Hazardous Weather Outlook
Issued by NWS Tulsa, OK

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FLUS44 KTSA 212149
HWOTSA

Hazardous Weather Outlook
National Weather Service Tulsa OK
550 PM CDT Fri Jul 21 2017

ARZ001-002-010-011-019-020-029-OKZ049-053>076-221030-
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-
550 PM CDT Fri Jul 21 2017

...EXCESSIVE HEAT WARNING IN EFFECT UNTIL 8 PM CDT SATURDAY...

...HEAT ADVISORY IN EFFECT UNTIL 8 PM CDT SATURDAY...

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

.DAY ONE...Late This Afternoon and Tonight.

DANGEROUS HEAT.
RISK...Significant.
    AREA...Eastern Oklahoma and Western Arkansas.
ONSET...Ongoing.

AREA AT GREATEST RISK...Generally along and west of a Ottawa to
    Wagoner to Latimer County line in eastern Oklahoma.

DISCUSSION... Late afternoon heat index values will remain in the
100 to 110 degree range across all of eastern Oklahoma and northwest
Arkansas with values beginning to decrease this evening. However,
air temperatures will only fall into the mid 70s to low 80s across
much of the region overnight...making for another warm,
uncomfortable night. Temperatures will quickly increase again
Saturday morning.

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

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
SATURDAY...Dangerous Heat Potential.
SUNDAY...Thunderstorm Potential...Dangerous Heat Potential.
MONDAY and TUESDAY...Thunderstorm Potential.
WEDNESDAY and THURSDAY...Dangerous Heat Potential.

EXTENDED DISCUSSION...
There will be another really hot day on Saturday before a cold
front approaches by late Sunday. Heat index values on Saturday will
again range from 100 to 113 degrees. Temperatures on Sunday should
be cooler than in past days, and there will be a chance for showers
and storms by late afternoon across northeast Oklahoma, spreading
into portions of east central Oklahoma and western Arkansas by
Sunday night. The chance for storms will persist into Monday, as the
cold front stalls out in the area.

weather.gov/tulsa contains additional information.

$$


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