WX 301 Exam 2 UPDATED Questions and
CORRECT Answers
Lake effect snow occurs during - CORRECT ANSWER✔✔- Nov-Jan
Lake effect snow is caused by which air mass? - CORRECT ANSWER✔✔- cP
In airflow from the northwest, lake effects snows occur along the ___ shores of the Great
Lakes. - CORRECT ANSWER✔✔- eastern and southern
Air flow from the north over ocean in the southern hemisphere is most likely a ___ airmass. -
CORRECT ANSWER✔✔- mP
In the cold air behind a cold front over the ocean, we typically find a __ airmass and __
weather - CORRECT ANSWER✔✔- mP, showery
A mP airmass moving from the NE onto the northeastern U.S. is most likely - CORRECT
ANSWER✔✔- cool, foggy and stable
A source region for a mT airmass is - CORRECT ANSWER✔✔- the tropical Pacific and the
Gulf of Mexico
The northwest flow behind a cold front over Texas is most likely ___ with ___ weather. -
CORRECT ANSWER✔✔- cP, clear & cold
The most likely surface weather conditions just to the north of a warm front are - CORRECT
ANSWER✔✔- easterly flow, cold , with mist, drizzle and light rain
Behind (west of) a cold front over Indiana, the air mass is __ and the weather is typically__ -
CORRECT ANSWER✔✔- cP, clear and cold
, The most likely sequence as a cold occlusion passes is - CORRECT ANSWER✔✔- cool SE
flow followed by slightly colder westerlies
As a midlatitude cyclone occludes, horizontal temperature contrasts______ over time -
CORRECT ANSWER✔✔- weaken
Cold frontal precipitation is typically - CORRECT ANSWER✔✔- convective
As a warm front passes, temperature ___ and wind commonly changes from __ to __ -
CORRECT ANSWER✔✔- rises, easterly, southwesterly
A dry line marks a boundary between - CORRECT ANSWER✔✔- warm moist air and warm
dry air
A cold occlusion has ___ air ahead and ___ air behind - CORRECT ANSWER✔✔- cool,
slightly colder
The following weather sequence occurs with the passage of a __: Warm southwesterlies. A
period of showers followed by much colder west to northwest winds and clearing -
CORRECT ANSWER✔✔- cold front
A surface cold front has just reached Chicago from the west. At 10,000 ft AGL, the cold front
will be located __ of Chicago - CORRECT ANSWER✔✔- west
An elevated region of vertical wind shear is commonly found - CORRECT ANSWER✔✔-
west of the cold front and northeast of the warm front
I am in the surface easterly flow just to the north of a surface warm front. The most likely
wind direction 15,000 ft above this location is from the - CORRECT ANSWER✔✔-
southwest
Which has the weakest horizontal temperature contrast? - CORRECT ANSWER✔✔- a cold
occlusion
CORRECT Answers
Lake effect snow occurs during - CORRECT ANSWER✔✔- Nov-Jan
Lake effect snow is caused by which air mass? - CORRECT ANSWER✔✔- cP
In airflow from the northwest, lake effects snows occur along the ___ shores of the Great
Lakes. - CORRECT ANSWER✔✔- eastern and southern
Air flow from the north over ocean in the southern hemisphere is most likely a ___ airmass. -
CORRECT ANSWER✔✔- mP
In the cold air behind a cold front over the ocean, we typically find a __ airmass and __
weather - CORRECT ANSWER✔✔- mP, showery
A mP airmass moving from the NE onto the northeastern U.S. is most likely - CORRECT
ANSWER✔✔- cool, foggy and stable
A source region for a mT airmass is - CORRECT ANSWER✔✔- the tropical Pacific and the
Gulf of Mexico
The northwest flow behind a cold front over Texas is most likely ___ with ___ weather. -
CORRECT ANSWER✔✔- cP, clear & cold
The most likely surface weather conditions just to the north of a warm front are - CORRECT
ANSWER✔✔- easterly flow, cold , with mist, drizzle and light rain
Behind (west of) a cold front over Indiana, the air mass is __ and the weather is typically__ -
CORRECT ANSWER✔✔- cP, clear and cold
, The most likely sequence as a cold occlusion passes is - CORRECT ANSWER✔✔- cool SE
flow followed by slightly colder westerlies
As a midlatitude cyclone occludes, horizontal temperature contrasts______ over time -
CORRECT ANSWER✔✔- weaken
Cold frontal precipitation is typically - CORRECT ANSWER✔✔- convective
As a warm front passes, temperature ___ and wind commonly changes from __ to __ -
CORRECT ANSWER✔✔- rises, easterly, southwesterly
A dry line marks a boundary between - CORRECT ANSWER✔✔- warm moist air and warm
dry air
A cold occlusion has ___ air ahead and ___ air behind - CORRECT ANSWER✔✔- cool,
slightly colder
The following weather sequence occurs with the passage of a __: Warm southwesterlies. A
period of showers followed by much colder west to northwest winds and clearing -
CORRECT ANSWER✔✔- cold front
A surface cold front has just reached Chicago from the west. At 10,000 ft AGL, the cold front
will be located __ of Chicago - CORRECT ANSWER✔✔- west
An elevated region of vertical wind shear is commonly found - CORRECT ANSWER✔✔-
west of the cold front and northeast of the warm front
I am in the surface easterly flow just to the north of a surface warm front. The most likely
wind direction 15,000 ft above this location is from the - CORRECT ANSWER✔✔-
southwest
Which has the weakest horizontal temperature contrast? - CORRECT ANSWER✔✔- a cold
occlusion
