Issue Date: 437 PM CDT Thu Aug 13 2020
Expiration: 1015 GMT 14 2020
This Outlook is for Northwest and West Central Arkansas as well as
much of Eastern Oklahoma.
.DAY ONE...Through Tonight.
AREA...Eastern Oklahoma and Northwest Arkansas.
AREA...Northeast Oklahoma and northwest Arkansas.
AREA...Portions of eastern Oklahoma.
Ongoing hot and humid conditions will result in heat index values
around 105 degrees. Conditions will improve after sunset.
Multiple clusters of strong thunderstorms will likely develop again
tonight across portions of northeast Oklahoma and northwest
Arkansas. A few of these storms could be severe with marginally
severe hail and damaging winds.
In addition, very heavy rainfall is likely in the stronger storms
and localized flash flooding may become the main concern into early
Friday morning given the slow storm motions expected. A flash flood
watch may be needed for portions of the area later as the axis of
heavier rainfall becomes more certain.
SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
Activation of the Regional Spotter Network Possible.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
FRIDAY...Thunderstorm and Dangerous Heat Potential.
SATURDAY...Dangerous Heat Potential.
SUNDAY and MONDAY...Thunderstorm Potential.
TUESDAY and WEDNESDAY...No Hazards.
Scattered thunderstorms are likely to be ongoing Friday morning
across portions of eastern Oklahoma and northwest Arkansas with a
continued threat for heavy rainfall. These storms will gradually
weaken during the morning hours with hot and humid conditions
developing both Friday and Saturday afternoons. A slight chance of
thunderstorms will return Sunday and Monday as a weak cold front
gradually pushes through the region. Dry and cooler weather is
expected for the first part of next week.
weather.gov/tulsa contains additional information.
Afton, OK Weather Warnings, Advisories and Alerts are issued by the National Weather Service.