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
345 PM CDT Fri May 25 2018
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Western Oklahoma
Eastern Texas Panhandle
* Effective this Friday afternoon and evening from 345 PM until
1100 PM 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
A tornado or two possible
SUMMARY...Thunderstorms are expected to form over the eastern Texas
Panhandle and Western Oklahoma late this afternoon, tracking
southeastward toward northwest Texas. A few severe storms capable
of very large hail and damaging winds are possible.
The severe thunderstorm watch area is approximately along and 55
statute miles east and west of a line from 5 miles northeast of Gage
OK to 55 miles west southwest of Wichita Falls 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 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
30025.
...Hart
SEL1
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 121
NWS Storm Prediction Center Norman OK
345 PM CDT Fri May 25 2018
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Western Oklahoma
Eastern Texas Panhandle
* Effective this Friday afternoon and evening from 345 PM until
1100 PM 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
A tornado or two possible
SUMMARY...Thunderstorms are expected to form over the eastern Texas
Panhandle and Western Oklahoma late this afternoon, tracking
southeastward toward northwest Texas. A few severe storms capable
of very large hail and damaging winds are possible.
The severe thunderstorm watch area is approximately along and 55
statute miles east and west of a line from 5 miles northeast of Gage
OK to 55 miles west southwest of Wichita Falls 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 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
30025.
...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 OK TX 252045Z - 260400Z
AXIS..55 STATUTE MILES EAST AND WEST OF LINE..
5NE GAG/GAGE OK/ - 55WSW SPS/WICHITA FALLS TX/
..AVIATION COORDS.. 50NM E/W /8E MMB - 44WSW SPS/
HAIL SURFACE AND ALOFT..2.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 30025.
LAT...LON 36349872 33659843 33650033 36340069
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 #1 ON WW 121
VALID 260115Z - 260240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..MOSIER..05/26/18
ATTN...WFO...OUN...LUB...AMA...
&&
STATUS REPORT FOR WS 121
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OKC009-031-033-039-043-045-055-057-065-075-129-141-149-153-
260240-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
BECKHAM COMANCHE COTTON
CUSTER DEWEY ELLIS
GREER HARMON JACKSON
KIOWA ROGER MILLS TILLMAN
WASHITA WOODWARD
$$
TXC009-023-075-077-087-101-129-155-191-197-211-275-295-345-483-
485-487-260240-
TX
. TEXAS COUNTIES INCLUDED ARE
ARCHER BAYLOR CHILDRESS
CLAY COLLINGSWORTH COTTLE
DONLEY FOARD HALL
HARDEMAN HEMPHILL KNOX
LIPSCOMB MOTLEY WHEELER
WICHITA WILBARGER
$$
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.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Low (20%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (5%)
|
Wind
Probability of 10 or more severe wind events
|
High (70%)
|
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% (F2-F5 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.
weather.gov 
@NWSSPC
