What do you get for 500mb

Vorticity is simply the rotation of a fluid in meteorology, the rotation of air which can be in any three1dimensional direction. In synoptic meteorology our concern is rotation perpendicular to the earth's surface. On the mb chart, the vorticity identified is called "absolute vorticity". This is a combination of shear vorticity and rotation vorticity that determine the total spin at any location. Take it to the MAX! The "Spin" Zone. The higher the vorticity number the faster the rotation.

These "vorticity maximum" also help us locate the shortwave troughs that are embedded within the longwaves in the atmosphere. However, as was stated in the introduction to the constant pressure charts, is not the value of vorticity that is as important as is the rate of change by which vorticity increases or decreases.

Downstream from ahead of areas of maximum vorticity are the locations of the greatest rate of increase in vorticity. This implies an area where air converges at the low levels and therefore rises into the atmosphere, possibly leading to precipitation.

Conversely, upstream from behind areas of vorticity maximum are where greatest rates of decrease in vorticity are located and is where air sinks and diverges in the lower levels , leading to fair or improving weather.

Besides vorticity, moisture is important to help determine where precipitation will or will not occur. The mb level chart looks at the amount of moisture in the atmosphere by displaying relative humidity. However, remember this is only at the mb level. The following table shows a list of currently available deals:. Contract lengths will vary when taking a Pay Monthly contract. You'll normally need to undergo a credit check when taking out a Pay Monthly contract. There's no commitment to renewing your bundle every month.

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This makes a MB data allowance is a little smaller than average. However, if you find yourself mainly using a wi-fi connection when at home or at work, it's possible you won't need as much data as the average consumer.

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