NATCA Bookshelf

One intern solution to this would be to use the 000-600 mosaic instead of one of the other filters. Another possible solution is to increase the levels of weather covered in the Moderate filter. The other issue has to do with the follow on mosaic "high confidence ". During the meteorological evaluation it was found that the sometimes-real weather was being removed as clutter. Due to this problem coming to light the new mosaic will be delayed until late January at the earliest. NEXGEN Weather Processor (NWP) and Common Support Services-Weather (CSS-WX) Both systems are progressing though the development phase. A large contract modification has been going through the adjudication process. A number of items were bid that actually will require a larger effort from the contractor to create. Also the original contract only allowed for one face to face human factors meeting and in actuality a number of meetings will be require because of the clean sheet design for the Aviation Weather Display. Raytheon has completed build one and demonstrated the results to the human factors meeting that was held the first week of November. Some of the items developed so far are the sign in screen and the allowance for multiple user preference sets and the requirement for a default configuration that will allow the system to always boot into a usable display without having to log back in after a reboot. Raytheon was also able to show the first couple of weather products like basic satellite loops and a precipitation mosaic. A lot of progress was made on upcoming build items and issues that we had been working since the last meeting. The team will plan to meet again at the end of build two, which is scheduled for the end of April. A number of go-to meetings will be conducted to show the results of the sprint demos that will be completed between now and the end of build two. The site survey for the test system at the technical center is schedule for the second week of December. NWP is scheduled to conduct its critical design review (CDR) the week after thanksgiving. ICAO Meteorology Panel The panel met in Montreal to continue working on the weather requirements for global weather advisories and trajectory-based operations. Some of the hot topics were Space Weather advisories and how and who would produce the advisories and what information would be actually needed and useful. The issue with space weather is twofold in that you have a flight crew exposure risk and an effect on navigation and communications, which result in two different types of advisories. A number of discussions were centered around the ICAO standards for data transmission and format. The US adds a number of items in the remarks of the ASOS that is used for climatology and expansion on the information in the METAR, i.e. variable ceiling and lightning and storm information. One of the contentious issues was adding these remarks into the new formats and allowing other countries to expand the information that they include in the METAR. The new data format is intended only for automation to read, where a current METAR is about 200 bytes of data the new format makes a METAR almost 1 mb due to the underlying information being include in the data stream.

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