International Sigmet / Convective Sigmet
Issued by NWS
Issued by NWS
Versions:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
874 WSUS33 KKCI 290855 SIGW MKCW WST 290855 CONVECTIVE SIGMET 20W VALID UNTIL 1055Z CO UT FROM 30E JNC-50W HBU-20N DVC-30WSW JNC-30E JNC AREA TS MOV FROM 28015KT. TOPS TO FL450. OUTLOOK VALID 291055-291455 TS ARE NOT EXPD TO REQUIRE WST ISSUANCES.