SPC MD 990


MD 0990 Image

Mesoscale Discussion 0990
NWS Storm Prediction Center Norman OK
0356 PM CDT Wed Jun 24 2020

Areas affected...portions of New Mexico

Concerning...Severe potential...Watch unlikely 

Valid 242056Z - 242300Z

Probability of Watch Issuance...20 percent

SUMMARY...Storms are developing over the higher terrain across much
of New Mexico this afternoon. Marginally severe hail/wind are
possible with these storms and some south-southeast movement off the
higher terrain this afternoon/evening is expected.

DISCUSSION...An upper-level ridge over the Desert Southwest has
resulted in north-northwest flow over much of New Mexico. Low-level
moisture has pushed westward with surface dewpoints of in the 40s to
low 50s F across much of New Mexico east of the Continental Divide.
Currently storms are staying mostly tied to the terrain, but as
destabilization continues across adjacent plains/valleys, storms are
likely to move south-southeast later this afternoon and into the
evening. Steep lapse rates exist through the mid-levels across the
region with marginally severe hail/wind possible with these storms.
With relatively weak flow through the column, outflow dominant
storms are likely. Given the marginal and isolated severe risk, a
watch issuance is unlikely.

..Nauslar/Dial.. 06/24/2020

...Please see www.spc.noaa.gov for graphic product...


LAT...LON   31650690 32780779 33770780 34310739 34540654 35690548
            36630525 37100486 37240430 37290368 36950298 36480318
            35480407 34360490 33290485 32320476 31650544 31650690 

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