The Wacky World of Weather Stations: No. 30- Hobart (Tas)

Please refer back to my first post for site specifications.

Station:  Hobart 94029

Opened: 1882

Daily Temperature data from: 1882

Data used to adjust Acorn sites at: Butlers Gorge, Cape Bruny, Grove, Larapuna, Launceston

Location: Co-ordinates   -42.8897 147.3278

Hobart map

Close to the centre of Hobart.

2013 BOM Site Plan:

Hobart plan

2019 satellite image:

Hobart aerial

2018 street view:

Hobart street

The station is in a heavily built up area of Hobart.  It is surrounded by buildings, including the four storey BOM building to the south-west, concrete and bitumen.  Cooling winds are restricted, especially from the south-west.

This station is not compliant.  Temperatures are uploaded every minute and reported at Latest Weather Observations.   The BOM acknowledges the UHI effect at this station and so does not include it when making climate analyses- yet the BOM does use Hobart data to adjust temperatures at other Acorn stations.

FAIL

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6 Responses to “The Wacky World of Weather Stations: No. 30- Hobart (Tas)”

  1. Bill in Oz Says:

    Par for the BOMb course Ken !
    I am beyond surprise with this.

  2. Graeme No.3 Says:

    I wonder if they check temperatures on Mt. Wellington?
    Colder and no UHI effect, so I guess that rules it out.

  3. Luke Says:

    The BoM building was pulled down years ago. It is not in a heavily built up area of Hobart. The site is in an area that has not largely changed in density ( re development ) for decades. The cool SW-SE wind from the sea blows in, like it has done for decades. Aerial views never give proper prospective of space. Got any information that BoM uses Hobart data to change data at other ACORN sites? Even if it did, you mention they adust for UHI influence ( like they always have ).

    • kenskingdom Says:

      Hullo Luke! Wonderful to hear that the area is not heavily built up- have those houses, buildings, and streets disappeared to be replaced by open park land? And wonderful that the area has not changed in density for decades- not sure how that makes any difference to whether a site meets BOM guidelines. And yes, I do have information that BOM uses Hobart data to change data at other Acorn sites- namely Butlers Gorge, Cape Bruny, Grove, Larapuna, and Launceston. It’s all set out in the Acorn Station Catalogue which you can check if you click on the “Acorn sites” link in the 5th paragraph. And they adjust for lots of other things besides UHI, like “Statistical”, “Screen”, “Merge”. Not a lot of UHI at Cape Bruny or Larapuna.
      As you can see, I’m not impressed by your comment. Try harder.

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