late burst of sunshine to turn up the heat

  1. 40 Posts.
    People are making lots of comments about global warming and mis-information and what is fact. Monday's Age newspaper has an an article that included:

    "The duty forecaster at the Bureau of Meteorology, Rod Dickson, said yesterday there was a strong chance of high temperatures between January and March, giving Melbourne a warmer-than-average summer."

    http://www.theage.com.au/victoria/late-burst-of-sunshine-to-turn-up-the-heat-20101227-198jo.html

    Out of interest I went to the following site:

    http://www.weather-climate.com/mel.html

    This site is controlled by Dr Harvey Stern a meteorologist with the Australian Bureau of Meteorology, and currently heads the Climate and Consultancy Section of the Bureau's Victorian Office. It also has long range forecasts for Melbourne's weather for the next few months. A summary of the key predictions is:

    RAINFALL: There is a very slightly enhanced chance that total JAN/FEB/MAR rainfall will be above normal in the NORTHERN COUNTRY and NORTHEAST Districts, there is a very slightly enhanced chance that rainfall will be below normal in the EAST GIPPSLAND District, but there is little indication as to whether rainfall will be below, near or above normal in other Victorian Districts.

    OVERNIGHT TEMPERATURES: There is a slightly enhanced chance that average JAN/FEB/MAR overnight temperatures will be above normal in the MALLEE, NORTHERN COUNTRY, NORTH CENTRAL and CENTRAL Districts, there is a very slightly enhanced chance that overnight temperatures will be above normal in the WEST GIPPSLAND District, there is a slightly enhanced chance that overnight temperatures will be below normal in the WIMMERA District, but there is little indication as to whether overnight temperatures will be below, near or above normal in other Victorian Districts.

    DAYTIME TEMPERATURES: There is a slightly enhanced chance that average JAN/FEB/MAR daytime temperatures will be above normal in the MALLEE, WIMMERA, CENTRAL and WESTERN Districts, there is a very slightly enhanced chance that daytime temperatures will be below normal in the WEST GIPPSLAND District, but there is little indication as to whether daytime temperatures will be below, near or above normal in other Victorian Districts.

    The question I have to Rod Dickson and Harvey Stern is why are there such differences in the advice being given, supposedly from the same Bureau of Meteorology?
 
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