1997 – Houston named one of the first 4 MMRS (Metropolitan Medical Response System) cities in the nation
The HRG (Hospital Receiving Group) is formed with the “big 8” hospitals in Houston
2001 – Tropical Storm Allison and 9-11 spurs growth that creates HAHEMC (Houston Area Hospital Emergency Management Collaborative)
2002 – The Regional Emergency and Hospital Preparedness Council is formed
2005 – Response to Hurricanes Katrina and Rita prompts the development of the Disaster Unified Medical Command, later renamed the Catastrophic Medical Operations Center.
2012 – RHPC integrates with the SouthEast Texas Regional Advisory Council (SETRAC) becoming the preparedness committee of SETRAC. The Regional Hospital Preparedness Council becomes the Regional Healthcare Preparedness Coalition.
2017 – When Hurricane Harvey made landfall in Texas Aug. 25, 2017, as a Category 4 hurricane.
2019 – Tropical Storm Imelda was the fifth-wettest tropical cyclone on record in the continental United States, causing devastating and record-breaking floods in southeast Texas.