earth science

Vernon Dvorak

Vernon Dvorak is a earth science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Vernon Dvorak rather than just read about it. In short: Vernon Francis Dvorak (November 15, 1928 – September 19, 2022) was an American meteorologist. He studied meteorology at the University of California, Los Angeles and wrote his Master thesis An investigation of the inversion-cloud regime over the subtropical waters west of California in 1966.

Key takeaways

Vernon Dvorak belongs to earth science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Vernon Dvorak to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Vernon Dvorak from memory before moving on to harder problems.

Reference excerpt

Vernon Francis Dvorak (November 15, 1928 – September 19, 2022) was an American meteorologist. He studied meteorology at the University of California, Los Angeles and wrote his Master thesis An investigation of the inversion-cloud regime over the subtropical waters west of California in 1966. In 1973 he developed the Dvorak technique to analyze tropical cyclones from satellite imagery. He worked with the National Environmental Satellite, Data, and Information Service. He lived in Ojai, California, until his death on September 19, 2022.

Life and career Vernon Francis Dvorak was born in Cedar Rapids, Iowa on November 15, 1928. Dvorak's most influential work was the creation of the Dvorak technique, a method of estimating tropical cyclone intensity using infrared satellite. The Dvorak technique is credited as "fundamentally [enhancing] the ability to monitor tropical cyclones on a global scale." The method provides an invaluable tool in monitoring these systems given the limitations of direct measurements on such a vast scale. Dvorak married Joanne Foyola Schafroth in Los Angeles in January 1958. He died on September 19, 2022, at the age of 93.

Selected works Dvorak, Vernon F. (February 1973). A technique for the analysis and forecasting of tropical cyclone intensities from satellite pictures (Technical report). NOAA Technical Memorandum NESS. 45. Dvorak, Vernon F. (September 1984). Tropical cyclone intensity analysis using satellite data (Technical report). NOAA Technical Memorandum NESDIS. 11. Jixi, Jiang; Dvorak, Vernon F. (May 1987). Tropical cyclone center locations from enhanced infrared satellite imagery (Technical report). NOAA Technical Memorandum NESDIS. 18. Dvorak, Vernon F.; Mogil, H. Michael (1994). Tropical cyclone motion forecasting using satellite water vapor imagery (Technical report). NOAA Technical Memorandum NESDIS. 83.

Awards Dvorak was a recipient of a United States Department of Commerce Meritorious Service award in 1972 and in 2002 he received a Special Lifetime Achievement Award from the National Weather Association.

Illustrations

Worked examples

Example 1 — a first encounter with Vernon Dvorak

Start with the simplest possible case. Write down what Vernon Dvorak claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In earth science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Vernon Dvorak before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Vernon Dvorak ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Vernon Dvorak

In research: Vernon Dvorak appears in earth science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Vernon Dvorak in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Vernon Dvorak is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1928 births, 2022 deaths, American meteorologists, so understanding it makes those chapters shorter.
In everyday life: Look for Vernon Dvorak outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Vernon Dvorak in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Vernon Dvorak means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Vernon Dvorak out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Vernon Dvorak in simple terms?

Why does Vernon Dvorak matter?

Because it connects several earth science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Vernon Dvorak?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Vernon Dvorak.