Ambient Weather Support

Ambient Weather WS-8478 Falcon Download Center

Latest User Manual:
Download the current User Manual for the WS-8478A Falcon Weather Station.

WS-8478A Falcon User Manual

Latest WS-8478A Firmware Update (Note, the WS-8480 firmware can be found here):

Version 110


  • Download the latest firmware linked above.
  • Extract the zip file to your computer or laptop. Once extracted,
  • Copy the entire update folder to an empty USB stick.
  • Power down the console.
  • Insert the USB stick
  • Power up the console.
  • NOTE: Your console will be restored to factory default. You will need to set it up again.
  • For more information, please follow the instructions in the WS-8478 Help Guide.

Update History:

Version 110 – February 4, 2019

  • Fixed issue with UV resolution at low values.

Version 108 – November 20, 2018

  • Fixed daily rain roll over issue at Midnight.
  • Fixed bug with rain counter setting rain to 3936 inches.

Version 105 – June 6, 2018

  • Fixed issue with barometric pressure calibration for altitudes above about 3000′.

Version 104 – April 23, 2018

  • Fixed issue with going offline if time sync was not successful.

Version 103 – March 20, 2018

  • Fixed Heat Index bug.
  • Fixed issue with DNS changes causing station to go offline.

Version 102 – March 1, 2018

  • Fixed issue with rain not resetting at Midnight. Also affected weekly, monthly rain totals.
  • Fixed issue with the max gust of the day not resetting at Midnight.
  • Fixed Daylight Savings Time bug introduced in Version 101.

Version 101 – February 5, 2018

  • Added daily, weekly, monthly and yearly rain.
  • Fixed bug if a negative longitude is incorrectly added.

Version 100 – January 30, 2018

  • If the temperature was 32 degF, the console would send 0 degF.
  • Fixed -158 degF spike.
  • Fixed wind speed, direction and rainfall lock up issue.
  • Fixed gust vs average wind speed (the wind speed could be larger than gust, which is incorrect).

Version 99 – January 18, 2018

  • If the temperature was less than 0 degF, the console was sending 0 degF to and