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Home > Weather and Earthquakes > Tropical Cyclone Information

Tropical Cyclone Information

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Tropical Cyclone
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09:00 JST, 17 August 2017
1712 1712

STS 1712 (Banyan)
Issued at 00:45 UTC, 17 August 2017
<Analysis at 00 UTC, 17 August>
Scale-
Intensity-
Center positionN40°05' (40.1°)
E173°35' (173.6°)
Direction and speed of movementNE 65 km/h (35 kt)
Central pressure992 hPa
Maximum wind speed near center25 m/s (50 kt)
Maximum wind gust speed35 m/s (70 kt)
≥ 30 kt wind areaSE 280 km (150 NM)
NW 170 km (90 NM)
<Forecast for 12 UTC, 17 August>
Intensity-
LOW
Center position of probability circleN43°55' (43.9°)
E178°55' (178.9°)
Direction and speed of movementNE 50 km/h (27 kt)
Central pressure996 hPa
Maximum sustained wind speed23 m/s (45 kt)
Maximum wind gust speed35 m/s (65 kt)
Radius of probability circle70 km (40 NM)
<Forecast for 00 UTC, 18 August>
Intensity-
LOW
Center position of probability circleN46°30' (46.5°)
W178°20' (178.3°)
Direction and speed of movementNE 30 km/h (16 kt)
Central pressure1004 hPa
Maximum sustained wind speed18 m/s (35 kt)
Maximum wind gust speed25 m/s (50 kt)
Radius of probability circle150 km (80 NM)

Tropical cyclones do not necessarily move along the lines
connecting the centers of probability circles.

Units:
1 kt (knot) = 1.852 km/h = 0.5144 m/s
1 nm (nautical mile) = 1.852 km