Vaisala IRIS - Figure 71 Present Weather (METAR Text-To-Symbol Matching)

In the following figure, blue numbers in upper-left corner of white boxes indicate the priority
for plotting in event more than one symbol is possible (symbols in gray boxes have no
corresponding METAR present weather text). For graphical representation of METARs using
this table, see http://www.rap.ucar.edu/weather/surface/
0
00
10
20
30
40
50
60
70
80
90
1 2 3 4 5 6 7 8 9
Matching of METAR present weather text to symbol in table below is not necessari
ly endorsed by the National Weather Service or the World Meteorological
Organization. Blue numbers in upper-left corner of white boxes indicate the pri
ority for plotting in event more than one symbol is possible (symbols in gray
boxes have no corresponding METAR present weather text). Graphical representati
on of METARs using this table found at http://www.rap.ucar.edu/weather/surface/
Present Weather
FU
VA
HZ DU SA
BLSA
VCBLSA
BLDU
VCBLDU
BLPY
PO
VCPO
VCSS
VCDS
FC
+FC
SQTSVCSHVIRGAVCTSMIFGBR
SS
DRSA
DS
DRDU
VCFG BCFG PRFG FG FZFG
DZ RA
+DZ RA
DZ +RA
+DZ +RA
DZ -RA
-DZ RA
-DZ -RA
FZDZ
+FZDZ
-FZDZ+DZDZ-DZ
-RA RA +RA -FZRA FZRA
+FZRA
-RA -SN
-RA SN
-DZ -SN
-DZ SN
RA SN
+RA SN
RA +SN
+RA +SN
DZ SN
+DZ SN
DZ +SN
+DZ +SN
PL
PE
SHPL
SHPE
ICSGUP+SNSN-SN
SH
+SH
SHRA
+SHRA
-SH
-SHRA
-SHRA SN
-SHSN RA
-SHRA -SN
-SHSN -RA
SHRA SN
SHSN RA
+SHRA SN
+SHSN RA
-SHSN SHSN
+SHSN
-GS
-SHGS
GS
SHGS
+GS
+SHGS
-GR
-SHGR
TSRA
TSSN
TSPL
TSGR
TSGS
+TSRA
+TSSN
+TSPL
+TSGS
+TSGR
any TS
and
any SA or DU
GR
SHGR
+GR
+SHGR
+SS +DS BLSN
VCBLSN
DRSN
(METAR text-to-symbol matching)
12
9 121314
5157
10
5354
46 42 39
374144
4043 36 32 19 31 20
1716182930
8 7
6 54
27283845
15
22 35 34
25262324
21
55 52
48 47
49
3 59
5056
11
58 33
Figure 71 Present Weather (METAR text-to-symbol matching)
#4 Visibility
This code is a 2-digit shorthand for a somewhat logarithmic scale, as shown in Table 19
(page 196).
Chapter 5 – Configuring and Scheduling Optional IRIS Products
RESTRICTED 195