Gravity wave weather
[DOC File]Second Convective Waves Experiment (COWEX-II)
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Often gravity wave signals are confounded by turbulence, noise, and secondary circulations. Seldom are they monochromatic or long-lasting, and this further complicates the problem. I would have like to have seen alternatives to the program in the event of instrument failure or absence of the desired events.
[DOC File]Exam 3 – Review
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Gravity Wave Motions – under certain circumstances, air may be disturbed by small scale wave motions; that is, parcels of air may be caused to oscillate vertically; figure 5-8; such oscillations that move away from the source of the disturbance are called atmospheric gravity waves because the earth’s gravity plays an important role in ...
[DOC File]Forecasting Chapter
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Colorized water vapor image of the upper-level cyclone that helped trigger the Birmingham, Alabama gravity wave windstorm at 11:15 am on February 22, 1998. The reddish hook in the image is a region of dry air from the stratosphere that is wrapping around the cyclone.
[DOCX File]Erosion and Deposition Worksheet Answers.docx
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Landforms created by wave erosion are wave cut cliffs, sea arches, sea stacks, and sea caves. An area of wave washed sediment along a coast is a beach. The process in which beach sediment is moved down the beach with the current is called longshore drift.
[DOC File]www.met.nps.edu
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Prior to the gravity wave event, a cloud cover level of about 1000m is observed. Between 1100Z and 1230Z there is a clearing event, likely due to the passage of the gravity wave, as seen in Figure 7. The 1200Z GOES-10 IR gives a good visual picture of the passage of the gravity wave.
[DOC File]Ensembles-Anomaly: A forecasting perspective of the ...
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An evaluation of the gravity wave propagation is not presented here, as the fields used in the analysis exhibit no significant differences from those in the 36-km simulation. The 12-km DTE field was interpolated to the 36-km grid for comparison (Fig. 25).
[DOC File]QUIZ: Waves, Tides, and Currents
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What happens to the pull of gravity when the sun and the moon are at right angles? 6. Based on the tide chart below, what type of tidal pattern does Honolulu have? Waves. 7. Label the crests, troughs, wavelength, and determine the amplitude of the following diagram. 8. Calculate the speed of a wave with wavelength of 100 meters and a period of ...
[DOC File]HYPOTHESESE/Troposphere
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These include a high altitude aircraft (the NASA WB-57) to: (1) fly above the storm in the lower stratosphere to measure gravity wave momentum momentum fluxes, (2) profile the anvil to measure outflows of key chemical trace constituents, and (3) fly in the anvil to measure its microphysical, and radiative properties.
[DOCX File]University of Utah
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For this event, wave passage is coincident with an enhancement of north-northwesterly winds as it translated north, followed by a relaxing of wind speeds behind the gravity wave. In some cases the winds relaxed from gusting 5-8 m s-1 during the gravity wave passage to near calm conditions one hour later.
[DOCX File]White Paper Template - LONG (Version 1.0, November 2001)
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Fritts, D. et al. (2016) The Deep Propagating Gravity Wave Experiment (DEEPWAVE): An Airborne and Ground-Based Exploration of Gravity Wave Propagation and Effects from their Sources throughout the Lower and Middle Atmosphere. Bulletin of the American Meteorological Society. DOI: 10.1175/BAMS-D-14-00269.1
[DOC File]CGSN Site Characterization: Argentine Basin Array
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The dashed red line is an eyeball fit that biases the high sea state data and represents a wave steepness 2(Hs/(gTm2) = 0.0571. where Hs is significant wave height, Tm is the mean wave period, and g is gravity. We use this to calculate wave period for a given return sea state. Note that maximum theoretical wave steepness in 0.0667.
[DOC File]Exam 2 – Review
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The mesoscale wave pattern that they follow is known as a mountain wave or mountain lee wave. It is a particular form of an atmospheric gravity wave. Atmospheric gravity wave – in a stable atmosphere gravity through stability plays a major role in forcing the parcels to return to and oscillate about their equilibrium level
[DOC File]Teacher Guide & Answers
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Gravity causes the dust and gases to move closer together. As they do, the temperatures in the cloud begin to rise, and the heat becomes great enough to cause the atoms in the cloud to join together. This joining of atoms is called fusion, and it changes matter to the energy that powers the star. 7. We live in the Milky Way, one of the billions ...
[DOCX File]PROJECT CHARTER - Environmental Modeling Center
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Convective gravity wave upgrade. Limits extreme effects. Tracer adjustment upgrade. Better water and ozone conservation. ... improvements to GDAS/GFS that we feel would improve the upper atmosphere specification and forecast for our space weather models.
[DOC File]The Cloud Imaging and Particle Size Experiment on the ...
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Wave features are not rare, but more often we see rather complicated structures that perhaps overwhelm the visible effects of gravity waves. The origin of this convection is not understood, but a reasonable hypothesis is that the convection it would be favored by the steeper latitudinal temperature gradient present in the summer mesosphere.
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