The Oklahoma Flash Drought
of Summer 2000
Case Study
Case Study Page
Exercise Data

1. View the rainfall accumulation and Keetch-Byram Drought Index movies for June and July. Describe the soil moisture conditions across the state at the end of July.   Answer

2. Compare the rainfall accumulation maps with the Visual Greenness and Relative Greenness maps to assess the evolution of the vegetation across Oklahoma over June and July.  Answer

3. Examine the rainfall products, the Keetch-Byram Drought Index, and the 3:00 p.m. runs of the Oklahoma Fire Danger Model through the month of August. When do you think the drought began.   Answer

4. The wildfire emergencies occurred from about September 15 through September 22. Examine the Oklahoma Fire Danger Model products from this time period to ascertain the difficulty in controlling these fires.   Answer

5. The first significant rainfall across Oklahoma occurred on September 23. Did this rainfall end the drought?   Answer

6. Other periods of rainfall occurred during the month of October. Use the available products from October to determine when:

  • the meteorological drought ended.
  • the agricultural drought ended.
  • the hydrological drought ended.

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