https://aviationweather.gov/help/changelog/ NWS/Aviation Weather Center https://aviationweather.gov/help/changelog/#4.14 2026-03-27 Improved labeling consistency Improved PIREP location validation Ceiling and Visibility dashboard available for public comment Fix SIGMET updating in the Nordic countries Fix DSS prog chart analysis reliability NWS/Aviation Weather Center https://aviationweather.gov/help/changelog/#4.13 2026-02-25 Terminal Weather Dashboard KSFO update wind criteria Add 1000 ft temperature forecast Improve legend consistency across the site Fix AIRMET and domestic SIGMET IWXXM namespace NWS/Aviation Weather Center https://aviationweather.gov/help/changelog/#4.11 2026-01-22 Usernames are no longer case sensitive Model reflectivity available on precip and thunder NWS/Aviation Weather Center https://aviationweather.gov/help/changelog/#4.9 2025-12-31 Terminal Weather Dashboard ice pellets criteria added Terminal Weather Dashboard snow impact increase Deduplication of domestic SIGMETs on GFA Fix borders on basemap tiles NWS/Aviation Weather Center https://aviationweather.gov/help/changelog/#4.8 2025-12-16 Fix display of METARs with missing station information Fix ceiling calculation for some cases of missing TAF clouds Improve input parameter validation Video tour of the Aviation Weather Center NWS/Aviation Weather Center https://aviationweather.gov/help/changelog/#4.7 2025-12-10 Expand Area Forecast time horizon to ensure all current products displayed Fix updating of WIFS status dashboard Terminal Weather Dashboard KDCA update wind criteria Terminal Weather Dashboard KDEN wind criteria fix Terminal Weather Dashboard impact equality comparison fix Fix PIREP submission for locations away from major airports NWS/Aviation Weather Center https://aviationweather.gov/help/changelog/#4.6 2025-12-02 Fix Alaska AIRMET base and top in GFA Fix intermittent decoded METAR cloud display Fix date API error formatting Fix METAR vertical visibility units Fix colors of PIREPs and wind icons in dark mode NWS/Aviation Weather Center https://aviationweather.gov/help/changelog/#4.5 2025-11-06 Expand archive to 30 days Terminal Weather Dashboard IMC wind criteria information Pre-Duty Weather Briefings G-AIRMET all/none shortcuts