Severe Storm Outlook Narrative (AC)
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000
ACUS11 KWNS 200218
SWOMCD
SPC MCD 200218
TXZ000-OKZ000-200345-

MESOSCALE DISCUSSION 0704
NWS STORM PREDICTION CENTER NORMAN OK
0918 PM CDT TUE MAY 19 2015

AREAS AFFECTED...N TX

CONCERNING...TORNADO WATCH 190...

VALID 200218Z - 200345Z

THE SEVERE WEATHER THREAT FOR TORNADO WATCH 190 CONTINUES.

SUMMARY...SEVERE/ISOLATED TORNADO RISK CONTINUES ACROSS WW 190.

DISCUSSION...LATEST RADAR LOOP SHOWS SEVERAL SUPERCELLS CONTINUING
TO CONGEAL INTO ONE LARGE CLUSTER OVER JACK/WRN WISE COUNTIES
ATTM...WHILE A LONE STRONG/SEVERE CELL CONTINUES OVER ERN EASTLAND
CO.  THE STORMS MERGING OVER JACK/WISE COUNTIES HAVE PRODUCED LARGE
HAIL AND A COUPLE OF TORNADO REPORTS OVER THE PAST TWO HOURS...BUT
HAVE WEAKENED SOMEWHAT OVER THE PAST HOUR OR SO.  WITH THAT
SAID...POTENTIAL EXISTS FOR A LARGE SUPERCELL OR TWO TO EMERGE FROM
THIS ONGOING EVOLUTION...WHICH IF SO WOULD BE LIKELY ACCOMPANIED BY
SEVERE/ISOLATED TORNADO RISK.  WITH WW 190 SET TO EXPIRE AT
20/03Z...LOCAL EXTENSION IN TIME MAY BE REQUIRED FOR A FEW COUNTIES.


ELSEWHERE...MORE WIDESPREAD STORMS CONTINUE TO EVOLVE FARTHER N
TOWARD THE RED RIVER VALLEY /MAINLY OVER NEWLY ISSUED TORNADO WATCH
191/...WITH THIS TREND LIKELY TO CONTINUE AS A SLY LOW-LEVEL JET
STRENGTHENS THIS EVENING.

..GOSS.. 05/20/2015

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...FWD...OUN...SJT...

LAT...LON   31789868 32399911 33219896 33969784 34009699 33109680
            31949795 31789868




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