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Mesoscale Discussion 0692
NWS Storm Prediction Center Norman OK
0553 PM CDT Sat May 23 2020
Areas affected...Western and Central Alabama
Concerning...Severe potential...Watch unlikely
Valid 232253Z - 240130Z
Probability of Watch Issuance...5 percent
SUMMARY...An isolated wind damage threat will likely continue for a
couple more hours across western and central Alabama. The threat
should be too marginal for weather watch issuance.
DISCUSSION...The latest RAP shows a pocket of strong instability
across far eastern Mississippi into western and central Alabama
where MLCAPE is estimated in the 2000 to 3000 J/kg range. A bowing
line segments is ongoing just to the west of the instability max
near the Mississippi-Alabama state line. This line will continue to
move eastward into north-central Alabama over the next couple of
hours. Low-level lapse rates are steep ahead of the line and an
isolated wind damage threat should be maintained. But the threat
should be too marginal for weather watch issuance.
..Broyles.. 05/23/2020
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...BMX...HUN...MOB...MEG...JAN...
LAT...LON 33898824 32638842 32128782 32568683 32858597 33338577
33628585 33978617 34158684 34278753 33898824
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