code: def wind_shear(shear: str, unit_alt: str = 'ft', unit_wind: str = 'kt', spoken: bool = False) -> str:
      
      if not shear or 'WS' not in shear or '/' not in shear:
          return ''
      shear = shear[2:].rstrip(unit_wind.upper()).split('/')  # type: ignore
      wdir = core.spoken_number(shear[1][:3]) if spoken else shear[1][:3]
      return f'Wind shear {int(shear[0])*100}{unit_alt} from {wdir} at {shear[1][3:]}{unit_wind}'
docs: Translate wind shear into a readable string
  
      Ex: Wind shear 2000ft from 140 at 30kt