Tuesday 24 SEP 2019
 

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2019

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National Daily Weather Summary


Records set | Charts | Cities | Hottest | Coldest | Rain, sun & wind | Downpours & gales
State extremes | Noteworthy weather | Capital Cities | Regional Cities | Alpine Stations
Charts and data courtesy Bureau of Meteorology. MTSAT-1R operated by JMA
Weather, Climate and Site News

Weather industry  New buoys measure Australia's wildest seas
Tue 24 Sep 2019.

The BoM recently replaced two of its ocean wave-monitoring buoys in the Southern Ocean. The buoys, which are exposed to the full force of the Roaring Forties, lie 10km W of Cape Sorell on Tasmania's West Coast and 7km W of Cape du Couedic at the SW tip of Kangaroo Island, SA.

The new Triaxis wave buoys have the ability to record wave direction as well as height and other parameters, and you can see them in green on the links above. The long-standing Cape Sorell buoy replaces one installed by the Bureau in January 1998 which in turn followed wave-monitoring on Tasmania's West Coast by the CSIRO. It's thought the highest wave recorded by the BoM's earlier Cape Sorell buoy was 18.4m on 16 September 2010 which was reported in The Age, complete with a tram for comparison. A reported 19.5m wave in 2006 has been dismissed as an error. The higher 19.83m wave recorded on 29 July 1985 was measured by the CSIRO buoy.

The two buoys are in a select company of Southern Hemisphere wave-measuring buoys monitoring Southern Ocean wave physics in the world's stormiest and least studied waters. The highest wave measured in the Southern Ocean was 22.03m south of TAS in 2012 until that record was broken by a Triaxis buoy moored off Campbell Island by New Zealand's MetOcean in 2018. Only 4 months after deployment, it measured a massive 23.8m wave on 8 May 2018. For comparison, here is the 24.38m monster off Nazaré, Portugal, that put Brazil's Rodrigo Koxa into the record books for the highest officially-measured wave ever surfed. It's important to note, though, that open ocean waves can't be compared with waves breaking on a shore. As a wave approaches a shoreline, it moves into shallower and shallower water, and the energy that's been propelling the wave forward has nowhere to go but up and the wave grows taller as a result.

For some interesting comparisons with Northern Hemisphere waves in the Atlantic Ocean, you may find this 2017 AWN Blog an interesting read. The highest scientifically recorded North Atlantic wave has been 29.1m from trough to crest. it also discusses the fascinating rogue waves, where sequences of waves align to produce one or more waves that can be twice or more the height of their neighbours. The highest measured one was the famous Draupner wave which was measured at 25.9m as it swept under Draupner E oil platform in the North Sea. All these are pussies, though, compared to the rockfall-generated tsunami that tore down Lituya Bay, Alaska, following an earthquake late in the evening of 9 July 1958. The wave this created sloshed up the steep sides of the bay removing all trees and vegetation to heights of up to 524m above sea level. The event is covered in detail, complete with an eyewitness account, in this Wikipedia article.

For notes on annotations (*, etc), attributions, abbreviations and translation using your browser, go here


Provisional records set or equalled today

Obvious errors have been corrected, however this is realtime data which has not yet been validated. Full validation of official records by the BoM Quality Management System (QMS) is a much more complex process and may take some months. Go here for further information on this records section and how the QMS works. These provisional records are based on data received as at 1411 EST on 25/09/2019.

District Site Today Previous monthly record Previous all time record
if equalled or broken
Comments
Reading Reading Date Years Reading Date Years
Highest daily rainfall

WA

W Kimberley

003093

FITZROY CROSSING AERO

2.6

2.2

16/09/2010

23

1 N C

Lowest maximum temperature

NT

Alice Springs

015643

TERRITORY GRAPE FARM

13.0

13.7

16/09/2010

27

1 N C


The day in charts
Surface charts Satellite images Rain & temperatures
4am EST Rainfall -- 24 hours to 9am

Week to 9am | SE AUS detail
10am EST Minimum temperature anomalies

See actual temperatures
4pm EST Maximum temperature anomalies

See actual temperatures
10pm EST Solar Radiation

Summary of observations

For notes on how to interpret the data and quality control issues, see Daily Weather Summary Help.
**S** and **W** precede data flagged by the Bureau as suspicious or wrong
Data is as received at 14:10EST, 25/09/2019.

Major centres
Max
° C
+/- norm
° C
Min
° C
+/- norm
° C
Grass Min
° C
Rain to 9am mm Evaporation to 9am mm Sunshine hours Wind Run to 9am km (24-hour average km/h) Maximum Gust km/h / hour of occurrence
PERTH AIRPORT 29.1 +8.9 14.0 +5.1 10.0 0.0 5.6 11.1 363 (15.1) 46/10
BUNBURY 22.1 +3.6 5.5 -2.9 -- 0.0 -- -- 86 ( 3.6) 43/10
MANDURAH 22.4 +3.4 13.6 +1.9 -- 0.0 -- -- 204 ( 8.5) 26/11
DARWIN AIRPORT 32.2 -0.4 24.8 +1.8 24.5 0.0 7.2 9.3 324 (13.5) 34/15
ALICE SPRINGS AIRPORT 13.6 -13.7 10.6 +0.3 -- 1.6 -- -- -- 35/16
WHYALLA AERO 16.6 -5.0 4.6 -3.4 -- 0.0 -- -- 266 (11.1) 30/16
ADELAIDE (KENT TOWN) 16.7 -2.4 5.6 -4.1 -- 0.2 -- -- 151 ( 6.3) 21/13
MOUNT GAMBIER AERO 15.0 -0.9 4.0 -2.3 -- 0.2 -- -- 383 (16.0) 35/10
MOUNT ISA AERO 32.3 +0.9 20.2 +6.0 -- 0.0 -- -- 506 (21.1) 50/21
CAIRNS AERO 29.4 +1.3 20.6 +1.9 -- 0.0 -- -- 475 (19.8) 44/15
TOWNSVILLE AERO 28.4 +0.6 15.6 -1.8 -- 0.0 -- -- 375 (15.6) 41/14
MACKAY M.O 25.5 +0.1 16.2 -0.5 -- 0.0 -- -- 259 (10.8) 26/10
ROCKHAMPTON AERO 31.1 +3.6 15.3 +1.5 -- 0.0 -- -- 183 ( 7.6) 30/11
BUNDABERG AERO 28.2 +2.6 14.9 +1.2 -- 0.0 -- -- 362 (15.1) 48/15
COOLANGATTA 23.4 0.0 15.9 +2.6 -- 0.0 -- -- 460 (19.2) 44/08
BRISBANE AERO 23.3 -0.9 16.9 +4.1 13.5 0.0 -- 9.6 460 (19.2) 39/10
TOOWOOMBA AIRPORT 23.4 +1.1 9.6 -1.0 -- 0.0 -- -- 488 (20.3) 44/18
PORT MACQUARIE AIRPORT AWS 21.3 -1.3 7.3 -2.0 -- 0.0 -- -- 253 (10.5) 31/15
WILLIAMTOWN RAAF 20.4 -1.0 5.3 -3.8 -- 0.0 -- -- 306 (12.8) 30/15
BATHURST AIRPORT AWS 16.1 -1.0 -1.3 -5.0 -- 0.0 -- -- 396 (16.5) 35/15
ORANGE AIRPORT AWS 12.4 -2.4 -2.3 -5.5 -- 0.0 -- -- 450 (18.8) 35/10
DUBBO AIRPORT AWS 21.3 -0.1 2.6 -3.5 -- 0.0 -- -- 447 (18.6) 30/15
SYDNEY AIRPORT AMO 22.1 +1.4 9.4 -1.2 6.7 0.0 5.0 11.1 468 (19.5) 39/16
RICHMOND RAAF 22.6 -0.3 3.8 -4.2 -- 0.0 -- -- 299 (12.5) 24/12
BELLAMBI AWS 18.1 -2.1 8.2 -4.2 -- 0.0 -- -- 364 (15.2) 30/12
CANBERRA AIRPORT 16.9 -- -2.9 -- -- 0.2 -- -- 327 (13.6) 44/13
WAGGA WAGGA AMO 18.6 +0.9 -1.6 -6.7 -- 0.0 -- -- 333 (13.9) 34/12
ALBURY AIRPORT AWS 16.2 -1.9 1.7 -4.0 -- 0.2 -- -- 203 ( 8.5) 35/12
MILDURA AIRPORT 19.4 -1.2 3.5 -3.8 -- 0.0 6.2 10.0 286 (11.9) 39/16
TATURA INST SUSTAINABLE AG 15.7 -1.8 3.1 -2.3 -- 2.4 -- -- 186 ( 7.8) 31/12
BENDIGO AIRPORT 13.5 -3.5 0.0 -4.5 -- 0.2 -- -- 184 ( 7.7) 26/09
MELBOURNE AIRPORT 14.9 -1.8 4.1 -3.0 1.5 2.6 2.4 2.7 384 (16.0) 35/10
BALLARAT AERODROME 10.4 -3.5 2.1 -2.7 -- 0.8 -- -- 305 (12.7) 31/10
LAUNCESTON (TI TREE BEND) 18.1 +2.4 4.1 -1.1 -- 2.8 -- -- 155 ( 6.5) 39/12
HOBART AIRPORT 16.5 +1.1 8.3 +2.2 4.3 0.0 2.8 6.6 411 (17.1) 46/02
Max
° C
+/- norm
° C
Min
° C
+/- norm
° C
Grass Min
° C
Rain to 9am mm Evaporation to 9am mm Sunshine hours Wind Run to 9am km Maximum Gust km/h / hour of occurrence
Hottest
Highest maximum temperature>Greatest variation above normal maximum Highest minimum temperatureGreatest variation above normal minimum

38.0 BRADSHAW N Rivers NT
38.0 YAMPI SOUND (DEFENCE) W Kimberley WA
37.5 KALUMBURU N Kimberley WA
37.0 BRADSHAW-KOOLENDONG VALLEY (DEFENCE) N Rivers NT
36.9 JULIA CREEK AIRPORT Gulf Country QLD

+11.3 : 28.6 ALBANY Lower West WA
+10.7 : 28.6 ONGERUP Cent Wheatbelt WA
+10.0 : 31.0 DALWALLINU Central West WA
+9.9 : 30.6 GOOMALLING Cent Wheatbelt WA
+9.9 : 30.4 NORTHAM Cent Wheatbelt WA

26.0 BRADSHAW N Rivers NT
26.0 BROWSE ISLAND Islands ISL
25.6 TROUGHTON ISLAND N Kimberley WA
25.4 DARWIN NTC AWS N Rivers NT
25.3 MCCLUER ISLAND N Rivers NT
25.3 WARRUWI AIRPORT N Rivers NT

+7.6 : 24.9 CENTURY MINE Gulf Country QLD
+7.5 : 21.9 JULIA CREEK AIRPORT Gulf Country QLD
+7.1 : 21.4 WINTON AIRPORT Northwest QLD
+7.0 : 14.4 RAVENSTHORPE Cent Wheatbelt WA
+6.9 : 14.5 WONGAN HILLS Central West WA

Coldest
Lowest maximum temperatureGreatest variation below normal maximum Lowest minimum temperatureGreatest variation below normal minimum

0.0 MOUNT BULLER Upper NE VIC
0.0 MOUNT BAW BAW W Gippsland VIC
0.1 MOUNT HOTHAM Upper NE VIC
1.4 THREDBO AWS Snowy Mtns NSW
3.7 PERISHER VALLEY AWS Snowy Mtns NSW
3.7 KUNANYI (MOUNT WELLINGTON PINNACLE) Southeast TAS

-17.3 : 13.0 TERRITORY GRAPE FARM N Plateau NT
-14.5 : 13.1 ARLTUNGA N Plateau NT
-13.9 : 13.9 CURTIN SPRINGS N Plateau NT
-13.7 : 13.6 ALICE SPRINGS AIRPORT N Plateau NT
-12.8 : 13.4 ERNABELLA (PUKATJA) NW Pastoral SA

-4.6 THREDBO AWS Snowy Mtns NSW
-4.6 MOUNT HOTHAM Upper NE VIC
-4.0 MARRANGAROO (DEFENCE) C Tablelands S NSW
-3.8 WOOLBROOK (DANGLEMAH ROAD) NW Slopes S NSW
-3.5 MOUNT GININI AWS Goulburn/Monaro NSW
-3.5 ARMIDALE (TREE GROUP NURSERY) N Tablelands W NSW

-6.7 : -1.6 WAGGA WAGGA AMO SW Slopes S NSW
-6.5 : -3.4 YOUNG AIRPORT SW Slopes N NSW
-6.5 : -0.5 GRENFELL (MANGANESE RD) SW Slopes N NSW
-6.4 : -3.0 COOTAMUNDRA AIRPORT SW Slopes N NSW

Wettest
Sunniest & dullest
Windiest
Highest gusts
Todays highest rainfall totals for the 24 hours to 9am. It includes the top 5 totals nationally followed by all reported falls of 50mm or more.
Highest and lowest recordings of hours of sunshine for the 24 hours to midnight.
Highest wind run totals in kilometres for the 24 hours to 9am (average speed in brackets). All reported runs > =25km/h are shown.
Highest wind gusts in km/h for the 24 hours to midnight followed by the hour in which it occurred. All stations with gusts > 89km/h are shown.
32.0 VAUGHAN SPRINGS N Plateau NT
21.6 MOUNT READ W Coast TAS
21.0 WARMUN E Kimberley WA
18.4 ORMISTON GORGE N Plateau NT
13.8 MOUNT BAW BAW W Gippsland VIC

11.1 PERTH AIRPORT Lower West WA
11.1 SYDNEY AIRPORT AMO Sydney--east NSW
10.9 ADELAIDE AIRPORT Adelaide/Lofty SA
10.5 WELLINGTON (D&J RURAL) CW Slopes S NSW
10.4 INVERELL RESEARCH CENTRE N Tablelands W NSW

.....

6.2 SCOTTSDALE (WEST MINSTONE ROAD) N Coast TAS
5.8 GROVE (RESEARCH STATION) Southeast TAS
4.8 NURIOOTPA PIRSA Adelaide/Lofty SA
2.7 MELBOURNE AIRPORT E Central VIC
1.4 LAKE EILDON N Central VIC

1409 (58.7) MAATSUYKER ISLAND LIGHTHOUSE Southeast TAS
1201 (50.0) HOGAN ISLAND Islands ISL
1010 (42.1) CAPE GRIM BAPS (COMPARISON) N Coast TAS
968 (40.3) KUNANYI (MOUNT WELLINGTON PINNACLE) Southeast TAS
899 (37.5) FLINDERS ISLAND AIRPORT Flinders Is/Bass St TAS
889 (37.0) WILLIS ISLAND Islands ISL
846 (35.3) GABO ISLAND LIGHTHOUSE E Gippsland VIC
818 (34.1) THREDBO AWS Snowy Mtns NSW
813 (33.9) WILSONS PROMONTORY LIGHTHOUSE W Gippsland VIC
812 (33.8) LOW HEAD N Coast TAS
759 (31.6) CAPE BRUNY (CAPE BRUNY) Southeast TAS
739 (30.8) LOW ROCKY POINT W Coast TAS
730 (30.4) HORN ISLAND N Peninsula QLD
730 (30.4) CAPE MORETON LIGHTHOUSE Brisbane/SE Coast QLD
707 (29.5) TENNANT CREEK AIRPORT N Plateau NT
694 (28.9) SCOTTS PEAK DAM W Coast TAS
689 (28.7) MOUNT READ W Coast TAS
671 (28.0) SWAN ISLAND E Coast TAS
664 (27.7) CAPE OTWAY LIGHTHOUSE W Coast VIC
649 (27.0) JULIA CREEK AIRPORT Gulf Country QLD
649 (27.0) CAPE FLATTERY N Coast--Barron QLD
624 (26.0) CAPE GRIM N Coast TAS
624 (26.0) CAPE WESSEL Islands ISL
622 (25.9) GOLD COAST SEAWAY Brisbane/SE Coast QLD
620 (25.8) BEDOUT ISLAND E Pilbara WA
618 (25.8) LOW ISLES LIGHTHOUSE N Coast--Barron QLD
607 (25.3) KING ISLAND AIRPORT King Island TAS
604 (25.2) REDCLIFFE Brisbane/SE Coast QLD
604 (25.2) FRANKSTON AWS E Central VIC
600 (25.0) MCCLUER ISLAND N Rivers NT
98/05 MAATSUYKER ISLAND LIGHTHOUSE Southeast TAS
83/06 KUNANYI (MOUNT WELLINGTON PINNACLE) Southeast TAS
83/19 HOGAN ISLAND Islands ISL
76/05 WILSONS PROMONTORY LIGHTHOUSE W Gippsland VIC
76/03 CAPE GRIM BAPS (COMPARISON) N Coast TAS
76/09 CAPE BRUNY (CAPE BRUNY) Southeast TAS

Downpours High AWS wind reports
High rainfall for periods of 6 hours or less from AWS and synoptic reports. Storm force gusts (>89km/h) and 10-minute mean gales (>62km/h) reported by AWSs. Wind direction and mean windspeed are shown in brackets.
None reported

TASMANIA
N Coast
CAPE GRIM BAPS (COMPARISON) : 76(250/ 69 ) at 03:35
Southeast
MAATSUYKER ISLAND LIGHTHOUSE : 98(310/ 80 ) at 05:35
KUNANYI (MOUNT WELLINGTON PINNACLE) : 83(240/ 65 ) at 06:19
HARTZ MOUNTAIN (KEOGHS PIMPLE) : 91(250/ 69 ) at 02:00
ISLANDS
Islands
HOGAN ISLAND : 83(270/ 63 ) at 19:12