SPC MD 1383



MD 1383 CONCERNING SEVERE POTENTIAL…WATCH UNLIKELY FOR NORTHWEST/NORTH-CENTRAL GA…FAR NORTHEAST AL

MD 1383 Image


Mesoscale Discussion 1383
NWS Storm Prediction Center Norman OK
1142 AM CDT Mon Aug 03 2020

Areas affected...Northwest/North-Central GA...Far Northeast AL

Concerning...Severe potential...Watch unlikely 

Valid 031642Z - 031845Z

Probability of Watch Issuance...20 percent

SUMMARY...A few stronger storms capable of damaging wind gusts
and/or isolated hail may occur sporadically over the next few hours.

DISCUSSION...Showers and thunderstorms have recently developed in
the vicinity of a weak surface low and ahead of the broad upper
troughing approaching the area. The air mass is moderately unstable,
promoted by ample low-level moisture and cool mid-level temperatures
(12Z FFC sounding sampled -9 deg C at 500 mb). This region is also
on the southern periphery of slightly stronger upper flow within the
upper trough, contributing to modest vertical shear (despite very
weak low-level flow). A few stronger storms have already been noted,
although updraft strength within these storms quickly waned. That
overall trend is expected to continue, with a more pulse-like storm
mode anticipated. A few of these storms may be able to produce a
water-loaded downburst as the intensity pulses. An isolated instance
or two of hail is also possible.

..Mosier/Kerr.. 08/03/2020

...Please see www.spc.noaa.gov for graphic product...

ATTN...WFO...GSP...FFC...BMX...HUN...

LAT...LON   33608581 34778547 34908364 33488354 33108510 33608581 

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