grog - easy to remember ones Flashcards

1
Q

Identify the areas of North America where tornadoes are most likely to occur.

A

central and southeastern US

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1
Q

Identify tropical cyclone hazards. Focus attention on the hazard that is the most serious.

A

Wind damage
Fresh water flooding
Earthflows
Storm surge - most serious

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2
Q

Know what the Saffir-Simpson scale is, the number of categories, and the criteria used for categorizing tropical cyclones.

A

Developed to categorize intensity of cyclones.
-1-5 scale.
5 categories based on central pressure, mean wind speed, and storm surge height.

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3
Q

Identify the names of prominent tropical storms (hurricanes) that have been retired. Focus attention on the hurricane that affected New Orleans in 2005.

A

Katrina, Andrew, Camille, Hugo

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4
Q

Identify the general area in the North Atlantic where tropical cyclones originate.

A

off West Coast of Africa or in Carribean Sea

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5
Q

Know the minimum wind speed required for a cyclone to be categorized as a hurricane in the Western Hemisphere (North Atlantic).

A

35- 74 mph

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6
Q

Identify the term given to tropical storms/cyclones that form in the Atlantic (Western Hemisphere), the Western Pacific, and Indian Oceans respectively.

A

Western hemisphere - hurricanes
Western pacific - typhoon
Indian ocean - cyclone

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7
Q

Identify the two regions of the world where cyclonic tracks have been studied extensively and are well known.

A

North America and Western Eurasia

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8
Q

Identify the characteristics associated with cyclones and anticyclones in the upper atmosphere, respectively. Focus attention on the type of pressure (high or low), the general speed of the winds (faster or slower), and the direction of Coriolis and pressure gradient forces (inward or outward) for each.

A

Cyclones - low pressure center, slower, inspirals
Anticyclones - high pressure center, faster, outspirals

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9
Q

Identify the three stages associated with tornado forecasting.

A

severe storm outlook - 24 hour look ahead
tornado watch - conditions are right to form tornadoes
tornado warning - radar or observer confirm tornado

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10
Q

Know what sheet lightning is and the percentage of lightning that occurs within clouds and/or occur between clouds.

A

Sheet lightning is cloud-to-cloud lightning, or light diffused by a cloud. 80% of all lightning strikes within clouds.

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11
Q

Identify the basic components in the structure of a tropical cyclone.

A

Extremely low pressure at center and strong pressure gradient towards center. Intense convergence and uplift - produces heavy rainfall.

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12
Q

Identify the three types of traveling cyclones.

A

Mid-latitude cyclone (or extra-tropical cyclone)
Tropical cyclone (tropical storm or hurricane)
Tornado

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13
Q

Identify the two types of air masses that commonly move through Ohio and the source regions from which they originate.

A

cA - continental Arctic, cool and dry, originates from land around Arctic Ocean
cP - continental Polar, cool and dry but warmer than cA, originates from continents lat 50-60*
mT - maritime Tropical, warm moist air from Gulf of Mexico

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14
Q

Identify the two criteria by which air masses are classified and be able to identify examples of air mass types.

A

Latitude and Surface Type
Latitude - Arctic, Polar, Tropical, Equatorial - indicates temperature
Surface Type - maritime, continental - indicates moisture content
mE, mT, cT, mP, cP, cA, cAA

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15
Q

Identify the names of the prominent ocean currents in the North Atlantic and Southeastern Pacific, respectively.

A

North Atlantic: Gulf Stream -> North Atlantic Drift
Southeastern Pacific: Humboldt Current

16
Q

Identify the three layers of the oceanic temperature structure and the characteristics of each.

A

Mixed Layer - layer of warm air near top of the low/mid latitudes
Thermocline - below warm layer(temp drops fast)
Deep Ocean - below thermocline, very cold, base is near freezing

17
Q

Identify the characteristics associated with winds aloft.

A

no frictional effects, 2 prevailing forces - coriolis effect, and pressure gradient

18
Q

Identify the names of the persistent low-pressure belts in the Northern Hemisphere

A

Aleutian Low (north pacific) and Icelandic Low (north atlantic)

19
Q

Identify the names of the persistent sub-tropical high-pressure belts in the Northern Hemisphere.

A

Hawaiian High (pacific ocean) and Azores High (atlantic ocean)

20
Q

Identify examples of other types of local winds and the general characteristics of each.

A

Foehn winds - winds that come down from mountains, descend and warm up

Santa Ana Winds - come from high lat areas east of mountains in California, if winds are strong and there are forest fires, they can make the fires even worse.

21
Q
A