Australian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
Severe Thunderstorm Warning
for Damaging Winds And Large Hailstones
for parts of Mid North Coast, Hunter and North West Slopes and Plains Forecast Districts.
Issued at 5:10 pm Wednesday, 17 September 2025.
Damaging winds and large hail possible with thunderstorms this afternoon.
Weather Situation
Thunderstorms are developing ahead of a trough over northeast NSW this afternoon.
DAMAGING WINDS and LARGE HAILSTONES for the following areas:
Mid North Coast, Hunter and North West Slopes and Plains
Severe thunderstorms are likely to produce damaging winds and large hailstones in the warning area over the next several hours. Locations which may be affected include Nowendoc, Gloucester, Murrurundi and Barrington Tops.
The State Emergency Service advises that people should:
* Move your car under cover or away from trees.
* Secure or put away loose items around your house, yard and balcony.
* Keep at least 8 metres away from fallen power lines or objects that may be energised, such as fences.
* Report fallen power lines to either Ausgrid (131 388), Endeavour Energy (131 003), Essential Energy (132 080) or Evoenergy (131 093) as shown on your power bill.
* Trees that have been damaged by fire are likely to be more unstable and more likely to fall.
* Unplug computers and appliances.
* Avoid using the phone during the storm.
* Stay indoors away from windows, and keep children and pets indoors as well.
* Stay vigilant and monitor conditions. Note that the landscape may have changed following bushfires.
* For emergency help in floods and storms, ring the SES (NSW and ACT) on 132 500.
The next warning is due to be issued by 8:10 pm.
Warnings are also available through TV and Radio broadcasts, the Bureau's website at www.bom.gov.au or call 1300 659 210. The Bureau and State Emergency Service would appreciate warnings being broadcast regularly.
Forecast
Long Flat (31.4371°S, 152.4888°E, 59m AMSL) set as my default location ›
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7 day forecast
Today: Partly cloudy. Slight chance of a shower in the S, near zero chance elsewhere. The chance of a thunderstorm. Winds NW/SW 15 to 20 km/h becoming light in the evening.
Forecast for Long Flat (31.4371°S, 152.4888°E, 59m AMSL) Wed Thu Fri Sat Sun Mon Tue Summary Minimum 14° 10° 10° 14° 7° 7° 9° Maximum 25° 21° 25° 21° 19° 21° 15° Chance of rain 40% 10% 90% 30% 10% 40% 80% Likely amount < 1mm < 1mm 1-5mm < 1mm < 1mm < 1mm 5-10mm UV index Very High High Very High High High High High Fire Danger Rating Moderate Moderate 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 11
(km/h)12
(km/h)4
(km/h)12
(km/h)3
(km/h)5
(km/h)12
(km/h)13
(km/h)4
(km/h)8
(km/h)4
(km/h)7
(km/h)8
(km/h)12
(km/h)Wind direction NW WNW ESE E NW NE WNW W WSW SSE WNW SW SW SSW Relative humidity 53% 46% 67% 55% 51% 35% 72% 44% 48% 40% 47% 37% 60% 59% Dew point 12°C 12°C 11°C 11°C 9°C 8°C 14°C 9°C 4°C 5°C 5°C 5°C 7°C 6°C -
Sunrise and sunset times
Sunrise / Sunset for Long Flat (31.4371°S, 152.4888°E, 59m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase New moon First quarter Full moon Last quarter 5:24am EST 5:48am EST 5:44pm EST 6:08pm EST 2:59am EST 1:09pm EST Waning crescent
New moon Sep 22 First quarter Sep 30 Full moon Oct 07 Last quarter Oct 14 -
Warnings
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Temperature for next 7 days
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Rain for next 7 days