Issue Date: 620 PM CDT Sun May 16 2021
At 6:15 PM...National Weather Service doppler radars continued to
detect scattered showers and thunderstorms moving east and
northeast across eastern Oklahoma. The strongest activity was
noted across portions of McIntosh and Pittsburg counties. All of
this activity was moving northeast at around 30 miles per hour.
Through 9:00 PM...Gusty winds around 30 to 40 mph will be possible
along and behind the stronger band of storms across parts of east
central Oklahoma. Additional storms could affect portions of far
southeast Oklahoma as well. While organized severe weather is not
expected, a storm or two may become briefly severe with hail and
strong winds being the main threat. This activity will also
eventually spread into northwest Arkansas.
Issue Date: 456 PM CDT Sun May 16 2021
This Outlook is for Northwest and West Central Arkansas as well as
much of Eastern Oklahoma.
.DAY ONE...This Evening and Tonight.
AREA...Eastern Oklahoma and Northwest Arkansas.
AREA...Mainly Eastern Oklahoma.
Showers and scattered thunderstorms will continue to track east and
northeast across eastern Oklahoma and into northwest Arkansas through
the remainder of the afternoon and evening. A few strong to briefly
severe storms will be possible during this time frame, but no organized
severe weather is expected. Locally heavy rainfall will be possible,
especially across eastern Oklahoma, and some localized flooding may
Additional storms are likely to develop overnight with both heavy
rainfall and limited severe weather potential.
SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
Local Spotter Activation May Be Needed.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
MONDAY through WEDNESDAY...Thunderstorm Potential...Heavy Rain Potential.
THURSDAY through SATURDAY...Thunderstorm Potential.
A few showers and thunderstorms may still be ongoing early Monday
morning with a continued risk of heavy rainfall. A brief lull in
rain chances is forecast later Monday, 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 parts of southeast and also far
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