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Home > Weather and Earthquakes > Tropical Cyclone Information

Tropical Cyclone Information

Select track forecast or wind probability
Tropical Cyclone 5-Day Track Forecast is currently issued.
The 5-Day Track Forecast does not show the storm warning area. For a detailed forecast up to 72 hours ahead, select "3-Day Track and Intensity Forecast" from the "Select track forecast or wind probability" drop-down list.
Click on a tropical cyclone to see an enlarged map of the related forecast.
09:00 JST, 28 September 2016
All Tropical Cyclones 1617161716181618

STS 1617 (Megi)
Issued at 00:50 UTC, 28 September 2016
<Analysis at 00 UTC, 28 September>
Scale-
Intensity-
Center positionN25°00' (25.0°)
E118°05' (118.1°)
Direction and speed of movementWNW 30 km/h (15 kt)
Central pressure980 hPa
Maximum wind speed near center30 m/s (55 kt)
Maximum wind gust speed40 m/s (80 kt)
≥ 50 kt wind areaALL 60 km (30 NM)
≥ 30 kt wind areaNE 440 km (240 NM)
SW 390 km (210 NM)
<Forecast for 00 UTC, 29 September>
Intensity-
TD
Center position of probability circleN26°10' (26.2°)
E115°55' (115.9°)
Direction and speed of movementNW 10 km/h (6 kt)
Central pressure996 hPa
Radius of probability circle90 km (50 NM)

TS 1618 (Chaba)
Issued at 01:10 UTC, 28 September 2016
<Analysis at 00 UTC, 28 September>
Scale-
Intensity-
Center positionN14°35' (14.6°)
E148°35' (148.6°)
Direction and speed of movementW 20 km/h (11 kt)
Central pressure1000 hPa
Maximum wind speed near center18 m/s (35 kt)
Maximum wind gust speed25 m/s (50 kt)
≥ 30 kt wind areaALL 280 km (150 NM)
<Forecast for 00 UTC, 29 September>
Intensity-
Center position of probability circleN15°00' (15.0°)
E143°30' (143.5°)
Direction and speed of movementW 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 circle110 km (60 NM)
Storm warning areaALL 170 km (90 NM)
<Forecast for 00 UTC, 30 September>
IntensityStrong
Center position of probability circleN16°05' (16.1°)
E139°50' (139.8°)
Direction and speed of movementWNW 15 km/h (9 kt)
Central pressure970 hPa
Maximum wind speed near center35 m/s (70 kt)
Maximum wind gust speed50 m/s (100 kt)
Radius of probability circle180 km (95 NM)
Storm warning areaALL 240 km (130 NM)
<Forecast for 00 UTC, 1 October>
IntensityVery strong
Center position of probability circleN18°20' (18.3°)
E135°40' (135.7°)
Direction and speed of movementWNW 20 km/h (11 kt)
Central pressure950 hPa
Maximum wind speed near center45 m/s (85 kt)
Maximum wind gust speed60 m/s (120 kt)
Radius of probability circle260 km (140 NM)
Storm warning areaALL 370 km (200 NM)
<Forecast for 00 UTC, 2 October>
Center position of probability circleN21°10' (21.2°)
E130°55' (130.9°)
Direction and speed of movementWNW 25 km/h (13 kt)
Radius of probability circle440 km (240 NM)
<Forecast for 00 UTC, 3 October>
Center position of probability circleN24°10' (24.2°)
E127°50' (127.8°)
Direction and speed of movementNW 20 km/h (10 kt)
Radius of probability circle650 km (350 NM)

When a tropical cyclone is expected to turn into a tropical depression or an extratropical cyclone in the next three to five days, a forecast covering the period up to four days ahead is issued.
Units:
1 kt (knot) = 1.852 km/h = 0.5144 m/s
1 nm (nautical mile) = 1.852 km