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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Tulsa OK
501 AM CDT Thu Sep 20 2018

ARZ001-002-010-011-019-020-029-OKZ049-053>076-211015-
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-
501 AM CDT Thu Sep 20 2018

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...Eastern Oklahoma and Northwest Arkansas.
ONSET...This Afternoon and then Late Tonight.

DANGEROUS HEAT.
RISK...Limited.
AREA...Eastern Oklahoma and West Central Arkansas.
ONSET...Noon.

FIRE WEATHER DANGER.
RISK...Elevated.
AREA...Eastern Oklahoma and Northwest Arkansas.
ONSET...Noon.

DISCUSSION...
Unseasonably hot temperatures combined with high humidity will result
in heat index values approaching 100 degrees across much of eastern
Oklahoma and west central Arkansas this afternoon. Widely scattered
thunderstorms may develop in the terrain of far eastern Oklahoma and
western Arkansas late this afternoon into this evening. Severe
weather is not expected with any activity that does develop but wind
gusts to 50 mph and occasional lightning can be expected. Gusty
southerly wind combined with the hot temperatures will raise the
potential for rapid fire spread this afternoon.

Showers and thunderstorms are expected to approach northeastern
Oklahoma late tonight from the west and northwest. None of this
activity is expected to be severe, although frequent lightning, wind
gusts to 50 mph, and brief but locally heavy rainfall can be
expected.

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

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
FRIDAY through SUNDAY...Thunderstorm Potential...Heavy Rain
Potential.
MONDAY and TUESDAY...Thunderstorm Potential.
WEDNESDAY...No Hazards.

EXTENDED DISCUSSION...
Showers and thunderstorms are expected to become widespread across
much of eastern Oklahoma and northwest Arkansas on Friday as a cold
front moves into the area. This front is expected to focus heavy
rainfall as it slowly moves southward across the region through
Sunday. An axis of three to five inch rainfall amounts is expected to
occur across portions of eastern Oklahoma and west central Arkansas
Friday through Sunday, with locally heavier amounts likely.
Forecasts will continue to refine the expected amounts and the area
most likely to receive the heaviest rainfall, but at this time the
heaviest rainfall appears to occur across southeastern Oklahoma and
west central Arkansas. This amount of rain may produce areas of
flooding and flash flooding.

weather.gov/tulsa contains additional information.

$$

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