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2 products issued by NWS for: Tiawah OK
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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Tulsa OK
459 PM CDT Thu Jun 20 2019

ARZ001-002-010-011-019-020-029-OKZ049-053>076-211030-
Adair OK-Benton AR-Carroll AR-Cherokee OK-Choctaw OK-Craig OK-
Crawford AR-Creek OK-Delaware OK-Franklin AR-Haskell OK-Latimer OK-
Le Flore OK-Madison AR-Mayes OK-McIntosh OK-Muskogee OK-Nowata OK-
Okfuskee OK-Okmulgee OK-Osage OK-Ottawa OK-Pawnee OK-Pittsburg OK-
Pushmataha OK-Rogers OK-Sebastian AR-Sequoyah OK-Tulsa OK-Wagoner OK-
Washington OK-Washington AR-
459 PM CDT Thu Jun 20 2019

This Outlook is for Northwest and West Central Arkansas as well as
much of Eastern Oklahoma.

.DAY ONE...Through Tonight.

SEVERE THUNDERSTORM.
RISK...Limited.
AREA...Mainly northeast Oklahoma and northwest Arkansas.
ONSET...Tonight.

DANGEROUS HEAT.
RISK...Elevated.
AREA...Eastern Oklahoma and western Arkansas.
ONSET...Ongoing...but improving after sunset


DISCUSSION...
Heat index values between 100 and 105 degrees will remain ongoing
into the early evening hours. Conditions will improve after
sunset.

A few isolated thunderstorms will be possible later this evening
into the overnight hours across portions of northeast Oklahoma and
northwest Arkansas. A few of these storms may become marginally
severe, however overall thunderstorm coverage is expected to
remain limited.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
Local Spotter Activation May Be Needed.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
FRIDAY...High Wind Potential...Dangerous Heat Potential.
SATURDAY and SUNDAY...Severe Thunderstorm Potential...High Wind
Potential...Heavy Rain Potential.
MONDAY and TUESDAY...Severe Thunderstorm Potential.
WEDNESDAY...Thunderstorm Potential.

EXTENDED DISCUSSION...
Temperatures are expected to be even hotter on Friday with high
temperatures in the lower to middle 90s. Heat index values will
be between 100 and 105 degrees across much of eastern Oklahoma and
west central Arkansas.

The chances of thunderstorms increase Saturday and continue into
early next week as a series of upper level disturbances and a slow
moving surface frontal boundary affect the area. Severe weather
chances will exist during this time frame as will the potential
for heavy rain.

weather.gov/tulsa contains additional information.

$$



Air Quality Alert

Relayed By
National Weather Service TULSA OK
307 PM CDT Wed Jun 19 2019

OKZ054-060-061-064-067-210215-
Osage-Tulsa-Rogers-Creek-Wagoner-
Including the cities of Pawhuska, Tulsa, Claremore, Sapulpa,
and Wagoner
310 PM CDT Wed Jun 19 2019

...OZONE ALERT THURSDAY...

The Oklahoma Department of Environmental Quality has issued an ozone
alert for Thursday, for the Tulsa metropolitan area.

An ozone alert means that conditions are favorable for the
buildup of ozone near the ground, to an unhealthy level.
When winds are light, the vapors from fuels such as gasoline,
exhaust from engines, and air pollutants from industrial activities
remain trapped near the ground. If sunshine is abundant when these
air pollutants build up, a chemical process is triggered that
results in the development of ozone near the ground during the
afternoon and evening hours.

While ozone in the upper levels of the atmosphere is beneficial in
screening the suns radiation, it is harmful near the ground. Ozone
can bother those with respiratory problems and can damage vegetation.

A few simple measures can be taken to help keep the ozone levels from
becoming unhealthy. During ozone alert days:

Postpone any unnecessary driving and car pool if possible.
If you do drive to work,turn The air conditioner in
your car off during your morning commute. You can also cut down on
extra driving by bringing your lunch to work. If you must refuel your
vehicle, do it in the evening after the sun goes down or
postpone your fueling to another day.

Postpone running the lawn mower and gas trimmer, the exhaust from
these small engines contributes a significant amount of pollution
to the air. Industrial facilities should reduce pollution emissions
as much as possible on ozone alert days.

These preventative measures, performed throughout the Tulsa metro
area, can have a tremendous effect in reducing the pollutants that
contribute to ozone problems.

For further information, contact The Oklahoma Department of
Environmental Quality at (918) 293-1600 or the Indian Nations
Council of Governments /incog/ at (918) 584-7526. Additional
information can also be found at www.ozonealert.com...
including current ozone levels around the Tulsa area.

$$



U.S. Dept. of Commerce
NOAA National Weather Service
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Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
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