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    Extreme Temperatures throughout the Hunter
    Saturday, 21 February 2004

    by Grant Burgess

     

    Why was it so hot?

    ·     A “heat low” developed in central Australia on Tuesday and extended to the southeast of the continent.

    ·    The 1000hPa to 500hPa thickness was high, near 5900m. This indicated an extremely hot air mass.

    ·    Winds on the day were not strong and gusty but more light to moderate, with a definite northwesterly influence. The lighter winds allowed greater surface heating to occur and thus generate high temperatures.

    ·    Humidity throughout the day remained low and made the day just a little more bearable. This dropped to 14% in mid afternoon in turn keeping the dew-point temperature to a comfortable 10°C. Comparing these to the day before, humidity was closer to 40% with dew-points in excess of 20°C all day – in short hot and sticky.

    Temperatures throughout the hunter recorded on the day as well as Extremes

    Town

    Saturday’s Maximum

    February Record

    Date Recorded

    Overall Maximum

    Date Recorded

    Cessnock (Nulkaba)

    44.4

    43.3

    10/02/1983

    44.0

    15/01/2001

    Cessnock AP AWS

    44.0

    41.0

    06/02/1973

    43.4

    15/01/2001

    Gosford

    41.2

    43.0

    01/02/1977

    43.0

    Numerous

    Jerrys Plains PO

    44.5

    45.3

    09/02/1983

    45.6

    25/12/1957

    Lostock Dam

    42.5

    41.5

    09/02/1983

    42.4

    23/01/2001

    Maitland Visitors Centre

    44.5

    -

    -

    -

    -

    Mangrove Mountain

    40.6

    -

    -

    -

    -

    Murrurundi Gap

    38.3

    -

    -

    -

    -

    Murrurundi PO

    40.5

    40.6

    10/02/1983

    40.6

    Numerous

    Nelson Bay (Nelson Head)

    41.4

    -

    -

    -

    -

    Nobbys Signal Station

    40.9

    39.6

    01/02/1977

    42.0

    23/12/1990

    Newcastle Uni

    43.1

    -

    -

    -

    -

    Norah Head AWS

    35.9

    -

    -

    -

    -

    Norah Head Lighthouse

    -

    39.9

    21/02/1980

    42.4

    23/12/1990

    Paterson (Tocal AWS)

    44.6

    42.1

    06/02/1973

    44.2

    23/12/1990

    Peats Ridge

    40.5

    39.1

    04/02/1993

    42.9

    15/01/2001

    Scone AP AWS

    43.2

    -

    -

    -

    -

    Scone SCS

    -

    42.6

    17/02/1983

    43.4

    19/11/1968

    Singleton STP

    43.5

    -

    -

    -

    -

    Williamtown RAAF

    42.8

    42.0

    01/02/1977

    44.1

    07/01/1964

    # Data recorded by the Bureau of Meteorology.

    I have disregarded any extreme records taken over a period of less than 10 years.

    Saturdays Maximum temperatures are taken directly from the BoM’s “Silo” website section.

    These records are logged on a website be Laurier Williams at: http://www.australianweathernews.com/

    If you wish, you can navigate quickly to this site by going to my local website at: http://raymondterrace.hunterweather.com/ and follow these points:

    ·    Firstly go to the “links” page on the left hand side

    ·    Then on the right hand side, go down to the “Regional Websites” heading

    ·     Now on the third line under this heading entitled “Highlights”, go to the “Daily Data” link.

    ·     Now click on the Hunter Valley (Number 61).

    ·    If last months data loads, then go to the top of the page (the first bullet point), and click “Current”.

    back...


    Friday, 28 July 2017
    © 2017 Tim Grugeon