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Disting with anabatic wird from kakabatic wind,
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In areas characterized by complex terrain and in the absence of strong to moderate synoptic forcing, mountain weather is dominated by local-scale thermal circulation. The main forcing of thermal circulation is solar radiation which determines, with it’s day-night alternation, convective mixing during daytime and stable layering during nighttime. Flows follow this alternation: daytime convection triggers upvalley/ upslope anabatic wind flows that climb up the relief; nighttime stratification features gravity-driven downvalley/downslope katabatic wind flows. Flow reversal is not instantaneous but spaced out by evening transition, which is characterized by slow winds, changing wind directions, and fluxes close to zero. Evening transition at Sagebrush site (Dugway Proving Ground, Utah, US) has been studied by analyzing tethered balloon data collected during MATERHORN Spring 2013 campaign. Good qualitative and quantitative agreement has been found between data results and Stagnation front model proposed by [Hunt, J. C R, Fernando, H. J. S., Princevac, 2003], especially in estimating time delay for flow reversal, i.e. the duration of transition. Slab formation model by [Fernando et al., 2013] has also been tested but with poor agreement. Facts for a cold-air pool formation has been supplied and discussed.

Explanation:

osha website is the answer

    however, coronary heart disease , or chd, is actually a result of coronary artery disease, or cad, said edward a. fisher, m.d., ph.d., m.p.h., an american heart association volunteer who is the leon h. charney professor of cardiovascular medicine and also of the marc and ruti bell vascular biology and disease program at the nyu school of medicine.

  with coronary artery disease, plaque first grows within the walls of the coronary arteries until the blood flow to the heart’s muscle is limited. view an illustration of coronary arteries. this is also called ischemia. it may be chronic, narrowing of the coronary artery over time and limiting of the blood supply to part of the muscle. or it can be acute, resulting from a sudden rupture of a plaque and formation of a thrombus or blood clot.

    the traditional risk factors for coronary artery disease are high ldl cholesterol, low hdl cholesterol, high blood pressure, family history, diabetes, smoking, being post-menopausal for women and being older than 45 for men, according to fisher. obesity may also be a risk factor.

    “coronary artery disease begins in childhood, so that by the teenage years, there is evidence that plaques that will stay with us for life are formed in most people,” said fisher, who is former editor of the american heart association journal, atvb. “preventive measures instituted early are thought to have greater lifetime benefits. healthy lifestyles will delay the progression of cad, and there is hope that cad can be regressed before it causes chd.”

  living a healthy lifestyle that incorporates good nutrition, weight management and getting plenty of physical activity can play a big role in avoiding cad.

    “coronary artery disease is preventable,” agreed johnny lee, m.d., president of new york heart associates, and an american heart association volunteer. “typical warning signs are chest pain, shortness of breath, palpitations and even fatigue.” if you feel any of these symptoms, don’t delay — call 9-1-1.