Multi-day heat event beginning Saturday.
What: Daytime highs of 30 to 33 degrees celsius, with humidex values of 35 to 40. Overnight lows of 19 to 23 degrees celsius.
When: Beginning on Saturday.
#onstorm #xbrwx
A multi-day heat event begins on Sunday.
What: Daytime high temperatures of 30 to 34 degrees celsius. Humidex values of 38 to 42. Nighttime low temperatures of 19 to 23 degrees celsius, providing little relief from the heat.
#onstorm #xbrwx
Thunderstorms may become severe today.
Hazards: Wind gusts up to 100 km/h heavy downpours hail up to toonie size
discussion: The main threat for will be this afternoon into early this evening. A line of thunderstorms may develop and move slowly eastward. #onstorm #xbrwx
Conditions are favourable for the development of severe thunderstorms that may be capable of producing strong wind gusts and heavy rain.
What: Wind gusts near 90 km/h. Locally heavy downpour #onstorm #xbrwx
At 2:44 P.M. Edt, Environment Canada meteorologists are tracking a severe thunderstorm capable of producing strong wind gusts and heavy rain.
This severe thunderstorm is located near garretton, moving southeast at 50 km/h.
Hazard: 90 km/h wind gusts.
#onstorm #xbrwx
Conditions are favourable for the development of severe thunderstorms that may be capable of producing strong wind gusts and heavy rain.
Hazards: Wind gusts up to 90 km/h. Heavy downpours.
#onstorm #xbrwx
At 1:32 a.m. Edt, Environment Canada meteorologists are tracking a severe thunderstorm capable of producing very strong wind gusts, up to nickel size hail and heavy rain.
This line of severe thunderstorms is located from rocksprings to Sand Lake, moving southeast at 100 km/h.
#onstorm #xbrwx
Conditions are favourable for the development of severe thunderstorms that may be capable of producing strong wind gusts, large hail and heavy rain.
Hazards: Wind gusts up to 100 km/h. Nickel to ping pong ball size hail. Heavy rainfall. #onstorm #xbrwx
Dangerous heat and humidity beginning Sunday afternoon.
What: Daytime highs of 31 to 36 degrees celsius. Humidex values of 40 to 45. Overnight lows of 21 to 25°C, providing little relief from the heat.
#onstorm #xbrwx #brockville #augusta #edwardsburghcardinal #prescott #elizabethtownkitley
Smoke is causing or expected to cause poor air quality and reduced visibility.
Wildfire smoke is expected over the area tonight into Friday.
As smoke levels increase, health risks increase. Limit time outdoors. Consider reducing / rescheduling outdoor activities. #onstorm #xbrwx
Areas of dense fog have developed and will dissipate later this morning.
Visibility may be significantly and suddenly reduced to near zero. Travel is expected to be hazardous due to reduced visibility in some locations. If travelling, be prepared for areas of near-zero visibility. #onstorm #xbrwx
Conditions are favourable for the development of dangerous thunderstorms that may be capable of producing damaging wind gusts and large hail.
What: Damaging wind gusts to 110 km/h. Large hail up 4 cm. Risk of a tornado.
#onstorm #xbrwx
Quite the storm front moving into #Brockville this morning! Light rain has started to fall and thunder can be heard in the distance. Great day to stay indoors! #onstorm #xbrwx
Freezing rain expected Wednesday night into early Thursday morning.
What: Freezing rain with ice accretion of 2 to 5 mm on some surfaces.
#ONStorm #xbrwx
Freezing rain with ice accretion of 2 to 5 mm on some surfaces. Rain, at times heavy. Total rainfall amounts of 20 to 40 mm. Locally higher amounts are possible in thunderstorms. #onstorm #xbrwx
Freezing rain on Sunday.
What: Prolonged period of freezing rain possible. Ice accretion possibly exceeding 5 mm. Power outages. Slippery surfaces and broken tree branches from ice build-up.
#onstorm #xbrwx
Significant snowfall tonight with freezing rain forecast Saturday night.
What: Snowfall accumulations of 10 to 15 cm. Reduced visibility at times in heavy snow.
When: Tonight into Saturday morning.
#onstorm #xbrwx
Major ice storm this weekend.
What: Prolonged period of freezingMajor ice storm this weekend.
What: Prolonged period of freezing rain. Significant ice accretion. General ice accretion amounts of 5 to 15 mm, with amounts in excess of 15 mm possible.
#onstorm #xbrwx
Significant ice accretion from freezing rain, with general amounts of 5 to 15 mm. Accretion amounts in excess of 20 mm are possible over some areas. Local snowfall and ice pellet accumulations of 5 to 15 cm, mainly for Central and northeastern Ontario.
#Onstorm #xbrwx
Rain and strong winds are possible on Sunday. The frozen ground has a reduced ability to absorb this rainfall.
What: Total rainfall amounts of 15 to 25 mm. Wind gusts of 60 to 80 km/h #onstorm #xbrwx
Winter weather travel advisory in effect.
What: Snowfall totals of 5 to locally 10 cm. Brief periods of heavy snow with reduced visibility.
When: Beginning this evening and ending overnight.
#onstorm #xbrwx
Winter weather travel advisory in effect for this evening.
What: Reduced visibility in snow and local blowing snow. Snowfall amounts of of 2 to 4 cm.
When: This evening.
Additional information: Travel along Highway 401 will be affected. #onstorm #xbrwx
FLASH FREEZE WARNING
Temperatures are forecast to fall rapidly. Ponding water, slush, and any falling precipitation will freeze as the temperature drops.
when: Late this afternoon or early this evening.
#onstorm #xbrwx
Winter weather travel advisory in effect for Thursday afternoon.
What: Temperatures are forecast to fall rapidly below the freezing mark. Ponding water or wet surfaces can freeze creating icy and slippery conditions.
#onstorm #xbrwx
Near zero visibility in fog is expected or occurring.
What: Reduced visibility due to locally dense fog.
When: Fog is expected to dissipate Thursday morning as strong westerly winds develop. #onstorm #xbrwx
Rainfall, combined with melting snow, is expected. The frozen ground has a reduced ability to absorb this rainfall.
What: Rainfall amounts of 15 to 25 mm.
When: Tonight through Wednesday.
#onstorm #xbrwx
Winter weather travel advisory in effect for early this afternoon.
This winter weather travel advisory replaces the snowfall warning previously in effect for the Ottawa area.
What: Reduced visibility in bursts of heavy snow and blowing snow. #onstorm #xbrwx
