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Mesoscale Discussion 1169
NWS Storm Prediction Center Norman OK
0940 AM CDT Fri Jul 10 2020
Areas affected...portions of Oklahoma
Concerning...Severe potential...Watch unlikely
Valid 101440Z - 101615Z
Probability of Watch Issuance...20 percent
SUMMARY...Strong to isolated severe wind gusts remain possible with
a convective complex moving southward through central Oklahoma. A
WW issuance is not anticipated for this activity.
DISCUSSION...An ongoing MCS over north-central/central Oklahoma has
managed to maintain organization through the morning despite
migrating southward into slightly less-supportive environment for
continued organization. Downstream shear values are only around
20-30 knots and low-level flow ahead of the system is weak.
Nevertheless, the presence of 7.5-8 deg C/km mid-level lapse rates,
weak inhibition, a well organized cold pool, and evident mid-level
organization continues to support regeneration of convection along
the western flank of the ongoing MCS as it migrates southward across
Oklahoma. 45-60 mph surface wind gusts have been observed within
the past hour, and although the wind-gust threat should continue to
lessen with time, additional strong to severe wind gusts cannot be
ruled out. These storms should continue southward through the OKC
metro area and I-40 corridor in central/western Oklahoma, though a
weakening trend should continue through the day.
..Cook/Kerr.. 07/10/2020
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...TSA...OUN...
LAT...LON 36819675 36769808 36489883 35669920 34819914 34309832
34199676 34259617 34649577 35759578 36539607 36819675
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