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Severe Thunderstorms Possible for the Great Lakes into Ohio Valley; Heavy to Excessive Rainfall Over the Southern Plains

Severe thunderstorms will race along a cold front from the Upper Mississippi Valley into the Great Lakes and Ohio Valley with the main threat being damaging winds. The tail end of this front will possibly produce heavy to excessive rainfall across the southern Plains into the Lower Mississippi Valley through Saturday. Finally, Major-to-record river flooding continues across the Carolinas. Read More >


Friday, June 2nd-3rd 2017

Plenty of moisture was being brought northwest on southeast surface winds.  The winds aloft were very light. A small upper level disturbance was nearly stationary just to the southwest of Hereford, TX.  This disturbance teamed up with the abundant moisture to help produce thunderstorms across the south central and southwest Texas Panhandle Friday afternoon.  The activity initially developed over western Potter and western Randall Counties into eastern Oldham and eastern Deaf Smith Counties.  The thunderstorms moved very slowly west away from Amarillo.  Then an outflow boundary started moving east from the initial activity.  More storms started to develop eastward behind the eastward moving boundary.  The heavy rain producing thunderstorms slowly moved and developed eastward into the western half of Amarillo.  The thunderstorms then remained almost stationary or slowly drifted off to the south.  The intense rainfall (at least 2 inch an hour rainfall rates) fell over the western half of Amarillo and caused flash flooding in this area.  Rainfall amounts were generally in the 2 to 4 inch range with locally higher amounts.  All of the rain fell in less than a 2 hour time span. On Saturday, the 3rd, an upper level disturbance moved southward toward the panhandles.  This disturbance helped to produce heavy rain producing thunderstorms again over western and central Amarillo. Rainfall amounts were generally in the 1 to 2 inch range.



Radar Animation from June 2nd Radar Animation from June 3rd



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