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of May 3-4, 1999 Exercise |
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1.
Look at the moisture fields observed by the Mesonet between 1:00 and 5:00 p.m. What changes occur over the state during this time period?
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2.
What happens to the temperature and wind fields during the corresponding time periods?
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3.
Look at the Mesonet data plots (solar radiation, dew point, temperature, and winds) at 4:00 p.m. What is occuring between Ardmore and Chickasha?
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4.
If you had to guess where the first storms might be located based solely on Mesonet data, where would they be? Check your guess with the reflectivity images from the Frederick radar and with the radar mosaics.
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5.
Look at the Oklahoma City radar reflectivity between 7:30 and 9:30 p.m. What happens to the Moore storm and why?
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6.
Compare the Oklahoma City radar reflectivity and storm relative velocity products in north central Oklahoma at 10:30 p.m. and midnight. How many mesocyclones are evident?
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7.
To complicate matters on this day, the WSR-88D units at Wichita, KS, and Tulsa, OK, were out of service. How would this affect your decisions between 7:30 and 10:30 p.m. if you were the emergency manager in Sedgwick County, KS?
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8. Weather threats other than tornadoes affected northeast Oklahoma on Tuesday, May 4. While not making the national headlines, the affected counties were part of the federal disaster declaration. Look at the products available between midnight and noon on Tuesday, May 4 to discern this threat. |
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