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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

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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

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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

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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

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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

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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

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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