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Mesoscale Discussion 0583
NWS Storm Prediction Center Norman OK
0329 PM CDT Thu May 14 2020
Areas affected...Northern/central Ohio
Concerning...Severe potential...Watch unlikely
Valid 142029Z - 142230Z
Probability of Watch Issuance...20 percent
SUMMARY...Despite a marginal thermodynamic environment, a few strong
wind gusts may occur with a line of thunderstorms moving into
western Ohio. Activity should diminish with eastward extent,
particularly after sunset. No WW is anticipated.
DISCUSSION...A line of thunderstorms has continued to progress into
western Ohio this afternoon. Several sub-severe gusts (30-40 kts)
were observed in central Indiana earlier today. High-level clouds
have generally limited surface heating across much of Ohio. Parts of
southwestern Ohio, however, have remained relatively cloud free and
temperatures have risen into the upper 70s F. The general
expectation is for this line to continue for a few more hours into a
marginally buoyant airmass (250-500 J/kg MLCAPE). The greatest
potential for a strong wind gusts or two will be with the
north-south oriented portion of the line that is perpendicular to
VAD-sampled 40 kt mid-level flow. Better buoyancy will exist along
the southern end of the line, but its more east-west orientation
will be less favorable. Strong gusts should remain isolated. No WW
is anticipated.
..Wendt/Thompson.. 05/14/2020
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...PBZ...CLE...ILN...IWX...
LAT...LON 41118428 41578344 41748138 41328078 40408142 39888277
39708352 39808429 39938479 40688466 41118428
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