Mesoscale Discussion 0086
NWS Storm Prediction Center Norman OK
0557 AM CST Mon Feb 15 2021
Areas affected...eastern half of AR...northwest MS...western
TN...southeast MO...western KY
Valid 151157Z - 151800Z
SUMMARY...Heavy snowfall rates around 1 inch per hour (locally
around 1.5 inch in heavier bursts) are likely to develop
northeastward across the lower MS Valley into the lower OH Valley
through noon CST.
DISCUSSION...Radar mosaic shows a large precipitation shield early
this morning over the Arklatex moving northeast. A powerful
mid-level trough over the southern Great Plains, evident on
water-vapor imagery, will continue to move east towards the lower MS
Valley this morning.