Hazardous Weather Outlook
Issued by NWS Tulsa, OK

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FLUS44 KTSA 222208
HWOTSA

Hazardous Weather Outlook
National Weather Service Tulsa OK
508 PM CDT Sat Jul 22 2017

ARZ001-002-010-011-019-020-029-OKZ049-053>076-231045-
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-
508 PM CDT Sat Jul 22 2017

...DANGEROUS HEAT CONTINUES THROUGH SUNDAY...

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...Limited.
AREA...Northeast Oklahoma.
ONSET...Mainly after midnight.

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...
Dangerous Heat Index values of 100 to 115 degrees have been
observed across the area this afternoon. Conditions will be slow
to improve through the evening. The combination of hot
temperatures and high humidity will continue to create a dangerous
situation in which heat illnesses are possible. Drink plenty of
fluids, stay in an air- conditioned room, stay out of the sun, and
check up on relatives and neighbors.

Isolated thunderstorms across central Oklahoma will most likely
remaining to the west of the area this evening. Later this
evening, a cluster of showers and storms is expected to develop
across portions of Kansas. Some of these storms may move across
the border into extreme northeast Oklahoma after midnight. If this
occurs, lightning, gusty winds and brief downpours are possible.

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

.DAYS TWO THROUGH SEVEN...Sunday through Friday.
SUNDAY through TUESDAY...Thunderstorm Potential...Dangerous Heat Potential.
WEDNESDAY through FRIDAY...Dangerous Heat Potential.

EXTENDED DISCUSSION...
Dangerous Heat Index values of 100 to around 110 degrees are
expected again Sunday afternoon. Some relief to the current heat
wave may be coming, as a front approaches the area Sunday. Showers
and thunderstorms are possible along the boundary by late Sunday
afternoon into the evening. Although shear will be weak, the very
hot temperatures may allow strong or severe thunderstorm wind
gusts with storms as they collapse. The most likely time for
strong or isolated severe storms will be late Sunday afternoon,
mainly after 4 PM into the evening hours. The chance for storms
will continue through Tuesday across portions of the area.

Dangerous heat is again possible Sunday afternoon
before storms develop, and then again by the end of the week.

weather.gov/tulsa contains additional information.

$$



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