grib variables for NCL

From: Chad Wiersema (chazmonian AT yahoo.com)
Date: Mon Jul 11 2005 - 17:48:01 MDT


How would i go about finding variables for NCL in a
NOAA grib file?

i have wgrib to view information, but cant seem to
find the variable. Here are the results from wgrib.

C:\grib>wgrib wna.wind.grb -s
1:0:d=05050606:WIND:sfc:anl:NAve=0
2:57092:d=05050606:WIND:sfc:3hr fcst:NAve=0
3:114184:d=05050606:WIND:sfc:6hr fcst:NAve=0
4:175822:d=05050606:WIND:sfc:9hr fcst:NAve=0
5:237460:d=05050606:WIND:sfc:12hr fcst:NAve=0
6:299098:d=05050606:WIND:sfc:15hr fcst:NAve=0
7:360736:d=05050606:WIND:sfc:18hr fcst:NAve=0
8:422374:d=05050606:WIND:sfc:21hr fcst:NAve=0
9:484012:d=05050606:WIND:sfc:24hr fcst:NAve=0
10:545650:d=05050606:WIND:sfc:27hr fcst:NAve=0
11:607288:d=05050606:WIND:sfc:30hr fcst:NAve=0
12:668926:d=05050606:WIND:sfc:33hr fcst:NAve=0
13:730564:d=05050606:WIND:sfc:36hr fcst:NAve=0
14:792202:d=05050606:WIND:sfc:39hr fcst:NAve=0
15:853840:d=05050606:WIND:sfc:42hr fcst:NAve=0
16:910932:d=05050606:WIND:sfc:45hr fcst:NAve=0
17:968024:d=05050606:WIND:sfc:48hr fcst:NAve=0
18:1029662:d=05050606:WIND:sfc:51hr fcst:NAve=0
19:1091300:d=05050606:WIND:sfc:54hr fcst:NAve=0
20:1152938:d=05050606:WIND:sfc:57hr fcst:NAve=0
21:1214576:d=05050606:WIND:sfc:60hr fcst:NAve=0
22:1276214:d=05050606:WIND:sfc:63hr fcst:NAve=0
23:1337852:d=05050606:WIND:sfc:66hr fcst:NAve=0
24:1399490:d=05050606:WIND:sfc:69hr fcst:NAve=0
25:1456582:d=05050606:WIND:sfc:72hr fcst:NAve=0
26:1513674:d=05050606:WIND:sfc:75hr fcst:NAve=0
27:1570766:d=05050606:WIND:sfc:78hr fcst:NAve=0
28:1627858:d=05050606:WIND:sfc:81hr fcst:NAve=0
29:1684950:d=05050606:WIND:sfc:84hr fcst:NAve=0
30:1742042:d=05050606:WIND:sfc:87hr fcst:NAve=0
31:1799134:d=05050606:WIND:sfc:90hr fcst:NAve=0
32:1856226:d=05050606:WIND:sfc:93hr fcst:NAve=0
33:1913318:d=05050606:WIND:sfc:96hr fcst:NAve=0
34:1970410:d=05050606:WIND:sfc:99hr fcst:NAve=0
35:2027502:d=05050606:WIND:sfc:102hr fcst:NAve=0
36:2084594:d=05050606:WIND:sfc:105hr fcst:NAve=0
37:2141686:d=05050606:WIND:sfc:108hr fcst:NAve=0
38:2198778:d=05050606:WIND:sfc:111hr fcst:NAve=0
39:2255870:d=05050606:WIND:sfc:114hr fcst:NAve=0
40:2312962:d=05050606:WIND:sfc:117hr fcst:NAve=0
41:2370054:d=05050606:WIND:sfc:120hr fcst:NAve=0
42:2427146:d=05050606:WIND:sfc:123hr fcst:NAve=0
43:2484238:d=05050606:WIND:sfc:126hr fcst:NAve=0
44:2541330:d=05050606:WIND:sfc:129hr fcst:NAve=0
45:2598422:d=05050606:WIND:sfc:132hr fcst:NAve=0
46:2655514:d=05050606:WIND:sfc:135hr fcst:NAve=0
47:2712606:d=05050606:WIND:sfc:138hr fcst:NAve=0
48:2769698:d=05050606:WIND:sfc:141hr fcst:NAve=0
49:2826790:d=05050606:WIND:sfc:144hr fcst:NAve=0
50:2883882:d=05050606:WIND:sfc:147hr fcst:NAve=0
51:2940974:d=05050606:WIND:sfc:150hr fcst:NAve=0
52:2998066:d=05050606:WIND:sfc:153hr fcst:NAve=0
53:3055158:d=05050606:WIND:sfc:156hr fcst:NAve=0
54:3112250:d=05050606:WIND:sfc:159hr fcst:NAve=0
55:3169342:d=05050606:WIND:sfc:162hr fcst:NAve=0
56:3226434:d=05050606:WIND:sfc:165hr fcst:NAve=0
57:3283526:d=05050606:WIND:sfc:168hr fcst:NAve=0
58:3340618:d=05050606:WIND:sfc:171hr fcst:NAve=0
59:3397710:d=05050606:WIND:sfc:174hr fcst:NAve=0
60:3454802:d=05050606:WIND:sfc:177hr fcst:NAve=0
61:3511894:d=05050606:WIND:sfc:180hr fcst:NAve=0

I have tried

in = addfile("wna.WIND.grb","r") : this loads fine

t=in->WIND : this says fatal not a variable in file

any suggestions?

thanks,
chad

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