1. USING CLIMATOLOGY TO FORECAST THUNDERSTORMS IN SOUTHEAST COLORADO Stan Rose, Meteorologist, National Weather Service, Pueblo, CO

3. Microburst Winds

4. Damaging Winds Thunderstorms can produce strong damaging wind gusts up to 100 mph. Cold dense rain cooled air accelerates down from the thunderstorm base and spreads outward along the ground creating strong outflow winds.

5. Aircraft Induced Lightning

6. Thunderstorms Ingredients for a Thunderstorm – Moisture – Instability – Lift Sun warms the ground and the air begins to rise (convection) Clouds form and build into thunderstorms as moisture condenses within the rising bubbles of air

7. NWS Pueblo’s County Warning and Forecast Area

8. Severe Winds, Southeast Colorado

9. Time of Severe Weather

10. Lightning Flash Density

11. The Monsoon

12. Annual Lightning Density, Southeast Colorado

13. Lightning Flash Density COS PUB

14. Lightning Density: June COS PUB

15. Lightning Density: August COS PUB

16. Lightning Density: September COS PUB

17. Lightning Density: October COS PUB

18. Lightning Density: 17Z COS PUB

19. Lightning Density: 18Z COS PUB

20. Lightning Density: 19Z COS PUB

21. Lightning Density: 22Z COS PUB

22. Lightning Density: 01Z COS PUB

23. Lightning Density: 03Z COS PUB

24. Lightning Density: March COS PUB

25. L March 23, 2010 8 pm MDT IR satellite

26. Radar, 8:48pm

27. METARs 10 pm MST

30. July 14, 2011 00Z

31. TAFS: For Colorado Springs, Pueblo: August KCOS 081200Z 0812/1612 36008KT P6SM FEW100 SCT200 FM081600 14010KT P6SM SCT100 SCT150 FM082100 16012KT P6SM VCTS SCT070CB BKN100 FM090100 07012KT P6SM SCT060 BKN120 KPUB 081200Z 0812/0912 30007KT P6SM SCT200 FM081600 12010KT P6SM SCT120 SCT200 FM082200 12015KT P6SM VCTS SCT080CB BKN120 FM090100 09012KT P6SM FEW080 SCT150

32. THAT’S ALL FOLKS!!