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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

Code: FLS

Severity: ADVISORY

Code: HMW

Severity: WARNING

Code: HWW

Severity: WARNING

Code: HWA

Severity: WATCH

Code: HUW

Severity: WARNING

Code: HUA

Severity: WATCH

Code: HLS

Severity: ADVISORY

Code: LEW

Severity: WARNING

Code: LAE

Severity: EMERGENCY

Code: NMN

Severity: ADVISORY

Code: TOE

Severity: EMERCENCY

Code: NUW

Severity: WARNING

Flood Statement

Hazardous Materials Warning

High Wind Warning

High Wind Watch

Hurricane Warning

Hurricane Watch

Hurricane Statement

Law Enforcement Warning

Local Area Emergency

Network Message Notification

911 Telephone Outage Emergency

Nuclear Power Plant 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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