EF Scale1.6 - App Store
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Publisher Description
Rate tornado damage the way surveyors do. EF Scale puts the complete
Enhanced Fujita scale on your iPhone, iPad, and Mac - all 28 damage
indicators, every degree of damage, and the expected wind speeds
behind each rating.
Browse structure types from small barns and family residences to
high-rise buildings, transmission lines, and trees. Compare what you
see against reference photos and construction details, then pick a
degree of damage and tune the wind speed estimate between its bounds
to account for construction quality.
. All 28 damage indicators of the Enhanced Fujita scale
. Reference photos and construction details for every indicator
. Degrees of damage with expected wind speeds and EF ratings
. Interactive wind speed estimator with adjustable bounds
. EF0-EF5 rating reference, always a tap away
. Everything stored on device - works fully offline in the field
Built for storm spotters, damage surveyors, emergency managers,
students, and weather enthusiasts.
*** PLEASE REMEMBER: This app is for reference purposes only. Doing a real damage survey takes knowledge and experience you can't build into an app! Official damage assessments are the business of the National Weather Service and their delegates! ***
Version History Updated UI 1.6 Aug 4 Typo fixes 1.5 11/23/2020 Version 1.4
Improved UI 1.4 04/28/2015 Bug fixes
Improved sharing options 1.3 09/18/2013 Fixed pictures that weren't displaying correctly
Added about & share buttons! 1.2 12/20/2011 Added pictures of all of the Damage Indicators and most of the Degrees of Damage! 1.1 07/12/2011 1.0 02/11/2011
About EF Scale
The company that develops EF Scale is WeatherWary LLC. The latest version released by its developer is 1.6.
To install EF Scale on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-10-15 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the EF Scale as malware if the download link is broken.
How to install EF Scale on your iOS device:
- Click on the Continue To App button on our website. This will redirect you to the App Store.
- Once the EF Scale is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
- If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
- After EF Scale is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
- Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.
Program Details
System requirements
Download information
Pricing
Version History
version 1.6
posted on 2026-10-15
Version History Updated UI 1.6 Aug 4 Typo fixes 1.5 11/23/2020 Version 1.4
Improved UI 1.4 04/28/2015 Bug fixes
Improved sharing options 1.3 09/18/2013 Fixed pictures that weren't displaying correctly
Added about & share buttons! 1.2 12/20/2011 Added pictures of all of the Damage Indicators and most of the Degrees of Damage! 1.1 07/12/2011 1.0 02/11/2011
version 1.6
posted on 2026-08-30
Version History Updated UI 1.6 Aug 4 Typo fixes 1.5 11/23/2020 This app has been updated by Apple to prepare for watchOS 27 compatibility. No new features are included.
Version 1.4
Improved UI 1.4 04/28/2015 Bug fixes
Improved sharing options 1.3 09/18/2013 Fixed pictures that weren't displaying correctly
Added about & share buttons! 1.2 12/20/2011 Added pictures of all of the Damage Indicators and most of the Degrees of Damage! 1.1 07/12/2011 1.0 02/11/2011
version 1.5
posted on 2026-07-23
Version History Typo fixes 1.5 11/23/2020 This update from Apple will improve the functionality of this app. No new features are included.
Version 1.4
Improved UI 1.4 04/28/2015 Bug fixes
Improved sharing options 1.3 09/18/2013 Fixed pictures that weren't displaying correctly
Added about & share buttons! 1.2 12/20/2011 Added pictures of all of the Damage Indicators and most of the Degrees of Damage! 1.1 07/12/2011 1.0 02/11/2011
version 1.5
posted on 2020-11-23
Nov 23, 2020 Version 1.5
Typo fixes
version 1.5
posted on 2020-11-23
Typo fixes
version 1.4
posted on 2015-04-28
Apr 28, 2015 Version 1.4
Version 1.4
Improved UI
version 1.4
posted on 2015-04-28
Apr 28, 2015 Version 1.4
This app has been updated by Apple to use the latest Apple signing certificate.
Version 1.4
Improved UI
version 1.4
posted on 2011-02-11
version 1.4
posted on 1970-01-01
28 de abr de 2015 Version 1.4
This app has been updated by Apple to use the latest Apple signing certificate.
Version 1.4
Improved UI
version 1.5
posted on 1970-01-01
2020年11月23日 Version 1.5
Typo fixes
Disclaimer
Official App Store Link
We do not host EF Scale on our servers. We did not scan it for viruses, adware, spyware or other type of malware. This app is hosted by Apple and passed their terms and conditions to be listed there. We recommend caution when installing it.
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