roger a. pielke, jr. center for science and technology policy research university of colorado/cires,...
TRANSCRIPT
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
Forecasts and Responsibilities in the1997 Red River Floods
Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/[email protected]
COMETBoulder, CO3 December 2001
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
Outline
I. IntroductionII. ContextIII. 1997 Red River FloodsIV. LessonsVI. Concluding Thoughts
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
“We only learn from experience that whilethe forecasting efforts of a charlatan are judged by their occasional successes, it is the occasionalfailures of a governmental department whichare remembered against it.”
Sir Gilbert Walker (1935)
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
Some definitions:
Uncertainty: Occurs when more than one outcomeis consistent with expectations Pielke (2001)
Communication: Who, say What, to Whom, How, and with What EffectLasswell (1948)
Forecast: A combination of an EVENT anda PROBABILITY Fischoff (1994)
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
“The decision making process is best served when uncertainty is communicated as precisely as possible, but no more precisely than warranted"
(Budescu and Wallsten 1987, 76)
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
1997 Red River Floods
•US$1-$2 billion in total damages•Greatest per capita losses in US history•4 deaths (none in Grand Forks)
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
“With proper advance notice we could have protected the city to almost any elevation . . . if we had known [the final flood crest in advance], I'm sure that we could have protected a majority of the city”
Grand Forks city engineer Ken Vein4 May 1997
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
"They [NWS] missed it, and they not only missed it, they blew it big”
Lynn Stauss, Mayor East Grand Forks28 April 1997
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
“The inability to get realistic flood numbers certainly hindered the communities' ability to prepare”
U.S. Representative Earl Pomery (D-ND)4 May 1997
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
Placing the 1997 outlook into historical context, indicates that the 1997 prediction was worse than average in terms of feet, but perhaps more importantly, better than average in terms of percentage.
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
Understandings of the Flood Predictions
•Early outlook: 47.5 feet and 49 feet•Interpretation of the outlook
•Range•Not-to-be-exceeded•Exact•Uncertain (by how much?)
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
"[NWS] experts are still forecasting a maximum 49-foot crest for the Red at East Grand Forks”
The Grand Forks Herald8 April 1997
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
Chronology of 1997 Flood Forecasting at East Grand Forks
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
Other explanations:
•“The NWS Blew It”•“An $800 Million Dollar Miscommunication”
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
Red River, E. Grand Forks
USGS
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
Wallsten et al. 1986
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
Heideman et al. 1993
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
Predict Communicate Decide
The Linear Model of Prediction
• Product focused
• Pipeline metaphor
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
• Process focused• Decision Focused• Symphony metaphor
Hooke and Pielke (2000)
An Alternative
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
•We must move beyond the linear -- “end-to-end” -- conception of the relationship of prediction with decision.
•Think symphony orchestra not assembly line!!!
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
“Results from a preliminary Departmentof Interior investigation laid the blame not on the precision of the data or theaccuracy of the calculations but on matters of human judgment. The factthat strong prevailing winds were on thehorizon was left out of a National WeatherService report, and no one asked for themissing data. Compounding this oversight,planners at Bandelier underestimated the potential complexity of the situation – how many people and how much equipmentthey would need if the fire didn't behave asit was supposed to.” New York Times, 21 May 2000
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3 Dec 2001 Roger A. Pielke, Jr.Center for Science and Technology Policy ResearchUniversity of Colorado/CIRES, Boulder, Colorado, USA
Red River Flood: Conclusions
•Forecasts share information, NOT for compellingparticular decisions
•Communication of forecasters’ completeknowledge is lacking
•Whose responsibility?•Product Development Lab?