These mark the boundary between warmer air on one side and colder air on the other. If you are close to a front and you know the front is moving towards you, you can expect a change in weather (e.g. cloud formation, precipitation, thunderstorms, and wind) when the front boundary passes over you. Mountains and large bodies of water can distort its path. On a weather map, you will notice some lines that have semi-circles or triangles on either side, or both. These indicate the boundaries for various types of fronts. With these weather patterns, rainfall can be torrential and wind speeds can be high. Blue lines with triangles on one side represents cold fronts on weather maps. The direction the triangles point is the direction in which the cold front is moving. These often bring a gradual increase in rainfall as the front approaches, followed by prompt clearing and warming after the front passes. If the warm air mass is unstable, the weather might be characterized by prolonged thunderstorms. A red line with semi-circles on one side represents warm fronts. The side the semi-circles are on represent the direction in which the warm front is heading. These are formed when a cold front overtakes a warm front. They are associated with various weather events (possibly thunderstorms) depending on whether it is a warm or cold occlusion. The passing of an occluded front usually brings drier air (lowered dew point). A purple line with semi-circles and triangles both on the same side represents occluded fronts. Whichever side they're on is the direction the occluded front is going. These indicate a non-moving boundary between two different air masses. These fronts have long continuous rainy periods that linger for extended periods in one area and move in waves. A semi-circle bordering one side and triangles along the opposite side represents that the front is not moving in any direction.
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One-sentence summary -- Observe the types and movement of fronts. Analyze a Cold front. Analyze a Warm front. Study an Occluded front. Analyze a Stationary front.

Q: Schedule regular social activities with friends throughout the week. This will give you structure, keep you connected to others, and help improve your mood. If you stay busy enough interacting with others during the weekday hours, chances are you’ll be less likely to notice feeling alone at night. Learn to get better with computers and other ways of connecting with people besides in-person. If you have friends who live far away, consider keeping in touch with them through email, Facebook, Twitter, or Skype. Schedule regular phone calls or text messages with friends for when you come home at night.  If you don’t know how to use a computer or internet-based services, libraries and community centers usually have classes to teach you the basic skills. This is also a good way to meet people in your community! Consider getting more involved in your community by volunteering, taking a class, or joining a club. This could help keep you from feeling too lonely, give you more structure, shift your mood, give you increased self-confidence, and help you meet more diverse people in your community. By the time you get home at night, you’ll feel tired and less alone because you’ve spent the day meaningfully connecting with others. Be patient. This may feel uncomfortable at first and you might have to try several different clubs or organizations before you find one where you feel more at home. You might find connection and help coping at night if you have a pet with you at home. Pets bring companionship and joy. They’re not only comforting and fun to interact with, but you can sleep with them if you’re feeling lonely or unsafe at night.  If you’re not allowed to have a pet where you live, if you’re allergic to cats or dogs, or you simply can’t afford a pet, you can even do something as simple as having a fishbowl or a bird feeder nearby your house.
A: Socialize regularly. Connect online or on the phone. Get involved. Adopt a pet.

Article: While the oven is heating, take the time time to break the bark up into chunks. Place the chunks in an ungreased pan. Let the bark cook for approximately 15 minutes. Once the time is up, remove the bark from the heat. The bark should look soft but not fully melted (don’t worry--it really is melted). Continue to stir until there are no chunks left. Use the melted almond bark for dipping treats into or pouring into a chocolate mold.
Question: What is a summary of what this article is about?
Preheat the oven to 120ºF (48.8ºC). Place the pan into the oven. Stir the bark immediately. Finished.

Article: Place your artwork on the backing and measure the space on each side. You should have the same amount of blank space above and below the artwork, as well as on the left and right sides of the piece. Make small pencil marks in the corners on the backing to record the right spot. It’s a good idea to make sure your centering looks right with the window on top of the artwork. This will give you an idea of what your final, matted piece is going to look like. Take a minute to enjoy it before you get back to work. Now that everything’s centered, it’s time to start attaching all the pieces to one another. Use something heavy, like a sock filled with coins or a heavy glass, to keep your artwork where you want it. Don’t worry too much if it shifts, though, since you’ve made marks to keep track of the centering. Use linen or archival tape to create what’s called a hinge to attach your window to the backing. Put two pieces of tape in vertical lines on each side of the back of the piece, so the sticky side doesn’t touch the backing. Lay two more pieces of tape horizontally across the vertical pieces (sticky-side down) to adhere the artwork to the backing. Linen and archival tape has the adhesive ability of regular tape, but it won’t damage your artwork or mat board. It’ll cost more than normal tape, but regular household tape contains acids and other chemicals that may eventually leak onto your artwork. If you’re using corners, take off the bottom adhesive and place four of them on the backing at each corner of the piece. For see-through mounting strips, use two on each side of the piece, or eight total, and adhere them to the backing. You can then slip the artwork directly under the corners or strips. Photo corners and strips are best for conservation, as they avoid the damage that even linen tape could cause to your piece. Lay down the window and the backing flush against each other, with the window face down. Use one long strip of linen tape to connect the window to the backing. Place the tape so one half is on the back of the window and one half is on the backing. Fold them together like you’re closing a book.  It’s best to connect the window and backing at the top of the frame. You’re now ready to put this matted print into a frame if you’d like a more finished look. You can also attach an adhesive picture hanger to the back of your backing board to hang the matted frame up on the wall by itself.
Question: What is a summary of what this article is about?
Measure to center your artwork on the backing. Check your centering by laying down your window. Use a weight to keep your artwork in place. Tape the back of your art to the backing. Use photo corners or mounting strips to attach your artwork. Attach the window mat by creating a taped hinge.