Radar Animation for Indianapolis, IN

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Change Units:    °F and mph  -   °C and km/h  -   °C and mph (U.K.)

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Also see: Non-Animated Radar
 

National Weather Conditions--Current

National Weather Map--Today

Todays National Weather Map

National Weather Forecast--Tomorrow

National Weather Map--Tomorrow

Tomorrows National Weather Map

North America Infrared

This infrared image shows the relative warmth of objects. Colder objects are brighter and warmer objects are darker. Lower layers of clouds are generally warmer and are gray. Colder and higher clouds tops are highlighted in colors.

Infrared Map

North America Water Vapor (Moisture)

This map shows recent moisture content over North America. Bright and colored areas show high moisture (ie, clouds ); brown indicates very little moisture present; black indicates no moisture.

Water Vapor Map

UV Index Forecast

This map shows expected UV Index values. We all know that exposure to the sun generally feels good and produces Vitamin D for the skin; however, too much exposure to the sun's ultraviolet (UV) radiation can be dangerous as it can cause sunburn, skin cancer and cataracts. The UV Index represents the risk of overexposure to the sun on a scale of 1 to 11+, where 1 is low risk and 11+ is an extreme risk.

UV Index map

National Weather Alerts and Warnings

National Weather Alerts and Warnings. Note that Coordinated Universal Time (UTC) is a 24-hour time standard, is determined using atomic clocks, and expresses the mean solar time at the Earth's prime meridian (zero degrees longitude) located near Greenwich, England. Time zones around the world are expressed as positive or negative offsets from UTC (Eastern Time is -4 hours and Pacific Time is -7 hours). UTC is also often casually interchanged with Greenwich Mean Time (GMT).

National Weather Alerts Map







Weather Topic: What is Sleet?

Home - Education - Precipitation - Sleet

sleet Next Topic: Snow

Sleet is a form of precipitation in which small ice pellets are the primary components. These ice pellets are smaller and more translucent than hailstones, and harder than graupel. Sleet is caused by specific atmospheric conditions and therefore typically doesn't last for extended periods of time.

The condition which leads to sleet formation requires a warmer body of air to be wedged in between two sub-freezing bodies of air. When snow falls through a warmer layer of air it melts, and as it falls through the next sub-freezing body of air it freezes again, forming ice pellets known as sleet. In some cases, water droplets don't have time to freeze before reaching the surface and the result is freezing rain.

Next Topic: Snow

Weather Topic: What are Cirrus Clouds?

Home - Education - Cloud Types - Cirrus Clouds

cirrus clouds Next Topic: Cirrocumulus Clouds

Cirrus clouds are high-level clouds that occur above 20,000 feet and are composed mainly of ice crystals. They are thin and wispy in appearance.

What do they indicate?
They are often the first sign of an approaching storm.

Next Topic: Cirrocumulus Clouds

This page shows animated radar for the following ZIP codes:
46201, 46202, 46203, 46204, 46205, 46206, 46207, 46208, 46209, 46211, 46214, 46216, 46217, 46218, 46219, 46220, 46221, 46222, 46223, 46224, 46225, 46226, 46227, 46228, 46229, 46230, 46231, 46234, 46235, 46236, 46237, 46239, 46240, 46241, 46242, 46244, 46247, 46249, 46250, 46251, 46253, 46254, 46255, 46256, 46259, 46260, 46262, 46266, 46268, 46274, 46277, 46278, 46280, 46282, 46283, 46285, 46290, 46291, 46295, 46298