Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL8
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 108
NWS Storm Prediction Center Norman OK
520 PM CDT Mon Apr 11 2022
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
South-central Oklahoma
Central North Texas
* Effective this Monday afternoon and evening from 520 PM until
900 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 possible
A tornado or two possible
SUMMARY...Thunderstorms will develop soon along a boundary over
south-central Oklahoma and perhaps southward into central North
Texas. Supercells capable of very large hail appear to be the main
threat, although a tornado is possible.
The severe thunderstorm watch area is approximately along and 40
statute miles east and west of a line from 50 miles north northeast
of Durant OK to 45 miles south of Sherman TX. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU8).
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 107...
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
26030.
...Hart
SEL8
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 108
NWS Storm Prediction Center Norman OK
520 PM CDT Mon Apr 11 2022
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
South-central Oklahoma
Central North Texas
* Effective this Monday afternoon and evening from 520 PM until
900 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 possible
A tornado or two possible
SUMMARY...Thunderstorms will develop soon along a boundary over
south-central Oklahoma and perhaps southward into central North
Texas. Supercells capable of very large hail appear to be the main
threat, although a tornado is possible.
The severe thunderstorm watch area is approximately along and 40
statute miles east and west of a line from 50 miles north northeast
of Durant OK to 45 miles south of Sherman TX. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU8).
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 107...
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
26030.
...Hart
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW8
WW 108 SEVERE TSTM OK TX 112220Z - 120200Z
AXIS..40 STATUTE MILES EAST AND WEST OF LINE..
50NNE DUA/DURANT OK/ - 45S GYI/SHERMAN TX/
..AVIATION COORDS.. 35NM E/W /20SW MLC - 22ENE TTT/
HAIL SURFACE AND ALOFT..2.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 26030.
LAT...LON 34629536 33079598 33079736 34629677
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU8.
Watch 108 Status Report Messages:
STATUS REPORT #2 ON WW 108
VALID 120155Z - 120240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 NNW PRX
TO 25 N DUA TO 40 WSW MLC.
..LYONS..04/12/22
ATTN...WFO...OUN...FWD...
&&
STATUS REPORT FOR WS 108
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OKC005-029-120240-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
ATOKA COAL
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 108
VALID 120025Z - 120140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 S ADM TO
40 WSW MLC.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 450
..LYONS..04/12/22
ATTN...WFO...OUN...FWD...
&&
STATUS REPORT FOR WS 108
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OKC005-013-029-095-120140-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
ATOKA BRYAN COAL
MARSHALL
$$
TXC085-097-119-121-147-181-223-231-277-120140-
TX
. TEXAS COUNTIES INCLUDED ARE
COLLIN COOKE DELTA
DENTON FANNIN GRAYSON
HOPKINS HUNT LAMAR
$$
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 (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 (60%)
|
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 (90%)
|
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.