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Public Information Statement
Issued: 4:10 PM CDT Aug. 18, 2018 – National Weather Service

... Cold air funnels noted around the area...

There have been reports of cold air funnels this afternoon in
Pemiscot County in the Missouri bootheel and in Hamilton County in
southeast Illinois.

These cold air funnels were developing underneath a few showers
that are moving across the area. Underneath these showers,
spinning columns of air that look like tornadoes may continue to
develop. These funnels usually are very brief and rarely touch the
ground. If these funnels do touch down, the most likely will not
cause damage to life or properly.

Cold air funnels are due to relatively cool air aloft, warm moist
air near the ground, and are usually in association with a strong
area of low pressure in the upper levels of the atmosphere. Due
to little or no wind shear, the cold air funnels are usually weak
and very brief.


Smith

410 PM CDT Sat Aug 18 2018

... Cold air funnels noted around the area...

There have been reports of cold air funnels this afternoon in
Pemiscot County in the Missouri bootheel and in Hamilton County in
southeast Illinois.

These cold air funnels were developing underneath a few showers
that are moving across the area. Underneath these showers,
spinning columns of air that look like tornadoes may continue to
develop. These funnels usually are very brief and rarely touch the
ground. If these funnels do touch down, the most likely will not
cause damage to life or properly.

Cold air funnels are due to relatively cool air aloft, warm moist
air near the ground, and are usually in association with a strong
area of low pressure in the upper levels of the atmosphere. Due
to little or no wind shear, the cold air funnels are usually weak
and very brief.


Smith


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