Weathersymbol choise

Last updated 6 years ago

First published 14 November, 2017

This is a decision tree for selecting possible weather symbols, based on MOS conditions

English Rating: ALL ages Shortest path: 7 nodes Longest path: 19 nodes Possible solutions: 18

John Havinga

RRh ELNO 1405 at 18:00 UTC <0.3 MM. No. Yes.
Wwh ELNO 1303 at 18:00 UTC = "00" or "01" or "02" or "03". NO. Yes.
Is RsunD ELNO 1462 > 70. No. Yes.
A.
Is RsunD ELNO 1462 > 15. Yes. No.
B.
C.
Is Wwh ELNO 1303 at 18:00 UTC = "40 - 49". Yes. No.
Follow decision A/B or C.
Is D_NTS ELNO 1137 at 18:00 UTC <= 0 AND AVERAGE of T5cm ELNO 1138 in period [07-18] UTC <= 0). No. Yes.
D.
K.
Is wwh ELNO 1303 at 18:00 UTC """60 - 65"" or ""50 -55"" or ""80"" or ""81"" or ""82"". Yes. No.
Is RsunD ELNO 1462 > 15. Yes. No.
E.
I.
Is wwh ELNO 1303 at 18:00 UTC ""91 - 99"". Yes. No.
F.
Is wwh ELNO 1303 at 18:00 UTC ""68, 69"" or ""83, 84"" or IF ww3 in period [07-18] UTC is a combination of ""50-55/ 60-65/80-82"" AND ""70-79/85,86"". Yes. No.
Is RsunD ELNO 1462 > 15. Yes. No.
G.
L.
Is wwh ELNO 1303 at 18:00 UTC ""87-90"". Yes. No.
H.
Is wwh ELNO 1303 at 18:00 UTC ""70-79"" or ""85,86"". Yes. No.
Is RsunD ELNO 1462 > 15. Yes. No.
M.
J.
Is wwh ELNO 1303 at 18:00 UTC "56" or "57" or "66" or "67". Yes. No.
E.
Is D_NTS ELNO 1137 at 18:00 UTC <= 0 AND AVERAGE of T5cm ELNO 1138 in period [07-18] UTC <= 0). NO. Yes.
K.
Is RsunD ELNO 1462 > 15. Yes. No.
E.
I.