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Rare heat burst in Nebraska produced a massive temperature spike

16:00
3 August 2024

On the TemperatureRadar!
Rare heat burst in Nebraska, USA

Earlier in the week, a heat burst was spotted on the TemperatureRadar in western Nebraska in the US.

The TemperatureRadar shows temperatures surging nearly 10°C (20°F) within a two-hour period between midnight and 2 am local time in western Nebraska early on Tuesday 30th July.

Temperatures rose from 23.2°C (73.9°F) to 33.5°C (92.3°F)

This is called a heat burst, and is a relatively rare weather event. They are characterised by a sudden and localised increase in temperature.

They typically occur during the night-times of late spring or summer and are associated with decaying thunderstorms.

The thunderstorm that produced this heat burst can be seen on the WeatherRadar.

When a thunderstorm is dying and there is not enough precipitation falling or the air is too dry, the precipitation evaporates before reaching the surface.

The air falls quickly and warms by compression, resulting in a downburst; a blast of hot, dry wind reaching the surface.

This can lead to strong, gusty winds, alongside a sudden air temperature spike and plummet in dew point temperature.

A destructive heat burst

On 22nd May 1996, one heat burst produced gusts of 105 mph in Tipton, Oklahoma. It was responsible for $15 million in damages.

How do thunderstorms form?read more
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