The Southern Indiana Weather Spotter's Reference
Serving Southern Indiana, Southeast Illinois, and Northern Kentucky  
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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
 o NOAA  o CDC  o NCDC  o AB/CPC  o NOMADS  o Purdue  o MRCC

Climate Reports
 o NCDC (National)  o MRCC (Midwest)  o Indiana (Purdue)

METAR Data
 o ADDS  o AnythingWeather  o MesoWest  o Wx Underground

NOWData
 o Indianapolis  o Louisville  o Paducah  o ThreadEx

Daily Climate Summary
 o Indianapolis  o Louisville  o Paducah

HPC Archive
 o National Forecast Chart  o QPF  o Daily Wx Maps  o Surface Maps  o Hourly

SPC Archive
 o Products & Reports  o Severe Plot  o Surface & Upper Air Archive  o Hourly Meso

Surface, Satellite, Upper Air, Radar
 o Virga  o Unisys  o PSC  o UCAR

Archived Forecasts, Warnings, & Lightning Data
 o Iowa State  o FSL  o Earl  o PALS  o EMC  o SREF