Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL6
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 266
NWS Storm Prediction Center Norman OK
1140 PM CDT Sun May 19 2024
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Northern into Northeast Oklahoma
* Effective this Sunday night and Monday morning from 1140 PM
until 600 AM CDT.
* Primary threats include...
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
Scattered damaging wind gusts to 70 mph possible
SUMMARY...Scattered strong to severe thunderstorms will likely
persist tonight and gradually develop east across the Watch area. A
west to east oriented cluster of thunderstorms, occasionally
containing a supercell or two, will potentially be capable of large
hail and severe gusts.
The severe thunderstorm watch area is approximately along and 35
statute miles north and south of a line from 45 miles southwest of
Ponca City OK to 5 miles east of Grove OK. For a complete depiction
of the watch see the associated watch outline update (WOUS64 KWNS
WOU6).
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 262...WW 264...WW 265...
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
27025.
...Smith
SEL6
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 266
NWS Storm Prediction Center Norman OK
1140 PM CDT Sun May 19 2024
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Northern into Northeast Oklahoma
* Effective this Sunday night and Monday morning from 1140 PM
until 600 AM CDT.
* Primary threats include...
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
Scattered damaging wind gusts to 70 mph possible
SUMMARY...Scattered strong to severe thunderstorms will likely
persist tonight and gradually develop east across the Watch area. A
west to east oriented cluster of thunderstorms, occasionally
containing a supercell or two, will potentially be capable of large
hail and severe gusts.
The severe thunderstorm watch area is approximately along and 35
statute miles north and south of a line from 45 miles southwest of
Ponca City OK to 5 miles east of Grove OK. For a complete depiction
of the watch see the associated watch outline update (WOUS64 KWNS
WOU6).
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 262...WW 264...WW 265...
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
27025.
...Smith
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW6
WW 266 SEVERE TSTM OK 200440Z - 201100Z
AXIS..35 STATUTE MILES NORTH AND SOUTH OF LINE..
45SW PNC/PONCA CITY OK/ - 5E GMJ/GROVE OK/
..AVIATION COORDS.. 30NM N/S /13ESE END - 34NW RZC/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 27025.
LAT...LON 36759767 37129465 36099465 35759767
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU6.
Watch 266 Status Report Messages:
STATUS REPORT #4 ON WW 266
VALID 200945Z - 201040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 SSW CQB
TO 25 NNE CQB TO 15 SSW TUL TO 25 E TUL TO 10 E GMJ.
..GOSS..05/20/24
ATTN...WFO...TSA...OUN...
&&
STATUS REPORT FOR WS 266
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OKC001-021-035-037-041-081-083-091-097-101-107-111-115-119-131-
143-145-201040-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
ADAIR CHEROKEE CRAIG
CREEK DELAWARE LINCOLN
LOGAN MCINTOSH MAYES
MUSKOGEE OKFUSKEE OKMULGEE
OTTAWA PAYNE ROGERS
TULSA WAGONER
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 266
VALID 200835Z - 200940Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 NNW OKC
TO 25 S PNC TO 15 W TUL TO 5 NNW TUL TO 30 NE TUL TO 5 SW JLN.
..GOSS..05/20/24
ATTN...WFO...TSA...OUN...
&&
STATUS REPORT FOR WS 266
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OKC001-021-035-037-041-081-083-091-097-101-103-107-111-115-119-
131-143-145-200940-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
ADAIR CHEROKEE CRAIG
CREEK DELAWARE LINCOLN
LOGAN MCINTOSH MAYES
MUSKOGEE NOBLE OKFUSKEE
OKMULGEE OTTAWA PAYNE
ROGERS TULSA WAGONER
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 266
VALID 200645Z - 200740Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..GOSS..05/20/24
ATTN...WFO...TSA...OUN...
&&
STATUS REPORT FOR WS 266
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OKC035-037-041-047-071-097-103-105-113-115-117-119-131-143-145-
147-200740-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
CRAIG CREEK DELAWARE
GARFIELD KAY MAYES
NOBLE NOWATA OSAGE
OTTAWA PAWNEE PAYNE
ROGERS TULSA WAGONER
WASHINGTON
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 266
VALID 200545Z - 200640Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..GOSS..05/20/24
ATTN...WFO...TSA...OUN...
&&
STATUS REPORT FOR WS 266
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
OKC035-037-041-047-071-097-103-105-113-115-117-119-131-143-145-
147-200640-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
CRAIG CREEK DELAWARE
GARFIELD KAY MAYES
NOBLE NOWATA OSAGE
OTTAWA PAWNEE PAYNE
ROGERS TULSA WAGONER
WASHINGTON
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
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 (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 (40%)
|
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 (70%)
|
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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