Your source for forecasting tools, software, and books since 1993
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"Thank you for actually penning these books. They are a wonderful review of the concepts without the excessive (but necessary) amount of math behind them. I wish they had been recommended as supplements in both my undergrad and graduate years."

— Josh Tobias, 2017

"I have used Digital Atmosphere for quite sometime and consider it to be one of the most straightforward, comprehensive, and operationally useful programs on my server. I have found it to be invaluable for my day-to-day analyses and forecasting as well as my ongoing research. Tim is also extremely helpful and absolutely indispensable when it comes to locating scripts, the best datasets, and even professional contacts to help make any organization as productive as possible."

Chris Robbins, iWeatherNet

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"The NEXRAD support is truly awesome and easy to use - and the other feature just really tops it off. This is about my sixth email tonight - the other five being to other spotters in the area telling them they just have to download Digital Atmosphere and give it a serious going over."

— David Cashion

"I'm really looking forward to the next phase of Digital Atmosphere Workstation. I'm sure it will be as excellent as all your other products."

— Simon Keeling
Weather Consultancy Services, UK

"I run and manage a number of festival type events and Digital Atmosphere is able to produce charts that I can use for normal weather forecasting with a fair degree of accuracy and in particular wind speed and direction that is crucial to many of events."

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Weathergraphs - Laminated, reusable forecasting tools & references

Weathergraphs were developed by an experienced meteorologist for use by other forecasters. They are valuable resources to keep at the weather forecasting desk or hung on the wall, and will improve your proficiency at working with weather observations, satellite imagery, and chart analysis. Makes a great gift for forecasters, weather hobbyists, storm spotters, and amateur scientists. The sheets are laminated and printed in full color.

*Note: If you are ordering more than 2 Weathergraphs at once, please contact us for a reduced quote on shipping.

AVAILABLE PRODUCTS

Skew-T log-P diagram

The skew-T log-P diagram is commonly used to plot the temperature and dewpoint data obtained from soundings. It provides a convenient way to visually estimate thermodynamic quantities vital to forecasting severe weather, winter precipitation type, and many other important applications. This full color diagram works with dry or wet-erase markers so you can use it over and over!

On the reverse is a reference chart explaining the elements of the skew-T diagram, as well as a list of severe weather indices often computed using these diagrams and their meanings. For more in depth information about meteorological thermodynamics, check out our Instability, Skew-T & Hodograph Handbook.

$12.95, 11 x 17 inches, double sided laminated cardstock.



Original Weathergraph

The original Weathergraph is a handy reference for forecasters and hobbyists alike. On one side is a wealth of information useful in producing and interpreting forecasts. The reverse is focused on observations and plotting. Click on the image to the left for a larger view to see exactly what is included in this reference tool. Now updated with current extended Fujita and Saffir-Simpson scales.

$12.95, 11 x 17 inches, double sided laminated cardstock.



Cloud Reference Chart

Our Cloud Reference Chart is a color cloud atlas showing all 27 primary cloud types recognized by the World Meteorological Organization, along with their standard symbol and abbreviation. These types are extensively used in SYNOP reports as well as some METAR observations. The chart incorporates new information from the 2017 edition of the International Cloud Atlas. The reverse side provides a detailed breakdown of all cloud genera, species, varieties, supplementary features, and accessory clouds in an easy-to-use format that is color-coded for easy reference. It also includes a precipitation-to-cloud-type conversion matrix.

$12.95, 11 x 17 inches, double sided laminated cardstock.



Hurricane Tracking Chart

Our Hurricane Tracking Chart has a convenient reusable tracking chart for Atlantic tropical systems on the front, and useful, fully up to date reference information on the back. Full color. A great gift for any tropical weather enthusiast.

$12.95, 11 x 17 inches, double sided laminated cardstock.