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| Mesoscale Discussion 839 |
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Mesoscale Discussion 0839
NWS Storm Prediction Center Norman OK
0953 AM CDT Fri Jun 05 2020
Areas affected...Northern AL...Far Northeast MS
Concerning...Severe potential...Watch unlikely
Valid 051453Z - 051700Z
Probability of Watch Issuance...5 percent
SUMMARY...An isolated damaging wind gust or two is possible over the
next few hours.
DISCUSSION...Recent surface analysis and visible satellite imagery
reveal an outflow boundary extending from extreme northeast MS
(about 35 miles west of MSL) arcing southeastward and then eastward
across northern AL (about 30 northeast of GAD). Ample low-level
moisture and surface heating ahead of this boundary has resulted in
quick air mass destabilization. Convective initiation has recently
occurred along the far northwest portion this boundary. Gradually
increasing storm coverage is expected along this boundary over the
next few hours as downstream buoyancy continues to increase. Area
VADs and BMX 12Z sounding reveal very weak flow throughout much of
the troposphere, with weak vertical shear as a result. Consequently,
a predominantly pulse multicell mode is anticipated. An occasional
water-loaded downburst may be strong enough to produce damaging wind
gusts, but overall severe potential appears minimal.
..Mosier/Thompson.. 06/05/2020
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...FFC...BMX...HUN...MEG...
LAT...LON 34948820 34908667 34608564 34118481 33478500 33258671
33968837 34948820
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