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Tuesday, 1 March 2011 - Seasonal Climate Summary for Brisbane Metro - Product code IDCKGC24L0
During December 2010, very much above average rainfall was recorded around the Brisbane Metro area with most rain gauges recording December totals amongst the highest 10% on record and commonly three times the long term average.
Very much above average rainfall was recorded in the Brisbane Metro area during January with the main weather stations, listed in this report, all recording at least twice their long-term monthly average rainfall. A major rain event occurred in the Brisbane Metro area between the 10th and 12th of January when an upper-level low combined with a humid easterly flow to bring very heavy rain to the area (for more information see SCS 24, page 4 and a comparison with previous events on page 7). Severe flooding, including river and flash flooding, occurred in Brisbane and nearby areas of southeast Queensland during the second week of January (for more information see SCS 24, pages, 7, 8 and 9).
During February, the total rainfall was close to the average for most metropolitan areas, while drier over the western suburbs.
For this summer, the Brisbane Metro region experienced very much above average rainfall, amongst the highest 10% on record.
The wettest overall was Redlands HRS with 966.0 mm, followed by Brisbane with 952.6 mm, then Logan City Water Treatment Plant with 945.7 mm.
The driest overall was Archerfield Airport with 758.8 mm, followed by Amberley AMO with 824.6 mm, then Brisbane Aero with 934.4 mm.Some sites had their highest total summer rainfall on record. Some sites had their highest total summer rainfall for at least 20 years.
The wettest single day was at Brisbane Aero with 112.4 mm on 10 Jan 2011, followed by Brisbane with 110.8 mm on 10 Jan 2011, then Amberley AMO with 110.0 mm on 12 Jan 2011.See a map of total rainfall. See a map of rainfall deciles.
For this summer, the Brisbane Metro seasonal mean maximum temperatures were only 0 to 1 °C cooler than the long-term means, with the mean minimum temperatures 0 to 1 °C warmer than their corresponding means.
The warmest on average was Brisbane with 25.2 °C, followed by Redcliffe with 24.9 °C, then Logan City Water Treatment Plant with 24.8 °C.
The coolest on average was Amberley AMO with 24.5 °C, followed by Brisbane Aero with 24.6 °C, then Archerfield Airport with 24.7 °C.
The hottest day was at Amberley AMO with 36.0 °C on 18 Jan 2011, followed by Amberley AMO with 35.7 °C on 20 Feb 2011, then Brisbane with 35.3 °C on 20 Feb 2011.
The warmest days on average were at Amberley AMO with 29.5 °C, followed by Brisbane with 29.3 °C, then Archerfield Airport with 29.1 °C.
The coolest days on average were at Brisbane Aero with 28.1 °C, followed by Redcliffe with 28.3 °C, then Logan City Water Treatment Plant with 28.9 °C.
The coldest day was at Amberley AMO with 22.5 °C on 4 Dec 2010, followed by Redcliffe with 23.0 °C on 22 Dec 2010, then Amberley AMO with 23.0 °C on 26 Dec 2010.See a map of mean maximum temperatures. See a map of maximum temperature anomalies.
The coldest night was at Amberley AMO with 10.1 °C, followed by Archerfield Airport with 12.5 °C, then Redlands HRS with 12.8 °C all on 21 Dec 2010.
The coolest nights on average were at Amberley AMO with 19.6 °C, followed by Archerfield Airport with 20.3 °C, then Logan City Water Treatment Plant with 20.8 °C.
The warmest nights on average were at Redcliffe with 21.6 °C, followed by Brisbane with 21.1 °C, then Brisbane Aero with 21.1 °C.
The warmest night was at Redcliffe with 25.3 °C on 3 Feb 2011, followed by Redcliffe with 25.3 °C on 5 Feb 2011, then Redcliffe with 25.3 °C on 6 Feb 2011.See a map of mean minimum temperatures. See a map of minimum temperature anomalies.
The strongest wind gust was 96 km/h on 18 Jan 2011, followed by 91 km/h on 16 Dec 2010, then 80 km/h on 21 Feb 2011 all happened at Amberley AMO.
|Extremes in summer 2010-11|
36.0 °C at Amberley AMO on 18 Jan 2011|
35.7 °C at Amberley AMO on 20 Feb 2011
35.3 °C at Brisbane on 20 Feb 2011
35.3 °C at Amberley AMO on 21 Feb 2011
|Warmest days on average||
29.5 °C at Amberley AMO|
29.3 °C at Brisbane
29.1 °C at Archerfield Airport
|Coolest days on average||
28.1 °C at Brisbane Aero|
28.3 °C at Redcliffe
28.9 °C at Logan City Water Treatment Plan
22.5 °C at Amberley AMO on 4 Dec 2010|
23.0 °C at Redcliffe on 22 Dec 2010
23.0 °C at Amberley AMO on 26 Dec 2010
10.1 °C at Amberley AMO on 21 Dec 2010|
12.5 °C at Archerfield Airport on 21 Dec 2010
12.8 °C at Redlands HRS on 21 Dec 2010
|Coolest nights on average||
19.6 °C at Amberley AMO|
20.3 °C at Archerfield Airport
20.8 °C at Logan City Water Treatment Plant
|Warmest nights on average||
21.6 °C at Redcliffe|
21.1 °C at Brisbane
21.1 °C at Brisbane Aero
25.3 °C at Redcliffe on 3 Feb 2011|
25.3 °C at Redcliffe on 5 Feb 2011
25.3 °C at Redcliffe on 6 Feb 2011
|Warmest on average overall||
25.2 °C at Brisbane|
24.9 °C at Redcliffe
24.8 °C at Logan City Water Treatment Plant
|Coolest on average overall||
24.5 °C at Amberley AMO|
24.6 °C at Brisbane Aero
24.7 °C at Archerfield Airport
966.0 mm at Redlands HRS|
952.6 mm at Brisbane
945.7 mm at Logan City Water Treatment Plant
758.8 mm at Archerfield Airport|
824.6 mm at Amberley AMO
934.4 mm at Brisbane Aero
112.4 mm at Brisbane Aero on 10 Jan 2011|
110.8 mm at Brisbane on 10 Jan 2011
110.0 mm at Amberley AMO on 12 Jan 2011
|Highest wind gust||
96 km/h at Amberley AMO on 18 Jan 2011|
91 km/h at Amberley AMO on 16 Dec 2010
80 km/h at Amberley AMO on 21 Feb 2011
|Record highest total summer rainfall|
for summer 2010-11 (mm)
|Amberley AMO||824.6||801.2||in 1973||68||362.2|
|Highest total summer rainfall for at least 20 years|
for summer 2010-11 (mm)
Most recent summer
at least this wet
|Archerfield Airport||758.8||870.9||in 1973||34||415.2|
|Redlands HRS||966.0||1162.4||in 1973||29||477.0|
|Summary statistics for summer 2010-11|
|Moreton South Coast (district 40)|
|Amberley AMO||29.5||-1.3||36.0||18 Jan 2011||19.6||+0.4||10.1||21 Dec 2010||824.6||362.2||highest||228%|
|Archerfield Airport||29.1||-0.8||34.9||20 Feb 2011||20.3||+0.5||12.5||21 Dec 2010||758.8||415.2||v high||183%|
|Brisbane||29.3||-0.6||35.3||20 Feb 2011||21.1||+0.1||14.7||21 Dec 2010||952.6||415.2||v high||229%|
|Brisbane Aero||28.1||-0.7||33.5||18 Jan 2011||21.1||+0.3||13.4||21 Dec 2010||934.4||401.2||v high||233%|
|Logan City Water Treatment Plant||28.9||-0.5||35.2||20 Feb 2011||20.8||+0.8||13.1||21 Dec 2010||945.7||426.1||v high||222%|
|Redcliffe||28.3||31.8||20 Feb 2011||21.6||13.5||21 Dec 2010|
A Seasonal Climate Summary is prepared to list the main features of the weather in Brisbane Metro using the most timely and accurate information available on the date of publication; it will generally not be updated. Later information, including data that has had greater opportunity for quality control, will be presented in the Monthly Weather Review, usually published in the fourth week of the month.
This statement has been prepared based on information available at 10 am on Tuesday 1 March 2011. Some checks have been made on the data, but it is possible that results will change as new information becomes available.
Averages are long-term means based on observations from
all available years of record, which vary widely from site to site.
They are not shown for sites with less than 9 years of record, as they cannot then be calculated reliably.
The median is sometimes more representative than the mean of long-term average rain.
The Rank indicates how rainfall this time compares with the climate record for the site,
based on the
(very low rainfall is in decile 1, low in decile 2 or 3,
average in decile 4 to 7, high in decile 8 or 9
and very high is in decile 10).
The Fraction of average shows how much rain has fallen this time as a percentage of the long-term mean.
No instruments from the QLD flood warning network (recognised as TM or Alert), have been used in producing daily rainfall information in this report.