Tag Archives: rainfall amounts

Rainfall Warning

Rain, heavy at times, will begin this evening and end Monday afternoon. Total rainfall amounts of 25 to 50 mm are expected. Rainfall warnings are issued when 25 mm or more of rain are expected within 24 hours, when the ground is frozen or saturated, and has a reduced ability …

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Rainfall Warning

Rain, heavy at times is expected. The frozen ground has a reduced ability to absorb this rainfall. A moisture laden low pressure area located over Kentucky this morning will bring a significant rain storm to the region as it tracks up just south of Lakes Erie and Ontario later today …

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Rainfall Warning

Rain, heavy at times is expected. The frozen ground has a reduced ability to absorb this rainfall. Rain is forecast to spread into the regions this evening. The rainfall will be heavy at times, mainly through the overnight hours, and may be accompanied by a thunderstorm or two. Total rainfall …

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Rainfall Warning

Rain, at times heavy, is expected. An unseasonably strong low pressure system over Ohio will bring a significant rainfall to the regions today and tonight as it tracks northeast just south of Lake Erie. The heaviest rain will move out of the Windsor and Sarnia areas by this evening, and …

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Severe Thunderstorm Watch

Conditions are favourable for the development of severe thunderstorms that may be capable of producing heavy rain. Isolated thunderstorms will develop early this afternoon and continue into this evening. Heavy downpours are expected with these thunderstorms with rainfall amounts near 30 mm. The main concern is for regions that receive …

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Rainfall Warning for: St. Thomas – Aylmer – Eastern Elgin County

Periods of rain, at times heavy, are expected on Thursday. Some thunderstorm activity is also likely to be associated. Rainfall amounts will be variable, with average amounts in the 20 to 30 mm range. However 40 to 50 mm may be possible in some locales due to very heavy rainfall …

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Severe Thunderstorm watch for: St. Thomas – Aylmer – Eastern Elgin County

ISSUED BY ENVIRONMENT CANADA AT 11:59 AM EDT WEDNESDAY 11 SEPTEMBER 2013 Summary Severe thunderstorms possible this afternoon and tonight. This is an alert to the potential development of severe thunderstorms with large hail, damaging winds or heavy rainfall..Monitor weather conditions and listen for updated bulletins. Details Warm and humid …

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Severe Thunderstorm watch for: St. Thomas – Aylmer – Eastern Elgin County

Risk of severe thunderstorms this afternoon. This is an alert to the potential development of severe thunderstorms with large hail, damaging winds or heavy rainfall..Monitor weather conditions and listen for updated bulletins. Details An area of thunderstorms is approaching the regions from the northwest. These storms will be capable of …

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Rainfall Warning for: St. Thomas – Aylmer – Eastern Elgin County

Heavy rain and thunderstorms tonight. Details A low pressure system approaching the Lower Great Lakes from the American Midwest is ushering in a warm and very moist airmass. Scattered thunderstorms are expected to move across Southwestern Ontario late this evening and overnight with torrential downpours associated. Rainfall amounts of 50 …

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Rainfall Warning for: St. Thomas – Aylmer – Eastern Elgin County

ISSUED BY ENVIRONMENT CANADA AT 3:50 AM EDT WEDNESDAY 10 APRIL 2013 Summary Heavy rainfall into Thursday. A series of low pressure systems will continue to give several rounds of rain to the regions through Thursday. There will be occasional lulls in the precipitation as well. The rain may be …

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Rainfall Warning for: St. Thomas – Aylmer – Eastern Elgin County

ISSUED BY ENVIRONMENT CANADA AT 2:42 PM EDT TUESDAY 9 APRIL 2013 Summary Heavy rainfall into Thursday. Details A series of low pressure systems will give periods of rain to the regions from this evening through Wednesday and into Thursday. The rain will be heavy at times with isolated thunderstorms …

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Rainfall Warning for: St. Thomas – Aylmer – Eastern Elgin County

Near 25 mm of rain today and tonight. A low pressure centre over Lake Michigan is expected to slowly intensify as it tracks toward the Central Great Lakes today. Rain associated with the low is streaming north from the Gulf of Mexico to Southern Ontario. Regions near and just north …

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