Source: US National Oceanic and Atmospheric Administration
Note: The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.Note: Click for Watch Status Reports.
SEL3
URGENT – IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 283
NWS Storm Prediction Center Norman OK
950 PM CDT Sat May 17 2025
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Far Western Arkansas
Central and Eastern Oklahoma
* Effective this Saturday night and Sunday morning from 950 PM
until 400 AM CDT.
* Primary threats include…
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
Scattered damaging wind gusts to 70 mph possible
A tornado or two possible
SUMMARY…Mainly elevated thunderstorms should continue to pose a
threat for large hail this evening into the early overnight hours.
The largest hailstones may reach up to 1-2 inches in diameter. There
is also some chance for a cluster of thunderstorms to form over the
next few hours. If this occurs, then the threat for severe/damaging
winds would increase as well.
The severe thunderstorm watch area is approximately along and 50
statute miles north and south of a line from 55 miles northwest of
Chickasha OK to 5 miles east southeast of Fort Smith AR. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU3).
PRECAUTIONARY/PREPAREDNESS ACTIONS…
REMEMBER…A Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch area.
Persons in these areas should be on the lookout for threatening
weather conditions and listen for later statements and possible
warnings. Severe thunderstorms can and occasionally do produce
tornadoes.
&&
OTHER WATCH INFORMATION…CONTINUE…WW 279…WW 280…WW
281…WW 282…
AVIATION…A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
28035.
…Gleason
SEL3
URGENT – IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 283
NWS Storm Prediction Center Norman OK
950 PM CDT Sat May 17 2025
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Far Western Arkansas
Central and Eastern Oklahoma
* Effective this Saturday night and Sunday morning from 950 PM
until 400 AM CDT.
* Primary threats include…
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
Scattered damaging wind gusts to 70 mph possible
A tornado or two possible
SUMMARY…Mainly elevated thunderstorms should continue to pose a
threat for large hail this evening into the early overnight hours.
The largest hailstones may reach up to 1-2 inches in diameter. There
is also some chance for a cluster of thunderstorms to form over the
next few hours. If this occurs, then the threat for severe/damaging
winds would increase as well.
The severe thunderstorm watch area is approximately along and 50
statute miles north and south of a line from 55 miles northwest of
Chickasha OK to 5 miles east southeast of Fort Smith AR. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU3).
PRECAUTIONARY/PREPAREDNESS ACTIONS…
REMEMBER…A Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch area.
Persons in these areas should be on the lookout for threatening
weather conditions and listen for later statements and possible
warnings. Severe thunderstorms can and occasionally do produce
tornadoes.
&&
OTHER WATCH INFORMATION…CONTINUE…WW 279…WW 280…WW
281…WW 282…
AVIATION…A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
28035.
…Gleason
Note: The Aviation Watch (SAW) product is an approximation to the watch area. The actual watch is depicted by the shaded areas.
SAW3
WW 283 SEVERE TSTM AR OK 180250Z – 180900Z
AXIS..50 STATUTE MILES NORTH AND SOUTH OF LINE..
55NW CHK/CHICKASHA OK/ – 5ESE FSM/FORT SMITH AR/
..AVIATION COORDS.. 45NM N/S /55WNW OKC – 5S FSM/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 550. MEAN STORM MOTION VECTOR 28035.
LAT…LON 36389866 36039429 34589429 34939866
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU3.
Watch 283 Status Report Message has not been issued yet.
Note: Click for Complete Product Text.Tornadoes
Probability of 2 or more tornadoes
Low (20%)
Probability of 1 or more strong (EF2-EF5) tornadoes
Low (5%)
Wind
Probability of 10 or more severe wind events
Mod (40%)
Probability of 1 or more wind events > 65 knots
Low (20%)
Hail
Probability of 10 or more severe hail events
Mod (40%)
Probability of 1 or more hailstones > 2 inches
Mod (30%)
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
High (70%)
For each watch, probabilities for particular events inside the watch (listed above in each table) are determined by the issuing forecaster. The “Low” category contains probability values ranging from less than 2% to 20% (EF2-EF5 tornadoes), less than 5% to 20% (all other probabilities), “Moderate” from 30% to 60%, and “High” from 70% to greater than 95%. High values are bolded and lighter in color to provide awareness of an increased threat for a particular event.