Some Aspects of the Cloud Formation and the Airmass Modification over the Japan Sea in Winter Revealed by TIROS Observation

Some Aspects of an Inversion Layer over the Japan Sea under a Winter Monsoon Situation as evealed by Dropsonde and Aerial Photographic Observation

“…11. Although no distinct band structure is found in this case, it is notable that the interval between echo groups is about 20-30 km, which is known as the characteristic distance between winter time cumulus bands over the Japan Sea (AsAI 1966, NINOMIYA 1966. Groups of echoes are also detected on the cloud photographs.…”

“…Several studies based on the synthetic observations, which had been carried out by the Heavy Snow Storm Research Project since 1963, clarified some aspects con .-cerning the winter monsoon and the cumulus activity over the Japan Sea (MATSU-MOTO et al, 1963, MATSUMOTO and NINOMIYA, 1965, NINOMIYA, 1966and AsAI, 1966.…”

Some Aspects of the Cloud Formation and the Airmass Modification over the Japan Sea in Winter Revealed by TIROS Observation (Part II)

“…Thus it would be concluded that the estimated cloud height by using TIROS radiation data corresponds with the humidity sounding. Similar situations are also analysed by NINOMIYA (1966 a and1966 b) by using the aerial photographic observation of cloud and also the drop sonde observation" over the Japan Sea. Fig.…”

“…It is known by aerial photographic servation that the cumulus top is rather flat and also stratified cloud like stratocumuls coexists with cumulus under the inversion layer when the winter mosoon predominates NINOMIYA, 1966 a and1966 b). Thus the albedo of 0.30 is to be understood as the mean albedo of cumulus and stratocumulus.…”