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 181
NWS Storm Prediction Center Norman OK
820 PM CDT Wed May 13 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Central Oklahoma
* Effective this Wednesday night from 820 PM until Midnight CDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph likely
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
SUMMARY...A bowing cluster of thunderstorms over west-central
Oklahoma will track east-northeastward this evening, continue to
pose a risk of locally damaging wind gusts and hail for the next few
hours.
The severe thunderstorm watch area is approximately along and 40
statute miles east and west of a line from 15 miles north northwest
of Enid OK to 25 miles southeast of Fort Sill OK. 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 179...WW 180...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
25030.
...Hart
SEL1
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 181
NWS Storm Prediction Center Norman OK
820 PM CDT Wed May 13 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Central Oklahoma
* Effective this Wednesday night from 820 PM until Midnight CDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph likely
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
SUMMARY...A bowing cluster of thunderstorms over west-central
Oklahoma will track east-northeastward this evening, continue to
pose a risk of locally damaging wind gusts and hail for the next few
hours.
The severe thunderstorm watch area is approximately along and 40
statute miles east and west of a line from 15 miles north northwest
of Enid OK to 25 miles southeast of Fort Sill OK. 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 179...WW 180...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
25030.
...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 181 SEVERE TSTM OK 140120Z - 140500Z
AXIS..40 STATUTE MILES EAST AND WEST OF LINE..
15NNW END/ENID OK/ - 25SE FSI/FORT SILL OK/
..AVIATION COORDS.. 35NM E/W /13NNW END - 35NE SPS/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 25030.
LAT...LON 36559730 34399739 34399879 36559874
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU1.
Watch 181 Status Report Messages:
STATUS REPORT #1 ON WW 181
VALID 140335Z - 140440Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 ENE LTS
TO 30 SE CSM TO 40 NW OKC TO 30 NNW END.
..BROYLES..05/14/20
ATTN...WFO...OUN...
&&
STATUS REPORT FOR WS 181
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OKC015-017-027-031-033-047-049-051-073-083-087-103-109-137-
140440-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
CADDO CANADIAN CLEVELAND
COMANCHE COTTON GARFIELD
GARVIN GRADY KINGFISHER
LOGAN MCCLAIN NOBLE
OKLAHOMA STEPHENS
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Low (10%)
|
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
|
Mod (50%)
|
Probability of 1 or more hailstones > 2 inches
|
Mod (30%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
High (80%)
|
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.
weather.gov 
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