fema-usgs riverine hazus project h. e. “gene” longenecker, iii senior physical scientist, fema...
TRANSCRIPT
FEMA-USGS Riverine Hazus Project
H. E. “Gene” Longenecker, III
Senior Physical Scientist, FEMA Modeling Task Force
FEMA Lab Risk Analytics Stakeholder Meeting
Monday, July 27, 2015
H. E. “Gene” Longenecker, III
Senior Physical Scientist, FEMA Modeling Task Force
FEMA Lab Risk Analytics Stakeholder Meeting
Monday, July 27, 2015
Overview
• Background: CFLA, DART• Web-Based Riverine Hazus• Live demonstration• Links
Background
• Compilation of rapidly-accessible deterministic inundation maps and corresponding losses
• Coastal Flood Loss Atlas – hurricane storm surges from NHP/NHC SLOSH modeling
• NOAA PMEL MOST modeling• Forecast Inundation Modeling (reference grids)• DART buoys (gage/observations)
• Why not do this for river gages?
Web-Based Riverine Hazus
• Collaborative effort primarily between FEMA R4 and USGS Eastern Geographic Science Center, also includes NWS (AHPS inundation sites)• NWS forecasts/hydrology for stage height and flow• USGS river gage locations• FEMA Hazus analyses• Originally 2 sites, then 60, now several hundred
• Results maintained in USGS static inundation databases and web mappers
Web-Based Riverine Hazus• Coordinating with
USGS, NWS, and USACE, R-IV conducts Hazus analyses for numerous NWS river forecast centers nation-wide.
• USGS programs results for web application and use.
July 1994 Flooding in Albany, GA
• 17 inches+ of rain from TS Alberto• Hundreds of millions in damages• ~23,000 people evacuated
Web-Based Riverine Hazus
• First demo web app rolled out for Albany, GA in 2011
• Prototype national web app expanding rapidly due to interest from state/local EMs
Web-Based Riverine Hazus
• Current app displays:
• Inundation polygons at 1-foot intervals up to historic flood stage;
• Hazus loss estimations in polygon format;
• Hazus loss estimation reports;
• Soon to be linked to NWS AHPS…
Websites
• NWS AHPS Albany, GA inundation site:• http://water.weather.gov/ahps2/inundation/inundation_google.php?g_datatype=depth&wfo
=tae&gage=abng1
• Web Map App for Iowa City, IA (level 2+ Hazus integration):• http://wim.usgs.gov/FIMI/FloodInundationMapper.html?siteno=05454500
• USGS Flood Inundation Mapping Webpage with project schematics:• http://water.usgs.gov/osw/flood_inundation/toolbox/hazus.html
• Project description PPT:• http://www.usehazus.com/docs/real-time-flood-modeling-application.pdf
• Emergency Management article:• http://www.emergencymgmt.com/disaster/Real-Time-Flood-Risk-Data-Hazus.html
