304
ACUS11 KWNS 121841
SWOMCD
SPC MCD 121840
WYZ000-UTZ000-MTZ000-IDZ000-NVZ000-122045-
MESOSCALE DISCUSSION 0388
NWS STORM PREDICTION CENTER NORMAN OK
0140 PM CDT SUN APR 12 2026
AREAS AFFECTED...PORTIONS OF NORTHERN UTAH INTO EASTERN IDAHO...FAR
WESTERN WYOMING...EXTREME SOUTHWESTERN MONTANA
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY
VALID 121840Z - 122045Z
PROBABILITY OF WATCH ISSUANCE...5 PERCENT
SUMMARY...A FEW SEVERE GUSTS MAY OCCUR WITH THE STRONGEST STORMS
THAT CAN MATURE OVER THE NEXT SEVERAL HOURS. THE SEVERE THREAT
SHOULD REMAIN ISOLATED.
DISCUSSION...CLEARING SKIES ARE SUPPORTING BOUNDARY-LAYER
MIXING/DESTABILIZATION AMID THE APPROACH OF A 500 MB VORT MAX,
RESULTING IN INCREASED LIFT FOR CONVECTIVE DEVELOPMENT. VISIBLE
SATELLITE IMAGERY DEPICTS DEEPENING CU, WITH NLDN LIGHTNING DATA
ALREADY SHOWING A FEW LIGHTNING FLASHES IN SPOTS. STORMS SHOULD
CONTINUE TO INCREASE IN COVERAGE AND INTENSITY THROUGH THE AFTERNOON
GIVEN 8+ C/KM MID-LEVEL LAPSE RATES AMID 30 KTS OF EFFECTIVE BULK
SHEAR. STORMS SHOULD BE MAINLY MULTICELLULAR, THE STRONGEST OF WHICH
MAY BE ACCOMPANIED BY OCCASIONAL STRONG WIND GUSTS (A FEW OF WHICH
MAY BE SEVERE, ESPECIALLY IN HIGHER-TERRAIN AREAS), AND PERHAPS AN
INSTANCE OR TWO OF HAIL. GIVEN THE MODEST SPEED SHEAR, THE SEVERE
THREAT SHOULD REMAIN ISOLATED AT BEST, SO A WW ISSUANCE IS NOT
EXPECTED.
..SQUITIERI/MOSIER.. 04/12/2026
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
ATTN...WFO...RIW...TFX...SLC...PIH...MSO...BOI...LKN...
LAT...LON 41451373 41571385 42281435 42551434 43131422 44151393
44961322 45031241 44951142 44651061 44171030 42791005
41641001 40751026 40321090 40091188 40131251 40511325
41451373
MOST PROBABLE PEAK WIND GUST...55-70 MPH
MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN
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