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The Weather that Makes the Dots. TESSE 22 July 2008 Eric Kelsey Institute for the Study of Earth, Ocean and Space - UNH. Temperature Cycle over 7 Glacial Cycles. 600. Projected Concentration After 50 More Years of Unrestricted Fossil Fuel Burning. 500. 400. 300. 280. 260. 240.

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The weather that makes the dots

The Weather that Makes the Dots

TESSE 22 July 2008

Eric Kelsey

Institute for the Study of Earth, Ocean and Space - UNH


The weather that makes the dots

Temperature Cycle over 7 Glacial Cycles

600

Projected Concentration After 50 More Years of Unrestricted Fossil Fuel Burning

500

400

300

280

260

240

CO2 Concentration

CO2 [ppmv]

220

200

180

Temp. in F°

600,000

500,000

400,000

300,000

200,000

100,000

0

Age (yr BP)


The weather that makes the dots

Seasonal Temperature Cycle over 7 Years?

600

Projected Concentration After 50 More Years of Unrestricted Fossil Fuel Burning

500

400

Year 1 2 3 4 5 6 7

600,000

500,000

400,000

300,000

200,000

100,000

0

Age (yr BP)


The weather that makes the dots

Diurnal Temperature Cycle over 7 Days?

600

Projected Concentration After 50 More Years of Unrestricted Fossil Fuel Burning

500

400

Mon Tue Wed Thu Fri Sat Sun

600,000

500,000

400,000

300,000

200,000

100,000

0

Age (yr BP)


Temperature at mount washington nh
Temperature at Mount Washington, NH

June 2007


Climate vs weather

climate-

Meteorological elements that characterize the average and extreme conditions of the atmosphere over a long period of time at any one place or region of the earth's surface.

(Environment Canada)

weather-

The state of the atmosphere with respect to heat or cold, wetness or dryness, calm or storm, clearness or cloudiness.

(Massachusetts Dept. of Education)

Climate vs Weather



Fractals fronts
Fractals-fronts

cool

warm

Supercell Thunderstorm

cool

warm

Extratropical cyclone


Supercell with small hook echo

Supercell in southeast NH July 18, 2008

Supercell with small hook-echo

Prompted issue of Tornado Warning for Durham

and surrounding towns


Storm reports storm prediction center
Storm ReportsStorm Prediction Center


Us water vapor imagery
US water vapor imagery

If above link doesn’t work you can get it here:

http://rap.ucar.edu/weather/satellite



Cool air until it is saturated
Cool air until it is saturated

- also, radiative cooling until air reaches saturation: fog





Common storm tracks
Common Storm Tracks climate?

cold, dry

Alberta Clipper

Colorado (Lee) Low

moist

warm

Coastal Track

warm, moist



Seabreeze
Seabreeze climate?


Ocean lake effect snow
Ocean & Lake Effect Snow climate?

Short-lived, localized events




Nor easters coastal storms
Nor’easters, Coastal Storms climate?

Energy gained from contrast between

cold-dry and warm-moist air masses

Blizzard of Feb. 2006


Hurricanes
Hurricanes climate?

Hurricane Bob 1991


Enso tropical pacific sst
ENSO: Tropical Pacific SST climate?

El Niño (Dec. 1997) La Niña (Dec. 2000)

http://www.elnino.noaa.gov/lanina.html


El nino southern oscillation tropical pacific sst
El Nino-Southern Oscillation: climate?Tropical Pacific SST

http://www.cpc.ncep.noaa.gov/products/analysis_monitoring/ensocycle/meanrain.html


North atlantic oscillation
North Atlantic Oscillation climate?

+Warmer and

less snow

Variability on

Order of

Weeks

-Colder and

more snow




Fun facts

July: climate?

warmest month

(ave high: 54F)

2nd driest month (8.02”)

Least snowiest: 1.1” most ever

3rd highest temp (71F)

2nd least windiest: 25.3mph ave.

Coldest month: January

(14F ave high)

Wettest: November (10.49” ave)

Snowiest: December (55” ave)

Coldest temp: -47F (Jan 1934)

Windiest: Jan 46.3mph

Fun Facts


Helpful links
Helpful Links climate?

  • Storm Prediction Center:

    spc.noaa.gov

  • University Corporation for Atmospheric Research:

    rap.ucar.edu/weather

  • National Weather Service

    nws.noaa.gov