Download
1 / 11
110 likes | 182 Views
Explore the elusive nature of valley cold pools, a challenging source for unpredictable and hazardous weather conditions. Join Heather Dawn Reeves, a specialist from the Forecast Research and Development Division, as she delves into the complexities of forecasting fog, wind storms, pollution, and freezing rain caused by these phenomena. Discover the intricacies behind cold air surges, mid-level warm-air advection, upper-level pressure formations, and the impact of valley cold pools on temperature variations. Gain insights into the persistent nature of these cold pools in 2006/07 and their long-lasting effects on weather patterns. Stay informed and prepared for the unexpected with this informative guide.
E N D
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 3. upper-level high pressure ridge 4. upper-level low pressure center 3
281 283 285 K 2-m temperature: day 3 4
281 283 285 K 2-m temperature: day 3 5
281 283 285 K 2-m temperature: day 5 6
281 283 285 K 2-m temperature: day 7 7
281 283 285 K 2-m temperature: day 7 + 12 h 8
