Hazardous Weather Outlook
Issued by NWS Tulsa, OK

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FLUS44 KTSA 251756
HWOTSA

Hazardous Weather Outlook
National Weather Service Tulsa OK
1256 PM CDT Tue Apr 25 2017

ARZ001-002-010-011-019-020-029-OKZ049-053>076-261030-
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-
1256 PM CDT Tue Apr 25 2017

...Severe Thunderstorms Possible This Evening...

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

.DAY ONE...This afternoon and Tonight.

TORNADO.
RISK...Limited.
AREA...Northeast Oklahoma.
ONSET...After 6 pm.

SEVERE THUNDERSTORM.
RISK...Elevated.
AREA...Northeast Oklahoma and Northwest Arkansas.
ONSET...After 6 pm.

FLASH FLOOD.
RISK...Limited.
AREA...Northeast Oklahoma and Northwest Arkansas.
ONSET...After 9 pm.

HEAVY RAIN.
RISK...Limited.
AREA... .
ONSET...After 6 pm.

SIGNIFICANT WINDS.
RISK...Limited.
AREA...Eastern Oklahoma and Northwest Arkansas.
ONSET...Ongoing.

DISCUSSION...
Thunderstorms are expected to develop by late afternoon or early
evening along an eastward advancing cold front. This activity
will likely move into parts of northeast Oklahoma generally
after 6 pm and into northwest Arkansas toward midnight.
Wind fields are favorable for rotating thunderstorms for at least
a few hours this evening...so a tornado or two will be
possible...especially across northeast Oklahoma. As the
thunderstorms increase in coverage...clusters and lines should
eventually form...with large hail and damaging winds being the
main threat as the activity tracks east toward northwest Arkansas.

Locally heavy rainfall will be possible which could result in
flooding given the recent heavy rain across the region.

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

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.
WEDNESDAY...Severe Thunderstorm Potential...High Wind
Potential...Heavy Rain Potential.
THURSDAY...Thunderstorm Potential.
FRIDAY and SATURDAY...Severe Thunderstorm Potential...Heavy Rain Potential.
SUNDAY...Thunderstorm Potential.
MONDAY...No Hazards.

EXTENDED DISCUSSION...
There will be storms ongoing early Wednesday morning, and
depending on the evolution of the squall line and cold front,
there may be a threat for additional severe storms Wednesday
across mainly far eastern Oklahoma and western Arkansas.

The stormy pattern will continue with additional severe weather
and heavy rain Friday and Saturday. With the approach of
an upper level storm system Friday afternoon...storms will develop
with the potential for large hail...damaging winds and a few
tornadoes. The severe potential will continue into Saturday...but
the main hazard may transition to heavy rain and flooding Saturday
into Sunday. At least 2 to 3 inches of rain is likely...with
localized higher amounts of 5 or 6 inches. This will definitely
cause some flash flooding and river flooding across portions of
the area this weekend.

EMERGENCY MANAGEMENT PLANNING STATEMENT...
The next few days will be active across eastern Oklahoma and
western Arkansas. Follow forecast updates to have the latest
information on the expected hazardous weather over the next few
days.

weather.gov/tulsa contains additional information.

$$


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