1
Air Masses, Fronts and Storms
Academic Excellence ShowcaseThursday, May 28
• Two points credit for each talk you attend in physical science– 8:00 to 10:30 AM, in NS 103
Energy and the Environment video productions– 1:00 to 4:30 PM, in NS 103
Potential for Megathrust Earthquake in Pacific Northwest• One point credit for every four Earth Science posters you
investigate in the Pacific Room of Werner Center– 11:30 AM to 1:30 PM
Earthquake hazards and mitigation in Pacific Northwest• Must submit worksheets/ summaries and attendance tickets
of each talk or poster for credit• Link to worksheets, instructions and proceedings
http://www.wou.edu/~brownk/ES106/AcademicExcellenceShowcase.2009.pdf
Canadian Air mass
Air masses Buffalo NY snow Lake Effect Snow belts
Maritime Polar Air Mass Warm Front Cold Front
2
Occluded Front—onset Occluded Front—developed Occluded Front—dissipation
Development of Mid-latitude Cyclone
Mid-latitude Cyclone 1 Mid-latitude Cyclone 2
Development of Mid-latitude Cyclone
Mid-latitude Cyclone 3 Mid-latitude Cyclone 4
3
Development of Mid-latitude Cyclone
Mid-latitude Cyclone 5 Mid-latitude Cyclone 6
Development of Mid-latitude Cyclone
May 22, 2006 IR map
• Link to water vapor animation at righthttp://www.goes.noaa.gov/WCIR3.html http://www.goes.noaa.gov/GSSLOOPS/wcvs.html
Mature Mid-latitude cyclone—sat photo
Airflow aloft Mature Mid-latitude Cyclone diagram Weather Scientist
4
Weather pattern animation
Storms, continued
Earth ScienceChapter 19
Pages 539-554
http://www.goes.noaa.gov/GSSLOOPS/ecwv.html
Cumulus clouds
Cloud of vertical development Development of cumulonimbus Lightning frequency US
Lightning storm
http://www.goes.noaa.gov/GSSLOOPS/ecwv.html
Storm mortality chart Tornado features
5
Tornado development--roll Tornado development—begins to go vertical with updraft
Tornado development—vertical cyclone
Supercell
http://www.spc.noaa.gov/faq/tornado/suprcell.htm
Tornado development--summary Tornado—distance photo
Tornado frequency—US Tornado—close photo Tornados--Illinois
6
Tornado damage--pole Tornado damage--town microburst
http://en.wikipedia.org/wiki/Microburst
Dry Microburst
Accessed on Wikipedia, from NWS slideshow on weather spotting
Tropical cyclone:
Hurricane Katrina—satellite image
http://en.wikipedia.org/wiki/Hurricane_Katrina
Cross section of tropical cyclone
P3 Orion Hurricane Hunter Pacific Windflow from satellite Hurricane Ivan from satellite
7
Hurricane Frances Hurricane Fran--1996Path of Katrina
http://en.wikipedia.org/wiki/Image:Katrina_2005_track.png
Before Camille Storm Surge--1969 After Camille storm surge—1969 Camille storm surge—side-by-side
Recommended
