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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Tulsa OK
1223 PM CDT Fri Aug 17 2018

ARZ001-002-010-011-019-020-029-OKZ049-053>076-181030-
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-
1223 PM CDT Fri Aug 17 2018

...HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT FOR PORTIONS OF
SOUTHEAST OKLAHOMA...

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

.DAY ONE...This afternoon and tonight.

SEVERE THUNDERSTORM.
RISK...Limited.
AREA...Southeast Oklahoma.
ONSET...This afternoon.

HEAVY RAIN.
RISK...Limited.
    AREA...Southeast Oklahoma and western Arkansas.
    ONSET...Ongoing.

DANGEROUS HEAT.
RISK...Elevated.
AREA...Southeast Oklahoma.
ONSET...Ongoing.

DISCUSSION...
A cluster of showers and storms moved into northeast Oklahoma and
western Arkansas this morning, bringing heavy rain to portions of
northeast Oklahoma and far northwest Arkansas. Moderate rain will
continue through mid afternoon across western Arkansas. There is
an outflow boundary which extends across east central Oklahoma,
roughly from Okemah to Wister. This boundary will be a focus for
additional storm development this afternoon. The airmass south of
the boundary is becoming unstable, so if storms form, isolated
severe weather is possible. The main threats from afternoon storms
will be isolated damaging wind gusts or small hail. Heavy
downpours are likely as well.

Temperatures across southeast Oklahoma have risen into the upper
80s to lower 90s, with heat index values already in the 100 to 103
range. A heat advisory is in effect this afternoon for much of
southeast Oklahoma.

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

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
SATURDAY...Thunderstorm Potential.
SUNDAY...Thunderstorm Potential...Heavy Rain Potential.
MONDAY...Thunderstorm Potential.
TUESDAY through THURSDAY...No Hazards.

EXTENDED DISCUSSION...
Thunderstorms will remain possible across southeast Oklahoma and
west central Arkansas Saturday. Storm chances will increase area
wide late Saturday night and Sunday as a strong upper level storm
system passes just to our north. A cold front will move through
the area Monday bringing an end to thunderstorm chances.

weather.gov/tulsa contains additional information.

$$

CORFIDI



Heat Advisory

URGENT - WEATHER MESSAGE
National Weather Service Tulsa OK
1021 AM CDT Fri Aug 17 2018


OKZ049-053-070>076-172330-
/O.NEW.KTSA.HT.Y.0021.180817T1800Z-180818T0100Z/
Pushmataha-Choctaw-Muskogee-McIntosh-Sequoyah-Pittsburg-Haskell-
Latimer-Le Flore-
Including the cities of Antlers, Clayton, Hugo, Muskogee,
Checotah, Sallisaw, McAlester, Stigler, Wilburton, and Poteau
1021 AM CDT Fri Aug 17 2018

...HEAT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM CDT
THIS EVENING...

The National Weather Service in Tulsa has issued a Heat Advisory,
for portions of southeast Oklahoma, mainly south of Interstate 40.
The advisory is in effect from 1 PM this afternoon until 8 PM CDT
this evening. High temperatures in the low to mid 90s with humid
conditions will allow heat index values to reach 105 to 109
degrees in some locations.

* HEAT INDEX VALUES...Between 105 to 109 degrees this afternoon.

* IMPACTS...The combination of hot temperatures and high humidity
  will create a dangerous situation in which heat illnesses are
  possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take extra precautions if you work or spend time outside. When
possible, reschedule strenuous activities to early morning or
evening. Wear light weight and loose fitting clothing when
possible and drink plenty of water.

Anyone overcome by heat should be moved to a cool and shaded
location. Heat stroke is an emergency, call 911.

&&

$$

CORFIDI




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