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August 19, 1997 |
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1. You can use the 10-year, 3-hour return period maps as a rule-of-thumb value of rainfall required to produce flooding in the absence of other information. Determine the 10-year, 3-hour return period value for your location. Answer |
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2. How much rain is needed to produce flash flooding for Tulsa County in a one-hour period? In a three-hour period? In a six-hour period? Answer |
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3. How much rain is expected in the affected area for each six-hour period of the forecast? Do any of these exceed the six-hour flash flood guidance threshold? Answer |
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4. Does the River Forecast Center indicate any reason for concern? If so, what are their concerns? Answer |
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5. What scenarios might lead you to expect a heavy rainfall event? Answer |
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6. What antecedent conditions may affect flood estimates? Answer |
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7. Are there structures or behavior of storms which could be significant? Answer |
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8. What basin characteristics could change the flood estimate based on a given rainfall? Answer |
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9. What conditions might lead to a radar's overestimate of precipitation? Underestimate? Answer |
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OK-FIRST Project,
Oklahoma Climatological Survey,
100 East Boyd Street, Suite 1210,
Norman, OK 73019.
Copyright © 1996-2005 Oklahoma Climatological Survey. All Rights Reserved. Send comments or questions concerning OK-FIRST to okfirst@mesonet.org |
