ACUS11 KWNS 200334
SWOMCD
SPC MCD 200334=20
OKZ000-TXZ000-200500-

Mesoscale Discussion 0495
NWS Storm Prediction Center Norman OK
1034 PM CDT Sat Apr 19 2025

Areas affected...portions of southeastern Oklahoma

Concerning...Tornado Watch 149...

Valid 200334Z - 200500Z

The severe weather threat for Tornado Watch 149 continues.

SUMMARY...The tornado threat continues across northern portions of
Tornado Watch 149 in southeastern OK.

DISCUSSION...A tornadic QLCS has materialized across portions of
southeast OK, with a tornadic debris signature recently observed
over Ada, OK. This parent circulation (possibly an embedded
supercell mesocyclone), as well as multiple other pronounced
mesovortices, should continue to track eastward across southeast OK
over the next few hours. These storms continue to be preceded by a
moist boundary layer and strong low-level shear (given the presence
of a southerly 40+ kt low-level jet per 02Z mesoanalysis data). As
such, tornado potential will continue with this QLCS, as also
suggested by some of the latest Warn-on-Forecast output. A strong
tornado remains possible.

..Squitieri.. 04/20/2025

...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!97L5cdkwFJrRZhZBF3Pord4J20Sfn-yPoy6KZVqCpYjsFdX_OdSI2YVCjKv6vFKaJiV-Ln8vk= RqSuHdqVGaRgkLHaqc$ for graphic product...

ATTN...WFO...TSA...FWD...OUN...

LAT...LON 33859716 34609680 35049645 35219585 35089548 34689539
34199552 33919586 33829620 33769678 33859716=20

MOST PROBABLE PEAK TORNADO INTENSITY...100-130 MPH
MOST PROBABLE PEAK WIND GUST...65-80 MPH
MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN


=3D =3D =3D
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