Climate, Weather and Emergencies

The South West had a wild night, with Portland, Warrnambool & Hamilton having gusts over 100km/h. Local media outlet Fitzmedia Productions (based in Warrnambool) were providing regular updates on Facebook up until about midnight about power outages, road closures etc. It goes to show the importance of local news when events like these happen. Based on the comments, the locals are thankful for the up to date information.
https://www.facebook.com/fitzmediaproductions

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Its been weird weather here in Adelaide today.

Max temp was 25.6 at 8pm still 24.8 now.

Tomorrow forecast is 23 degrees (early showers then sunny).

Adelaide is often like that, roasting hot in the middle of the night. There’s not much high terrain to the north to stop the hot northerlies unlike in Sydney. Melbourne can also get these extremely warm nights, though not as often as Adelaide because there is some high ground to Melbourne’s north and NW.

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Yes that’s very common in summer, where overnight temps can be in the high 20s.

But the hot nights usually come with extremely hot days, temps in the mid 40s.

I thought it was unusual for the temps to be mid 20s all day and last well into the night and this early in the year. The temp didn’t drop below 24 until 3am, back down to 18 degrees now.

September is the start of the hot season these days, especially across the SA deserts. Oodnadatta even got to 40C last August.

This warm air will spread east- even Bungendore is going for a night or two which will only drop to the low teens (our September average minimum is still around 3C). Sydney could approach 30C on Monday or Tuesday.

Hey, long shot but thought I’d ask here - does anyone know of a device like a tabletop thermometer/hygrometer that will display dew point rather than relative humidity?

I’m just after something small/cheap that can sit on my desk like any other clock/thermometer would, but shows me the absolute rather than relative measure. Ideally this also wouldn’t be a full weather station and would cost significantly less than several hundred dollars. An investment in a proper weather station is maybe a bit further down the track.

RH is a useless measure when you’re sitting sweating your b******s off but because it’s 30 degrees it’s only showing 50-odd % humidity. I wanna know the dew point so I can know if it really is humid or not.

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Like this? It displays dew point

Yes, but was hoping for it not to have a three figure price tag if possible

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Sydney had a month’s worth of rain in one day.

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Meanwhile here in Victoria, much of the state desperately needs spring rain as water storage levels continue to drop.

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Emergency in Kimberly

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Thousands more in the firing line as new Brisbane flood maps released

Maps showing 17,000 homes affected by new Brisbane City Council flood modelling have gone online as data reveals insurers are charging more than double the average premium price in some suburbs.

The maps, announced last month, added thousands of properties to flood zones in the Lota, Jindalee and Breakfast creeks catchments.

Albion was one of the most affected, with a large area near Breakfast Creek now included in the five-level risk mapping system.

Chunks of Windsor, Wilston and Ashgrove have also been added to risk zones along Breakfast Creek.

(The new flood maps) were due to have gone online on September 19, but some residents complained they could not find live links last week.

The latest updates applied only to creek and waterway flooding, not Brisbane River or overland flow flooding.

They had now been formally included in council’s overlay mapping.

Councils need to stop zoning area prone to flooding for housing without suitable plans in place. Sydney is the worst for it.

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Queensland Fire Department has put in place local fire bans across South-East and Southern Queensland in coming days, including Brisbane. A number of local fire brigades on social media have been commenting many areas have become very dry, and are primed for burning should a bushfire start.

If these strong westerlies continue all through October- which they probably will- a lot of the eastern seaboard will be primed for fires. Around Sydney to the Illawarra might be the exception due to the excessive rainfall this year.

Brisbane has already had its driest September for nearly 40 years, so drier than even 2019. September is usually dry anyway but records are records.

Penrith is expected to reach 34C next Monday, so with those sorts of temperatures it doesn’t take long to dry out.

Canberra has largely missed the rain that the coast has copped so I’m a little concerned. Our fire season peaks a bit later than the coastal strip though (due to cooler spring temperatures) so hopefully this SSW from Antarctica starts to lose its grip in November. The other climate drivers are wet (unlike in 2019) so here’s hoping.

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Also see

Melbourne Water releases updated flood mapping for Yarra