Monday 29 MAY 2017
 

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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.

Monday 29 May 2017

Sri Lankan floods, landslides kill over 160, displace over 100,000 and affect half a million people

A massive natural disaster is unfolding across Sri Lanka with an exceptionally vicious start to the monsoon season. In heavy rainfall described as the worst since 2003, years of heavy deforestation to grow export crops such as tea and rubber are adding deadly mudslides to flooding to contribute to the country's worst human disaster since the 2004 Boxing Day tsunami which killed 30,196 people and displaced one and a half million.

Torrential rain began falling late last week, with the Sri Lankan Department of Meteorology reporting that Kukuleganga in Sri Lanka’s southwestern Kalutara District was inundated with 553.0mm in 24 hours from Thursday into Friday. In the same period, Ratnapura, the capital city of Sabaragamuwa Province, recorded 488.2mm and Diyatalawa, 60km to the east, 383.7mm. The heaviest rain occurred in the island's mountainous southwestern quarter, and widespread river and local flooding followed rapidly as unstable hillsides collapsed in dozens of large landslides. Some places received a year of normal rain in 24 hours

The human magnitude of the disaster has been swelling continuously and will continue to mount, but as of 28 May Sri Lanka’s Disaster Management Centre (DMC) said 146 people had been found dead and 52 injured, 112 were still missing, 442,299 people had been affected of which 101,638 had been displaced to safe locations, 230 houses were known to be destroyed and 1,701 damaged [Floodlist]. A report from Accuweather at about 12.00EST said that DMC had increased known deaths to 177 with 109 missing and over 5,000 homes at least partially damaged. One town alone, Agalawatte, in SW Sri Lanka 50km SE of the capital, Colombo, has recorded 47 deaths and 62 people are missing. As a comparison, during the flooding in the similarly powerful May 2003 monsoon, 250 people were killed and 10,000 homes destroyed.

Al Jazeera's Minelle Fernandez reported from southern Sri Lanka that "The situation is very dire. The water levels are receding, but very slowly. The sheer scale and number of landslides as well as flooding around the country have stretched authorities," she said, adding that entire villages are still under water. Reuters witnessed some people stranded on the upper floors of their homes and some houses were flooded up to roof level.

Rescue efforts are in progress but are being hampered by blocked roads, a lack of electricity and drinking water, and the forecast of further downpours in excess of 100mm a day. Navy boats and air force helicopters are rescuing marooned people and providing emergency relief with over 2,000 military personnel helping police and civilian agencies. The United Nations and neighbouring countries have been called on for help, with India sending three navy ships with aid and supplies. The first arrived in Colombo on Saturday.

With more lives and property at risk as rain threatens to trigger further flooding and landslides, authorities are issuing warnings for the identification of impending landslips such as this from the National Building Research Organisation: “People living on steep slopes and near dangerous cut–off slopes should be watchful. Always attention should be drawn to pre-landslide signs like slanting of trees or posts, cracks developing on ground and walls, and sudden appearance of muddy water coming out from the ground or from springs."

The southwest monsoon is usually the wettest time of year in Sri Lanka's south, running from mid-May to June or July as the monsoonal trough, or Intertropical Convergence Zone (ICTZ), passes northwards on its way up the Indian Subcontinent. The Wikipedia entry for Sri Lanka describes the overall effect of the southwest and following northeast monsoon on the country, while this article from Al Jazeera narrows it down to Sri Lanka's southwest and describes the problems this can cause, given the island's geography. [Al Jazeera, and here] [Reuters] [Thomson Reuters Foundation] [AFP via SBS] [ABC News] [The Guardian]

Australian weather briefs

  • A cold front that pushed through VIC overnight Saturday into Sunday brought the first good snow of the season to the Alps and NSW Snowy Mountains. Reports, confirmed by webcams, indicated 5 to 15cm of snow fell, with up to 20cm in higher more favoured areas such as Mt Hotham. A second bout of cold air is expected behind another front late Tuesday into Wednesday which is also expected to bring snow to TAS as low as 600m
  • An exceptionally bright Aurora Australis graced Tasmanian skies last night, as well as those in the South Island, New Zealand. The Guardian posted a collection of magnificent photos of the event, starting with a most unusual time-lapse video over the Tamar River just north of Launceston, which transitions from broad daylight to a bright and powerful aurora filling the southern sky with greens and shimmering pillars of yellows, reds and violets.

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 30/05/2017. 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
Highest wind gust (km/h)

NT

Darwin-Daly

014932

TINDAL RAAF

52

52

24/05/2017

11

N Equal to record. Previous record set earlier this month.


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.
Data is as received at 14:02EST, 30/05/2017.

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 21.4 -0.4 7.6 -2.8 4.8 0.0 2.4 8.6 244 (10.2) 43/22
BUNBURY 18.8 -2.4 2.6 -6.7 -- 0.0 -- -- 97 ( 4.0) 22/10
MANDURAH 20.8 -0.5 9.4 -4.2 -- 0.0 -- -- 199 ( 8.3) 26/23
DARWIN AIRPORT 32.6 +0.6 24.1 +2.0 23.2 0.0 6.8 10.4 344 (14.3) 52/11
ALICE SPRINGS AIRPORT 22.3 -0.7 5.5 -2.7 -- 0.0 -- -- 272 (11.3) 31/09
WHYALLA AERO 19.1 -1.3 5.0 -3.7 -- 0.6 -- -- 363 (15.1) 52/22
ADELAIDE (KENT TOWN) 15.2 -3.7 7.9 -2.3 -- 3.8 -- -- 188 ( 7.8) 28/14
MOUNT GAMBIER AERO 14.6 -1.5 4.4 -2.9 -- 6.2 -- -- 361 (15.0) 35/12
MOUNT ISA AERO 21.6 -6.2 17.6 +3.8 -- 0.0 -- -- 447 (18.6) 39/03
CAIRNS AERO 28.4 +0.8 19.1 -0.8 -- 0.0 -- -- 438 (18.3) 48/14
TOWNSVILLE AERO 26.8 -0.8 16.9 -0.7 -- 0.0 -- -- 187 ( 7.8) 30/15
MACKAY M.O 24.9 +0.7 16.5 -0.6 -- 0.0 -- -- 281 (11.7) 22/14
ROCKHAMPTON AERO 27.5 +1.5 15.1 +1.0 -- 0.2 -- -- 124 ( 5.2) 15/13
BUNDABERG AERO 26.8 +2.2 14.1 0.0 -- 0.0 -- -- 146 ( 6.1) 26/13
COOLANGATTA 26.0 +2.9 13.8 -0.3 -- 0.2 -- -- 288 (12.0) 26/10
BRISBANE AERO 26.5 +3.0 12.9 +0.1 9.9 0.0 3.0 10.0 261 (10.9) 35/15
TOOWOOMBA AIRPORT 20.7 +0.9 11.7 +1.9 -- 0.0 -- -- 281 (11.7) 35/14
GUNNEDAH RESOURCE CENTRE 17.0 -3.3 7.7 -1.0 4.0 0.0 1.4 -- -- --
PORT MACQUARIE AIRPORT AWS 20.5 -0.9 7.6 -2.8 -- 0.8 -- -- 190 ( 7.9) 28/10
WILLIAMTOWN RAAF 18.8 -1.5 9.4 -0.6 -- 0.0 -- -- 342 (14.3) 46/09
ORANGE AGRICULTURAL INSTITUTE 8.3 -5.9 2.3 -2.3 1.8 1.1 6.1 -- -- --
DUBBO AIRPORT AWS 14.6 -5.3 2.1 -4.4 -- 0.0 -- -- 371 (15.5) 34/11
SYDNEY AIRPORT AMO 18.2 -1.8 10.8 -0.1 8.2 0.0 5.2 9.4 530 (22.1) 48/10
RICHMOND RAAF 18.5 -2.0 10.2 +2.6 -- 0.6 -- -- 403 (16.8) 41/06
BELLAMBI AWS 16.9 -2.7 11.6 -1.4 -- 0.2 -- -- 439 (18.3) 65/06
CANBERRA AIRPORT 11.7 -- 3.3 -- -- 0.0 -- -- 552 (23.0) 39/09
WAGGA WAGGA AMO 12.1 -5.2 5.0 -0.8 -- 0.0 -- -- 430 (17.9) 34/01
ALBURY AIRPORT AWS 12.4 -5.2 2.8 -2.6 -- 7.4 -- -- 320 (13.3) 31/00
MILDURA AIRPORT 15.9 -3.1 3.3 -4.1 -- 2.0 1.1 5.8 302 (12.6) 21/12
TATURA INST SUSTAINABLE AG 13.0 -4.2 -0.1 -5.8 -- 2.4 -- -- 283 (11.8) 26/14
BENDIGO AIRPORT 12.8 -3.8 -0.4 -5.5 -- 3.0 -- -- 256 (10.7) 28/14
MELBOURNE AIRPORT 14.0 -2.6 4.0 -4.3 1.6 1.0 1.6 6.8 466 (19.4) 44/22
BALLARAT AERODROME 11.2 -2.4 0.4 -5.3 -- 1.4 -- -- 394 (16.4) 35/22
LAUNCESTON (TI TREE BEND) 13.8 -2.0 1.4 -3.6 -- 0.2 -- -- 99 ( 4.1) 24/14
HOBART AIRPORT 12.8 -2.4 2.9 -3.7 -1.0 0.8 0.6 5.7 289 (12.0) 41/13
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

35.0 DOUGLAS RIVER N Rivers NT
34.6 WYNDHAM AERO N Kimberley WA
34.5 JABIRU AIRPORT N Rivers NT
34.4 KALUMBURU N Kimberley WA
34.3 RABBIT FLAT N Plateau NT
34.3 FITZROY CROSSING AERO W Kimberley WA

+5.4 : 34.3 RABBIT FLAT N Plateau NT
+5.2 : 31.4 CARNARVON AIRPORT W Gascoyne WA
+4.9 : 27.2 DOUBLE ISLAND POINT LIGHTHOUSE Brisbane/SE Coast QLD
+4.2 : 27.7 TEWANTIN RSL PARK Brisbane/SE Coast QLD
+4.1 : 30.0 DENHAM W Gascoyne WA

28.0 BROWSE ISLAND Islands ISL
26.8 TROUGHTON ISLAND N Kimberley WA
26.1 COCONUT ISLAND N Peninsula QLD
26.0 MCCLUER ISLAND N Rivers NT
26.0 COCOS ISLAND NTC AWS Islands ISL

+6.8 : 20.2 CAMOOWEAL TOWNSHIP Northwest QLD
+4.9 : 23.0 BRADSHAW N Rivers NT
+4.6 : 19.2 DOONGAN N Kimberley WA
+4.5 : 14.7 GAYNDAH AIRPORT Wide Bay/Burnett QLD
+4.3 : 23.2 WYNDHAM AERO N Kimberley WA

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

-1.8 THREDBO AWS Snowy Mtns NSW
-1.6 MOUNT HOTHAM Upper NE VIC
-1.0 MOUNT GININI AWS Goulburn/Monaro NSW
-0.9 FALLS CREEK Upper NE VIC
-0.4 CABRAMURRA SMHEA AWS SW Slopes S NSW

-9.1 : -0.4 CABRAMURRA SMHEA AWS SW Slopes S NSW
-7.2 : -0.9 FALLS CREEK Upper NE VIC
-7.1 : 23.2 JULIA CREEK AIRPORT Gulf Country QLD
-7.0 : 4.9 HUNTERS HILL Lower NE VIC
-7.0 : 10.6 COOTAMUNDRA AIRPORT SW Slopes N NSW

-5.4 THREDBO AWS Snowy Mtns NSW
-5.1 FALLS CREEK Upper NE VIC
-4.7 MOUNT HOTHAM Upper NE VIC
-4.4 MOUNT GININI AWS Goulburn/Monaro NSW
-3.8 MOUNT BULLER Upper NE VIC

-7.9 : 2.0 PROSPECT RESERVOIR Sydney--west NSW
-7.2 : 0.4 HYDEN Cent Wheatbelt WA
-7.2 : -0.1 NORSEMAN AERO Goldfields WA
-7.0 : 1.4 CUNDERDIN AIRFIELD Cent Wheatbelt WA
-6.8 : -0.8 MANGALORE AIRPORT N Central VIC

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.
31.2 CORNER INLET (YANAKIE) W Gippsland VIC
29.4 WONTHAGGI E Central VIC
23.0 MOUNT BULLER Upper NE VIC
22.8 WILSONS PROMONTORY LIGHTHOUSE W Gippsland VIC
22.6 MOUNT READ W Coast TAS

Reports not yet available

1140 (47.5) HOGAN ISLAND Islands ISL
1046 (43.6) KUNANYI (MOUNT WELLINGTON PINNACLE) Southeast TAS
982 (40.9) CAPE GRIM BAPS (COMPARISON) N Coast TAS
922 (38.4) CAPE WESSEL Islands ISL
910 (37.9) THREDBO AWS Snowy Mtns NSW
882 (36.8) MAATSUYKER ISLAND LIGHTHOUSE Southeast TAS
850 (35.4) COCOS ISLAND AIRPORT Islands ISL
837 (34.9) MCCLUER ISLAND N Rivers NT
790 (32.9) NEPTUNE ISLAND W Agricultural SA
783 (32.6) WILSONS PROMONTORY LIGHTHOUSE W Gippsland VIC
753 (31.4) FLINDERS ISLAND AIRPORT Flinders Is/Bass St TAS
750 (31.3) FRANKSTON AWS E Central VIC
749 (31.2) MOUNT READ W Coast TAS
746 (31.1) GOULBURN AIRPORT AWS Goulburn/Monaro NSW
741 (30.9) LOW ISLES LIGHTHOUSE N Coast--Barron QLD
736 (30.7) CAPE GRIM N Coast TAS
728 (30.3) CABRAMURRA SMHEA AWS SW Slopes S NSW
721 (30.0) HARTZ MOUNTAIN (KEOGHS PIMPLE) Southeast TAS
721 (30.0) WILLIS ISLAND Islands ISL
704 (29.3) CAPE SORELL W Coast TAS
694 (28.9) CAPE FLATTERY N Coast--Barron QLD
694 (28.9) MOUNT BOYCE AWS C Tablelands S NSW
685 (28.5) GRAMPIANS (MOUNT WILLIAM) Wimmera S VIC
664 (27.7) CAPE OTWAY LIGHTHOUSE W Coast VIC
650 (27.1) COLAC (MOUNT GELLIBRAND) W Coast VIC
638 (26.6) LEGENDRE ISLAND E Pilbara WA
636 (26.5) CAPE BRUNY (CAPE BRUNY) Southeast TAS
630 (26.3) GABO ISLAND LIGHTHOUSE E Gippsland VIC
626 (26.1) FALLS CREEK Upper NE VIC
624 (26.0) NORTH ISLAND Central West WA
619 (25.8) BEDOUT ISLAND E Pilbara WA
615 (25.6) NERRIGA AWS South Coast NSW
609 (25.4) MOSS VALE AWS Illawarra NSW
608 (25.3) LOW ROCKY POINT W Coast TAS
83/02 WILSONS PROMONTORY LIGHTHOUSE W Gippsland VIC
81/03 KUNANYI (MOUNT WELLINGTON PINNACLE) Southeast TAS
80/13 MAATSUYKER ISLAND LIGHTHOUSE Southeast TAS
80/06 HOGAN ISLAND Islands ISL
74/03 CAPE GRIM BAPS (COMPARISON) N 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.
SOUTH AUSTRALIA
Adelaide/Lofty
MOUNT LOFTY
10.8mm in 30 min to 09:30 21.6mm/h
10.8mm in 1 hr to 09:30 10.8mm/h

VICTORIA
W Gippsland
WILSONS PROMONTORY LIGHTHOUSE : 83(250/ 70 ) at 03:00
TASMANIA
Southeast
MAATSUYKER ISLAND LIGHTHOUSE : 80(320/ 63 ) at 14:00
KUNANYI (MOUNT WELLINGTON PINNACLE) : 78(250/ 63 ) at 02:30
ISLANDS
Islands
HOGAN ISLAND : 80(260/ 72 ) at 06:11