weather
January was officially Australia’s hottest month on record
CANBERRA, Australia — Australia sweltered through its hottest month on record in January and the summer of extremes continued with wildfires razing the drought-parched south and flooding in expanses of the tropical north.
Australia’s Bureau of Meteorology confirmed the January record on Friday as parts of the northern hemisphere had record cold.
Australia’s scorching start to 2019 — in which the mean temperature across the country for the first time exceeded 30 degrees Celsius (86 degrees Fahrenheit) — followed Australia’s third-hottest year on record. Only 2005 and 2013 were warmer than 2018, which ended with the hottest December on record.
Heat-stressed bats dropped dead from trees by the thousands in Victoria state and bitumen roads melted in New South Wales during heatwaves last month.
New South Wales officials say drought-breaking rains are needed to improve the water quality in a stretch of a major river system where hundreds of thousands of fish died in two mass deaths during January linked to excessive heat. A South Australia state government report on Thursday found that too much water had been drained from the river system for farming under a management plan that did not take into account the impact of climate change on the river’s health.
The South Australian capital Adelaide on Jan. 24 recorded the hottest day ever for a major Australian city — a searing 46.6 C (115.9 F).
On the same day, the South Australian town of Port Augusta, population 15,000, recorded 49.5 C (121.1 F) — the highest maximum anywhere in Australia last month.
Bureau senior climatologist Andrew Watkins described January’s heat as unprecedented.
“We saw heatwave conditions affect large parts of the country through most of the month, with records broken for both duration and also individual daily extremes,” Watkins said in a statement.
The main contributor to the heat was a persistent high-pressure system over the Tasman Sea between Australia and New Zealand that blocked cold fronts from reaching southern Australia.
Rainfall was below-average for most of the country, but the monsoonal trough has brought flooding rains to northern Queensland state in the past week, leading to a disaster declaration around the city of Townsville.
Queensland’s flooded Daintree River reached a 118-year high this week.
Emergency services reported rescuing 28 people from floodwaters in the past week.
“The vast bulk of the population will not have experienced this type of event in their lifetime,” State Disaster Coordinator Bob Gee told reporters, referring to the extraordinary flooding.
Townsville Mayor Jenny Hill described the torrential rain as a “one-in-100-year event” that had forced authorities to release water from the city dam. The water release would worsen flooding in low-lying suburbs, but would prevent the Ross River from breaking its banks.
In the southern island state of Tasmania, authorities are hoping rain will douse more than 40 fires that have razed more than 187,000 hectares (720 square miles) of forest and farmland by Friday. Dozens of houses have been destroyed by fires and flooding in recent weeks.
Milder weather since Thursday has lowered the fire danger but it was forecast to escalate again from Sunday.
The Climate Council, an Australian independent organization formed to provide authoritative climate change information to the public, said the January heat record showed the government needed to curb Australia’s greenhouse gas emissions which have increased during each of the past four years.
“Climate change is cranking up the intensity of extreme heat, and January’s record-breaking month is part of a sharp, long-term upswing in temperatures driven primarily from the burning of fossil fuels,” the council’s acting chief executive Martin Rice said in a statement.
Rod McGuirk, The Associated Press
Agricultural Moisture Situation Update – January 3, 2024
Synopsis
This year’s El Niño has developed into a strong El Niño and currently has a 54% chance of developing into a “historically strong” event, according to NOAA. Current forecasts are projecting El Niño to diminish in April 2024. In the past for Alberta, not all El Niño’s have resulted in warmer and drier weather; however, this unusually warm and dry winter will forever be tied to the 2023-2024 El Niño and will serve as an important data point in the future.
In the 90-days since October 6, 2023, temperatures have remained well above average, with many parts of the northern-half of the province seeing temperatures this warm less than once in 50 years (Map 1). This coupled with low precipitation accumulations has resulted in virtually snow free
conditions across parts of all four of our agricultural regions
(Map 2).
Winter Precipitation Accumulations
November 1, 2023 to January 3, 2024
Since November 1st, the unofficial start to winter in Alberta, precipitation has been well below average across much of Alberta’s agricultural areas (Map 3).
Most of the lands south of Grande Prairie and north of Ponoka are estimated to have a winter thus far, this dry on average, less than once in 50-years. Dry conditions have also persisted across the Central and Southern Regions, ranging from a few widely scattered pockets of near normal to at least once in 25 year lows, centered around the Jenner area (approx. 200 km east of Calgary). Total accumulations currently range from less than 3 mm through parts of the North West and North East Regions up to only 20-30 mm along the foothills and through the western and northern portions of the Peace Region (Map 4).
For the dryer parts of the North West and North East Regions this translates to less than 10% of the 1991-2020 average (Map 5).
Elsewhere, most other lands have received precipitation accumulations that have generally been less
than 50% of the 1991-2020 average.
Perspective
From an annual moisture budget perspective, October through to March generally mark the dry season across the agricultural areas (Map 6), accounting for only about 20% of average annual accumulations across most of the Southern Region, to upwards of 30-35% across the Peace Region.
These significant moisture deficits thus far (50% of the way through the dry season), while discouraging to many, make up only a small portion of the annual moisture budget for an area. Winter is not over yet and if the current forecast is correct, a significant cold snap is on its way over the next few days and it is expected to persist well into next week, perhaps even longer. Along with the cold snap, there is also a forecast for moisture and the promise of at least some snow cover across many areas.
Spring is yet many weeks away and anything can happen between now and then. Furthermore, February on average, is the driest month of the year with most agricultural lands normally receiving less than 15 mm of moisture during this month (Map 6). Let’s hope, for the sake of our producers,
that we descend into at least near “normal” winter conditions and that we see one of Alberta’s famous weather reversals, with respect to moisture. Above average snow fall is very much needed now. Much of the land is extremely dry and has been held tenaciously in the grip of a long-lasting dry
cycle that needs to end soon!
Monday, August 1st will be a day hundreds of Albertans will never forget. The hail storm that devastated an area of Central Alberta resulted in a series of terrifying experiences for motorists on the QE II, especially around Antler Hill, just north of Innisfail. This is a map of the area most affected by the largest hail stones most have seen in their lifetimes.
Yes we’ve all heard people talk about “baseball” or “tennis ball” sized hail in the past. In this case, those comparisons are simply too small!
Now you can imagine how terrifying it must have been to be caught driving on the QE II south of Red Deer and north of Innisfail during this storm on Monday, August 1st. Here’s what that felt like, courtesy of Gibran Marquez as posted on the Facebook Page Alberta Storm Reports
This couple was remarkably calm considering the battering they were experiencing!
The immediate aftermath.
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