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Rapid Refresh to Replace RUC in Early May 2012

25 April 2012

An example composite reflectivity graphic from ESRL

Example RAP output

Rapid Refresh (RAP) is the next-generation hourly-updated replacement for the Rapid Update Cycle (RUC) numerical model covering North America. The National Centers for Environmental Prediction (NCEP), along with the Earth Systems Research Laboratory (ESRL) have been running the RAP model experimentally for some time, and NCEP plans to switch to the RAP for operational use on Tuesday, May 1 2012. (If May 1st is a Critical Weather Day, the transition will take place as soon as practical afterward).

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GRIB and BUFR as Archival Data Formats?

29 December 2011

Unidata developer John Caron spends a big portion of his time thinking about how to make the formats in which scientific data are stored more useful and robust. If you're a user of the GRIB or BUFR formats, or just have an interest in the long-term viability of data formats in general, read on.

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Fire Weather Model Output Available via CONDUIT

27 September 2011

The National Centers for Environmental Prediction have begun providing Fire Weather output from selected areas of the North American Mesoscale (NAM) model via Unidata's CONDUIT feed. The additional data were added into the CONDUIT feed on September 20, 2011.

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Global Lightning Data Now Available to the Unidata Community

07 April 2011

WSI Corporation and Unidata are pleased to announce the availability of global lightning data to members of the Unidata community.

WSI Corp.'s Global Lightning Network (GLN) provides high quality real-time and archive lightning stroke data to clients throughout the world. Lightning sensors are located at more than 150 international hosting partner sites, in addition to the detectors that make up the North American Precision Lightning Network (all NAPLN data is included in the GLN data feed). In the key deployment areas, including North and South America, Europe, and Asia/Australia, GLN detection efficiency values are as high as 90-95%, with corresponding location accuracies less than 1 km. Real-time data are collected in a 1-minute bin, and contain cloud-to-ground lightning stroke data and some cloud flash discharges.

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New Products in CONDUIT: We Need Your Feedback

04 March 2011

In response to a Unidata Users Committee request, Becky Cosgrove, Unidata's NOAA/NCEP contact for CONDUIT, has provided an updated list of NCEP products available through CONDUIT. If you are enjoying the benefits of CONDUIT, please review the additional NCEP products available for distribution.

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