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IO042013 - Tropical Cyclone (<64 kt) HELEN

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Forecast Track

Time of Latest Forecast: 201311231200

Forecast Hour Latitude Longitude Intensity
0 0 0 0
12 0 0 0
24 0 0 0
36 0 0 0
48 0 0 0
72 0 0 0
96 0 0 0
120 0 0 0

Forecast Track Archive

About Forecast Track

Track History

Synoptic Time Latitude Longitude Intensity
201311231200 17.4 78.2 30
201311230600 17.2 78.8 30
201311230000 16.4 79.3 30
201311221200 15.9 80.8 35
201311220600 16.2 81.3 35
201311220000 16.2 82 45
201311211800 16.2 82.5 50
201311211200 16.1 83 55
201311210600 15.8 83.2 60
201311210000 15.8 83.6 60
201311201800 15.7 83.9 55
201311201200 15.4 84 50
201311200600 15.3 84.1 50
201311200000 15.1 83.8 50
201311191800 15 84.2 45
201311191200 15 84.8 35

About Track History

Enhanced Infrared (IR) Imagery (4 km Mercator)

Loop | Latest Image | Archive | About

Time of This Image: 201311210600

AMSU Microwave 89 GHz Imagery (4 km Mercator)

Loop | Latest Image | Archive | About

Time of This Image: 201311212330

IR/WV/Microwave RGB (IR [R], WV [G], MI89 [B])

Loop | Latest Image | Archive | About

Time of This Image: 201311221456

Storm Relative 1 km Geostationary Visible Imagery

Loop | Latest Image | Archive | About

Time of This Image: 201311210600

2 km Storm Relative IR Imagery with BD Enhancement Curve

Loop | Latest Image | Archive | About

Time of This Image: 201311210600

Enhanced Infrared (IR) Imagery (1 km Mercator, MODIS/AVHRR)

Loop | Latest Image | Archive | About

Time of This Image: 201311210755

Day/Night Visible Imagery VIIRS

No Data Available

Day/Night DNB Imagery VIIRS

No Data Available

Enhanced Infrared (IR) VIIRS

No Data Available

Visible Imagery (1 km Mercator, MODIS/AVHRR)

Loop | Latest Image | Archive | About

Time of This Image: 201311210755

2km Natural Color Imagery

Latest Image | Archive | About

Time of Latest Image: 201311230745

Storm Relative 16 km Geostationary Water Vapor Imagery

Loop | Latest Image | Archive | About

Time of This Image: 201311210630

Storm Relative 16 km Microwave-Based Total Precipitable Water Imagery

Loop | Latest Image | Archive | About

Time of This Image: 201311210755

Multiplatform Satellite Surface Wind Analysis (Experimental)

Latest Image | Archive | About

Time of Latest Image: 201311231800

Aircraft-based Tropical Cyclone Surface Wind Analysis

No Data Available

Ocean Heat Content & Forecast Track

Latest Image | Archive | About

Time of This Image: 201311210600

Multiplatform Tropical Cyclone Kinetic Energy and Intensity

Loop | Latest Image | Archive | About

Time of This Image: 201311210600

Multiplatform Tropical Cyclone MSLP and Maximum Winds

Latest Image | Archive | About

Time of This Image: 201311210600

Digital Dvorak

Latest Image | Archive | About

Time of This Image: 201311210600

AMSU Intensity Time Series

Latest Image | Archive | About

Time of This Image: 201311210600

Collocation of AMSU and Dropsonde Soundings

No Data Available

Collocation of ATMS and Dropsonde Soundings

No Data Available

ATMS Maximum Potential Intensity

No Data Available

IR-based TC size

About

Time Series of the Simplified Holland B parameter calculated from the TC Vitals

About

Satellite-Based 34-kt Wind Radii Estimates

No Data Available

Satellite-Based 50-kt Wind Radii Estimates

No Data Available

Satellite-Based 64-kt Wind Radii Estimates

No Data Available

Dvorak Fix-Based Wind Radii (Text; ATCF ANAL fixes)

No Data Available

Eye Probability Forecast

No Data Available

AMSU Radial/Height Cross Sections

Latest Image | Archive | About

Time of Latest Image: 201311231556

AMSU Area-Averaged Wind Shears and Layer Means

About