Alert Administrative Message
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
471 NOUS42 KWNO 120849 ADMSDM SENIOR DUTY METEOROLOGIST NWS ADMINISTRATIVE MESSAGE NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD 0849Z WED NOV 12 2025 CRITICAL WEATHER DAY STATUS... Critical Weather Day continues through 1200Z Thu Nov 13 in support of space weather operations, with severe (G4) geomagnetic storm activity expected. CRITICAL WEATHER OUTLOOK... Wednesday - Critical...Space Weather. Thursday - None. Friday - None. Renkevens/SDM/NCO/NCEP