CONCERNING...SEVERE POTENTIAL...WATCH LIKELY
VALID 021822Z - 022015Z
PROBABILITY OF WATCH ISSUANCE...95 PERCENT
SUMMARY...SUPERCELLS WITH A RISK FOR ALL HAZARDS MAY DEVELOP AS
EARLY AS MID AFTERNOON ACROSS PORTIONS OF CENTRAL AND NORTH TX, INTO
SOUTHERN OK. A TORNADO WATCH WILL BE ISSUED SOON TO COVER THE
THREAT.
DISCUSSION...ACROSS THE SOUTHERN PLAINS, AFTERNOON WV IMAGERY SHOWED
A WELL-DEVELOPED, COMPACT VORT MAX TRANSITING ACROSS FAR WEST TX AND
EASTERN NM. AHEAD OF THE VORT MAX, RAPID LOW-LEVEL SURFACE MOISTURE
RETURN WAS EVIDENT ACROSS CENTRAL AND NORTH TX WITH DEWPOINTS
SURGING FROM THE LOW TO MID 50S TO MID 60S F OVER THE LAST 1-2
HOURS. WITH RAPID MOISTENING AND PARTIAL CLOUD BREAKS ONGOING,
CONTINUED DESTABILIZATION (1500-2000 J/KG MLCAPE) IS EXPECTED
THROUGH THE AFTERNOON. VERY STEEP MID-LEVEL LAPSE RATES (8.5-9 C/KM)
FROM THE 12Z RAOBS WILL SUPPORT RAPID AND ROBUST UPDRAFT
DEVELOPMENT, POTENTIALLY AS EARLY AS 19-20Z. STRONG VERTICAL SHEAR
AHEAD OF THE VORT MAX ( 45-60 KT 0-6KM SHEAR) WILL ALLOW FOR STORM
ORGANIZATION WITH A PREDOMINATELY SUPERCELLULAR MODE.
A SOMEWHAT COMPLEX CONVECTIVE SCENARIO MAY EVOLVE THIS AFTERNOON
WITH MULTIPLE AREAS OF NEAR SIMULTANEOUS INITIATION POSSIBLE. CELLS
MAY INITIATE WITHIN THE MODIFYING WARM SECTOR NEAR AND TO THE
WEST/NORTHWEST OF THE METROPLEX AND FAR SOUTHWEST OK. AT THE SAME
TIME, THE DRYLINE IN WEST-CENTRAL TX WILL LIKELY INITIATE A FEW
SUPERCELLS AS IT MIXES EASTWARD. HODOGRAPHS, WHILE CURVED IN THE
LOWEST 1-2 KM, ARE EXTENDED AND MOSTLY STRAIGHT LINE ALOFT. THIS,
ALONG WITH THE FAVORABLE BUOYANCY AND LAPSE RATES STRONGLY SUGGESTS
LARGE AND WIND-DRIVEN DAMAGING HAIL WILL BE LIKELY WITH ANY
SUSTAINED STORMS. A TORNADO RISK (SOME SIGNIFICANT) MAY ALSO EVOLVE
GIVEN THE POTENTIAL FOR DISCRETE CELLS AND 0-1KM SRH OF 150-200
M2/S2. A LOCALLY GREATER TORNADO RISK MAY ALSO EVOLVE FARTHER EAST
WHERE LOW-LEVEL SHEAR IS EXPECTED TO INCREASE LATER THIS EVENING.
GIVEN THE POTENTIAL FOR SEVERAL SUPERCELLS WITHIN A RAPIDLY
MODIFYING AND FAVORABLE THERMODYNAMIC/KINEMATIC ENVIRONMENT, A
TORNADO WATCH WILL LIKELY BE ISSUED THIS AFTERNOON.
..LYONS/HART.. 04/02/2023