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hail stone images
hail frequency map
maps & data

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conditions, temperature, how to analyze data, shapes & sizes of hail, time storm came

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-we see that winds effect the storm
-temp change caused winds, hail, mist, time of the year-warm out

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-Can it hail in different seasons?
-How fast can hail hit the ground?
-Where does the most hail fall?
-Does wind effect the hail?
-How big can hail get?
-How can hail be all different sizes?
-Why does it create ice and not something like snow?
-How cold does it have to be to form hail?
-How cold outside can it be for hail to happen?
-How fast does it melt?
-Can hail damage things?

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-hail has different shapes
-areas most effect
-water goes into the air through evaporation and creates humidity
-certain conditions happen during a hail storm-like rain, wind, speed of wind, humidity, temperature, wind gust, shape, time (data)

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-How does hail get its shape?

-How long does it take to melt?

-Why does hail happen in the summer when it is warm out?

-Why do the clouds turn grey when there is evaporation?

-Can hail fall in cubes? Are they edible?

-Are hail storms all short or are some longer in time?

-How much evaporation has to build up to form hail?

-How many MPH does hail fall from the sky?

-Why does it hail?

-How big can hail be?

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-saw moisture near the ground, shows humidity            -saw steam showing evaporation                                  -saw temp drop and wind changes for storm to hit

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-west side of US has least amount of hail -central US most hail -east US had middle amounts of hail -hail can be different sizes up to about 6” -hardly any hail in Nevada -temp drops to make storm -humidity increases to make storm -wind increases to form storm

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| -hail gets to heavy in clouds and drops -wind increases were a part of storm and saw it in the movie

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| -Which countries does hail form? -What causes hail? -Why does hail form more in different places in the US? -How long does it take for hail to melt?

-How long can a hail storm last for?

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|-hail can be any size or shape -storms usually form in spring -very solid, can damage -precipitation had to happen to form hail -only happen if humidity is high and temp is low -temp & wind can effect how destructive -can hail in any temperature

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-we saw rain in every video

-wind can cause the storm and move hail around

-temp change-sunny to cloudy-temp dropped

-mist/humidity showed temp change

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| -Why is there steam coming from the ground after rain? -How does hail form into stones? Why that shape? -What is the weather like when it hails? -How fast does hail fall? What is the average speed? -What conditions do you need for hail to fall? Can you create it? -Why would it hail in warm places? -Average size of hail?

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Weather Balloon Movie
Weather Balloon Data (air temp differences)

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how temp is different at different heights
Colder higher up
Seasons don't change the higher up the cooler the air

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Maybe hail is forming in the higher cold atmosphere
Below freezing temp in higher atmosphere so freezing could happen

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How do molecules in the air compare to the ground?
How do molecules make hail?
Why is the air cooler when you go higher up?
What temperature does it need to be to snow or hail?
Are molecules moister near the ground rather than higher up in the air?
How much water could be up in the air to hail?
What is hail made of?

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AIr higher up is colder
How temp effects things
Different seasons-seasons doesn't change the fact that the temp is colder the higher up you go.
January is the coldest both at the ground and in the air

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Hail goes from gas to liquid to solid
higher you go in the atmosphere the colder the temp gets
Seasons-winter colder in all areas but still colder higher up
movie-weather balloon used to measure weather

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Higher up you go the colder the atmosphere is and hail can form here
evaporation could create hail in the clouds b/c its colder matters because the water helps the hail form
radiosonde/weather balloon collects other info. that could help us figure out why/how hail forms

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How much colder does it have to get to snow and not hail?
Why is it colder the higher you get in the atmosphere?
Why temp drop dramatically after a storm?
Why does hail always occur in the afternoon?
Why hail and not rain and vise versa?
What conditions for hail instead of snow?
WHy is different sizes?
How does hail form?
HOw come hail is classified as common but it rarely occurs?

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How close are the particles in hail?
How does the most amount of hail stay in one place and the storm doesn't move to another place?
HOw does hail freeze so fast?
How does hail get different sizes?
How would snow not turn into hail?
HOw long does water take to evaporate?
Does different shapes increase the speed that the hail falls?
Is there more humidity when it is hailing than snowing?
Why does it hail?
HOw long does it take for hail to melt?
How hard is hail?
What do particle do to the environment?

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Learn about how air gets colder as you go higher in the atmosphere, maybe that is where the hail is forming
How hail form might be that as rain falls it goes through the cold atmosphere and freezes and falls from there
Percipitation and hail goes from gas to hail to rain to hail depending on temp

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Ground temp. on sunny days & cloudy days
Soap Bubble Bottle Experiment (molecules)
Balloon heat up & then cooled off
Hail cloud-what looks like what is happening inside of it
Water cycle

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When you heat up air molecules it rises, cool it down and it sinks
Hail cloud-movement upward to colder area of the atmosphere, hail can form here
Molecules are matter
Sun heats darker surfaces more than lighter surfaces
Amount of mass inside something doesn't change
In shade colder, sun area hotter
Sunlight reflect directly on object, reflected light is light bounced off of an object
Molecules make up everything

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When Molecules get hot they rises and when they cool they fall
What air is made of - dust, O2 Nitrogen, etc.
How water cycle works
Humidity-happens before it hails, water turns to vapor gets hot
Air movement in clouds and how they are formed
-ground temp different from air temp
-sunny days-ground and air warmer, cloudy days- ground and air cooler
-heat rises as far as it can go then gets cooler, it either stays or falls down
-surface warm, molecules spread out
-surface cooler, molecules move less and need less space
-how hail clouds move and form different shapes
-water cycle impacts how it rains or hails

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Molecules rise when they get warm
water recycles
molecules get cold come together get more dense, will fall toward ground
Higher in sky colder air
Sun gives energy to evaporate
Air is a mixture of gases
Water vapor warm rises, cool sinks
Sun heats ground directly or indirectly
-4 feet above the ground temp always the same, same time of year

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-Helps us see how hail is formed-visually (cloud video) helps us understand the concept(s), Soap Bubble Bottle (bubble rise and fall), Balloon Exp. with balloon rising from being heated and fell when it cooled as it rose into the air
-air temp effects hail-when it is warm molecules (water) rise, cool and start to fall

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How do molecules effect weather?
Why do darker colors attract sunlight?
What is the highest speed hail can fall?
What causes a cloud to expand and get so huge?
Why does the cloud have to be so large for hail to form/happen?
Can hail get stuck in a cloud and keep moving around? Will that create bigger hail?

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Sunny day more evaporation, cloudy day less
Sunny can cause evaporation, cloudy can't so water vapor can't go into air to form hail
density-when water molecules come together to form hail and fall from the sky or fall in the cloud
Balloon heating up- if air molecules heat up they can rise and go higher in cloud cooling off to form hail

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How do molecules impact hail?
How does sun effect clouds?
How does sun impact water vapor?

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-Water vapor in the cloud turns to hail can then percipitate and fall
-evaporation creates water vapor in the air that goes into the cloud so hail can form

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How cold or warm do water molecules need to be to form hail?
How does hail change size?