Typhoon Usagi as morphed into one of the world's strongest typhoons, breaching the Category 5 level.

Still days away from the expected impact, but China, Hong Kong and Taiwan has sounded all the distress alarms as it braces for the wrath of Typhoon Usagi, dubbed 2013's strongest storm yet.

On Friday, Typhoon Usagi has morphed into one of the world's strongest typhoons, breaching the Category 5 level.

Super Typhoon #Usagi at sunset. Landfall near Hong Kong is on Saturday night (150mph/240kph gusts possible) pic.twitter.com/87SWpCqZcU

— Eric Holthaus (@EricHolthaus) September 20, 2013

On Thursday, China's State Flood Control and Drought Relief Headquarters issued a fourth-level emergency response to aid residents as well as central and local governments to prepare against the impending super typhoon.

Infrared satellite view of super typhoon Usagi (NOAA)

According to the National Meteorological Center, Usagi's center was located 625 kilometres southeast of Taiwan's Cape Eluanbi early on Friday. It is forecast to continue strengthening and move northwestward at a speed of up to 20 km per hour.

Multi-platform satellite wind analysis: #Usagi is at 882.3mb. If official, would be Earth's strongest since 1984. pic.twitter.com/2z9w3Om5n2

— Eric Holthaus (@EricHolthaus) September 20, 2013

Taiwan Strait as well as the east of Taiwan could expect strong gales to sea waters on Friday and Saturday.

Typhoon Usagi is expected to come close to Hong Kong, with peak winds forecast to have weakened to around 100 mph.

#Usagi will be the strongest storm on our planet this year. Winds reached 160 mph today. Heading towards Hong Kong. pic.twitter.com/TgSSaTpYOZ

— Paul Dellegatto (@PaulFox13) September 20, 2013