Latest hourly run of the HRRR - Radar + cloud cover (over 50%) 4cast from ~now till Midnight. Look's mostly cloudy with the continued risk of scatted showers in deep SW corner of SWONT. #onwx #onstorm

8AM EDT (12Z) Synoptic “Snapshot” summary of
current atmospheric conditions in S. Ontario
Such as-pressure/temp.-fields/frontal locations. A
total precipitation outlook for day till Midnight & any active ECCC Alerts at post:None
#onwx #onstorm

8AM EDT (12Z) Synoptic “Snapshot” summary of
current atmospheric conditions in N. Ontario
Such as-pressure/temp.-fields/frontal locations. A
total precipitation outlook for day till Midnight & any active ECCC Alerts at post: shorturl.at/OyZlt
#onwx #onstorm

0Z run of the HRRR18-Radar + rain (QPF precip.) trail for the overnight till 2PM Wed. the focus remains in S. sections of SWONT along the North shore of L. Erie to long point. ( rainfall in inches-scale at top) #onwx #onstorm

Latest SONT radar comp, last 6 hrs. till 9:16 PM, of course that line of showers -"beefs up" after crossing the GTA and over the lake thru it's life cycle. lol. the bulk of the showers has moves thru, expecting more to develop in S. sections of SWONT later on. #onwx #onstorm

8PM EDT (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 8AM next day & any active ECCC alerts at post:None
#onwx #onstorm

8PM EDT (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 8AM next day & any active ECCC Alerts at post:None
#onwx #onstorm

The NTP has confirmed an additional downburst at Brodhagen in southwestern Ontario from the storms of September 2. There was damage to barns, grain bins, power poles and trees having a maximum rating of EF1.

Full details are available at the NTP blog here:

www.uwo.ca/ntp/blog/202...

#ONstorm

With southern Ontario's inclusion in the ring of fire situated south of the border, and with very hot and humid conditions situated over the Mississippi Valley, folks can expect to see rain and a thunderstorm risk on Tuesday. #ONstorm #ONwx

https://ow.ly/Ulzt50ZNQI5

last but not in the least, your "CAPE fix" for the day. Higher CAPE values will be focused in S. sections SWONT for most of the day, greater risk to fuel some of those potential storms that pop-up. #onwx #onstorm

With a tightening pressure gradient, winds will increase during daylight hours. the HRRR shows wind gust potential in the ~30 to 40+ knot range,-so expect gusts in the range of ~55 to 70 km/h, with risk of gusts up to 80k/hr. #onwx #onstorm

Latest hourly run HRRR- Radar 4cast- from ~now till Wed. 1AM. Scattered showers/storms will continue to pop-up here & there and trek across SONT for most of the day, Again, Northern regions of SW/SC/EONT/Cottage -main corridor. Heavier local rains in storms. #onwx #onstorm

8AM EDT (12Z) Synoptic “Snapshot” summary of
current atmospheric conditions in S. Ontario
Such as-pressure/temp.-fields/frontal locations. A
total precipitation outlook for day till Midnight & any active ECCC Alerts at post:None
#onwx #onstorm

8AM EDT (12Z) Synoptic “Snapshot” summary of
current atmospheric conditions in N. Ontario
Such as-pressure/temp.-fields/frontal locations. A
total precipitation outlook for day till Midnight & any active ECCC Alerts at post:
shorturl.at/cvkH8
#onwx #onstorm

Current look at the regional comp radar show's an area of showers with a few embedded storm over N. MI trekking NE-ward towards N. L. Huron/G. Bay. Look's like a fresh batch of developing showers/storms to the South of this area heading in the same direction. #onwx #onstorm

Various current model overview's on rainfall potential ~now till Wed. 8PM. All tell a slightly different story, what's common in these runs "Et al." models-is the focus in deep SWONT & N. regions/Cottage Country-of SONT -these regions may experience more rainfall. #onwx #onstorm

Waited for the latest 0Z run of the HRRR48 - Radar 4cast- from ~now till 8PM Wed. the bulk of the system (showers/scat. storms) moves thru N sections of SW/SC/Cottage C./EONT. Heavier rainfall potentially will be in xtreme SWONT. #onwx #onstorm

8PM EDT (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 8AM next day & any active ECCC alerts at post:
shorturl.at/W644x
#onwx #onstorm

8PM EDT (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 8AM next day & any active ECCC Alerts at post:None #onwx #onstorm

Latest hourly run of the HRRR -Radar + cloud cover 50% and up, from ~now till 1 AM Tues. Showers and a few storms will be focused in SW sections of NWONT, For SONT clear to start, increasing mid-high clouds into the late aft./early evening. #onwx #onstorm