Wildland Fire S-190 Wildland Fire Behavior Exam Solved Questions With Revised Correct Detailed Answers
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Module
Wildland Fire
Institution
Wildland Fire
Wildland Fire S-190
Wildland Fire Behavior
Exam Solved Questions With
Revised Correct Detailed Answers
1. The presence of fog indicates ____ air. - ANSWER
stable
2. Clouds are classified by their structure and their height in the
atmosphere. - ANSWER
3. ________ (cirrus,...
Wildland Fire S-190
Wildland Fire Behavior
Exam Solved Questions With
Revised Correct Detailed Answers
1. The presence of fog indicates ____ air. - ANSWER stable
2. Clouds are classified by their structure and their height in the
atmosphere. - ANSWER
3. ________ (cirrus, cirrocumulus, and cirrostratus) are high clouds
with bases above 20,000 feet. - ANSWER Cirro clouds
4. ______ (altostratus, altocumulus, and nimbostratus) are middle
level clouds with bases between 6,500 to 20,000 feet. - ANSWER
Alto clouds
5. _________ (stratus and stratocumulus) are low level clouds with
bases at or below 6,500 feet. - ANSWER Strato clouds
, 6. _________ and clouds are vertically developed clouds which may
have bases between 1,500 to 10,000 feet. - ANSWER
Cumulus, Cumulonimbus
cirrus
altostratus
stratus
cumulus
cirrocumulus
altocumulus
cumulonimbus
stratocumulus
nimbostratus
cirrostratus
Fog, on the other hand, is essentially a cloud that touches the surface
of the ground.
7. __________ or thunderstorm clouds - These clouds can occur as
thunderstorms. Thunderstorms may produce strong, gusty winds,
sometimes gusting to as much as 60 miles per hour. - ANSWER
Cumulonimbus
, 8. Cirrostratus clouds - These are very high, wispy clouds that
frequently precede a warm front. They indicate that ____ is
possible within the next day or two. - ANSWER rain
9. Altocumulus castellanus clouds - These are mid-level clouds that
form turrets or "little towers," usually arranged in lines. They
indicate instability and increased moisture. When seen in the
morning, these clouds are a strong indicator that _______ are
possible later in the day - ANSWER thunderstorms
10. Altocumulus floccus clouds - These clouds can be identified by their
white or gray colored scattered "______" with rounded and slightly
bulging upper parts. These clouds resemble very small ragged cumulus,
and are often accompanied by trails of virga (rain which doesn't reach
the ground) from their bases. Like the altocumulus castellanus clouds,
they are an indicator of instability, increased moisture and potential
thunderstorm activity - ANSWER tufts
11. Altocumulus lenticularus clouds - These "lens-shaped" clouds are
formed as strong, mid-level winds cross over the top ot north/south
oriented mountain ranges. They are usually stationary, and positioned
over the lee side of a mountain range. Altocumulus lenticularus clouds
are indicative of high wind speeds at the altitudes at which they occur.
However, these winds can descend or "surface," producing strong
ground level winds that can cause long- range spotting. A visual
indicator of the possibility that these winds may surface is a
___________ - ANSWER sheared smoke column
, 12. Stratus clouds - These occur as a single, gray, fairly uniform and
featureless layer of low-level clouds. Sometimes they are dark and
threatening, although at most, they only produce a drizzle or light rain.
Stratus clouds are an indicator of ____ air - ANSWER stable
13. A thunderstorm is defined as "a storm accompanied by lightning
and thunder". The downdrafts that reach the ground are cool and
gusty. These winds can extend up to 10 miles from the thunderstorm,
and reach 20 to 35 miles per hour, with gusts to 60 miles per hour -
ANSWER
14. When a thunderstorm is "mature" it has an ______ shaped top. -
ANSWER anvil
15. Thermal lifting occurs when air is heated. If there is adequate
moisture in this rising air mass, it will form a cloud when it reaches
saturation. Thermal lifting is most prevalent during the summer and
occurs in areas of flat terrain being heated by solar radiation. It can also
occur when the air is heated by a large wildland fire. The formation of
cumulus clouds over a fire is an indication of _______ fire behavior and
the potential for a ____________. - ANSWER extreme,
thunderstorm
16. ___________ lifting occurs when an air mass that is moving
horizontally encounters a mountain range and is forced upward. The air
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