Issue Date: 1202 PM CDT Sun May 16 2021
At 12:02 PM...Doppler radars detected an area of rain showers
lifting northeast out of south-central Oklahoma and into the
eastern part of the state. These showers were moving northeast at
around 30 mph.
Through 2:00 PM...Scattered showers and isolated thunderstorms
will be possible for locations across eastern OKlahoma, generally
along and to the west of a Copan to Wister line. Average hourly
rainfall of up to one tenth of an inch will be common, with
locally higher amounts to near one half inch possible in heavier
Issue Date: 505 AM CDT Sun May 16 2021
This Outlook is for Northwest and West Central Arkansas as well as
much of Eastern Oklahoma.
.DAY ONE...Today and Tonight.
AREA...Eastern Oklahoma and Northwest Arkansas.
ONSET...Mid Afternoon and Evening.
AREA...Primarily Eastern Oklahoma.
Showers and thunderstorms are forecast to expand across
eastern Oklahoma this afternoon and into northwest Arkansas
this evening. A few strong to severe storms will be possible
during this time frame. Additional storms are likely to develop
overnight with both heavy rainfall and limited severe weather
potential. Portions of eastern Oklahoma may receive isolated
rainfall totals that raise flooding concerns.
SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
Local Spotter Activation May Be Needed.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
MONDAY through WEDNESDAY...Thunderstorm and Heavy Rain Potential.
THURSDAY through SATURDAY...Thunderstorm Potential.
Widespread showers and thunderstorms are likely to be ongoing
Monday morning with a continued risk of heavy rainfall. A
brief lull in rain chances is forecast Monday afternoon, with
the next round of widespread rains expected Monday night
through Tuesday. The repeated widespread rain periods will
allow heavy rainfall accumulations and both flash flooding
and mainstem river flooding may become a hazard.
The unsettled weather pattern is likely to extend into late
next week. Heavy rainfall and flooding potential
will remain the primary concern.
EMERGENCY MANAGEMENT PLANNING STATEMENT...
Flood watches and warnings may be required with updated
forecasts. Areal flooding, including larger river
flooding, should be anticipated especially across
portions of southeast and also far northeast Oklahoma.
weather.gov/tulsa contains additional information.