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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Tulsa OK
518 PM CDT Fri Oct 20 2017

ARZ001-002-010-011-019-020-029-OKZ049-053>076-211000-
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-
518 PM CDT Fri Oct 20 2017

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

.DAY ONE...Tonight.

THUNDERSTORMS WITH DANGEROUS LIGHTNING.
RISK...Limited.
AREA...Eastern Oklahoma and Northwest Arkansas.
ONSET...This evening.

DISCUSSION...
There remains a small chance of thunderstorms this evening and
into the overnight hours across parts of eastern Oklahoma and
northwest Arkansas. Severe weather is not expected with this
activity.

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

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

EXTENDED DISCUSSION...
Thunderstorms are expected to develop to the west and northwest
Saturday afternoon along a cold front and move into northeast
Oklahoma by early Saturday evening and spread into northwest
Arkansas Saturday night. An enhanced severe thunderstorm risk is
forecast with damaging winds...large hail and also a low tornado
potential during the initial storm development. Late evening and
overnight Saturday...storms are forecast to become more linear and
transition to mainly a damaging wind threat as the front moves
through the region. The front looks to be exiting southeast
Oklahoma and northwest Arkansas early Sunday morning.

In addition to the severe potential, heavy rainfall remains
possible through Saturday night, with widespread 1 to 2 inch rain
amounts, with local amounts near 4 inches. These amounts may lead
to flash flooding and/or river flooding.

Behind the exiting front...breezy northerly winds look to continue
Sunday with cooler and drier conditions for the first half of next
week.

EMERGENCY MANAGEMENT PLANNING STATEMENT...
Persons attending outdoor events Saturday evening should prepare
for thunderstorms with the potential for severe weather. The
overall tornado threat will continue to be assessed as additional
data becomes available as the event approaches.

weather.gov/tulsa contains additional information.

$$



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