SPC MD 578



MD 0578 CONCERNING TORNADO WATCH 148… FOR WESTERN OKLAHOMA

MD 0578 Image

Mesoscale Discussion 0578
NWS Storm Prediction Center Norman OK
0810 PM CDT Tue May 07 2019

Areas affected...western Oklahoma

Concerning...Tornado Watch 148...

Valid 080110Z - 080245Z

The severe weather threat for Tornado Watch 148 continues.

SUMMARY...Severe threat including potential for isolated tornadoes
will persist over western OK this evening. Greatest threat through
03Z is expected to remain over the western half of WW 148.

DISCUSSION...Storms have recently increased along the TX
Panhandle/Oklahoma border, and other storms persist along a
confluence boundary across western OK. Trends in VWP data from
Frederick show a gradual increase winds in the lowest 2 km, and size
of low-level hodographs should continue to increase as the low-level
jet strengthens this evening. The best window of opportunity for
tornadoes over western OK will exist next couple hours while storms
are still discrete and coincident with increasing low-level shear,
and before the surface layer undergoes more significant
stabilization.

..Dial.. 05/08/2019

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

ATTN...WFO...OUN...

LAT...LON   35409993 36189973 36469900 36449788 36039761 35029814
            34689864 34659985 35409993 

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