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valley cold pools: a difficult-to-predict source of hazardous weather

valley cold pools: a difficult-to-predict source of hazardous weather. Heather Dawn Reeves Forecast Research and Development Division. 1. FOG. WIND STORMS. POLLUTION. FREEZING RAIN. 2. 281. 283. 285 K. 2-m temperature: day 1. 1. cold air surge 2. mid-level warm-air advection

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valley cold pools: a difficult-to-predict source of hazardous weather

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  1. valley cold pools: a difficult-to-predict source of hazardous weather Heather Dawn Reeves Forecast Research and Development Division 1

  2. FOG WIND STORMS POLLUTION FREEZING RAIN 2

  3. 281 283 285 K 2-m temperature: day 1 1. cold air surge 2. mid-level warm-air advection 3. upper-level high pressure ridge 4. upper-level low pressure center 3

  4. 281 283 285 K 2-m temperature: day 3 4

  5. 281 283 285 K 2-m temperature: day 3 5

  6. 281 283 285 K 2-m temperature: day 5 6

  7. 281 283 285 K 2-m temperature: day 7 7

  8. 281 283 285 K 2-m temperature: day 7 + 12 h 8

  9. persistent valley cold pools: 2006/07 9

  10. persistent valley cold pools: 2006/07 10

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