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Flash Flood “Hot Spot” Climatology Michael Moneypenny, National Weather Service, Raleigh, NC Jamie Wirth, North Carolina

Flash Flood “Hot Spot” Climatology Michael Moneypenny, National Weather Service, Raleigh, NC Jamie Wirth, North Carolina State University. Project History. Part of a larger collaborative COMET program between NCSU and NWS to study inland flooding from tropical systems

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Flash Flood “Hot Spot” Climatology Michael Moneypenny, National Weather Service, Raleigh, NC Jamie Wirth, North Carolina

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  1. Flash Flood “Hot Spot” ClimatologyMichael Moneypenny, National Weather Service, Raleigh, NCJamie Wirth, North Carolina State University

  2. Project History • Part of a larger collaborative COMET program between NCSU and NWS to study inland flooding from tropical systems • “Hot Spots” are not limited to tropical flooding, so their identification has year-round application

  3. Motivation • Average of 80 deaths annually in the U.S. • Deaths are primarily due to folks driving into flooded areas • Most problem areas are well-known to local emergency officials For Example…

  4. Approaching Hardy Creek on Mt Zion Road

  5. Hardy Creek Bridge on Mt Zion Road

  6. Methodology • Contact Emergency Managers in each county as well as local (city/town) officials • Fact-to-face meetings to locate and discuss peculiarities of each “hot spot” • Visit the ‘hottest’ “hot spots” personally to gather detailed information & pictures

  7. Hardy Creek on Old Cottonville Rd

  8. Hmmmmm…No Guardrail!!! Creek partially dammed Hardy Creek Bridge on Old Cottonville Rd

  9. Problems We Encountered • Difficulty finding time to visit the (31) counties – we tried to send 2 individuals on each trip to stimulate the staff’s enthusiasm • Counties were at different levels of GIS technology – 1) topo maps we hand-annotated during the visit, 2) large poster-sized maps (also often hand-annotated), 3) shapefiles

  10. Problems - continued • Definition of “hot” – “Someone said this bridge flooded back in ’73…etc”

  11. The Work in ProgressDisplaying The Information • AWIPS Graphics - basically just a point and a name Text - a reference file on text workstations contains great detail ‘cut-and-paste’ into statements • Intranet

  12. Dispatchers are not always aware of the problem areas – Stanly County rescued 4 individuals after our SOO requested that a unit be sent to one of the ‘hot spot’ locations we had mapped into AWIPs Proof of Concept

  13. Questions?!?

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