Australian Government Bureau of Meteorology
South Australia
Marine Wind Warning Summary for South Australia
Issued at 10:00 AM CST on Thursday 18 April 2024
for the period until midnight CST Friday 19 April 2024
Wind Warnings for Friday 19 April
Cancellation for the following areas:
Spencer Gulf
The next Marine Wind Warning Summary will be issued when required.
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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
Napperby (33.1543°S, 138.1167°E, 98m AMSL) set as my default location ›
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My MLA
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Current condition
TOMORROW11° 23° clearing shower Chance of rain: 20% Likely amount: < 1mm First
lightLast light Sunrise Sunset 6:18am CST 6:43am CST 5:51pm CST 6:16pm CST NOW16.2° Feels Like: 12.0° Relative Humidity: 62% Dew: 8.9° Wind: S 20km/h Gust: 26km/h Rainfall since 9am: 0.0mm Pressure: 1025.8hPa -
Today Weather
NapperbyNow15.2°cFeels Like:12.4°Wind:SW 13km/hGusts:19km/hHumidity:65%11°Min23°MaxToday in NapperbyPartly cloudy. High chance of showers in the S, medium chance elsewhere. Winds SW 15 to 25 km/h turning S/SE 20 to 30 km/h during the day. Overnight temperatures falling to between 9 and 12 with daytime temperatures reaching between 18 and 21.Tomorrow11°Min23°MaxSunny. Winds SE 15 to 25 km/h becoming light in the evening. Overnight temperatures falling to around 6 with daytime temperatures reaching the low 20s. -
Radar
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Popup Radar
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Warnings
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7 day forecast
Today: Partly cloudy. High chance of showers in the S, medium chance elsewhere. Winds SW 15 to 25 km/h turning S/SE 20 to 30 km/h during the day. Overnight temperatures falling to between 9 and 12 with daytime temperatures reaching between 18 and 21.
Forecast for Napperby (33.1543°S, 138.1167°E, 98m AMSL) Fri Sat Sun Mon Tue Wed Thu Summary Minimum 11° 7° 6° 6° 10° 9° 6° Maximum 23° 24° 25° 27° 26° 20° 20° Chance of rain 20% 5% 5% 20% 20% 30% 5% Likely amount < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm UV index High High High High Moderate Moderate Moderate Fire Danger Rating High Moderate Moderate Moderate - - - 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 17
(km/h)24
(km/h)10
(km/h)17
(km/h)4
(km/h)14
(km/h)6
(km/h)8
(km/h)13
(km/h)27
(km/h)14
(km/h)21
(km/h)7
(km/h)21
(km/h)Wind direction S SSW SE SW E WSW NE WNW N SW SSE SSW SSE SW Relative humidity 73% 45% 62% 41% 52% 35% 45% 27% 48% 50% 59% 44% 61% 53% Dew point 12°C 11°C 6°C 10°C 5°C 9°C 4°C 7°C 8°C 14°C 6°C 8°C 6°C 10°C -
28 Day Rainfall forecast
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12 Month Rainfall Forecast
Napperby Rain Forecast
Napperby 12-month Rainfall ForecastAprMayJunJulAugSepOctNovDecJanFebMar202420254575466109888105012 - 34 - 78 - 910Well below normalBelow normalNear normalAbove normalWell above normalIssue Notes - Issued Apr 16
ENSO status: Inactive. El Niño ended. IOD status: Neutral, becoming positive. SAM status: Positive, favouring positive. The El Niño Southern Oscillation (ENSO) has returned to an inactive phase for the first time since August 2021. Ocean cooling is occurring in the eastern Pacific, with 3 out of 7 global models forecasting a La Niña to develop in 2024. Warmer than normal waters are situated in the Coral Sea, providing moisture and humidity to the east coast. The atmosphere continues to be firmly neutral after weakening early in the year. A neutral ENSO typically has no significant impact on Australian rainfall during winter. The Indian Ocean Dipole (IOD) is in a neutral phase. Ocean temperatures are high across most of the Indian Ocean, and the IOD index is spiking in response. Persistent southeasterly winds have set in over the eastern Indian Ocean, signalling that the atmosphere is starting to respond to the ocean patterns. All international models are suggesting the IOD will strengthen into apositive phase over the next 2-3 months, with significant upwelling to start near Indonesia possibly in May. A positive IOD reduces the number of northwest cloudbands that cross Australia during winter and spring, reducing rainfall across central and southeastern parts of Australia. The Southern Annular Mode (SAM) is positive and will favour a positive phase during autumn and into winter. A positive SAM increases easterly winds, increasing rainfall and thunderstorm activity in the east. A positive SAM also reduces cold fronts and rainfall over southern Australia, particularly for southwest WA. Rainfall outlooks are showing below average rainfall over winter for WA, and the southwest coasts of SA, Vic and Tas. Conversely, above average rainfall is expected for eastern parts of Qld and NSW, and potentially eastern Tas.
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Popup - Daily historical
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Long range rainfall forecast
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Past 5 Days
Napperby Past 5 Days
This MonthMinimum Maximum Rainfall Sunday
Apr 146.2 °C 25.7 °C 0.0 mmMonday
Apr 158.5 °C 25.6 °C 0.0 mmTuesday
Apr 169.7 °C 23.8 °C 0.0 mmWednesday
Apr 179.4 °C 23.5 °C 0.0 mmThursday
Apr 186.3 °C 20.7 °C 0.0 mmLegend -
Almanac
Almanac
Napperby minimum temp history (33.1543°S, 138.1167°E, 98m AMSL) MAXIMUM TEMPERATURE MINIMUM TEMPERATURE Hottest this month 23.1° 01/04/2024 Coldest this month 7.5° 13/04/2024 Hottest on record 40.4 02/04/2005 Coldest on record 2.2 23/04/1999 Hottest this year 44.9° 23/01/2024 Coldest this year 7.5° 13/04/2024 Long term average 24.2° Long term average 11.9° Average this month 21.1° Average this month 12.9° Hottest April On Record Avg. max. temp. 27.0° 2005 Coldest April on record Avg. min. temp. 10.0° 1999 Napperby rainfall history (33.1543°S, 138.1167°E, 98m AMSL) RAINFALL Wettest This Month 0.4mm 09/04/2024 Total This Month 0.4mm
1.0 daysLong Term Average 20.1mm 5.0 days Wettest April on record 91.4mm 2014 Driest on record 0.0mm 2018 -
Year to Date
Napperby Year To Date
Average Rainfall To Apr 78.2mm 15.5 day(s) Total For 2024 33.4mm 7.0 day(s) Total To This Day 2023 54.0mm 17.0 day(s) Wettest Day 16.0mm Jan 7 Lowest Temperature 7.5°C Apr13 Highest Temperature 44.9°C Jan23 -
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Popup - Monthly historical
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Climatology
Climate History
Napperby Climatology
Napperby Long-Term Averages
Long-Term Averages Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann Mean Max (°C) 30.1 29.7 27.4 24.2 20.3 17.2 17.1 18.6 21.6 24.1 26.6 28.3 23.7 Mean Min (°C) 17.8 17.7 15.6 11.9 8.7 6.2 5.3 5.9 8.1 10.9 14.0 16.1 11.5 Mean Rain (mm) 22.5 18.9 16.7 20.1 22.6 28.2 21.3 21.4 25.2 23.0 24.5 23.8 266.1 Mean Rain Days 3.4 3.2 3.9 5.0 8.3 10.7 9.8 9.7 7.2 6.6 5.2 4.8 77.4