ALERT STATUS UPDATE – TY KALMAEGI (T1415/15W) – #04

The alert status is YELLOW… There is an elevated risk that Hong Kong will be affected by a tropical cyclone in the next 48 hours…

VIS 2014-09-15 1401Z (from NOAA)

VIS 2014-09-15 1401Z (from NOAA)

Radar 2014-09-15 0524Z (from HKO)

Radar 2014-09-15 0524Z (from HKO)

Typhoon KALMAEGI is re-intensifying over the South China Sea… The storm is moving west at high speed… above 30 km/h…

Satellite animation shows that KALMAEGI is re-intensifying steadily… Intense curved bands are seen around the centre (eye) of the storm… KALMAEGI is a mature tropical cyclone…  The initial intensity used in this alert advisory is raised again to 130 km/h (70 kts)…

Favourable environment should allow further intensification… KALMAEGI will continue to gain strength before making landfall on China…

The sub-tropical high centred near Okinawa remains strong… KALMAEGI is forecast to move west-northwest and pass within 400 km southwest of HK after midnight… Weather will deteriorate with squally showers in the evening… Strong Force winds are occasionally observed on highlands and over offshore waters currently… Winds will go on strengthening as KALMAEGI edges closer to us…

Please pay attention to the movement of KALMAEGI… Winds may reach Gale Force during the night… possibly into tomorrow morning over southwestern parts of the territory… Please take action to prevent loss if you face the east / southeast / south…

alert_201415w_04a

LATEST INFORMATION AT 05:00 UTC / 13:00 HKT:
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Position: 18.3N 116.5E (506 km SSE of HK; 264 km S of Pratas, Taiwan), based on VIS and radar,
Maximum sustained winds: 130 km/h gusting 175 km/h (70G95KT),
Minimum SLP: 965 hPa.

24-HR FORECAST FOR 05:00 UTC / 13:00 HKT:
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Position: 20.7N 110.0E (466 km WSW of HK), overland,
Maximum sustained winds: 140 km/h gusting 185 km/h (75G100KT).

Variation of 10-min mean wind speed at Waglan Island (from HKO)

Variation of 10-min mean wind speed at Waglan Island (from HKO)

At 05:20 UTC / 13:20 HKT…
PY30 Oil Platform reported northeasterly winds of 91 km/h (2-min)…
Waglan Island reported northeasterly winds of 40 km/h (10-min)…

The next alert advisory is scheduled for 14:00 UTC / 22:00 HKT or earlier if needed…

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