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Home > Weather and Earthquakes > Tropical Cyclone Information

Tropical Cyclone Information

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Tropical Cyclone
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21:00 JST, 23 August 2019
All Tropical Cyclones STS 1911STS 1911

STS 1911 (Bailu)
Issued at 12:50 UTC, 23 August 2019
<Analysis at 12 UTC, 23 August>
ScaleLarge
Intensity-
Center positionN19°50' (19.8°)
E124°35' (124.6°)
Direction and speed of movementWNW 20 km/h (12 kt)
Central pressure990 hPa
Maximum sustained wind speed25 m/s (50 kt)
Maximum wind gust speed35 m/s (70 kt)
≥ 30 kt wind areaALL 500 km (270 NM)
<Forecast for 00 UTC, 24 August>
Intensity-
Center position of probability circleN21°25' (21.4°)
E122°20' (122.3°)
Direction and speed of movementNW 25 km/h (13 kt)
Central pressure985 hPa
Maximum wind speed near center30 m/s (55 kt)
Maximum wind gust speed40 m/s (80 kt)
Radius of probability circle60 km (30 NM)
Storm warning areaALL 150 km (80 NM)
<Forecast for 12 UTC, 24 August>
Intensity-
Center position of probability circleN22°55' (22.9°)
E119°30' (119.5°)
Direction and speed of movementWNW 25 km/h (14 kt)
Central pressure990 hPa
Maximum wind speed near center25 m/s (50 kt)
Maximum wind gust speed35 m/s (70 kt)
Radius of probability circle90 km (50 NM)
<Forecast for 12 UTC, 25 August>
Intensity-
Center position of probability circleN25°20' (25.3°)
E115°00' (115.0°)
Direction and speed of movementWNW 20 km/h (12 kt)
Central pressure998 hPa
Maximum sustained wind speed18 m/s (35 kt)
Maximum wind gust speed25 m/s (50 kt)
Radius of probability circle190 km (100 NM)
<Forecast for 12 UTC, 26 August>
Intensity-
TD
Center position of probability circleN27°30' (27.5°)
E112°10' (112.2°)
Direction and speed of movementNW 15 km/h (8 kt)
Central pressure1002 hPa
Radius of probability circle330 km (180 NM)

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

Abbreviations:
TY: Typhoon
STS: Severe Tropical Storm
TS: Tropical Storm
TD: Tropical Depression
LOW: Extra-tropical Low