A meteorological radar precipitation pattern prediction apparatus comprising: image input means for inputting radar images of a precipitation region; image storage means for storing the input radar images as time-series two-dimensional images; and image transition detecting means for detecting an intensity transition of the precipitation region between two or more two-dimensional past images stored in the image storage means, based on gray-levels of the images, the meteorological radar precipitation pattern prediction apparatus being characterized by further comprising: image generating and vanishing means for performing operations of switching generating and vanishing processes for the precipitation region according to the detected intensity transition, so as to output results of the operations, which indicate predicted growth or decay of a local precipitation region in the precipitation region; and output means for making and outputting a predicted image of the precipitation region according to the results output from the image generating and vanishing means, where the predicted image indicates the predicted growth or decay of the local precipitation region in the precipitation region, wherein the image transition detecting means detects the intensity transition by calculating a difference between corresponding pixels between the images and then calculating the sum of the differences for all pixels. image input means for inputting radar images of a precipitation region; image storage means for storing the input radar images as time-series two-dimensional images; and image transition detecting means for detecting an intensity transition of the precipitation region between two or more two-dimensional past images stored in the image storage means, based on gray-levels of the images, the meteorological radar precipitation pattern prediction apparatus being characterized by further comprising: image generating and vanishing means for performing operations of switching generating and vanishing processes for the precipitation region according to the detected intensity transition, so as to output results of the operations, which indicate predicted growth or decay of a local precipitation region in the precipitation region; and output means for making and outputting a predicted image of the precipitation region according to the results output from the image generating and vanishing means, where the predicted image indicates the predicted growth or decay of the local precipitation region in the precipitation region, image generating and vanishing means for performing operations of switching generating and vanishing processes for the precipitation region according to the detected intensity transition, so as to output results of the operations, which indicate predicted growth or decay of a local precipitation region in the precipitation region; and output means for making and outputting a predicted image of the precipitation region according to the results output from the image generating and vanishing means, where the predicted image indicates the predicted growth or decay of the local precipitation region in the precipitation region, wherein the image transition detecting means detects the intensity transition by calculating a difference between corresponding pixels between the images and then calculating the sum of the differences for all pixels.