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Event Codes

National Codes (Required)

Emergency Action Notification

(National only)

Code: EAN

Severity: EMERGENCY

National Information Center

Code: NIC

Severity: ADVISORY

National Periodic Test

Code: NPT

Severity: TEST

Required Monthly Test

Code: RMT

Severity: TEST

Required Weekly Test

Code: RWT

Severity: TEST

State and Local Codes (Optional)

Administrative Message

Code: ADR

Severity: ADVISORY

Avalanche Warning

Code: AVW

Severity: WARNING

Avalanche Watch

Code: AVA

Severity: WATCH

Blizzard Warning

Code: BZW

Severity: WARNING

Blue Alert

Code: BLU

Severity: ADVSORY

Child Abduction Emergency

Code: CAE

Severity: EMERGENCY

Civil Danger Warning

Code: CDW

Severity: WARNING

Civil Emergency Message

Code: CEM

Severity: EMERGENCY

Coastal Flood Warning

Code: CFW

Severity: WARNING

Coastal Flood Watch

Code: CFA

Severity: WATCH

Dust Storm Warning

Code: DSW

Severity: WARNING

Earthquake Warning

Code: EQW

Severity: WARNING

Evacuation Immediate

Code: EVI

Severity: EMERGENCY

Extreme Wind Warning

Code: EWW

Severity: WARNING

Fire Warning

Code: FRW

Severity: WARNING

Flash Flood Warning

Code: FFW

Severity: WARNING

Flash Flood Watch

Code: FFA

Severity: WATCH

Flash Flood Statement

Code: FFS

Severity: ADVISORY

Flood Warning

Code: FLW

Severity: WARNING

Flood Watch

Code: FLA

Severity: WATCH

Flood Statement

Code: FLS

Severity: ADVISORY

Hazardous Materials Warning

Code: HMW

Severity: WARNING

High Wind Warning

Code: HWW

Severity: WARNING

High Wind Watch

Code: HWA

Severity: WATCH

Hurricane Warning

Code: HUW

Severity: WARNING

Hurricane Watch

Code: HUA

Severity: WATCH

Hurricane Statement

Code: HLS

Severity: ADVISORY

Law Enforcement Warning

Code: LEW

Severity: WARNING

Local Area Emergency

Code: LAE

Severity: EMERGENCY

Network Message Notification

Code: NMN

Severity: ADVISORY

911 Telephone Outage Emergency

Code: TOE

Severity: EMERCENCY

Nuclear Power Plant Warning

Code: NUW

Severity: WARNING

Practice/Demo Warning

Code: DMO

Severity: TEST

Radiological Hazard Warning

Code: RHW

Severity: WARNING

Severe Thunderstorm Warning

Code: SVR

Severity: WARNING

Severe Thunderstorm Watch

Code: SVA

Severity: WATCH

Severe Weather Statement

Code: SVS

Severity: ADVISORY

Shelter in Place Warning

Code: SPW

Severity: WARNING

Special Marine Warning

Code:SMW

Severity: WARNING

Special Weather Statement

Code: SPS

Severity: ADVISORY

Storm Surge Watch

Code: SSA

Severity: WATCH

Storm Surge Warning

Code: SSW

Severity: WARNING

Tornado Warning

Code: TOR

Severity: WARNING

Tornado Watch

Code:TOA

Severity: WATCH

Tropical Storm Warning

Code: TRW

Severity: WARNING

Tropical Storm Watch

Code:TRA

Severity: WATCH

Tsunami Warning

Code: TSW

Severity: WARNING

Tsunami Watch

Code: TSA

Severity: WATCH

Volcano Warning

Code: VOW

Severity: WARNING

Winter Storm Warning

Code: WSW

Severity: WARNING

Winter Storm Watch

Code: WSA

Severity: WATCH

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