Hazardous Weather Outlook
Issued by NWS Tulsa, OK

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020
FLUS44 KTSA 191019
HWOTSA

Hazardous Weather Outlook
National Weather Service Tulsa OK
519 AM CDT Fri May 19 2017

ARZ001-002-010-011-019-020-029-OKZ049-053>076-201000-
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-
519 AM CDT Fri May 19 2017

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

.DAY ONE...Today and Tonight.
TORNADO.
RISK...Limited.
AREA...Eastern Oklahoma and Northwest Arkansas.
ONSET...Late afternoon.

SEVERE THUNDERSTORM.
RISK...Significant.
AREA...Eastern Oklahoma and Northwest Arkansas.
ONSET...This afternoon.

FLASH FLOOD.
RISK...Elevated.
AREA...Eastern Oklahoma and Northwest Arkansas.
ONSET...Late afternoon.

HEAVY RAIN.
RISK...Elevated.
AREA...Eastern Oklahoma and Northwest Arkansas.
ONSET...This afternoon.

DISCUSSION...
A complex scenario is unfolding today, with multiple rounds of
storms possible. Overnight storms have left behind several outflow
boundaries, and ongoing storms across northeast Oklahoma are
expected to weaken this morning.

Thunderstorm redevelopment is expected this afternoon near any
leftover boundaries, and any storm that develops has the potential
to be severe, with all modes of severe weather possible. By late
afternoon or early evening, a squall line is likely to develop
along an advancing cold front, and this line of storms will push
east across the area through the overnight hours. Damaging winds
will be the main threat with the squall line, but isolated brief
tornadoes will also be possible. Marginally severe hail may also
occur with the strongest storms in the line.

Additional heavy rainfall this afternoon and tonight may result in
flash flooding, especially in places that saw the heaviest
rainfall Thursday night.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
Activation of the Regional Spotter Network Expected.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.
SATURDAY...Thunderstorm Potential.
SUNDAY...No Hazards.
MONDAY and TUESDAY...Thunderstorm Potential.
WEDNESDAY and THURSDAY...No Hazards.

EXTENDED DISCUSSION...
Showers and thunderstorms will end from west to east during the
day Saturday. The next storm system will affect the area Monday
into Tuesday bringing a chance of thunderstorms, but only a
limited risk of severe weather.

weather.gov/tulsa Contains additional information.

$$



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