Vernon F. Dvorak is a retired American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 meteorologist

Meteorology

Meteorology is the interdisciplinary scientific study of the atmosphere. Studies in the field stretch back millennia, though significant progress in meteorology did not occur until the 18th century. The 19th century saw breakthroughs occur after observing networks developed across several countries...

. In 1973 he developed the Dvorak technique

Dvorak technique

The Dvorak technique is a widely used system to subjectively estimate tropical cyclone intensity based solely on visible and infrared satellite images. Several agencies issue Dvorak intensity numbers for cyclones of sufficient intensity...

 to analyze tropical cyclone

Tropical cyclone

A tropical cyclone is a storm system characterized by a large low-pressure center and numerous thunderstorms that produce strong winds and heavy rain. Tropical cyclones strengthen when water evaporated from the ocean is released as the saturated air rises, resulting in condensation of water vapor...

s from satellite imagery

Satellite imagery

Satellite imagery consists of photographs of Earth or other planets made by means of artificial satellites.- History :The first images from space were taken on sub-orbital flights. The U.S-launched V-2 flight on October 24, 1946 took one image every 1.5 seconds...

. He worked with the National Environmental Satellite, Data, and Information Service. Dvorak was a recipient of a United States Department of Commerce

United States Department of Commerce

The United States Department of Commerce is the Cabinet department of the United States government concerned with promoting economic growth. It was originally created as the United States Department of Commerce and Labor on February 14, 1903...

 Meritorious Service award in 1972 and in 2002 he received a Special Lifetime Achievement Award from the National Weather Association

National Weather Association

The National Weather Association is an American professional association with a mission to support and promote excellence in operational meteorology and related activities...

. He now lives in Ojai, California

Ojai, California

Ojai is a city in Ventura County, California, USA. It is situated in the Ojai Valley , surrounded by hills and mountains. The population was 7,461 at the 2010 census, down from 7,862 at the 2000 census.-History:Chumash Indians were the early inhabitants of the valley...

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