Term
| Lightning begins when positive or negative electrical charges build up near the base of a cloud? |
|
Definition
|
|
Term
| Lightning begins when positive or negative electrical charges gather at the top of a cloud? |
|
Definition
|
|
Term
| Leaders extend downward from the base of a cloud and connect with some object, developing a visible stroke during what kind of lightning? |
|
Definition
|
|
Term
| Most often a rapid sequence of multiple strokes follows the initial one to produce what? |
|
Definition
|
|
Term
| The extreme heating of air within a stroke causes air to expand explosively and create what? |
|
Definition
|
|
Term
| If lightning threatens even at a distance, is it safe to go indoors, stay away from electrical appliances or even stay in a car with a hard top and metal exterior? |
|
Definition
|
|
Term
| If lightning threatens even at a distance, is it safe to stay outdoors, near electrical appliances or even inside a car with a soft top and non-metal exterior? |
|
Definition
|
|
Term
| In thunderstorms what eventually destroys the storm? |
|
Definition
|
|
Term
| How long does it take a Thunderstorm to go from cumulus to mature to dissipative stages? |
|
Definition
|
|
Term
| What storms produce large hail, damaging winds, or tornadoes? |
|
Definition
|
|
Term
| Severe Storms develop downdrafts that do what? |
|
Definition
|
|
Term
| Severe Storms occur as or within? |
|
Definition
Squall Lines
Multicellular Mesoscale Convective Complexes
Supercells |
|
|
Term
| What results from prolonged or repeated rain events, especially if they occur over existing snowpacks? |
|
Definition
|
|
Term
| How Do Floods Normally Occur as streams or rivers do what? |
|
Definition
|
|
Term
| What occur when a strong thunderstorm remains over an area sufficiently long to create heavy runoff? |
|
Definition
|
|
Term
| What are most common in the tropics, especially over the interior equatorial Africa? |
|
Definition
|
|
Term
| Where are Thunderstorms most common in the United States? |
|
Definition
|
|
Term
| What is most likely to form in the spring or early summer, but can occur at any time of the year? |
|
Definition
|
|
Term
| What are the formation of large rotating areas within storm clouds? |
|
Definition
|
|
Term
| Many tornadoes that emerge from what, follow mesocyclones? |
|
Definition
|
|
Term
| Is it rare for tornadoes to be large and destructive, or to be weak and cause no fatalities? |
|
Definition
|
|
Term
| Is it more common for tornadoes to be large and destructive, or to be weak and cause no fatalities? |
|
Definition
| Weak and cause no fatalities |
|
|
Term
| Do the snowbands of Lake Effect Snow Move Very Far Inland? |
|
Definition
|
|
Term
| If the snowbands of Lake Effect Snow move fast enough given enough energy gathered by warm lakes, they can do what? |
|
Definition
|
|
Term
| What environmental ingredients are needed for Multicell, Supercell and Severe Storms? |
|
Definition
Water Vapor
Lifting Mechanism
Instability
Strong Vertical Wind shear |
|
|
Term
| What environmental conditions are needed for normal thunderstorms? |
|
Definition
Water Vapor
Lifting Mechanism
Instability |
|
|
Term
| What may produce heavy precipitation and severe thunderstorms associated with squall lines along a cold front? |
|
Definition
|
|
Term
| What are the three stages of Thunderstorms? |
|
Definition
Cummulus
Mature
Dissipating |
|
|
Term
In Multicell Storm Propogation, the first cell (storm) is also what?
The oldest storm or the newest storm? |
|
Definition
|
|
Term
What is air like in front of the gust front during multicell storm propogation?
Warm and unstable, lifting or rain cooled? |
|
Definition
|
|
Term
What is air like over a gust front during multicell storm propogation?
Warm and unstable, lifting or rain cooled? |
|
Definition
|
|
Term
What is air like behind a gust front during multicell storm propogation?
Warm and unstable, lifting or rain cooled? |
|
Definition
|
|
Term
In Multicell Storm Propogation, the last cell (storm) is also what?
The oldest storm or the newest storm? |
|
Definition
|
|
Term
| Each cell in multicell storm propagation is following what model? |
|
Definition
|
|
Term
| What is a downdraft within a thunderstorm usually >= 4km in diameter that can cause extensive damage at the surface? |
|
Definition
|
|
Term
What causes issues with plane landing due to microbursts?
Strong downdrafts coming down from the bursts, or the downdrafts after they have spread against the ground? |
|
Definition
| Downdrafts after they spread against the ground disrupting the plane's ability to lift due to head wind and tail wind. |
|
|
Term
What does not cause issues with plane landing due to microbursts?
Strong downdrafts coming down from the bursts, or the downdrafts after they have spread against the ground? |
|
Definition
| Strong downdrafts coming down from the bursts and pushing the plane down. |
|
|
