奇怪的雷達回波 - 颱風討論

By Joseph
at 2016-06-24T11:46
at 2016-06-24T11:46
Table of Contents
昨天剛考完雲物理期末考,暑假剛開始就怒睡覺十個小時,起床之後就看了看雷達回波圖
,有大面積的25~30dbZ回波移入,部分地區有40dbZ,想起Marshall-Palmer distributi
on假設下的雷達回波因子和降雨量的關係Z=200*R^1.6 ,40dbZ下,Z=10000、R=11.5mm/h
r,這應該不算小。
http://i.imgur.com/VuEkNC3.jpg
http://i.imgur.com/C92pn3z.jpg
http://i.imgur.com/uyJZCPl.jpg
http://i.imgur.com/hRwrZ7x.jpg
但是看可見光和紅外線雲圖都不太像,測站也沒有降雨資訊。
http://i.imgur.com/jW6okmT.jpg
http://i.imgur.com/KJ6Yfi8.jpg
我只是大略的知道假回波有可能是太陽日出日落、冬季超折射的海浪回波、蟲群、鳥
群、飛機殘骸、軍事用干擾鋁片,看一下雷達回波的動畫很像是有一團東西被吹散了,很
好奇那是什麼?
更新,雷達回波動畫 :https://flic.kr/p/JmeKqM
--
,有大面積的25~30dbZ回波移入,部分地區有40dbZ,想起Marshall-Palmer distributi
on假設下的雷達回波因子和降雨量的關係Z=200*R^1.6 ,40dbZ下,Z=10000、R=11.5mm/h
r,這應該不算小。
http://i.imgur.com/VuEkNC3.jpg




http://i.imgur.com/jW6okmT.jpg


我只是大略的知道假回波有可能是太陽日出日落、冬季超折射的海浪回波、蟲群、鳥
群、飛機殘骸、軍事用干擾鋁片,看一下雷達回波的動畫很像是有一團東西被吹散了,很
好奇那是什麼?
更新,雷達回波動畫 :https://flic.kr/p/JmeKqM
--
Tags:
颱風
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