The Southern Indiana Weather Spotter's Reference Serving the Tri-State with LIVE Radar & Weather Updates     Forecast:      FORECAST FOR THE EVANSVILLE, INDIANA AREA......   Links:    Advanced Forecast    Amateur Radio    Amateur Satellites    Climatology    Current Conditions    Disaster Maps    Earthquake    Flood    Forums    Forecast    Home    Hurricanes    Jumpstart    Links    Models    NWS Offices    Radar    Satellite    Spotter Training    Storm Chase Live    Watches/Warnings    Winter    Local Forecast:    Indianapolis NWS    Louisville NWS    Paducah NWS    Nationwide      Current Visitors:  35       Climatology In contrast to meteorology, which focuses on short term weather systems lasting up to a few weeks, climatology studies the frequency and trends of those systems. It studies the periodicity of weather events over years to millennia, as well as changes in long-term average weather patterns, in relation to atmospheric conditions. Basic knowledge of climate can be used within shorter term weather forecasting and can help predict future climate change. The links provided below provide access to historical weather information including weather maps, surface observations, weather events, satellite images, and other valuable weather records. Archived Climate Data    NCEI   AB/CPC   NOMADS   Purdue      MRCC Climate Reports   NCEI (National)   MRCC (Midwest)   Indiana (Purdue)   USDA NCDC Station Data   Download Data   Monthly Extremes   Metadata NCDC Disaster Data   Billion Dollar Disaster Reports METAR Data   ADDS   MesoWest   Wunderground NOWData   Indianapolis   Louisville   Paducah   ThreadEx WPC Archive   National Forecast Chart   QPF   Daily Wx Maps   Surface Maps SPC Archive   Products & Reports   Severe Plot   Surface & Upper Air Archive   Hourly Meso Surface, Satellite, Upper Air, Radar   PSC   UCAR Archived Forecasts, Warnings, & Lightning Data   Iowa State     Lightning   SREF