RSS Mesoscale Discussions from Storm Prediction Center

SPC Aug 18, 2018 0100 UTC Day 1 Convective Outlook

SPC 0100Z Day 1 Outlook
Day 1 Outlook Image
Day 1 Convective Outlook  
NWS Storm Prediction Center Norman OK
0747 PM CDT Fri Aug 17 2018

Valid 180100Z - 181200Z


Strong to locally damaging wind gusts may continue for a few more
hours this evening across parts of the Northeast. Isolated strong
gusts are also possible across parts of the northern Rockies through
the remainder of the evening.

...Southern Plains to the Northeast...

Clusters of storms will continue to pose a damaging wind threat for
a couple more hours this evening. Downstream 00z RAOB from GYX shows
weakening deep layer shear and loss of daytime heating will result
in a rapidly stabilizing boundary layer. Maintaining probs mainly
for forward propagating cluster over northern NJ and across western
MA that still indicates some potential for strong gusts. 

Further south and west, probabilities have been removed from
southeast OK across the mid-South and central Appalachians.  Weak
deep layer shear and nocturnal boundary layer stabilization will
quickly diminish any lingering threat.

...Central/Southern High Plains...

The overall trend over the last hour has been weakening,
progressively disorganized convection. An isolated strong wind gust
may be possible for another hour or two across southeast CO into
northeast NM, but the threat is quickly diminishing with loss of
heating, and the marginal risk has been removed. 

...Northern Rockies...

Only minor adjustments have been made to the marginal risk.
Convection is ongoing across the region and a 64 mph gust was
recently recorded near Craters of the Moon in southern ID. Isolated
threat of strong wind gusts will continue for a few hours into this

..Leitman.. 08/18/2018

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