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4 3 . 8 Fronts.

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Presentation on theme: "4 3 . 8 Fronts."— Presentation transcript:

1 4 3 . 8 Fronts

2 Transition zone between different air masses.
COLD AIR mixing zone WARM AIR

3 The leading edge of an advancing cold air mass.
Cold Front The leading edge of an advancing cold air mass. COLD AIR

4 SLOPE OF A COLD FRONT 1 MILE 50 MILES
The slope of the front is very steep (1 in 50) Narrow weather band Can be very severe 1 MILE 50 MILES

5 Cold Front Clouds and weather clouds of vertical development showers winds veer temperature decreases behind front Fast moving cold fronts may produce severe thunderstorms and/or squall lines

6 NOTE: You must use the buttons in the Confirmation Stage

7 Meteorology Fronts Let's try a few review questions on Meteorology:
Question #1 - The slope of a cold front is A Shallow B Steep C Gradual Vertical D

8 I’m afraid that answer is incorrect
Flying Scholarship Program I’m afraid that answer is incorrect Let's try again...

9 Flying Scholarship Program
That answer is correct. Let's move on... TP312 & TP 14371

10 Meteorology Fronts Let's try a few review questions on Meteorology:
Question #2 - What precipitation can you expect at a cold front? A Showers B Steady Mist C Continuous D

11 I’m afraid that answer is incorrect
Flying Scholarship Program I’m afraid that answer is incorrect Let's try again...

12 Flying Scholarship Program
That answer is correct. Let's move on... TP312 & TP 14371

13 The trailing edge of a retreating cold air mass Warm air is forced aloft by “overrunning”

14 SLOPE OF WARM FRONT FRONTAL SURFACE 1 MILE 150 - 200 MILES
Shallow slope (1 in 200) Wide weather band that may extend up to 500 miles Extensive stratiform cloud FRONTAL SURFACE MILES 1 MILE

15 Warm Front Clouds and weather stratus clouds steady precipitation
winds veer temperature rises behind front thunderstorms may be embedded in the stratus clouds in winter, ice pellets and freezing rain may develop

16 Sequence of clouds indicating the approach of warm front are:
C cirrus C cirrostratus A altostratus N nimbostratus S stratus

17 A TRough Of Warm air ALoft
TROWAL A TRough Of Warm air ALoft A cold front overtakes a warm front and lifts the warm air off the ground. Clouds and weather combination of both warm front and cold front weather.

18 NOTE: You must use the buttons in the Confirmation Stage

19 Meteorology Fronts Let's try a few review questions on Meteorology:
Question #4 - What does the “A” in CCANS abbreviation indicate? A Alto cumulus B Alto stratus C Altocumulus Castellanus Cumulus D

20 I’m afraid that answer is incorrect
Flying Scholarship Program I’m afraid that answer is incorrect Let's try again...

21 Flying Scholarship Program
That answer is correct. Let's move on... TP312 & TP 14371

22 Meteorology Fronts Let's try a few review questions on Meteorology:
Question #3 - What does the abbreviation TROWAL stand for? A Transition point between fronts B Trough of warm air aloft Shallow slope C D Occluded Fronts

23 I’m afraid that answer is incorrect
Flying Scholarship Program I’m afraid that answer is incorrect Let's try again...

24 Flying Scholarship Program
That answer is correct. Let's move on... TP312 & TP 14371

25 Meteorology Air Masses Congratulations!!
You have now completed the Front lesson of the Meteorology Module. Of course, this lesson is always available to you for future reference if required. You are now ready to move along to the next Meteorology lesson you have not completed or to any other module you wish. You can advance to the Self Test Module if you feel ready to challenge the final exam. Good Luck!


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