Vanderburgh Severe Watches & Warnings NOAA Weather Radio

Watches & Warnings

Special Statement, Air Quality Alert
Issued: 3:06 PM CDT Aug. 19, 2017 – National Weather Service

... Afternoon heat indices 100 to 105 degrees Sunday and Monday...

High pressure aloft will build over the region through Monday.
This will lead to increasing heat and humidity across the quad
state region. Southeast Missouri and southern Illinois will
experience the worst conditions with heat index values topping out
from 100 to 105 degrees each afternoon. Isolated showers and
thunderstorms may provide some relief for a few locations, but
most of this region will remain dry both days. Elsewhere, across
southwest Indiana and west Kentucky heat index values will top out
from 95 to 100 degrees each afternoon.

With large numbers of people expected to be outdoors Sunday
through Monday, the potential for heat related illness may
increase, especially for those not accustomed to the typical heat
and humidity of late August.

Be sure to drink plenty of water and find opportunities to keep
cool in the shade, when possible.

The heat should move out of the area later on Tuesday, as showers
and thunderstorms usher in cooler air for the middle of next week.


Drs

458 am CDT Sat Aug 19 2017

... Heat index values in the upper 90s to around 100 degrees
expected each afternoon from Sunday through Tuesday...

A weak high pressure ridge will build in across the area later
today and persist across most of the quad state region through
early Tuesday. Only small chances for rain are expected during
this time period.

The combination of warm temperatures in upper 80s to lower 90s,
combined with increasing humidity and light winds, will set the
stage for afternoon heat index values topping out in the upper 90s
to around 100 degrees each afternoon from Sunday through Tuesday.

The highest heat index values, between 100 and 103 degrees, are
expected over southeast Missouri and extreme southwest Illinois
and Kentucky on Sunday and Monday.

The time period of greatest concern for higher heat index values
will be from 1 PM through 5 PM CDT each day.

With large numbers of people expected to be outdoors from Sunday
through Tuesday, the potential for heat related illness may
increase, especially for those not accustomed to the typical heat
and humidity of late August.

Be sure to drink plenty of water and find opportunities to keep
cool in the shade, when possible.

The heat should move out of the area later on Tuesday, as showers
and thunderstorms usher in cooler air for the middle of next week.


Smith


458 am CDT Sat Aug 19 2017

... Heat index values in the upper 90s to around 100 degrees
expected each afternoon from Sunday through Tuesday...

A weak high pressure ridge will build in across the area later
today and persist across most of the quad state region through
early Tuesday. Only small chances for rain are expected during
this time period.

The combination of warm temperatures in upper 80s to lower 90s,
combined with increasing humidity and light winds, will set the
stage for afternoon heat index values topping out in the upper 90s
to around 100 degrees each afternoon from Sunday through Tuesday.

The highest heat index values, between 100 and 103 degrees, are
expected over southeast Missouri and extreme southwest Illinois
and Kentucky on Sunday and Monday.

The time period of greatest concern for higher heat index values
will be from 1 PM through 5 PM CDT each day.

With large numbers of people expected to be outdoors from Sunday
through Tuesday, the potential for heat related illness may
increase, especially for those not accustomed to the typical heat
and humidity of late August.

Be sure to drink plenty of water and find opportunities to keep
cool in the shade, when possible.

The heat should move out of the area later on Tuesday, as showers
and thunderstorms usher in cooler air for the middle of next week.


Smith

331 PM CDT Fri Aug 18 2017

... Air quality alert in effect from 11 am to 7 PM CDT Sunday...

The environmental protection agency in Evansville Indiana and the
Vanderburgh County health department has called for an ozone alert
for Sunday August 20, 2017. An ozone alert means that a combination
of high temperatures... light winds and other factors are expected to
produce conditions where high levels of ozone emissions may exceed
federally mandated standards. The alert is in effect from 11 am to 7
PM CDT Sunday.

A code Orange air quality alert for ozone has been issued. Members
of sensitive groups may experience health effects. The general public
is not likely to be affected. Ozone concentrations may reach or
exceed the level of the National ambient air quality standards.
Within a few hours or days... exposure to higher levels of ozone can
cause lung and throat irritation... shortness of breath... increase
the frequency of asthma attacks... and aggravate respiratory diseases
such as... asthma... emphysema... and bronchitis. Children... active
adults... and people with respiratory diseases should limit prolonged
outdoor exertion... especially during the afternoon and evening when
levels are the highest. No open burning is allowed during air quality
alerts. Here are some recommended tips to reduce the impact of
emissions. Delay any driving that is not absolutely necessary... since
auto emissions can contribute to ozone and particulate formation.
Consider public transportation if available. If you have a
respiratory illness... remain indoors with air conditioning if
possible.


Drs


331 PM CDT Fri Aug 18 2017

... Air quality alert in effect from 11 am to 7 PM CDT Sunday...

The environmental protection agency in Evansville Indiana and the
Vanderburgh County health department has called for an ozone alert
for Sunday August 20, 2017. An ozone alert means that a combination
of high temperatures... light winds and other factors are expected to
produce conditions where high levels of ozone emissions may exceed
federally mandated standards. The alert is in effect from 11 am to 7
PM CDT Sunday.

A code Orange air quality alert for ozone has been issued. Members
of sensitive groups may experience health effects. The general public
is not likely to be affected. Ozone concentrations may reach or
exceed the level of the National ambient air quality standards.
Within a few hours or days... exposure to higher levels of ozone can
cause lung and throat irritation... shortness of breath... increase
the frequency of asthma attacks... and aggravate respiratory diseases
such as... asthma... emphysema... and bronchitis. Children... active
adults... and people with respiratory diseases should limit prolonged
outdoor exertion... especially during the afternoon and evening when
levels are the highest. No open burning is allowed during air quality
alerts. Here are some recommended tips to reduce the impact of
emissions. Delay any driving that is not absolutely necessary... since
auto emissions can contribute to ozone and particulate formation.
Consider public transportation if available. If you have a
respiratory illness... remain indoors with air conditioning if
possible.


Drs

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