The voluntary reporting system helps NOAA track weather patterns in many areas of the world where the organization doesn’t have direct access to local information. 

The ships measure air temperature, humidity, wind direction and strength, sea waves and swells.  Ships send information at a minimum of every six hours when at sea to a database which is forwarded to NOAA.

“As long-time participants in this important programme, we’re happy that our fleet was able to provide so much data this year to help with worldwide weather forecasting,” said Jan Swartz, Princess Cruises executive vice president. 

“With Princess ships sailing around the globe to all seven continents, we’re in the unique position to be able to take weather readings in a multitude of destinations where NOAA might not otherwise be able to get information.”
 
This data, which is gathered not only from cruise ships, but from all types of ships worldwide, is used to help NOAA track and forecast weather patterns around the world.
 
NOAA is a US  government agency that provides various important functions. 

From daily weather forecasts, severe storm warnings and climate monitoring to fisheries management, coastal restoration and supporting marine commerce, NOAA’s products and services support economic vitality and affect more than one-third of America’s gross domestic product. 

NOAA’s scientists use cutting-edge research and high-tech instrumentation to provide citizens, planners, emergency managers and other decision makers with reliable information they need when they need it. 

The organization maintains a presence in every state and has emerged as an international leader on scientific and environmental matters.