000
FLUS44 KTSA 151004
HWOTSA

Hazardous Weather Outlook
National Weather Service Tulsa OK
504 AM CDT Sat Jul 15 2017

ARZ001-002-010-011-019-020-029-OKZ049-053>076-161015-
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-
504 AM CDT Sat Jul 15 2017


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

.DAY ONE...Today and Tonight.

THUNDERSTORMS WITH DANGEROUS LIGHTNING.
RISK...Elevated.
AREA...Mainly South of Interstate 40.
ONSET...Ongoing.

DANGEROUS HEAT.
RISK...Limited.
AREA...Parts of Eastern Oklahoma into West Central Arkansas.
ONSET...After 12 PM.

DISCUSSION...
Scattered showers and isolated thunderstorms ongoing early this
morning across the region will continue to be possible through
the morning hours. Additional thunderstorms are forecast to
redevelop across Eastern Oklahoma and Northwest Arkansas this
afternoon as a weak surface boundary moves through the region. The
greater thunderstorm potential looks to be mainly south of
Interstate 40...with lesser chances north of Interstate 40.
Organized severe weather is not anticipated. Overnight
tonight...a slight chance of showers and thunderstorms will remain
possible across parts of Southeast Oklahoma.

Also this afternoon...heat index values in the mid 90s to around
103 degrees will be possible across the region. The higher values
around 100 to 103 degrees are expected over parts of Eastern
Oklahoma into West Central Arkansas...especially over locations
south of the surface boundary that do not receive rainfall.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
Spotter Activation Not Expected.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.
SUNDAY...Thunderstorm Potential.
MONDAY...No Hazards.
TUESDAY THROUGH FRIDAY...Dangerous Heat Potential.

EXTENDED DISCUSSION...
A slight chance of thunderstorms will remain possible across much
of Eastern Oklahoma during the day Sunday with any development
forecast to weaken after sunset. High pressure is then forecast to
set back up over the Southern Plains for the upcoming week. This
will allow for warmer temperatures and humid conditions to return
to Eastern Oklahoma and Northwest Arkansas. Forecast heat index
values in the 100 to around 105 range will be possible each
afternoon starting Tuesday.

weather.gov/tulsa contains additional information.

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