EVENT LEVEL (SirenType)
Event Code Standard
Warning Watch Statement Test
Ignore
(A1) (A2) (A3) (A4)
911 Telephone Outage Emergency
TOE
Civil Danger Watch CDA
Radiological Hazard Watch RHA
Hazardous Material Watch HMA
Winter Storm Watch WSA
High Wind/Dust Storm Watch HWA
Tornado Watch TOA
Severe Thunderstorm Watch SVA
Flash Flood Watch FFA
Flood Watch FLA
Hurricane/Tropical Storm Watch HUA
Tsunami Watch TSA
Coastal Flood Watch CFA
Avalanche Watch AVA
Volcano Watch VOA
Dust Storm Watch DSA
Tropical Storm Watch TRA
Severe Weather Statement SVS
Special Weather Statement SPS
Flash Flood Statement FFS
Flood Statement FLS
Hurricane Statement HLS
Missing Child Statement MIS
School Closing Statement SCS
National Periodic Test NPT
Required Monthly Test RMT
Required Weekly Test RWT
System Demonstration/Practice
DMO
Nuclear Power Plant Test Message
NPM
Administrative Message ADR
Network Message Notification NMN
Transmitter Backup On TXB
Transmitter Primary On TXP
Transmitter Radiate Off TXF
Transmitter Radiate On TXO
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