Mesoscale Discussion 0057 NWS Storm Prediction Center Norman OK 0810 PM CST Sun Jan 15 2017 Areas affected...Central/North Central Texas Concerning...Tornado Watch 8... Valid 160210Z - 160415Z The severe weather threat for Tornado Watch 8 continues. SUMMARY...Isolated tornado threat remains across most of WW08. DISCUSSION...Long-lived supercell that developed over central TX has lifted north into the south side of the Metroplex, currently over eastern Johnson county. Several tornadoes have likely been produced with this cyclical storm. Air mass over eastern Tarrant and Dallas counties has recovered sufficiently, with dew points near 64F, for this near-surface based storm to maintain its intensity as it tracks into southeast Tarrant county and likely into western Dallas county. Well-organized squall line is progressing steadily east at roughly 30kt and should track across the remainder of the watch over the next few hours. A few supercells are embedded along the southern portion of this line and this activity should approach the western/northern portions of the San Antonia metro within the next 1-2 hours. ..Darrow.. 01/16/2017 ...Please see www.spc.noaa.gov for graphic product... ATTN...WFO...FWD...EWX...SJT... LAT...LON 29719977 32949834 32949626 29709777 29719977Read more
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