Australian Government Bureau of Meteorology
South Australia
Marine Wind Warning Summary for South Australia
Issued at 04:54 PM CDT on Sunday 22 December 2024
for the period until midnight CDT Monday 23 December 2024
Wind Warnings for Sunday 22 December
Strong Wind Warning for the following areas:
South Central Coast, Spencer Gulf, Gulf St Vincent and Upper South East Coast
Cancellation for the following areas:
Investigator Strait
Wind Warnings for Monday 23 December
Strong Wind Warning for the following areas:
Spencer Gulf
The next marine wind warning summary will be issued by 5:10 am CDT Monday.
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Check the latest Coastal Waters Forecast or Local
Waters Forecast at http://www.bom.gov.au/sa/forecasts/map.shtml for information on wind,
wave and weather conditions for these coastal zones.
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Forecast
Roseworthy (34.5331°S, 138.7471°E, 111m AMSL) set as my default location ›
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My MLA
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Current condition
TOMORROW10° 23° mostly sunny Chance of rain: 5% Likely amount: < 1mm First
lightLast light Sunrise Sunset 5:31am CDT 6:00am CDT 8:29pm CDT 8:58pm CDT NOW19.8° Feels Like: 13.3° Relative Humidity: 52% Dew: 9.7° Wind: SW 33km/h Gust: 50km/h Rainfall since 9am: 0.0mm Pressure: 1011.6hPa -
Today Weather
RoseworthyNow19.9°cFeels Like:12.4°Wind:S 39km/hGusts:52km/hHumidity:53%10°Min23°MaxToday in RoseworthyPartly cloudy. Winds S 20 to 30 km/h. Overnight temperatures falling to between 8 and 11 with daytime temperatures reaching the low to mid 20s.Tomorrow10°Min23°MaxSunny. Winds SE 15 to 20 km/h tending NE/SE early in the morning then becoming light in the late evening. Overnight temperatures falling to around 8 with daytime temperatures reaching around 30. -
Radar
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Popup Radar
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Warnings
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7 day forecast
Today: Partly cloudy. Winds S 20 to 30 km/h. Overnight temperatures falling to between 8 and 11 with daytime temperatures reaching the low to mid 20s.
Forecast for Roseworthy (34.5331°S, 138.7471°E, 111m AMSL) Mon Tue Wed Thu Fri Sat Sun Summary Minimum 10° 8° 16° 22° 14° 13° 12° Maximum 23° 31° 40° 40° 25° 26° 27° Chance of rain 5% 5% 5% 40% 60% 40% 5% Likely amount < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm UV index Extreme Extreme Extreme Extreme Very High Extreme Extreme Fire Danger Rating High High High Catastrophic - - - Frost risk Nil Nil Nil Nil Nil Nil Nil 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm Wind speed 22
(km/h)29
(km/h)16
(km/h)10
(km/h)23
(km/h)19
(km/h)34
(km/h)38
(km/h)27
(km/h)33
(km/h)23
(km/h)31
(km/h)16
(km/h)26
(km/h)Wind direction SSW SW E E NE N N WNW WSW WSW WNW W W WSW Relative humidity 47% 35% 55% 24% 23% 11% 11% 29% 53% 37% 61% 43% 61% 42% Dew point 6°C 7°C 9°C 8°C 6°C 4°C 3°C 14°C 9°C 9°C 12°C 13°C 12°C 13°C -
28 Day Rainfall forecast
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12 Month Rainfall Forecast
Roseworthy Rain Forecast
Roseworthy 12-month Rainfall ForecastDecJanFebMarAprMayJunJulAugSepOctNov20242025987765743666105012 - 34 - 78 - 910Well below normalBelow normalNear normalAbove normalWell above normalIssue Notes - Issued Dec 10
ENSO status: La Niña Watch. IOD status: Neutral. SAM status: Negative. Trending positive. The El Niño Southern Oscillation (ENSO) is in a La Niña Watch. The current technical definition of a La Niña is only a small chance to be met, although ocean and atmospheric conditions do resemble a La Niña pattern. Trade winds are still stronger than average along the western equatorial Pacific, and Relative-Nino Index (factors in equatorial ocean temperatures elsewhere around the world, compensating for the background warming signal) is below the threshold. A La Niña typically leads to cooler temperatures northern Australia during summer, while producing higher temperatures for western/southwestern WA, Vic and western Tas. The Indian Ocean Dipole (IOD) is in a neutral phase. Recent conditions have been like a negative IOD, but it is too late in the year for this climate driver to develop. Once the monsoon establishes over northern Australia, the IOD has no impact on Australia’s weather. The Southern AnnularMode (SAM) is in a brief negative phase, having switched a positive phase in November. Forecasts predict it will become neural in mid-late December and become positive in January and February. A positive SAM decreases the frequency of cold fronts, with more regular high pressure systems and easterly winds. During summer, this increases rainfall over eastern Australia, and reduces rainfall over southeastern SA, western Vic and western Tas. Rainfall outlooks are showing above average rainfall over large parts of the country during summer, with closer to average conditions for the southwest corner of WA, southern SA and Vic, and central parts of Tas.
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Popup - Daily historical
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Long range rainfall forecast
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Past 5 Days
Roseworthy Past 5 Days
This MonthMinimum Maximum Rainfall Wednesday
Dec 189.0 °C 30.4 °C 0.0 mmThursday
Dec 199.7 °C 36.1 °C 0.0 mmFriday
Dec 2014.1 °C 32.5 °C 0.0 mmSaturday
Dec 2110.2 °C 29.4 °C 0.0 mmSunday
Dec 228.4 °C 23.7 °C 0.0 mmLegend -
Almanac
Almanac
Roseworthy minimum temp history (34.5331°S, 138.7471°E, 111m AMSL) MAXIMUM TEMPERATURE MINIMUM TEMPERATURE Hottest this month 42.4° 16/12/2024 Coldest this month 7.2° 08/12/2024 Hottest on record 44.8 30/12/2005 Coldest on record 3.5 12/12/2001 Hottest this year 43.4° 23/01/2024 Coldest this year -2.1° 17/09/2024 Long term average 29.6° Long term average 12.7° Average this month 31.6° Average this month 13.8° Hottest December On Record Avg. max. temp. 33.5° 2015 Coldest December on record Avg. min. temp. 9.6° 2001 Roseworthy rainfall history (34.5331°S, 138.7471°E, 111m AMSL) RAINFALL Wettest This Month 1.6mm 03/12/2024 Total This Month 3.4mm
4.0 daysLong Term Average 24.3mm 6.2 days Wettest December on record 61.0mm 2010 Driest on record 0.0mm 1998 -
Year to Date
Roseworthy Year To Date
Average Rainfall To Dec 382.1mm 109.7 day(s) Total For 2024 192.8mm 81.0 day(s) Total To This Day 2023 319.2mm 110.0 day(s) Wettest Day 15.6mm Jan 7 Lowest Temperature -2.1°C Sep17 Highest Temperature 43.4°C Jan23 -
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Popup - Monthly historical
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Climatology
Climate History
Roseworthy Climatology
Roseworthy Long-Term Averages
Long-Term Averages Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann Mean Max (°C) 31.9 31.0 28.3 24.1 19.8 16.2 15.5 16.6 20.0 23.9 27.3 29.6 23.5 Mean Min (°C) 15.0 14.7 12.9 10.5 8.5 6.6 5.7 5.4 6.2 8.0 10.6 12.7 9.7 Mean Rain (mm) 18.5 17.8 16.2 28.7 39.4 44.5 42.4 43.5 44.5 32.9 29.4 24.3 382.8 Mean Rain Days 4.1 3.2 4.3 7.6 11.1 13.5 15.6 15.4 12.6 8.8 7.3 6.2 110.3