Reading Time: 2 minutes Atmospheric rivers are storms akin to rivers in the sky that dump massive amounts of rain and can cause flooding, trigger mudslides and result in loss of life and enormous property damage.
What are atmospheric rivers and why do they cause flooding?
More than 50 per cent chance of La Niña in coming months, WMO says
Reading Time: < 1 minute There is more than a 50 per cent chance of La Niña developing in the next three months, the World Meteorological Organization (WMO) said on Wednesday, but if it does it will be relatively weak and short-lived.
More precipitation at the start of winter says Environment and Climate Change Canada
Reading Time: 2 minutes Environment and Climate Change Canada (ECCC) presented its winter seasonal outlook on Dec. 4. Officials said they expect temperatures across the country to be close to or above normal for the beginning of winter. However, they pointed out Western Canada is likely to experience normal to below normal temperatures come January and February.
US forecaster sees 57 per cent chance of La Niña developing between now and December
Reading Time: < 1 minute There is a 57 per cent chance of La Niña emerging from now to December, and it is expected to persist through January to March 2025, a U.S. government forecaster said on Thursday.
US forecaster sees 60 per cent chance of La Niña weather in September-November
Reading Time: < 1 minute There is a 60 per cent chance of La Niña weather conditions emerging in September-November and they are expected to persist through January-March 2025, a U.S. government forecaster said on Thursday.
Warmer, drier October followed by colder, snowier November
Reading Time: < 1 minute The balance of October is likely to remain warmer than normal across the Canadian Prairies, but the weather could turn colder than normal in November, Weatherlogics chief scientist Scott Kehler explained.
Late season storms wreak havoc on Prairie crops
Reading Time: < 1 minute Severe hailstorms wreaked havoc on crops across Western Canada, bringing an unexpected surge in claims, according to the latest update from the Canadian Crop Hail Association (CCHA).
River level at Amazon rainforest port hits 122-year low amid drought
Grain exports and essential supplies affected
Reading Time: 2 minutes The river port in the Amazon rainforest's largest city of Manaus on Friday hit its lowest level since 1902, as a drought drains waterways and snarls transport of grain exports and essential supplies that are the region's lifeline.
Prairie forecast: Cooler, but still warmer than average
Forecast issued Sept. 25, covering Sept. 25 to Oct. 2, 2024
Reading Time: 3 minutes Despite a fairly unsettled pattern over the last forecast period, the weather models did a pretty good job of the forecast. For this forecast period, things should settle down a bit with a ridge of high pressure starting off our forecast. That doesn't mean that we won’t see any areas of low pressure, but unsurprisingly, the weather pattern is slowly shifting towards more of a fall pattern. That means quicker moving systems.
Prairie forecast: Weather pattern has undergone a shift
Reading Time: 3 minutes This forecast period starts with one of the northwestern U.S. lows slowly lifting northwards. The unsettled weather that started the week across parts of Saskatchewan and much of southern Manitoba looks to continue. It appears the low will only move out late Friday or early Saturday. Even parts of southern Alberta my see some rainfall from this low on Wednesday.