Good Wednesday Morning,

National strike at Portugal’s major airports beginning at 00z tonight through 00z Friday. ATC is not on strike however but expected limited met services 20z today until 09z on Friday. Significant storm system likely to impact the Toronto to Quebec City region through this evening with moderate snow and likely significant delays due to snow clearing and deicing. Yellow warnings remain in place. Very deep area of low pressure will be present just to the SW of Iceland on Thursday and this will result in very gusty winds over the island with heavy snow and blowing snow likely over the Eastern half of the island. Very strong blocking ridge continues over the Central Aleutian Islands resulting in a cold and dry Northerly flow over the PANC area.

Critical weather days / geomagnetic storm outlook – caution for flooding over the Pacific Northwest through 00z tonight. No geomagnetic storms through Friday.

CONUS severe weather outlook – all is quiet through the weekend.

Tropical weather outlook – invest area 91S, 570 miles NW of Christmas Island has a low chance of developing over the next day or so.

Europe outlook – upper-level ridging will persist over much of central Europe through the weekend resulting in a fairly stable pattern, thus overnight fog and low ceilings are likely. On Thursday, a cold front will be located from Western Scotland to offshore NW Portugal and by Friday it will move slowly East with showers along with front. NOSIG weather expected. No snow is expected in the Alps for the next seven days at least.

North Atlantic jet stream analysis – an upper-level trough west of Ireland along with an upper-level low over Labrador on Friday will result in a limited meridional flow with velocities of 150 knots.

Images courtesy of wxcharts.com, pivotal weather.com, tropical tidbits.com, UK met office, Weather prediction center, Environment Canada, weathernerds.org, Tomer tropical weather and the joint typhoon warning center.