We think you're near Los Angeles

Currently in Los Angeles

Location: Los Angeles Current temperature: 62°F: Current condition: Clear See Extended Forecast

New weather satellite acquires first water vapor measurements

The Advanced Technology Microwave Sounder (ATMS) instrument on board NASA's newest Earth-observing satellite, NPP, acquired its first measurements on Tuesday.

The image shows data which measures water vapor in the lower atmosphere. Tropical Storm Sean is visible in the data, as the patch of blue, in the Atlantic off the coast of the Southeastern United States. The data were processed at the NOAA Satellite Operations Facility (NSOF) in Suitland, Md. NOAA stands for National Oceanic and Atmospheric Administration.

The ATMS is one of five instruments on board the NPP satellite, that launched from Vandenberg Air Force Base, Calif., on Oct. 28. Since then, NPP has successfully completed all spacecraft commissioning activities and powered on all instruments. In the next few weeks, all instruments will be commissioned and NPP will be sending science data from the four remaining instruments by mid-December. NPP stands for National Polar-orbiting Operational Environmental Satellite System Preparatory Project

Advertisement

The ATMS instrument can collect data even when it is cloudy. Paired with the Cross-track Infrared Sounder (CrIS), also aboard NPP, they will produce global sets of high-resolution temperature and moisture profiles that are used for forecasting and studying weather.

"NPP is rock solid," stated Ken Schwer, NPP project manager at NASA's Goddard Space Flight Center, Greenbelt, Md. "The satellite has performed extremely well during the checkout maneuvers and is in the expert hands of the mission operations team at NSOF.”

During the commissioning activities, which were completed on Saturday, the NPP spacecraft subsystems were successfully tested, including command and control, propulsion and communications. NPP spacecraft and instrument data is sent from the spacecraft to the ground station in Svalbard, Norway and then to the NSOF.

In addition to the ATMS and the CrIS instruments, NPP carries three more state-of-the-art sensors that will provide critical information concerning long-term climate patterns and will help meteorologists improve short-term weather forecasts. During the satellite's five-year life, the mission will extend more than 30 key long-term datasets NASA has been tracking, including measurements of the ozone layer, and land and ice cover.

"NPP data will improve our forecast skills out to five to seven days in advance of extreme weather events, including hurricanes, and severe weather outbreaks," said Louis Uccellini, director of NOAA's National Centers for Environmental Prediction. "With NPP, our goal is to make the accurate forecasts achieved for this year's events even better in the future.”

The NPP mission is managed by NASA's Goddard for the Earth Science Division of the Science Mission Directorate at NASA Headquarters in Washington.

Other post by Keith Stein:

, DC Space News Examiner

Freelance writer and research consultant, former NASA Information Specialist, Keith Stein has written about space since the mid-1990's. He was the Associate Technical Editor for Launchspace Training, providing training for space professionals.

Don't miss...