Storm Prediction Center Severe Thunderstorm Watch 299
4 min read
3 weeks ago
Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended. Note: Click for Watch Status Reports.
SEL9
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 299
NWS Storm Prediction Center Norman OK
1200 AM CDT Tue May 20 2025
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Far Western Arkansas
Southern and Eastern Oklahoma
North-Central Texas
* Effective this Tuesday morning from Midnight until 500 AM CDT.
* Primary threats include...
Scattered large hail and isolated very large hail events to 2.5
inches in diameter possible
Scattered damaging wind gusts to 70 mph possible
A tornado or two possible
SUMMARY...Thunderstorms should continue to increase in coverage and
intensity early this morning. Main threats should be large to very
large hail, with the largest hailstones potentially reaching up to
1.5-2.5 inches in diameter. Scattered severe/damaging winds may also
occur if thunderstorms consolidate into a small bowing cluster.
The severe thunderstorm watch area is approximately along and 45
statute miles east and west of a line from 60 miles south of Fort
Worth TX to 35 miles west northwest of Fort Smith AR. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU9).
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 297...WW 298...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
26040.
...Gleason
SEL9
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 299
NWS Storm Prediction Center Norman OK
1200 AM CDT Tue May 20 2025
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Far Western Arkansas
Southern and Eastern Oklahoma
North-Central Texas
* Effective this Tuesday morning from Midnight until 500 AM CDT.
* Primary threats include...
Scattered large hail and isolated very large hail events to 2.5
inches in diameter possible
Scattered damaging wind gusts to 70 mph possible
A tornado or two possible
SUMMARY...Thunderstorms should continue to increase in coverage and
intensity early this morning. Main threats should be large to very
large hail, with the largest hailstones potentially reaching up to
1.5-2.5 inches in diameter. Scattered severe/damaging winds may also
occur if thunderstorms consolidate into a small bowing cluster.
The severe thunderstorm watch area is approximately along and 45
statute miles east and west of a line from 60 miles south of Fort
Worth TX to 35 miles west northwest of Fort Smith AR. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU9).
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 297...WW 298...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
26040.
...Gleason
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW9
WW 299 SEVERE TSTM AR OK TX 200500Z - 201000Z
AXIS..45 STATUTE MILES EAST AND WEST OF LINE..
60S FTW/FORT WORTH TX/ - 35WNW FSM/FORT SMITH AR/
..AVIATION COORDS.. 40NM E/W /18NNW ACT - 34WNW FSM/
HAIL SURFACE AND ALOFT..2.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 550. MEAN STORM MOTION VECTOR 26040.
LAT...LON 31959814 35529575 35529414 31959660
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU9.
Watch 299 Status Report Message has not been issued yet.
Probability of 1 or more strong (EF2-EF5) tornadoes
Low (10%)
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 (40%)
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.