Predicting Weather

© Copyright 2010.  M. J. Krech. All rights reserved.

Cold FrontCold Front

In the US, most Cold FrontsCold Fronts travel in a west to eastwest to east direction across the country.

Cold FrontCold Front

As a Cold FrontCold Front passes, the wind will normally shift from a southerly southerly to a northerlynortherly direction.

Cold FrontCold Front

Another indicator of an approaching Cold Front is the presence of Cumulonimbus CloudsCumulonimbus Clouds.

Cold FrontCold Front

Colder weather occurs after a Cold Cold FrontFront has passed.

Warm FrontWarm Front

In the US, most Warm FrontsWarm Fronts travel in a west to eastwest to east direction across the country.

Warm FrontWarm Front

When a Warm FrontWarm Front passes, the wind will normally shift from an east-southeasteast-southeast to south-southwestsouth-southwest direction.

SSE ahead of frontSSW behind front

Warm FrontWarm Front

Another indicator of an approaching Warm Warm FrontFront is the presence of Nimbostratus Nimbostratus CloudsClouds.

Warm FrontWarm Front

Warmer weather occurs after a Warm FrontWarm Front has passed.

High Pressure

A High Pressure High Pressure system is an area that has diverging, sinking winds and a clockwise rotation.

H

High Pressure

Fair weatherFair weather is typically associated with high pressure.

High Pressure

Rising pressure indicates sunny weather is approaching.

Low Low PressurePressure

A Low PressureLow Pressure system is an area that has converging, rising winds and a counter-clockwise rotation.

L

Low Low PressurePressure

Stormy weatherStormy weather is often associated with low pressure systems.

Low Low PressurePressure

Sinking pressure indicates rainy rainy weatherweather is approaching.

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The End