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2 products issued by NWS for: Tulsa OK
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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Tulsa OK
1040 AM CDT Wed Apr 26 2017

ARZ001-002-010-011-019-020-029-OKZ049-053>076-271030-
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-
1040 AM CDT Wed Apr 26 2017

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

.DAY ONE...Rest of Today and Tonight.

THUNDERSTORMS WITH DANGEROUS LIGHTNING.
RISK...Elevated.
AREA...Far Eastern Oklahoma and Western Arkansas.
ONSET...Ongoing.

FLASH FLOOD.
RISK...Elevated.
AREA...Far Eastern Oklahoma and Western Arkansas.
ONSET...Ongoing.

HEAVY RAIN.
RISK...Elevated.
AREA...Far Eastern Oklahoma and Western Arkansas.
ONSET...Ongoing.

DISCUSSION...
Strong to severe thunderstorms have moved east of the area late this
morning...with mainly lingering areas of showers and a few
thunderstorms remaining across far eastern Oklahoma and western
Arkansas. Additional severe weather is not expected the remainder of
the day.

Evening and overnight rainfall resulted in areas of flooding
especially across northwest Arkansas. The threat of additional
heavy rainfall has ended...but periods of light to moderate rain
will continue into the afternoon. A Flash Flood Watch remains in
effect until 1 PM for portions of the area.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
Activation of the Spotter Network is not expected. Please relay
any reports of storm damage or flooding to the NWS in Tulsa.

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

EXTENDED DISCUSSION...
There may be a brief lull in thunderstorms late Wednesday into
Thursday between weather systems. Additional storms may form
Thursday evening as the next low pressure system approaches.

On Friday, a warm front will move north across central and
eastern Oklahoma and be a focus for strong to severe
thunderstorms. The airmass may remain capped much of the afternoon
on Friday, with the better chance for storms developing by late
afternoon into early evening. Strong deep layer wind shear and
moderate instability will support supercells capable of large
hail, damaging winds and tornadoes across much of the Southern
Plains. Eventually, these late afternoon and evening storms will
form a large complex of storms, with the potential for heavy rain.

Flooding is becoming an increasing concern for this weekend`s
upcoming storm system. It now appears that 6-7 inches of rain is
possible for portions of southeast Oklahoma into western Arkansas
with isolated higher amounts. This will cause river flooding as
well as flash flooding.

EMERGENCY MANAGEMENT PLANNING STATEMENT...
Continue to follow the latest updates regarding the expected
hazardous weather this week.

weather.gov/tulsa contains additional information.

$$




Short Term Forecast

Short Term Forecast
National Weather Service Tulsa OK
1000 AM CDT Wed Apr 26 2017

ARZ001-002-010-011-019-020-029-OKZ049-053>076-261700-
Benton-Carroll-Washington AR-Madison-Crawford-Franklin-Sebastian-
Pushmataha-Choctaw-Osage-Washington OK-Nowata-Craig-Ottawa-Pawnee-
Tulsa-Rogers-Mayes-Delaware-Creek-Okfuskee-Okmulgee-Wagoner-
Cherokee-Adair-Muskogee-McIntosh-Sequoyah-Pittsburg-Haskell-
Latimer-Le Flore-
Including the cities of Rogers, Bentonville, Berryville,
Eureka Springs, Fayetteville, Springdale, Huntsville, Van Buren,
Ozark, Charleston, Fort Smith, Antlers, Clayton, Hugo, Pawhuska,
Bartlesville, Nowata, Vinita, Miami, Pawnee, Tulsa, Claremore,
Pryor, Grove, Jay, Sapulpa, Okemah, Okmulgee, Wagoner, Tahlequah,
Stilwell, Muskogee, Checotah, Sallisaw, McAlester, Stigler,
Wilburton, and Poteau
1000 AM CDT Wed Apr 26 2017

.NOW...

At 10:00 AM, National Weather Service doppler radars continued to
detect scattered showers and thunderstorms affecting much of
eastern Oklahoma and western Arkansas, especially along and east
of a line from Grove to Blanco. The stronger storms had shifted
east into Arkansas, leaving mainly light to moderate rain across
our forecast area. All this activity was moving toward the
northeast, around 45 miles per hour.

Through 12:00 PM, Scattered showers with isolated embedded
thunderstorms will continue to affect eastern Oklahoma and
western Arkansas. The severe storm threat has diminished, however
continued rain will likely cause flooding issues, especially
across northwest Arkansas.

$$

16




U.S. Dept. of Commerce
NOAA National Weather Service
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Silver Spring, MD 20910
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