 The German Weather Service developed the High Resolution Regional Model ( HRM ) in 1999 , which is widely run within the operational and research meteorological communities and run with hydrostatic assumptions . The Antarctic Mesoscale Prediction System ( AMPS ) was developed for the southernmost continent in 2000 by the United States Antarctic Program . The German non @-@ hydrostatic <unk> @-@ Modell for Europe ( <unk> ) has been run since 2002 , and an increase in areal domain became operational on September 28 , 2005 . The Japanese Meteorological Agency has run a high @-@ resolution , non @-@ hydrostatic mesoscale model since September 2004 . 
