Sunday 30 APR 2017
 

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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
Noteworthy weather today
significant newsworthy major

The graphics and statistical information on this page fill gradually as they become available, with some not available until the next day. The page is updated every 30 minutes at about 20 and 50 minutes past the hour.

For weather news as it breaks that is tagged and organised, use the links on the Weather and Climate Media Reports page.
Sunday 30 April 2017

 Cold nights in the east and north

Calm, clear and dry nights followed the major change earlier in the week, and the unusually cold airmass for April was in no hurry to move on. These provided perfect conditions for widespread cold to very cold nights. Morning minima stayed from 4 to more than 8° below average in NSW, VIC and TAS and only began to warm in VIC and TAS yesterday.

On Friday 28 April, Sydney Observatory Hill's minimum was 10.2°, its lowest for April in 5 years, while Canberra's -1.8 was its coldest since 2013. In country NSW, it got down to -3.7° at Goulburn and -5.8 at Perisher Valley in the Snowy Mountains, the lowest in the nation.

On the same morning, though, the cold minima began to push north well into QLD. Hughenden, halfway between Mackay and Mt Isa and well into the tropics, had a low of 6.9°, 11.0 below normal and 1.2 below the previous record for April, while Blackall and Injune were both more than 10 below. Toowoomba's low of 4.2° was its coldest for April since 1999. Two surprising new low April minimum records were set in widely separated parts of coastal QLD. Seventeen Seventy, 70km SE of Gladstone, knocked 2.0° off its previous record in a 29-year history when the temperature dropped to 11.0°, while Middle Percy Island, 130km SE of Mackay, set a new record with 15.4°.

By yesterday morning, 29 April, the huge area of cold, dry air had pushed across all of QLD and the NT, even covering most of WA with below-normal overnight lows. In QLD, April low temperatures were broken at stations from the Central Coast and Highlands to the Gulf Country, including Burketown, Charters Towers and Mackay. The 11.2° at Mackay Met Office was the lowest in a 58-year history at 11.2° while 2.4 at Springsure was that town's lowest in 51 years of record-keeping. In the Northern Territory, Territory Grape, 140km NNW of Alice Springs, with a more modest 24-year history, had its coldest April morning on record at 4.9 while Troughton Island, a speck off the coast of the WA Kimberley 190km NW of Wyndham, equalled its record low April temperature of 22.3 in a 38-year history.

By this morning, the record-breaking cold air had retreated to the far north with new records at Cooktown and around the Gulf coast. Most noteworthy was Mt Isa, where a new record of 5.8 was set in the round half-century since that weather station opened. That is 12.6 below the normal minimum for the year.

Australian weather briefs

  • Another cold change is currently tickling the underbelly of southern Australia, but this is much less aggressive than the last one. It moved through far southern WA today, bringing temperatures 5 to 10° lower than yesterday, and is expected to have the same effect in southern SA and NSW as well as all VIC and TAS. Not much rain with it, except on the perennially wet Tassie West Coast.
  • The BoM believes SA will have a more normal winter this year than 2016, when successive storms pummeled the coast and brought disruption, damage and a whole-state power failure. This article from ABC News says why, and describes the preparations being made along the coast in case of similar weather in the future.
  • Two cyclones NW of Australia are not expected to affect the continent. Tropical Cyclone Francis ran out of steam rapidly overnight, and went from Category 2 at 20.00WST yesterday to a tropical low at 08.00 this morning. Its remains are about 500km N of Broome heading west into the Indian Ocean. TC Greg developed rapidly into a Category 1 cyclone today and is expected to increase to Category 2 briefly tomorrow before passing close to the north of Cocos Island tomorrow evening as it heads due west. A small cyclone, its spread of gales is not great but Cocos Island is under a cyclone watch.

Newsbits

 Climate outlook for Australia mostly dry and warm: The BoM has issued its seasonal outlook for May to July. It gives highest probability to a drier than average three months for most of the country except the tropical north and TAS, while daytime temperatures are likely to be above average, particularly in the southeast, but cooler than average in parts of the NT. Cooler than average sea surface temperatures (SSTs) in the central Indian Ocean are expected to inhibit the development of northwest rainbands, while warmer than average SSTs in the central tropical Pacific Ocean are still raising the possibility of El Niño development.

The full outlook is here, and there's a good video summarising the whole lot in one quick package.


Records set or equalled today

These records are based on data that has been checked for gross errors but has not yet been fully validated. They are based on data received as at 1402 EST on 01/05/2017. Help in interpreting these statistics and information on quality control is here.

District Site Today Previous monthly record Previous all time record
if equalled or broken
Comments
Reading Reading Date Years Reading Date Years
Lowest minimum temperature

NT

Roper-McArthur

014723

BORROLOOLA AIRPORT

9.0

9.0

30/04/1999

19

1 N Equal to record.

QLD

Gulf Country

029127

MOUNT ISA AERO

5.8

6.2

30/04/2004

47

1 N

QLD

Gulf Country

029167

CENTURY MINE

11.4

12.1

27/04/2008

11

1 N

QLD

N Coast--Barron

031209

COOKTOWN AIRPORT

15.4

15.8

29/04/2008

13

1 N


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 14:02EST, 01/05/2017.

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 25.2 -0.3 6.2 -6.8 4.3 0.0 4.2 9.3 219 ( 9.1) 37/13
BUNBURY 22.4 -1.7 8.4 -3.2 -- 0.0 -- -- 85 ( 3.5) 39/13
MANDURAH 22.7 -1.2 13.1 -2.5 -- 0.0 -- -- 162 ( 6.8) 34/18
DARWIN AIRPORT 32.1 -0.6 21.6 -2.4 20.6 0.0 6.6 10.6 285 (11.9) 22/08
ALICE SPRINGS AIRPORT 23.2 -5.0 10.6 -2.0 -- 0.0 -- -- 243 (10.1) 30/11
WHYALLA AERO 20.3 -3.5 8.3 -3.4 -- 0.0 -- -- 203 ( 8.5) 31/12
ADELAIDE (KENT TOWN) 19.7 -3.0 14.6 +2.2 -- 0.0 -- -- 48 ( 2.0) 26/11
MOUNT GAMBIER AERO 18.0 -1.5 11.5 +2.8 -- 0.2 -- -- 255 (10.6) 31/13
MOUNT ISA AERO 31.0 -0.8 5.8 -12.6 -- 0.0 -- -- 277 (11.5) 35/10
CAIRNS AERO 29.1 -0.1 15.3 -6.3 -- 0.0 -- -- 397 (16.5) 34/11
TOWNSVILLE AERO 29.3 -0.3 14.0 -6.6 -- 0.0 -- -- 219 ( 9.1) 48/13
MACKAY M.O 25.4 -1.3 17.7 -2.4 -- 16.4 -- -- 338 (14.1) 39/09
ROCKHAMPTON AERO 27.6 -1.2 16.6 -1.3 -- 0.0 -- -- 226 ( 9.4) 31/11
BUNDABERG AERO 25.6 -1.8 14.7 -2.8 -- 0.0 -- -- 338 (14.1) 34/11
COOLANGATTA 24.7 -0.7 14.4 -2.6 -- 0.0 -- -- 298 (12.4) 34/13
BRISBANE AERO 24.8 -1.2 13.9 -2.4 11.8 0.0 4.8 9.9 309 (12.9) 35/13
TOOWOOMBA AIRPORT 20.5 -2.8 9.9 -3.5 -- 0.0 -- -- 316 (13.2) 31/10
GUNNEDAH RESOURCE CENTRE 23.8 -1.4 7.5 -5.3 3.3 0.0 3.4 -- -- --
PORT MACQUARIE AIRPORT AWS 23.5 -0.6 9.8 -4.0 -- 0.0 -- -- 220 ( 9.2) 30/14
WILLIAMTOWN RAAF 22.3 -1.3 11.0 -2.2 -- 1.4 -- -- 293 (12.2) 31/13
ORANGE AGRICULTURAL INSTITUTE -- -- -- -- -- -- -- -- -- --
DUBBO AIRPORT AWS 23.2 -1.3 5.4 -4.8 -- 0.0 -- -- 320 (13.3) 39/11
SYDNEY AIRPORT AMO 20.8 -2.1 14.1 -0.1 -- 0.0 3.0 7.8 306 (12.8) 37/04
RICHMOND RAAF 23.3 -0.5 7.9 -3.5 -- 0.0 -- -- 93 ( 3.9) 22/16
BELLAMBI AWS 20.6 -1.5 14.7 -0.8 -- 0.0 -- -- 294 (12.3) 26/06
CANBERRA AIRPORT 18.9 -- 3.1 -- -- 0.0 -- -- 151 ( 6.3) 18/12
WAGGA WAGGA AMO 19.8 -2.7 7.0 -2.1 -- 0.0 -- -- 236 ( 9.8) 28/12
ALBURY AIRPORT AWS 19.9 -2.4 6.8 -1.4 -- 0.0 -- -- 119 ( 5.0) 17/11
MILDURA AIRPORT 18.1 -5.5 14.5 +4.4 -- 0.0 -- 6.0 127 ( 5.3) 15/04
TATURA INST SUSTAINABLE AG 16.9 -4.7 5.0 -3.2 -- 0.0 -- -- 225 ( 9.4) 21/12
BENDIGO AIRPORT 14.8 -6.4 7.4 -0.2 -- 0.0 -- -- 144 ( 6.0) 15/14
MELBOURNE AIRPORT 16.1 -4.2 12.3 +2.2 11.5 0.2 1.0 0.9 279 (11.6) 39/20
BALLARAT AERODROME 14.1 -3.5 8.0 +0.6 -- 0.0 -- -- 240 (10.0) 30/14
LAUNCESTON (TI TREE BEND) 15.8 -3.1 6.2 -1.4 -- 0.0 -- -- 65 ( 2.7) 31/14
HOBART AIRPORT 19.9 +1.8 6.9 -1.9 4.8 0.0 2.4 9.7 389 (16.2) 35/21
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

34.0 MANDORA E Pilbara WA
34.0 BIDYADANGA W Kimberley WA
33.9 EMU CREEK STATION W Gascoyne WA
33.6 CENTURY MINE Gulf Country QLD
33.6 MARDIE W Pilbara WA

+6.0 : 14.2 KUNANYI (MOUNT WELLINGTON PINNACLE) Southeast TAS
+3.9 : 13.6 MOUNT BAW BAW W Gippsland VIC
+3.6 : 13.0 THREDBO AWS Snowy Mtns NSW
+3.6 : 16.7 BUTLERS GORGE Central Plateau TAS

27.0 TROUGHTON ISLAND N Kimberley WA
27.0 CYGNET BAY W Kimberley WA
26.0 ROWLEY SHOALS Islands ISL
25.9 COCONUT ISLAND N Peninsula QLD
25.8 HORN ISLAND N Peninsula QLD
25.8 CAPE WESSEL Islands ISL

+6.3 : 14.7 LOXTON RESEARCH CENTRE Murray Valley SA
+5.6 : 18.5 NAROOMA (MARINE RESCUE) South Coast NSW
+5.4 : 12.4 HORSHAM AERODROME Wimmera S VIC
+5.2 : 13.2 KEITH (MUNKORA) Mallee/Upper SE SA
+5.1 : 14.0 WARRACKNABEAL MUSEUM Wimmera N VIC

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

7.5 MOUNT READ W Coast TAS
8.0 GRAMPIANS (MOUNT WILLIAM) Wimmera S VIC
8.0 FALLS CREEK Upper NE VIC
10.9 MOUNT GININI AWS Goulburn/Monaro NSW
11.3 MOUNT HOTHAM Upper NE VIC

-9.0 : 21.0 YULARA AIRPORT N Plateau NT
-8.7 : 20.5 CURTIN SPRINGS N Plateau NT
-8.5 : 20.4 MARREE AERO NE Pastoral SA
-7.0 : 26.8 RABBIT FLAT N Plateau NT
-6.8 : 17.8 YUNTA AIRSTRIP Northeast SA

-4.6 PERISHER VALLEY AWS Snowy Mtns NSW
-2.3 LIAWENEE Central Plateau TAS
-1.4 BUTLERS GORGE Central Plateau TAS
-1.3 LAKE ST CLAIR NATIONAL PARK Central Plateau TAS
0.0 THREDBO VILLAGE Snowy Mtns NSW

-12.6 : 5.8 MOUNT ISA AERO Gulf Country QLD
-11.2 : 9.0 BORROLOOLA AIRPORT N Rivers NT
-10.5 : 7.5 CAMOOWEAL TOWNSHIP Northwest QLD
-10.3 : 10.2 MCARTHUR RIVER MINE AIRPORT N Rivers NT
-9.6 : 7.5 THE MONUMENT AIRPORT Northwest QLD

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.
16.4 MACKAY M.O Central Coast E QLD
13.4 YANKALILLA Adelaide/Lofty SA
11.0 MACKAY ALERT Central Coast E QLD
5.8 PARAWA (SHARON) Adelaide/Lofty SA
5.6 CHRISTMAS ISLAND AERO Islands ISL

Reports not yet available

867 (36.1) TROUGHTON ISLAND N Kimberley WA
839 (35.0) GABO ISLAND LIGHTHOUSE E Gippsland VIC
746 (31.1) HOGAN ISLAND Islands ISL
685 (28.5) GREEN CAPE AWS South Coast NSW
679 (28.3) HERON ISLAND RES STN Wide Bay/Burnett QLD
675 (28.1) LADY ELLIOT ISLAND Wide Bay/Burnett QLD
673 (28.0) MIDDLE PERCY ISLAND Islands ISL
670 (27.9) WILSONS PROMONTORY LIGHTHOUSE W Gippsland VIC
660 (27.5) WILLIS ISLAND Islands ISL
647 (27.0) CAPE MORETON LIGHTHOUSE Brisbane/SE Coast QLD
644 (26.8) HAMILTON ISLAND AIRPORT Central Coast E QLD
644 (26.8) CAPE WESSEL Islands ISL
634 (26.4) MCCLUER ISLAND N Rivers NT
631 (26.3) CAPE GRIM BAPS (COMPARISON) N Coast TAS
627 (26.1) LOW ISLES LIGHTHOUSE N Coast--Barron QLD
603 (25.1) CAPE FLATTERY N Coast--Barron QLD
600 (25.0) MAATSUYKER ISLAND LIGHTHOUSE Southeast TAS
81/18 LOW ROCKY POINT W Coast TAS
80/19 MAATSUYKER ISLAND LIGHTHOUSE Southeast TAS
68/23 HARTZ MOUNTAIN (KEOGHS PIMPLE) Southeast TAS
68/20 SCOTTS PEAK DAM W Coast TAS
63/08 HAMILTON ISLAND AIRPORT Central Coast E QLD
63/23 CAPE SORELL W Coast TAS

Downpours High AWS wind reports
High rainfall for periods of 6 hours or less from AWS and synoptic reports.
IMPORTANT NOTE: Due to a programming error, downpours shown for WA, NT, SA, QLD and ISLANDS between 9 and 10am local times are wrong and should be ignored. The error will be corrected as soon as possible.
Storm force gusts (>89km/h) and 10-minute mean gales (>62km/h) reported by AWSs. Wind direction and mean windspeed are shown in brackets.
ISLANDS
Islands
CHRISTMAS ISLAND AERO
9.8mm in 23 min to 16:00 25.6mm/h
12.4mm in 1 hr to 16:00 12.4mm/h
12.2mm in 1 hr to 16:30 12.2mm/h

TASMANIA
W Coast
LOW ROCKY POINT : 82(330/ 72 ) at 18:30