Hazardous Weather Outlook
Issued by NWS Tulsa, OK

Home | Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

820
FLUS44 KTSA 181759
HWOTSA

Hazardous Weather Outlook
National Weather Service Tulsa OK
1259 PM CDT Fri Aug 18 2017

ARZ001-002-010-011-019-020-029-OKZ049-053>076-191015-
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-
1259 PM CDT Fri Aug 18 2017

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

.DAY ONE...Today and Tonight.

SEVERE THUNDERSTORM.
RISK...Limited.
AREA...Northeast Oklahoma and western Arkansas.
ONSET...Late this afternoon.

FLASH FLOOD.
RISK...Limited.
AREA...Eastern Oklahoma and far northwest Arkansas.
ONSET...Evening into the overnight hours.

HEAVY RAIN.
RISK...Limited.
AREA...Eastern Oklahoma and west-central Arkansas.
ONSET...Evening into the overnight hours.

DANGEROUS HEAT.
RISK...Limited.
AREA...Eastern Oklahoma and west-central Arkansas.
ONSET...Ongoing.


DISCUSSION...
Isolated to scattered showers and thunderstorms will be possible
this afternoon as an outflow boundary moves east across the region.
Some of these storms could be strong to severe with strong gusty
winds and large hail the main concern. Higher thunderstorm chances arrive
later this evening into the overnight hours, as a storm complex develop
across the Central Plains and tracks southeastward. Conditions may support a more
concentrated risk of severe weather depending how and where the storm complex
develops. Locally heavy rain will be possible this evening and overnight as
the storms spread southeastward. Locations across northeast Oklahoma and far
northwest Arkansas are currently forecast to receive the highest rainfall totals.

Additionally, afternoon heat index values of 100 to 105 degrees can be expected
again today across much of eastern Oklahoma and west central Arkansas.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
Local Spotter Activation May Be Needed.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
SATURDAY and Sunday...Thunderstorm Potential...Dangerous Heat Potential.
MONDAY and Thursday...Thunderstorm Potential.

EXTENDED DISCUSSION...
Thunderstorm chances will continue early Saturday with
lesser storm chances from Saturday afternoon through
Sunday.  Afternoon heat index values of 100 to 105 degrees
will be common over the weekend into early next week.
Thunderstorm chances will remain relatively low Sunday
and Monday with increasing chances by the middle of
next week as a cold front moves through the area.

weather.gov/tulsa contains additional information.

$$



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.