Storm Prediction Center Severe Thunderstorm Watch 159
3 min read
8 hours 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 159
NWS Storm Prediction Center Norman OK
315 PM CDT Tue Apr 22 2025
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
West Texas
* Effective this Tuesday afternoon and evening from 315 PM until
1100 PM CDT.
* Primary threats include...
Scattered damaging winds and isolated significant gusts to 75
mph likely
Scattered large hail and isolated very large hail events to 2.5
inches in diameter likely
A tornado or two possible
SUMMARY...Thunderstorms will develop and increase in coverage
through the afternoon and evening across much of west Texas, in an
increasingly moist and unstable environment. The strongest cells
are expected to produce large hail and damaging wind gusts.
The severe thunderstorm watch area is approximately along and 70
statute miles east and west of a line from 45 miles northeast of
Amarillo TX to 35 miles east of Dryden TX. 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.
&&
AVIATION...A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
27025.
...Hart
SEL9
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 159
NWS Storm Prediction Center Norman OK
315 PM CDT Tue Apr 22 2025
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
West Texas
* Effective this Tuesday afternoon and evening from 315 PM until
1100 PM CDT.
* Primary threats include...
Scattered damaging winds and isolated significant gusts to 75
mph likely
Scattered large hail and isolated very large hail events to 2.5
inches in diameter likely
A tornado or two possible
SUMMARY...Thunderstorms will develop and increase in coverage
through the afternoon and evening across much of west Texas, in an
increasingly moist and unstable environment. The strongest cells
are expected to produce large hail and damaging wind gusts.
The severe thunderstorm watch area is approximately along and 70
statute miles east and west of a line from 45 miles northeast of
Amarillo TX to 35 miles east of Dryden TX. 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.
&&
AVIATION...A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
27025.
...Hart
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW9
WW 159 SEVERE TSTM TX 222015Z - 230400Z
AXIS..70 STATUTE MILES EAST AND WEST OF LINE..
45NE AMA/AMARILLO TX/ - 35E 6R6/DRYDEN TX/
..AVIATION COORDS.. 60NM E/W /33NE AMA - 60NW DLF/
HAIL SURFACE AND ALOFT..2.5 INCHES. WIND GUSTS..65 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 27025.
LAT...LON 35669991 30030045 30030280 35660240
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU9.
Watch 159 Status Report Message has not been issued yet.
Probability of 1 or more strong (EF2-EF5) tornadoes
Low (<2%)
Wind
Probability of 10 or more severe wind events
High (70%)
Probability of 1 or more wind events > 65 knots
Mod (60%)
Hail
Probability of 10 or more severe hail events
High (70%)
Probability of 1 or more hailstones > 2 inches
Mod (60%)
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
High (>95%)
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.