kanno hiromitsu is an atmospheric geographer.e is currently studying weather patterns in northeastern japan. in particular, he is studying the yamase phenomenon. ( speaking japanese ) translator: in the normal summer, the influence of the pacific ocean high-pressure zone extends into northern japan. when this happens, the tohoku region will be as warm as other prefectures to the south. however, in some years, the pacific ocean high-pressure zone is weak, and the high-pressure zone in the sea of okhotsk is strong. when this happens, a cold air mass will move south, cold winds will blow into tohoku from the north, and we get the phenomenon known as yamase. when yamase occurs, temperatures stay below 20 degrees celsius, even in august. cold temperatures can last for a long time-- as long as ten days or even a month. when this happens, the rice kernels don't form. narrator: ly is crucl to devopment of the rice keels-- it iduring this time the fin the seasonlant. that they're fng inside thetalks. dunghis period kobayashi checks his fi