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:
- IPAWS dataset from June 1, 2012 to November 30, 2020
- As of May 27, 2020 approximately 1,504 Alert Originators authorized to use IPAWS
- Does not include non-IPAWS EAS activations through state or local systems
- Partial year: June 1 to December 31, 2012
- Partial year: January 1 to November 30, 2020
- Source: OpenFEMA Dataset: IPAWS Archived Alerts V1
Event
CodeEvent Description Type Year
Added2012 2013 2014 2015 2016 2017 2018 2019 2020 Unique Originators 18 54 66 97 124 168 225 293 428 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 68 RWT Required Weekly Test M 1994 12 35 42 49 60 68 98 138 128 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 10 AVA Avalanche Watch O 2002 1 AVW Avalanche Warning O 2002 2 1 1 BLU Blue Alert O 2017 6 5 CAE Child Abduction Emergency O 2002 2 5 8 17 17 19 23 28 30 CDW Civil Danger Warning O 2002 3 7 6 7 12 23 CEM Civil Emergency Message O 1994 2 4 8 14 27 32 40 57 139 DMO Practice/Demo O 1994 1 5 7 5 1 3 1 7 12 EQW Earthquake Warning O 2002 1 1 1 5 EVI Immediate Evacuation O 1994 1 1 1 3 8 17 21 28 47 FRW Fire Warning O 2002 3 3 8 17 23 18 45 HMW Hazardous Materials Warning O 2002 2 2 2 8 3 LAE Local Area Emergency O 2002 3 8 20 27 45 68 81 138 LEW Law Enforcement Warning O 2002 1 9 7 14 21 35 55 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 22 TOE 911 Telephone Outage Emergency O 2002 1 3 1 3 7 7 3 13 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 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 1 HUW Hurricane Warning W 1994 1 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 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