Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0723 AM CDT Sat Mar 28 2026
Valid 281300Z - 291200Z
...NO SEVERE THUNDERSTORM AREAS FORECAST...
...SUMMARY...
Isolated thunderstorms will be possible this afternoon across the
southern Florida Peninsula and Florida Keys, but no severe threat is
forecast.
...Synopsis...
Early-morning surface analysis shows an extensive area of high
pressure covering much of the central and eastern CONUS, the only
exception being across eastern MT where a weak lee low is in place.
Another weak low exists over southern NV, along an inverted trough
that extends from the central Gulf of California into central NV.
A weak frontal boundary separates the dry and stable continental
airmass associated with the high pressure from the more moist,
tropical airmass over the Gulf and central/southern FL Peninsula.
Strong heating and modest buoyancy will support showers and
thunderstorms along and south of this boundary during the afternoon
and evening, fostered by both convergence along the front and a
westward-progressing sea breeze. Limited buoyancy and weak shear
should preclude storm organization, keeping the severe risk
isolated. Even so, relatively high LCLs and steep low-level lapse
rates could still support strong downbursts. Thunderstorms are not
expected elsewhere across the CONUS.
..Mosier/Marsh.. 03/28/2026
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