Dvorak technique facts for kids

Kids Encyclopedia Facts

The Dvorak technique (developed in 1974 by Vernon Dvorak) is a widely used system to subjectively estimate tropical cyclone intensity based solely on visible and infrared satellite images. Several agencies issue Dvorak numbers for cyclones of sufficient intensity. These include the National Hurricane Center's Tropical Analysis and Forecast Branch (TAFB), the NOAA/NESDIS Satellite Analysis Branch (SAB), the Joint Typhoon Warning Center at the Naval Pacific Meteorology and Oceanography Center in Pearl Harbor, Hawaii, and the Air Force Weather Agency (AFWA).

Agencies issuing Dvorak intensity estimates
Other

Images for kids

Common developmental patterns seen during tropical cyclone development, and their Dvorak-assigned intensities
The Dvorak technique does not correctly diagnose cyclone intensity for storms like Subtropical Storm Andrea since it only applies to tropical cyclones
Dvorak enhancement imagery of Typhoon Haiyan at T8.0
Tropical Storm Wilma at T3.0
Tropical Storm Dennis at T4.0
Hurricane Jeanne at T5.0
Hurricane Emily at T6.0

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