Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL3
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 253
NWS Storm Prediction Center Norman OK
740 PM CDT Fri May 20 2022
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
South-central and Eastern Oklahoma
North Texas
* Effective this Friday night and Saturday morning from 740 PM
until 200 AM CDT.
* Primary threats include...
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
Isolated damaging wind gusts to 70 mph possible
SUMMARY...Strong to severe thunderstorms are expected to develop
this evening within an unstable environment near a surface boundary
that extends southwest/northeast across the region. Large hail is
expected to be the primary hazard, although localized wind damage
could occur.
The severe thunderstorm watch area is approximately along and 70
statute miles north and south of a line from 60 miles west northwest
of Mineral Wells TX to 45 miles east northeast of Muskogee OK. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU3).
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.
&&
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 550. Mean storm motion vector
24025.
...Guyer
SEL3
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 253
NWS Storm Prediction Center Norman OK
740 PM CDT Fri May 20 2022
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
South-central and Eastern Oklahoma
North Texas
* Effective this Friday night and Saturday morning from 740 PM
until 200 AM CDT.
* Primary threats include...
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
Isolated damaging wind gusts to 70 mph possible
SUMMARY...Strong to severe thunderstorms are expected to develop
this evening within an unstable environment near a surface boundary
that extends southwest/northeast across the region. Large hail is
expected to be the primary hazard, although localized wind damage
could occur.
The severe thunderstorm watch area is approximately along and 70
statute miles north and south of a line from 60 miles west northwest
of Mineral Wells TX to 45 miles east northeast of Muskogee OK. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU3).
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.
&&
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 550. Mean storm motion vector
24025.
...Guyer
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW3
WW 253 SEVERE TSTM OK TX 210040Z - 210700Z
AXIS..70 STATUTE MILES NORTH AND SOUTH OF LINE..
60WNW MWL/MINERAL WELLS TX/ - 45ENE MKO/MUSKOGEE OK/
..AVIATION COORDS.. 60NM N/S /56NE ABI - 32SW RZC/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 550. MEAN STORM MOTION VECTOR 24025.
LAT...LON 34129903 36939463 34909463 32099903
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU3.
Watch 253 Status Report Messages:
STATUS REPORT #2 ON WW 253
VALID 210620Z - 210700Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 WNW FSM
TO 30 NNW MLC TO 10 SE CQB AND 15 W FSM TO 30 NNW MLC TO 10 SE
CQB.
REMAINING VALID PORTION OF WW 253 MAY BE ALLOWED TO EXPIRE AT
21/07Z.
..KERR..05/21/22
ATTN...WFO...TSA...OUN...FWD...SJT...
&&
STATUS REPORT FOR WS 253
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ARC007-143-210700-
AR
. ARKANSAS COUNTIES INCLUDED ARE
BENTON WASHINGTON
$$
OKC001-021-041-061-091-097-101-107-111-135-145-210700-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
ADAIR CHEROKEE DELAWARE
HASKELL MCINTOSH MAYES
MUSKOGEE OKFUSKEE OKMULGEE
SEQUOYAH WAGONER
$$
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.
$$
STATUS REPORT #1 ON WW 253
VALID 210535Z - 210640Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 W FSM TO
30 NNW MLC TO 10 SE CQB.
..KERR..05/21/22
ATTN...WFO...TSA...OUN...FWD...SJT...
&&
STATUS REPORT FOR WS 253
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
ARC007-143-210640-
AR
. ARKANSAS COUNTIES INCLUDED ARE
BENTON WASHINGTON
$$
OKC001-021-041-061-091-097-101-107-111-135-145-210640-
OK
. OKLAHOMA COUNTIES INCLUDED ARE
ADAIR CHEROKEE DELAWARE
HASKELL MCINTOSH MAYES
MUSKOGEE OKFUSKEE OKMULGEE
SEQUOYAH WAGONER
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
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 (30%)
|
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 
@NWSSPC
