Australian Government Bureau of Meteorology
New South Wales
Fire Weather Warning
for Greater Hunter, Greater Sydney Region, Northern Slopes and North Western fire weather districts
Issued at 03:57 PM EDT on Sunday 22 December 2024
Weather Situation
Fresh and gusty northwest to southwest winds combined with hot and dry conditions are resulting in elevated fire dangers on Monday.
For Monday 23 December:
Extreme Fire Danger for the following areas:
Greater Hunter, Greater Sydney Region, Northern Slopes and North Western
The NSW Rural Fire Service advises you to:
Action your Bushfire Survival Plan now.
Monitor the fire and weather situation through your local radio station, www.rfs.nsw.gov.au and www.bom.gov.au.
Call 000 (Triple Zero) in an emergency.
For information on preparing for bushfires go to www.rfs.nsw.gov.au.
The next warning will be issued by 5:00 am EDT Monday.
Forecast
Nullo Mountain (32.7542°S, 150.2229°E, 1045m AMSL) set as my default location ›
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My MLA
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Current condition
TOMORROW14° 21° mostly sunny Chance of rain: 5% Likely amount: < 1mm First
lightLast light Sunrise Sunset 5:20am EDT 5:49am EDT 8:08pm EDT 8:36pm EDT NOW22.7° Feels Like: 19.4° Relative Humidity: 24% Dew: 1.1° Wind: W 7km/h Gust: 9km/h Rainfall since 9am: 0.0mm Pressure: -
Today Weather
Nullo MountainNow21.5°cFeels Like:20.1°Wind:W 2km/hGusts:2km/hHumidity:35%14°Min21°MaxToday in Nullo MountainSunny. Winds W/NW 15 to 20 km/h tending W/SW 25 to 40 km/h during the morning and early afternoon. Overnight temperatures falling to between 11 and 16 with daytime temperatures reaching 20 to 28.Tomorrow14°Min21°MaxSunny. Winds SW 15 to 25 km/h shifting E/SE 15 to 20 km/h during the afternoon and evening. Overnight temperatures falling to between 5 and 11 with daytime temperatures reaching 23 to 29. -
Radar
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Popup Radar
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Warnings
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7 day forecast
Today: Sunny. Winds W/NW 15 to 20 km/h tending W/SW 25 to 40 km/h during the morning and early afternoon. Overnight temperatures falling to between 11 and 16 with daytime temperatures reaching 20 to 28.
Forecast for Nullo Mountain (32.7542°S, 150.2229°E, 1045m AMSL) Mon Tue Wed Thu Fri Sat Sun Summary Minimum 14° 8° 8° 11° 18° 15° 13° Maximum 21° 23° 26° 29° 29° 26° 27° Chance of rain 5% 5% 5% 5% 90% 30% 20% Likely amount < 1mm < 1mm < 1mm < 1mm 5-10mm < 1mm < 1mm UV index Extreme Extreme Extreme Extreme Extreme Extreme Extreme Fire Danger Rating High Moderate Moderate High - - - 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 20
(km/h)22
(km/h)12
(km/h)7
(km/h)6
(km/h)5
(km/h)9
(km/h)11
(km/h)21
(km/h)23
(km/h)7
(km/h)13
(km/h)6
(km/h)8
(km/h)Wind direction W WSW SW SSW E SW NE N N NNW WSW W SSE WNW Relative humidity 41% 29% 46% 35% 69% 40% 58% 38% 51% 44% 66% 34% 56% 37% Dew point 5°C 1°C 1°C 5°C 10°C 10°C 10°C 11°C 11°C 14°C 12°C 8°C 10°C 10°C -
28 Day Rainfall forecast
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12 Month Rainfall Forecast
Nullo Mountain Rain Forecast
Nullo Mountain 12-month Rainfall ForecastDecJanFebMarAprMayJunJulAugSepOctNov20242025878787754524105012 - 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
Nullo Mountain Past 5 Days
This MonthMinimum Maximum Rainfall Wednesday
Dec 1812.0 °C 14.0 °C 0.2 mmThursday
Dec 199.2 °C - 0.2 mmFriday
Dec 20- 24.5 °C -Saturday
Dec 2112.9 °C 27.3 °C 0.0 mmSunday
Dec 2212.2 °C 27.8 °C 0.0 mmLegend -
Almanac
Almanac
Nullo Mountain minimum temp history (32.7542°S, 150.2229°E, 1045m AMSL) MAXIMUM TEMPERATURE MINIMUM TEMPERATURE Hottest this month 29.8° 15/12/2024 Coldest this month 9.2° 19/12/2024 Hottest on record 32.7 31/12/2005 Coldest on record -0.6 16/12/1996 Hottest this year 31.0° 04/02/2024 Coldest this year -3.1° 29/07/2024 Long term average 22.7° Long term average 12.0° Average this month 25.1° Average this month 14.5° Hottest December On Record Avg. max. temp. 26.6° 1990 Coldest December on record Avg. min. temp. 9.1° 2011 Nullo Mountain rainfall history (32.7542°S, 150.2229°E, 1045m AMSL) RAINFALL Wettest This Month 28.6mm 07/12/2024 Total This Month 63.4mm
8.0 daysLong Term Average 89.4mm 11.2 days Wettest December on record 234.6mm 2010 Driest on record 4.0mm 2019 -
Year to Date
Nullo Mountain Year To Date
Average Rainfall To Dec 957.5mm 149.2 day(s) Total For 2024 1042.0mm 173.0 day(s) Total To This Day 2023 717.0mm 143.0 day(s) Wettest Day 84.8mm Apr 6 Lowest Temperature -3.1°C Jul29 Highest Temperature 31.0°C Feb 4 -
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Popup - Monthly historical
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Climatology
Climate History
Nullo Mountain Climatology
Nullo Mountain Long-Term Averages
Long-Term Averages Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann Mean Max (°C) 24.4 22.9 20.3 16.8 12.8 9.7 9.2 11.0 14.3 17.5 20.0 22.7 16.7 Mean Min (°C) 13.7 13.2 11.5 8.5 5.7 3.5 2.5 3.1 5.5 7.9 9.9 12.0 8.0 Mean Rain (mm) 100.4 99.3 108.5 64.3 52.0 76.1 68.1 58.0 69.5 74.0 97.9 89.4 952.2 Mean Rain Days 11.6 12.7 13.7 12.4 12.6 16.4 15.3 11.5 10.2 9.7 11.9 11.2 148.0