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IPAWS Usage by Unique Alert Originators (COG ID)


The count of unique Integrated Public Alert & Warning System (IPAWS) Alert Originators (COG ID) using each EAS Event Code.
Notes:

Event
Code
Event Description Type Year
Added
2012 2013 2014 2015 2016 2017 2018 2019 2020
Unique Originators 18 54 66 97 124 168 225 293 348

Mandatory Events

Note: EAN, EAT, NIC and NPT used exclusively by Federal Emergency Management Agency. FEMA uses multiple COG IDs.
EAN Emergency Action Notification M 1994 1
EAT Emergency Action Termination M 1994
NIC National Information Center M 1994
NPT National Periodic Test M 1994 1 2 2 1 1
RMT Required Monthly Test M 1994 5 20 29 30 37 42 62 66 63
RWT Required Weekly Test M 1994 12 35 42 49 60 68 98 138 115

State and Local Events

Note: includes National Center for Missing & Exploited Children (AMBER alerts), U.S. Geological Survey (Earthquake Early Warning alerts), and a few large U.S. military bases (on-base alerting).
ADR Administrative message O 1994 8 8 6 13 11 13 12 7
AVA Avalanche Watch O 2002 1
AVW Avalanche Warning O 2002 2 1 1
BLU Blue Alert O 2017 6 2
CAE Child Abduction Emergency O 2002 2 5 8 17 17 19 23 28 23
CDW Civil Danger Warning O 2002 3 7 6 7 12 12
CEM Civil Emergency Message O 1994 2 4 8 14 27 32 40 57 111
DMO Practice/Demo O 1994 1 5 7 5 1 3 1 7 5
EQW Earthquake Warning O 2002 1 1 1 5
EVI Immediate Evacuation O 1994 1 1 1 3 8 17 21 28 12
FRW Fire Warning O 2002 3 3 8 17 23 18 17
HMW Hazardous Materials Warning O 2002 2 2 2 8 2
LAE Local Area Emergency O 2002 3 8 20 27 45 68 81 100
LEW Law Enforcement Warning O 2002 1 9 7 14 21 35 39
NMN Network Notification Message O 2002
NUW Nuclear Power Plant Warning O 2002 1 1 1 2
RHW Radiological Hazard Warning O 2002 1
SPW Shelter In-Place Warning O 2002 1 2 2 2 4 3 7 16 16
TOE 911 Telephone Outage Emergency O 2002 1 3 1 3 7 7 3 7
VOW Volcano Warning O 2002

Weather Events

Note: used (almost) exclusively by National Weather Service
NWS National Weather Service U 1 1 1 1 1 1 1 1
OTH National Weather Service U 1 1
BZW Blizzard Warning W 1994 1 1 1 1 1 1 1 1 1
CFA Coastal Flood Watch W 2002 1 1 1 1 1 1 1 1 1
CFW Coastal Flood Warning W 2002 1 1 1 1 1 1 1 1 1
DSW Dust Storm Warning W 2002 1 1 1 1 1 1 1 1 1
EWW Extreme Wind Warning W 2016 1 1
FFA Flash Flood Watch W 1994 1 1 1 1 1 1 1 1 1
FFS Flash Flood Statement W 1994 1 1 1 1 1 1 1 1 1
FFW Flash Flood Warning W 1994 1 1 1 1 1 1 1 1 1
FLA Flood Watch W 1994 1 1 1 1 1 1 1 1 1
FLS Flood Statement W 1994 1 1 1 1 1 1 1 1 1
FLW Flood Warning W 1994 1 1 1 1 1 1 1 1 1
HLS Hurricane Statement W 1994 1 1 1 1 1 1
HUA Hurricane Watch W 1994 1 1 1 1 1 1 1
HUW Hurricane Warning W 1994 1 1 1 1 1
HWA High Wind Watch W 1994 1 1 1 1 1 1 1 1 1
HWW High Wind Warning W 1994 1 1 1 1 1 1 1 1 1
SMW Special Marine Warning W 2002 1 1 1 1 1 1 1
SPS Special Weather Statement W 1994 1 1 1 1 1 1 1 1 1
SSA Storm Surge Watch W 2016 1 1 1 1
SSW Storm Surge Warning W 2016 1 1 1 1
SVA Severe Thunderstorm Watch W 1994 1 1 1 1 1 1 1 1 1
SVR Severe Thunderstorm Warning W 1994 1 1 1 3 1 1 1 1 1
SVS Severe Weather Statement W 1994 1 1 1 1 1 1 1 1 1
TOA Tornado Watch W 1994 1 1 1 1 1 1 1 1 1
TOR Tornado Warning W 1994 1 2 1 1 1 1 1 1 1
TRA Tropical Storm Watch W 2002 1 1 1 1 1 1 1 1 1
TRW Tropical Storm Warning W 2002 1 1 1 1 1 1 1 1 1
TSA Tsunami Watch W 1994 1 1 1 1
TSW Tsunami Warning W 1994 1 1
WSA Winter Storm Watch W 1994 1 1 1 1 1 1 1 1 1
WSW Winter Storm Warning W 1994 1 1 1 1 1 1 1 1 1


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