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Mesoscale Discussion 1132
NWS Storm Prediction Center Norman OK
0548 PM CDT Tue Jul 07 2020
Areas affected...Northeast New Mexico and the western Oklahoma and
Texas Panhandles
Concerning...Severe potential...Watch unlikely
Valid 072248Z - 080015Z
Probability of Watch Issuance...5 percent
SUMMARY...A line of thunderstorms moving out of northeast New Mexico
may pose a risk for occasional downburst winds. A watch is not
likely.
DISCUSSION...A line of ongoing thunderstorms moving across northeast
NM should continue into the west/northwest Oklahoma and Texas
Panhandles over the next 1 to 2 hours. These storms are gradually
moving into an environment with higher-quality low-level moisture
(dewpoints in the mid to upper 50s noted across the western
Panhandles), around 1000 J/kg MLCAPE, and limited inhibition (based
on RAP forecast soundings and shallow cumulus across the region).
Recent IR imagery has shown occasional strong updraft pulses over
the past 30 minutes, suggesting that periodic storm intensification
remains possible. Steep low-level lapse rates between 8-9 C/km are
also in place across this region as the result of deep boundary
layer mixing. This low-level thermodynamic profile may support
strong outflows with the potential for occasional strong wind gusts.
However, given weak forcing for ascent and limited deep layer shear,
the overall severe threat should remain localized and limited in
duration. As such, a watch is not likely.
..Moore.. 07/07/2020
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...DDC...AMA...PUB...ABQ...
LAT...LON 36060452 37190389 37880345 37900249 37370180 36550165
35460196 35080278 35350361 35800425 36060452
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