Peak WX

        features:
          location    search by name, zip, airport code, or lat,lon
                      recent locations, permalink urls (?q= short), geolocation
                      recent list: type to filter, remove single / clear all, re-shows METAR/TAF for saved airports
          forecast    current + daily periods, expandable hourly detail
                      mountain base/peak temps (lapse-rate estimate, ±300m from station elev), snow depth, icy-conditions flag
                      sub-freezing temps highlighted
                      freezing level FZLVL + wet-bulb + snowmaking window
                      hourly cards flag snowmaking-qualifying hours (wet-bulb ≤ threshold)
          aviation    raw + decoded METAR/TAF by ICAO/IATA
                      3-letter codes auto-tried as K-prefixed US ICAO; falls back to aviationweather.gov link if no raw report
          alerts      live NWS alerts, winter hazards flagged distinctly
                      self-computed overnight frost/freeze + snowmaking window
          trackers    cold - coldest US + world spots (200+ locations, max 3 per US state for diversity)
                      snow - ski area current conditions & 7-day forecast (549 top areas)
                      snow: near me - sort/filter by distance via geolocation
          units       F/C toggle (persisted), switches wind/precip units + date format
                      auto light/dark theme
          text mode   plaintext view, curl/lynx friendly, ?format=text urls
                      copy link / copy plaintext summary (also available on the normal view, not just text mode)
                      ?format=text&snow=CAN - plaintext snow tracker by region code
          offline     cached results with per-type TTLs, stale fallback, force refresh
                      batched + rate-limited tracker requests
          header      live clock, updates every 30s
          coolness    cool factor is off the charts

        shortcuts:
          /  search location
          f  F units (°F, mph, in)
          c  C units (°C, km/h, mm, cm)
          k  cold tracker - coldest spots US + world
          s  snow tracker (now / 7-day)
          r  force refresh - purge cache, reload fresh
          t  toggle text mode (pre block, curl friendly)
          h  toggle this help
          esc close tracker / help / unfocus

        urls:
          /international falls mn   search by name
          /56649 or /INL or /KINL   zip or airport code
          /44.27,-71.30             lat,lon
          /?q=stowe                 short query (?q=) - curl friendly
          /?q=44.27,-71.30          lat,lon via ?q=
          /?q=BTV or /?q=KJFK       airport via ?q=
          /kinl?format=text         plain text mode (curl friendly)
          /?q=stowe&format=text     short + text mode
          /kinl.txt                 same as ?format=text

        text mode:
          curl pwx.one/56649
          curl pwx.one/?q=stowe&format=text
          lynx pwx.one/?q=BTV
          curl pwx.one/44.27,-71.30?format=text

        snowmaking:
          wet-bulb ≤ 27°F / -3°C counts as snowmaking hour
          banner shows 24h/48h/72h totals when >0

        freezing level:
          FZLVL from Open-Meteo freezing_level_height
          daily chip shows elevation vs snow line: all snow / near surface / mix

        sources: National Weather Service (weather.gov) / Open-Meteo (open-meteo.com) / Aviation Weather (aviationweather.gov)
        cache: location 3h, cold 3h, snow now 6h, 7-day 12h

        about:
          created by: barney matthews (www.barney.me)
          inspired by: wttr (www.wttr.in) + weather maniac (weather.maniac.com)
          follow us: bluesky (social.pwx.one)