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Tuesday, 1 February 2011 - Monthly Climate Summary for Brisbane Metro - Product code IDCKGC14L0
Special Climate Statement 24 (SCS 24) titled 'Frequent heavy rain events in late 2010/early 2011 lead to widespread flooding across eastern Australia' was first issued on 7th Jan 2011 and updated on 25th Jan 2011.
Very much above average rainfall was recorded in the Brisbane metro area during January with the main weather stations all recording at least twice their long-term monthly average rainfall.
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).
The highest daily rainfall total recorded in the Brisbane Metro area during January was at Brisbane Aero with 112.6 mm on the 10th, followed by Brisbane with 110.8 mm on the 10th, followed by Amberley AMO with 110.0 mm on the 12th.The highest monthly rainfall total recorded at any of the main weather stations in the Brisbane Metro area during January was 354.2 mm at Brisbane Aero, followed by 329.6 mm Redlands HRS, followed by 319.0 mm at Amberley AMO.
The lowest mean temperature was recorded at Amberley AMO and Brisbane Aero with 24.8 °C, followed by Archerfield Airport with 24.9 °C.
The warmest days on average were at Amberley AMO with 30.0 °C, followed by Brisbane with 29.6 °C, followed by Archerfield Airport with 29.3 °C.
The coolest days on average were at Brisbane Aero with 28.3 °C, followed by Redcliffe with 28.4 °C, followed by Logan City Water Treatment Plant with 28.9 °C.
The coldest day was at Amberley AMO with 23.3 °C on the 6th, followed by Archerfield Airport with 23.7 °C on the 6th, followed by Brisbane Aero with 24.1 °C on the 6th.See a map of mean maximum temperatures. See a map of maximum temperature anomalies.
The coolest nights on average were at Amberley AMO with 19.7 °C, followed by Archerfield Airport with 20.5 °C, followed by Logan City Water Treatment Plant with 20.9 °C.
The warmest nights on average were at Redcliffe with 21.7 °C, followed by Brisbane and Brisbane Aero with 21.2 °C, followed by Logan City Water Treatment Plant with 20.9 °C.
The warmest night was at Brisbane Aero with 24.2 °C on the 19th, followed by Redcliffe with 24.1 °C on the 19th and 31st, followed by Redlands HRS with 24.0 °C on the 11th.See a map of mean minimum temperatures. See a map of minimum temperature anomalies.
|Extremes in January 2011|
36.0 °C at Amberley AMO on the 18th|
34.9 °C at Brisbane on the 18th
33.8 °C at Archerfield Airport on the 18th
|Warmest days on average||
30.0 °C at Amberley AMO|
29.6 °C at Brisbane
29.3 °C at Archerfield Airport
|Coolest days on average||
28.3 °C at Brisbane Aero|
28.4 °C at Redcliffe
28.9 °C at Logan City Water Treatment Plant
23.3 °C at Amberley AMO on the 6th|
23.7 °C at Archerfield Airport on the 6th
24.1 °C at Brisbane Aero on the 6th
15.5 °C at Redlands HRS on the 4th|
15.6 °C at Amberley AMO on the 23rd
16.2 °C at Redlands HRS on the 24th
|Coolest nights on average||
19.7 °C at Amberley AMO|
20.5 °C at Archerfield Airport
20.9 °C at Logan City Water Treatment Plant
|Warmest nights on average||
21.7 °C at Redcliffe|
21.2 °C at Brisbane
21.2 °C at Brisbane Aero
24.2 °C at Brisbane Aero on the 19th|
24.1 °C at Redcliffe on the 19th
24.1 °C at Redcliffe on the 31st
|Warmest on average overall||
25.4 °C at Brisbane|
25.1 °C at Redcliffe
25.0 °C at Logan City Water Treatment Plant
|Coolest on average overall||
24.8 °C at Amberley AMO|
24.8 °C at Brisbane Aero
24.9 °C at Archerfield Airport
354.2 mm at Brisbane Aero|
329.6 mm at Redlands HRS
319.0 mm at Amberley AMO
238.8 mm at Logan City Water Treatment Plant|
269.4 mm at Archerfield Airport
315.0 mm at Redcliffe
112.6 mm at Brisbane Aero on the 10th|
110.8 mm at Brisbane on the 10th
110.0 mm at Amberley AMO on the 12th
|Highest wind gust||
96 km/h at Amberley AMO on the 18th|
70 km/h at Redcliffe on the 29th
67 km/h at Redcliffe on the 10th
|Highest total January rainfall for at least 20 years|
for January 2011 (mm)
Most recent January
at least this wet
|Amberley AMO||319.0||635.2||in 1974||35||113.6|
|Archerfield Airport||269.4||622.5||in 1974||34||135.0|
|Redlands HRS||329.6||909.7||in 1974||34||154.3|
|Summary statistics for January 2011|
|Moreton South Coast (district 40)|
|Amberley AMO||30.0||-1.1||36.0||18th||19.7||+0.1||15.6||23rd||319.0||113.6||v high||281%|
|Archerfield Airport||29.3||-1.1||33.8||18th||20.5||+0.3||16.8||23rd||269.4||135.0||v high||200%|
|Brisbane Aero||28.3||-0.7||33.5||18th||21.2||0.0||17.8||24th||354.2||123.7||v high||286%|
|Logan City Water Treatment Plant||28.9||-0.8||33.5||17th||20.9||+0.5||17.4||25th||238.8||115.8||v high||206%|
A Monthly 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 11 am on Tuesday 1 February 2011. Some checks have been made on the data, but it is possible that results will change as new information becomes available.
These sites are compared to other long-term sites in the area using the
1961 to 1990 period where available for Brisbane temperature, the 1981
to 2004 for Redcliffe temperature and all years of record for rainfall.
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.