astronomy

WxChallenge

WxChallenge is a astronomy 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 WxChallenge rather than just read about it. In short: The WxChallenge is a weather forecasting competition among colleges in North America. The competition is run by the University of Oklahoma.

Key takeaways

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

Reference excerpt

The WxChallenge is a weather forecasting competition among colleges in North America. The competition is run by the University of Oklahoma. In its first official semester, fall 2006, there were 1,262 participants from 53 institutions. A similar competition, the National Collegiate Weather Forecasting Contest, recently ended, partially due to this competition.

Organization Entrants in the contest must be affiliated with a college or university, but they range in age and knowledge from undergraduates to professors. Each semester, 5 cities are picked for forecasting; the current city changes every 2 weeks. Contestants forecast 4 days per week for the following day's high temperature (in Fahrenheit), low temperature, maximum sustained wind speed (in knots) and precipitation (in 1/100ths of an inch). One "error" point is given for each degree of error on temperature, 1/2 an error point is given for each knot of wind speed error. Precipitation is scored as follows:

0.4 points for each .01 inch of error in the verification range from 0.00 to 0.10 inches inclusive 0.3 points for each .01 inch of error in the verification range from 0.11 to 0.25 inches inclusive 0.2 points for each .01 inch of error in the verification range from 0.26 to 0.50 inches inclusive 0.1 points for each .01 inch of error in the verification range over 0.50 inches At the end of the competition, the top 64 forecasters continue into a "March Madness" like tournament where a champion is crowned. A trophy is given to the champion, as well as the runner-up and the other two forecasters who make it to the "Final Four".

Winners 2006-07: Massachusetts Institute of Technology 2007-08: Massachusetts Institute of Technology 2008-09: Mississippi State University 2009-10: Mississippi State University 2010-11: Mississippi State University 2011-12: Pennsylvania State University 2012-13: Pennsylvania State University 2013-14: Pennsylvania State University 2014-15: Pennsylvania State University 2015-16: Pennsylvania State University 2016-17: Pennsylvania State University 2017-18: Colorado State University 2018-19: University of Washington 2019-20: Colorado State University 2020-21: North Carolina State University 2021-22: Massachusetts Institute of Technology 2022-23: Massachusetts Institute of Technology 2023-24: Colorado State University

Worked examples

Example 1 — a first encounter with WxChallenge

Start with the simplest possible case. Write down what WxChallenge claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In astronomy, 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 WxChallenge 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 WxChallenge 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 WxChallenge

In research: WxChallenge appears in astronomy 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 WxChallenge 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: WxChallenge is common in secondary-school and first-year university syllabi. It links to neighbouring topics Meteorology competitions, University of Oklahoma, so understanding it makes those chapters shorter.
In everyday life: Look for WxChallenge 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 WxChallenge in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what WxChallenge 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 WxChallenge out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is WxChallenge in simple terms?

The WxChallenge is a weather forecasting competition among colleges in North America. The competition is run by the University of Oklahoma.

Why does WxChallenge matter?

Because it connects several astronomy 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 WxChallenge?

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 WxChallenge.