Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
13 Cards in this Set
- Front
- Back
|
The most likely origin of mP (maritime polar) air masses that enter the western United States is...
|
The northern Pacific Ocean
|
|
|
The warm sector of an extratropical cyclone is located...
|
Ahead of a cold front
|
|
|
On an upper-air weather map, ridges are...
|
Elongated areas of high heights
|
|
|
The most likely time for ordinary thunderstorms to occur is...
|
in the afternoon
|
|
|
Squall lines often form ahead of...
|
A cold front
|
|
|
A hook-shaped echo on a radar screen indicates...
|
That a tornado may be present
|
|
|
Most of the tornadoes that occur in Minnesota are rated _____ on the Enhanced Fujita scale.
|
EF0
|
|
|
A surface high pressure system typically is located...
|
East of an upper-level ridge
|
|
|
An ensemble forecast is produced from...
|
One forecast model that is run multiple times, with slightly different initial conditions
Or Multiple forecast models that are run, one time each, with the same initial conditions |
|
|
At 9 a.m. a warm front was approaching the Twin Cities from the southwest. The front is expected to reach northwestern Wisconsin by 6 p.m. What is the most likely weather forecast for the Twin Cities on this day?
|
Southeasterly winds shifting to southwesterly this afternoon, accompanied by rising temperatures and increasing humidity.
|
|
|
A large circular high pressure area is located just west of the Twin Cities. The winds are from the north-northwest, skies are clear, and there is low humidity. The center of high pressure is forecast to be located over southern Wisconsin by tomorrow. What is the best estimate of tomorrow's weather in the Twin Cities?
|
Southerly winds, scattered cirrus clouds, and falling pressure.
|
|
|
A cold front is directly to the west of the Twin Cities and is moving east. What are the most likely changes you would expect in temperature, dew point, and wind direction, from before the front arrives to after the front passes you?
|
decreasing temperature, decreasing dew point, wind shifting from the south or southwest to west or northwest
|
|
|
A warm front is southwest of the Twin Cities and is moving toward the northeast. What are the most likely changes you would expect in temperature, dew point, and wind direction, from before the front arrives to after the front passes you?
|
increasing temperature, increasing dew point, wind shifting from the east or southeast to south or southwest
|
