1 / 18

WINTER WEATHER

WINTER WEATHER. Freezing rain Dangerous Costly Potentially deadly http://www.usatoday.com/weather/news/2000/wice1228.htm http://www.usatoday.com/weather/wice98.htm Special “subset” of overrunning Shallow layer of sub-freezing air along the ground. WINTER WEATHER. WINTER WEATHER.

sshipman
Télécharger la présentation

WINTER WEATHER

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. WINTER WEATHER • Freezing rain • Dangerous • Costly • Potentially deadly • http://www.usatoday.com/weather/news/2000/wice1228.htm • http://www.usatoday.com/weather/wice98.htm • Special “subset” of overrunning • Shallow layer of sub-freezing air along the ground

  2. WINTER WEATHER

  3. WINTER WEATHER

  4. WINTER WEATHER

  5. WINTER WEATHER

  6. WINTER WEATHER … ice ice baby Ice zone …… 850 mb T’s …. -> * -1 to +5 1000-500mb THK -> * 540 – 552dm * Depends on nature of cold air north of warm front

  7. WINTER WEATHER • Precipitation type • Depends on the thermal profile!

  8. WINTER WEATHER F Z R A P L S N R N

  9. WINTER WEATHER ICE PELLET SOUNDING

  10. WINTER WEATHER FREEZING RAIN SOUNDING

  11. WINTER WEATHER Sounding type?

  12. WINTER WEATHER Sounding type?

  13. WINTER WEATHER Sounding type?

  14. “COLD AIR DAMMING” COLD HIGH PRESSURE SYSTEM … air circulates clockwise around the high H CREST OF APPALACHIAN MOUNTAINS

  15. COLD AIR DAMMING WARM AIR ASCENDING COLD AIR COLD AIR DRIVEN SOUTH

  16. PRECIPITATION AROUND CYCLONE: WINTERDURING COLD AIR DAMMING More places receive icy precipitation due to COLD AIR DAMMING

  17. Special Case: Valleys of the West

  18. FREEZING RAIN EVENTS CLIMATOLOGY

More Related