Weather Merit Badge - PowerPoint PPT Presentation

Loading...

PPT – Weather Merit Badge PowerPoint presentation | free to download - id: 3d434b-MmM3M



Loading


The Adobe Flash plugin is needed to view this content

Get the plugin now

View by Category
About This Presentation
Title:

Weather Merit Badge

Description:

Weather Merit Badge March 22, 2002 Requirements Define meteorology. Explain how the weather affects farmers, sailors, aviators, and the outdoors construction industry. – PowerPoint PPT presentation

Number of Views:1388
Avg rating:5.0/5.0
Slides: 26
Provided by: staffMisso
Category:
Tags: badge | merit | weather

less

Write a Comment
User Comments (0)
Transcript and Presenter's Notes

Title: Weather Merit Badge


1
Weather Merit Badge
  • March 22, 2002

2
Requirements
  • Define meteorology. Explain how the weather
    affects farmers, sailors, aviators, and the
    outdoors construction industry. Tell why weather
    forecasts are important to each of these groups.
  • Name five dangerous weather-related conditions.
    Give the safety rules for each when outdoors and
    explain the difference between a severe weather
    watch and a warning. Discuss the safety rules
    with your family.
  • Draw cross sections of a cold front and a warm
    front showing the location and movements of the
    cold and warm air, the frontal slope, the
    location and types of clouds associated with the
    front, and the location of rain. Tell the
    differences between a cold front and a warm
    front.
  • Tell what causes wind, why it rains, and how
    lightning and hail are formed. Explain the
    difference between high and low pressure systems
    in the atmosphere and tell which is related to
    good and poor weather.
  • Continued

3
Requirements
  • Identify and describe clouds in the low, middle,
    and upper levels of the atmosphere. Relate these
    to specific types of weather.
  • Draw a diagram of the water cycle and label its
    major processes. Explain the water cycle to your
    counselor.
  • Define acid rain. Identify which human activities
    pollute the atmosphere as well as the effects
    such pollution can have on people.
  • Do ONE of the following
  • b. Visit a National Weather Service office or
    talk with a local radio or television
    weathercaster, private meteorologist, local
    agricultural Extension service office, or
    university meteorology instructor. Find out what
    type of weather is most dangerous or damaging to
    your community. Determine how severe weather and
    flood warnings reach the homes in your community.
  • Do ONE of the following
  • Give a talk of more than five minutes to your
    unit explaining the camping safety rules in the
    event of lightning, flash floods, and tornadoes.
    Before your talk, show your outline to your
    counselor for approval.

4
What is Meteorology?
  • Meteor Greek for thing in the sky
  • -ology Greek suffix for study of
  • Meteorolgy is
  • study of things in the sky
  • Today meteorology means the study of the weather.
    What causes rain, snow, cold days, hot dry days,
    etc?

5
Who is Interested in the Weather and Why?
  • Aviators Is it safe to fly, winds, freezing?
  • Farmers Should I plant, irrigate, harvest?
  • Sailors Should I keep my ship in the harbor?
  • Construction Industry Should I replace the
    roof? Pour concrete? Paint?
  • Travelers Will the roads be icy or wet? Is it
    worth going to Florida?
  • Party Planners Should we plan an outside
    barbeque?
  • Others ?

6
2. Dangerous Weather Conditions
  • Winter Storms (Snow, Freezing Rain,
    Sleet)
  • Thunder Storms
  • Floods
  • Tornadoes
  • Hurricanes
  • Heat Waves

7
Cold Front
  • Cold Air replaces Warm Air (causing warm air to
    rise)
  • If Warm Air is Humid Precipitation Occurs
  • Generally Brief but Severe Storms
  • Clouds Cumulonimbus (Thunderstorm)

8
3. Warm Fronts
  • Warm Air Replaces Cold Air
  • If Warm air is Humid Precipitation Occurs
  • Typically Long (days) of Inclement Weather
  • Clouds Cirrus, Stratanimbus

9
3. Stationary Fronts
  • Boundary Remains Stationary
  • Days (or Weeks) of Cloudy, Wet Weather

10
3. Occluded Fronts
11
Current Frontal Boundaries
12
Low Pressure System
  • When forecasters say a low pressure area or storm
    is moving toward your region, cloudy weather and
    precipitation result as the low pressure area
    approaches. Low pressure systems have different
    intensities with some producing a gentle rain
    while others produce hurricane force winds and a
    massive deluge.

13
4. High Pressure System
  • Often, you hear a weather forecaster say that an
    area of high pressure will dominate the weather.
    This usually means your region has several partly
    to mostly sunny days in store with little or no
    precipitation. Air tends to sink near
    high-pressure centers, which inhibits
    precipitation and cloud formation. This is why
    high-pressure systems tend to bring bright, sunny
    days with calm weather.

14
Current Pressure Systems
15
Wind
  • Warm Air Rises
  • Cool Air Moves to Fill Vacuum

16
4. Wind
  • Pressure Differences Push air from High Pressure
    to Low
  • Coriolis Force Rotation of Earth causes winds to
    move around High and Low Pressure zones

17
Clouds


18
Clouds (High)




Cirrus



Cirrostratus


Cirrocumulus
19
5. Clouds (Med)





  • Altocumulus

Altostratus
20
5. Clouds (Low)

Cumulus

Stratus


Fog
Stratocumulus
21
5. Clouds (Rain)
Nimbostratus
Cumulonimbus
22
6. Water Cycle
23
Acid Rain
  • Acid rain is rain, snow or fog that is polluted
    by acid in the atmosphere and damages the
    environment. Two common air pollutants acidify
    rain sulphur dioxide (SO2) and nitrogen oxide
    (NOX). When these substances are released into
    the atmosphere, they can be carried over long
    distances by prevailing winds before returning to
    earth as acidic rain, snow, fog or dust. When the
    environment cannot neutralize the acid being
    deposited, damage occurs.

24
Most Dangerous Weather to Saint Joseph
  • Freezing Rain
  • Affects Entire Population
  • Severs Power Lines
  • Makes Travel Hazardous
  • Destroys Trees

25
9. 5 Minute Talks
  • To Finish the Merit Badge you need to write and
    present a 5 minute presentation to your troop
    about camping safety rules in the event of
    lightning, flash floods, and tornadoes.
About PowerShow.com