Tornadoes: http://www.torDACH.org
German Meteorological Society, Section Frankfurt: http://www.zvf.dmg-ev.de/
Global Precipitation Climatology Centre http://gpcc.dwd.de
Arbeitsgruppe Klimaforschung
der Frankfurter Universität http://www.geo.uni-frankfurt.de/iau/klima/index.html
Understanding the Atmosphere http://itg1.meteor.wisc.edu/wxwise/AckermanKnox/
EUMETSAT http://www.eumetsat.int/
Agromet Tools ftp://ext-ftp.fao.org/SD/Reserved/Agromet/
Agromet Shell by Peter Hoefsloot http://www.hoefsloot.com/agrometshell.htm
Crop Water Needs http://www.fao.org/docrep/S2022E/s2022e07.htm
Crop evapotranspiration http://www.fao.org/docrep/X0490E/x0490e00.htm
CM Box User Guide http://80.69.76.153/wiki/index.php
African Rainfall Estimate ARFE of CPC http://www.cpc.ncep.noaa.gov/products/fews/AFR_CLIM/afr_clim.html
LaMMA Observation from Space http://www.lamma.rete.toscana.it/eng/teleril/rainfall/index_rain.html
LCRS – Laboratory for Climatology and Remote Sensing http://www.lcrs.de/
TRMM Multisatellite Precipitation Analysis http://disc.gsfc.nasa.gov/agriculture/ais_sup/anal_cur_cond.shtml
NOAA National Geophysical Data Center (NGDC) http://www.ngdc.noaa.gov/ngdcinfo/privacy.html
PDSI http://nadss.unl.edu/PDSIReport/pdsi/calculation.html
VASClimO http://www.dwd.de/en/FundE/Klima/KLIS/int/GPCC/Projects/VASClimO/VASClimO.htm
MPE, Multi-Sensor Precipitation Estimate of EUMETSAT (and other
products)
GeoTIFF http://www.remotesensing.org/geotiff/geotiff.html
GraDS Home Page http://grads.iges.org/grads/grads.html
Getting Started with win32e GrADS http://grads.iges.org/grads/Getting_win32e_Started.html
Creating a GUI with JFC/Swing http://java.sun.com/docs/books/tutorial/uiswing/TOC.html#learn
JAI, JAVA Advanced Imaging https://jai.dev.java.net/
JAI API Home Page http://java.sun.com/products/java-media/jai/iio.html
Programming in Java Advanced Imaging http://java.sun.com/products/java-media/jai/forDevelopers/jai1_0_1guide-unc/
The R project http://www.r-project.org/
Numerical Recipes http://www.nr.com/