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Home > Weather and Earthquakes > Tropical Cyclone Information

Tropical Cyclone Information

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14:00 JST, 28 September 2012
All Tropical Cyclones 1217121712181218

TY 1217 (JELAWAT)
Issued at 05:45 UTC, 28 September 2012
<Analyses at 28/05 UTC>
ScaleLarge
IntensityVery Strong
Center positionN23°10'(23.2°)
E124°20'(124.3°)
Direction and speed of movementNNE 15km/h(9kt)
Central pressure920hPa
Maximum wind speed near the center50m/s(100kt)
Maximum wind gust speed70m/s(140kt)
Area of 50kt winds or moreALL190km(100NM)
Area of 30kt winds or moreN650km(350NM)
S440km(240NM)
<Estimate for 28/06 UTC>
ScaleLarge
IntensityVery Strong
Center positionN23°25'(23.4°)
E124°20'(124.3°)
Direction and speed of movementNNE 15km/h(9kt)
Central pressure920hPa
Maximum wind speed near the center50m/s(100kt)
Maximum wind gust speed70m/s(140kt)
Area of 50kt winds or moreALL190km(100NM)
Area of 30kt winds or moreN650km(350NM)
S440km(240NM)
<Forecast for 28/15 UTC>
IntensityVery Strong
Center position of probability circleN24°35'(24.6°)
E125°05'(125.1°)
Direction and speed of movementNNE 15km/h(9kt)
Central pressure930hPa
Maximum wind speed near the center45m/s(90kt)
Maximum wind gust speed65m/s(130kt)
Radius of probability circle90km(50NM)
Storm warning areaALL260km(140NM)
<Forecast for 29/03 UTC>
IntensityVery Strong
Center position of probability circleN25°35'(25.6°)
E127°10'(127.2°)
Direction and speed of movementNE 20km/h(11kt)
Central pressure935hPa
Maximum wind speed near the center45m/s(85kt)
Maximum wind gust speed60m/s(120kt)
Radius of probability circle160km(85NM)
Storm warning areaALL310km(170NM)
<Forecast for 30/00 UTC>
IntensityStrong
Center position of probability circleN29°20'(29.3°)
E131°20'(131.3°)
Direction and speed of movementNE 20km/h(11kt)
Central pressure940hPa
Maximum wind speed near the center40m/s(80kt)
Maximum wind gust speed60m/s(115kt)
Radius of probability circle330km(180NM)
Storm warning areaALL480km(260NM)
<Forecast for 01/00 UTC>
Intensity-
Center position of probability circleN35°10'(35.2°)
E137°05'(137.1°)
Direction and speed of movementNE 35km/h(18kt)
Central pressure980hPa
Maximum wind speed near the center30m/s(55kt)
Maximum wind gust speed40m/s(80kt)
Radius of probability circle460km(250NM)
Storm warning areaSE560km(300NM)
NW520km(280NM)

STS 1218 (EWINIAR)
Issued at 04:00 UTC, 28 September 2012
<Analyses at 28/03 UTC>
Scale-
Intensity-
Center positionN31°50'(31.8°)
E142°55'(142.9°)
Direction and speed of movementNE Slowly
Central pressure985hPa
Maximum wind speed near the center25m/s(50kt)
Maximum wind gust speed35m/s(70kt)
Area of 30kt winds or moreALL440km(240NM)
<Forecast for 28/15 UTC>
Intensity-
Center position of probability circleN32°50'(32.8°)
E144°30'(144.5°)
Direction and speed of movementNE Slowly
Central pressure990hPa
Maximum wind speed near the center23m/s(45kt)
Maximum wind gust speed35m/s(65kt)
Radius of probability circle90km(50NM)
<Forecast for 29/03 UTC>
Intensity-
Center position of probability circleN35°00'(35.0°)
E146°30'(146.5°)
Direction and speed of movementNE 25km/h(14kt)
Central pressure992hPa
Maximum wind speed near the center20m/s(40kt)
Maximum wind gust speed30m/s(60kt)
Radius of probability circle160km(85NM)
<Forecast for 30/00 UTC>
Intensity-
LOW
Center position of probability circleN39°50'(39.8°)
E151°50'(151.8°)
Direction and speed of movementNE 35km/h(19kt)
Central pressure992hPa
Maximum sustained wind speed20m/s(40kt)
Maximum wind gust speed30m/s(60kt)
Radius of probability circle330km(180NM)

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