digit daytime highs with cloud and sub zero nights) so it took longer to cool off with the ventilation. It’s a balmy 23 degrees outside with sunshine #ONstorm
November 3, 2026 at 7:29 PM
NBM and other models remain steadfast of rainfall amount in NONT (S. NWONT thru W. NEONT) which prompted ECCC to issue a Special Weather Statement for rainfall. (total rainfall estimates (mm) till Sat. AM) #onwx #onstorm
November 3, 2026 at 12:53 AM
Latest hourly HRRR run - Radar + Cloud Cover (50% & up) Variable cloudiness thru out the day with mild temps. and southerly light air. Enjoy your day! #onwx #onstorm
November 1, 2026 at 1:30 PM