There are several charts and lists relating to radio propagation:

  1. Surface Barametric Pressure
  2. HF and VHF Propagation
  3. Southern Aurora Forecast
  4. Sun Spot Cycle

Scroll down for each one.

Surface Barometric Pressure and Rainfall

via BOM, http://www.bom.gov.au/australia/charts/viewer/index.shtml

HF, VHF Propagation

via HamQSL http://www.hamqsl.com/solar.html

Southern Aurora Forecast

via NOAA, http://www.swpc.noaa.gov/products/aurora-30-minute-forecast

Solar Sun Spot Cycle

via NOAA, http://www.swpc.noaa.gov/products/solar-cycle-progression