Australian Government Bureau of Meteorology
Tasmania
Frost Warning
for Central North, Midlands, East Coast and Upper Derwent Valley forecast districts
Issued at 10:37 PM EST on Wednesday 01 May 2024
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Please be aware
Temperatures at ground level can be many degrees lower than those
recorded by standard weather stations, especially in calm conditions with clear
skies.
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Frost Warning for the following areas:
Central North, Midlands, East Coast and Upper Derwent Valley forecast districts
Frosts with temperatures down to -2 degrees are forecast for Thursday morning in parts of the Central North, Midlands, East Coast and Upper Derwent Valley forecast districts.
Cancellation for the following areas:
North East,North West Coast
No further warnings will be issued for this event.
Forecast
Boat Harbour (40.946°S, 145.6372°E, 95m AMSL) set as my default location ›
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My MLA
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Current condition
TODAY2° 16° mostly sunny Chance of rain: 30% Likely amount: < 1mm First
lightLast light Sunrise Sunset 6:36am EST 7:05am EST 5:22pm EST 5:51pm EST NOW5.7° Feels Like: 2.4° Relative Humidity: 94% Dew: 4.8° Wind: NW 11km/h Gust: 13km/h Rainfall since 9am: 0.0mm Pressure: 1034.7hPa -
Today Weather
Boat HarbourNow5.5°cFeels Like:1.8°Wind:S 13km/hGusts:15km/hHumidity:95%2°Min16°MaxToday in Boat HarbourMostly sunny. Areas of morning frost. The chance of smoke haze in the E this morning. Winds S 15 to 20 km/h becoming light in the morning. Daytime maximum temperatures between 13 and 16.Tomorrow5°Min16°MaxPartly cloudy. Areas of morning frost in the E. Winds E/SE 15 to 20 km/h tending E/NE in the middle of the day then becoming light in the early afternoon. Overnight temperatures falling to between 1 and 6 with daytime temperatures reaching between 13 and 16. -
Radar
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Popup Radar
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Warnings
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7 day forecast
Today: Mostly sunny. Areas of morning frost. The chance of smoke haze in the E this morning. Winds S 15 to 20 km/h becoming light in the morning. Daytime maximum temperatures between 13 and 16.
Forecast for Boat Harbour (40.946°S, 145.6372°E, 95m AMSL) Thu Fri Sat Sun Mon Tue Wed Summary Minimum 2° 5° 5° 4° 5° 6° 6° Maximum 16° 16° 17° 18° 17° 17° 17° Chance of rain 30% 5% 40% 20% 20% 30% 20% Likely amount < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm < 1mm UV index Low Low Low Low Low Low Low Fire Danger Rating No Rating No Rating No Rating Moderate - - - Frost risk Moderate Slight Slight Slight Slight Nil Nil 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm Wind speed 13
(km/h)13
(km/h)14
(km/h)12
(km/h)15
(km/h)14
(km/h)9
(km/h)11
(km/h)15
(km/h)15
(km/h)15
(km/h)15
(km/h)13
(km/h)13
(km/h)Wind direction SSE ENE SE ENE SE E S NW SE E ESE ENE SSE ENE Relative humidity 79% 64% 76% 62% 75% 59% 79% 58% 80% 70% 84% 70% 83% 69% Dew point 6°C 8°C 8°C 8°C 8°C 8°C 9°C 9°C 10°C 10°C 10°C 10°C 10°C 10°C -
28 Day Rainfall forecast
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12 Month Rainfall Forecast
Boat Harbour Rain Forecast
Boat Harbour 12-month Rainfall ForecastMayJunJulAugSepOctNovDecJanFebMar2024202556555666747105012 - 34 - 78 - 910Well below normalBelow normalNear normalAbove normalWell above normalIssue Notes - Issued May 1
ENSO status: Inactive. IOD status: Neutral, becoming positive. SAM status: Neutral, favouring positive in winter. The El Niño Southern Oscillation (ENSO) is in an inactive phase. 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 at record levels in the western 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. A burst of tropical activity expected in mid-May could make-or-break this event, as tropical activity in certainlocations could either strengthen or hinder the development of a positive IOD. If this tropical activity is favourable for a positive IOD, significant upwelling near Indonesia may occur as soon as late-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 neutral but is expected to favour a positive phase during winter. A positive SAM increases easterly winds, increasing rainfall and thunderstorm activity in the east, while cooling temperatures. A positive SAM reduces cold fronts and rainfall over southern Australia, particularly for southwest WA. Rainfall outlooks are showing slightly 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
Boat Harbour Past 5 Days
This MonthMinimum Maximum Rainfall Saturday
Apr 274.2 °C 16.7 °C 0.0 mmSunday
Apr 284.4 °C 17.4 °C 0.0 mmMonday
Apr 296.7 °C 16.4 °C 0.0 mmTuesday
Apr 300.1 °C 17.5 °C 0.0 mmWednesday
May 011.7 °C 15.1 °C 0.0 mmLegend -
Almanac
Almanac
Boat Harbour minimum temp history (40.946°S, 145.6372°E, 95m AMSL) MAXIMUM TEMPERATURE MINIMUM TEMPERATURE Hottest this month 15.1° 01/05/2024 Coldest this month 1.7° 01/05/2024 Hottest on record 21.0 06/05/1996 Coldest on record -2.7 30/05/2006 Hottest this year 28.3° 17/02/2024 Coldest this year 0.1° 30/04/2024 Long term average 15.2° Long term average 5.3° Average this month 15.1° Average this month 1.7° Hottest May On Record Avg. max. temp. 16.6° 2007 Coldest May on record Avg. min. temp. 2.8° 2006 Boat Harbour rainfall history (40.946°S, 145.6372°E, 95m AMSL) RAINFALL Wettest This Month 0.0mm 01/05/2024 Total This Month 0.0mm
0.0 daysLong Term Average 95.6mm 17.8 days Wettest May on record 313.6mm 1958 Driest on record 18.2mm 1996 -
Year to Date
Boat Harbour Year To Date
Average Rainfall To May 306.7mm 59.9 day(s) Total For 2024 152.8mm 23.0 day(s) Total To This Day 2023 176.4mm 39.0 day(s) Wettest Day 54.2mm Apr 2 Lowest Temperature 0.1°C Apr30 Highest Temperature 28.3°C Feb17 -
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Popup - Monthly historical
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Climatology
Climate History
Boat Harbour Climatology
Boat Harbour Long-Term Averages
Long-Term Averages Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann Mean Max (°C) 21.7 21.8 20.3 17.6 15.2 13.5 12.8 13.3 14.5 16.3 18.1 19.8 17.0 Mean Min (°C) 11.4 11.6 9.8 7.2 5.3 4.2 3.6 4.0 5.0 6.2 8.3 9.7 7.1 Mean Rain (mm) 44.2 46.8 49.8 70.3 95.6 108.4 129.8 115.9 93.8 93.4 73.1 63.1 975.7 Mean Rain Days 8.9 8.6 11.0 13.6 17.8 19.0 21.8 21.3 18.2 16.8 13.5 11.9 182.3