North West rainfall: Gunnedah airport has 130mm this month so far

This is almost 80 times more than the figure of February 2019 - at just 1.6mm. It also means this is the wettest February since 2012, which had 177mm.

Residents across the region were awoken by the sound of crashing thunder and pelting rain when the huge storm hit.

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At about 2am Gunnedah was hammered with heavy rain and strong winds, with Tamworth Regional Weather recording wind gusts of up to 87km/h at the airport.

Curlewis had 90km/h winds, Breeza 73km/h, and Carroll had 74km/h.

The Gunnedah airport also saw 30mm fall overnight, with Boggabri receiving 18mm.

The Bureau of Metereology (BOM) recorded 18mm at Mullaley, 14mm at Tambar Springs, and the NVI's Vanessa Hohnke had 12mm at Werris Creek.

The rain impacted the roads, too, with the Gap Road remaining closed until crews assessed its safety.

There was also water over the road on the Kamilaroi Highway at Curlewis on Wednesday morning. Drivers took it slow when passing through the water, ensuring it was safe.

The storm caused power outages in town, and 46 Essential Energy customers were without power on Wednesday morning.

This impacted businesses on Conadilly Street and Marquis Street.

According to Water NSW, Keepit Dam also reached 7.6 per cent, and Split Rock Dam has hit 3.4 per cent.