PTWX [plaintext weather]

keys:
  /  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 — ski areas 24h + 7-day
  g  gear to bring (12h)
  r  force refresh — purge cache, reload fresh
  t  toggle text mode (pre block, curl friendly)
  ?  toggle this help
  esc close tracker / gear / help / unfocus

urls:
  /burlington vt          search by name
  /05401 or /KJFK         zip or airport code
  /44.47,-73.21           lat,lon
  /burlington?format=text plain text mode (curl friendly)
  /burlington.txt         same as ?format=text

text mode:
  curl ptwx.pages.dev/burlington?format=text
  works with Accept: text/plain via server config
  returns <pre> block — copy/paste friendly

sources: weather.gov / open-meteo.com / aviationweather.gov
cache: location 3h, cold 3h, snow now 6h, 7-day 12h — r to bypass