This page displays plots of numerical guidance and other TCGP-curated data for POST-TROPICAL SYSTEM SANDY (AL18), which is no longer active. The plots and products linked from this page were generated in realtime, and have been archived here. Most of the model guidance displayed in the plots on this site come from a modeling centers outside of NCAR, such as NOAA, other national numerical weather prediction centers, and universities. Click here for information about who contributes to TCGP. Your use of this page is governed by the UCAR Terms of Service and this site's disclaimer.To obtain help for any item on this page, click on the question mark beside that item.