Storm Prediction Center Severe Thunderstorm Watch 121
4 min read
3 months 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.
SEL1
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 121
NWS Storm Prediction Center Norman OK
1100 PM CDT Fri Apr 4 2025
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Central Texas
* Effective this Friday night and Saturday morning from 1100 PM
until 500 AM CDT.
* Primary threats include...
Scattered large hail and isolated very large hail events to 2.5
inches in diameter likely
Scattered damaging wind gusts to 70 mph likely
SUMMARY...Thunderstorms are expected to rapidly intensify across
central Texas and affect the watch area through the early morning
hours. Large hail is the main concern with these storms.
The severe thunderstorm watch area is approximately along and 80
statute miles north and south of a line from 70 miles northwest of
Del Rio TX to 50 miles north of Austin TX. For a complete depiction
of the watch see the associated watch outline update (WOUS64 KWNS
WOU1).
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 119...WW 120...
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 500. Mean storm motion vector
24030.
...Hart
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW1
WW 121 SEVERE TSTM TX 050400Z - 051000Z
AXIS..80 STATUTE MILES NORTH AND SOUTH OF LINE..
70NW DRT/DEL RIO TX/ - 50N AUS/AUSTIN TX/
..AVIATION COORDS.. 70NM N/S /67NW DLF - 40NNW CWK/
HAIL SURFACE AND ALOFT..2.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 24030.
LAT...LON 31240175 32189770 29879770 28930175
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU1.
Watch 121 Status Report Messages:
STATUS REPORT #2 ON WW 121
VALID 050535Z - 050640Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..KERR..04/05/25
ATTN...WFO...EWX...FWD...SJT...
&&
STATUS REPORT FOR WS 121
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC019-027-029-031-049-053-081-083-091-093-095-099-105-137-171-
193-209-235-259-265-267-271-281-299-307-319-325-327-333-385-399-
411-413-431-435-451-453-463-465-491-050640-
TX
. TEXAS COUNTIES INCLUDED ARE
BANDERA BELL BEXAR
BLANCO BROWN BURNET
COKE COLEMAN COMAL
COMANCHE CONCHO CORYELL
CROCKETT EDWARDS GILLESPIE
HAMILTON HAYS IRION
KENDALL KERR KIMBLE
KINNEY LAMPASAS LLANO
MCCULLOCH MASON MEDINA
MENARD MILLS REAL
RUNNELS SAN SABA SCHLEICHER
STERLING SUTTON TOM GREEN
TRAVIS UVALDE VAL VERDE
WILLIAMSON
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 121
VALID 050445Z - 050540Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..GUYER..04/05/25
ATTN...WFO...EWX...FWD...SJT...
&&
STATUS REPORT FOR WS 121
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
TXC019-027-029-031-049-053-081-083-091-093-095-099-105-137-171-
193-209-235-259-265-267-271-281-299-307-319-325-327-333-385-399-
411-413-431-435-451-453-463-465-491-050540-
TX
. TEXAS COUNTIES INCLUDED ARE
BANDERA BELL BEXAR
BLANCO BROWN BURNET
COKE COLEMAN COMAL
COMANCHE CONCHO CORYELL
CROCKETT EDWARDS GILLESPIE
HAMILTON HAYS IRION
KENDALL KERR KIMBLE
KINNEY LAMPASAS LLANO
MCCULLOCH MASON MEDINA
MENARD MILLS REAL
RUNNELS SAN SABA SCHLEICHER
STERLING SUTTON TOM GREEN
TRAVIS UVALDE VAL VERDE
WILLIAMSON
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Probability of 1 or more strong (EF2-EF5) tornadoes
Low (<2%)
Wind
Probability of 10 or more severe wind events
Mod (60%)
Probability of 1 or more wind events > 65 knots
Low (20%)
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.
