Public Information Statement
Issued by NWS St. Louis, MO

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Public Information Statement
National Weather Service Saint Louis MO
631 AM CDT Tue Aug 20 2019

...SAFETY RULES FOR SEVERE THUNDERSTORMS...

A Severe Thunderstorm Watch has been issued by the National
Weather Service.  In the interest of public safety, the
following safety rules are provided.  Public and commercial
broadcast stations serving the affected area are asked to
broadcast these safety measures frequently while the watch is
in effect.

A Severe Thunderstorm Watch means conditions are favorable for
the development of severe thunderstorms in and close to the
watch area.  If you are in the watch area, keep up to date of
the latest weather information.  These storms can develop
rapidly so there may be occasions when advance warning is not
possible.

A Severe Thunderstorm Warning means a severe thunderstorm has
been observed or indicated on radar.  If you are in the path
or near the storm, take immediate actions to protect life and
property.  Follow these safety rules:

(1)  In open country, you should seek shelter and avoid trees
which can be targets for lightning.  If there is no shelter,
go to a ditch or culvert but beware of rising water which can
cause flooding.

(2)  When indoors, stay away from outside walls and windows
and go to an interior room on the lowest level.  Avoid using
electrical appliances while the storm is nearby.

(3)  In mobile homes, you should leave and seek nearby safe
shelter.

(4)  If swimming or on a boat, you should get to shore as
quickly as possible and find shelter.

A thunderstorm is considered severe when it contains one inch
or larger diameter size hail and/or wind gusts of 58 miles an
hour or greater.  A severe thunderstorm can also produce deadly
lightning and very heavy rain which can lead to flash flooding.

Remember, with any severe thunderstorm there is always the
possibility of tornadoes.

$$

Carney
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