Severe Storm Outlook Narrative (AC)
Issued by NWS

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000
ACUS11 KWNS 292149
SWOMCD
SPC MCD 292148
MOZ000-ARZ000-TXZ000-OKZ000-292315-

MESOSCALE DISCUSSION 0837
NWS STORM PREDICTION CENTER NORMAN OK
0448 PM CDT FRI MAY 29 2015

AREAS AFFECTED...ERN OK...WRN AR...AND FAR SWRN MO

CONCERNING...TORNADO WATCH 239...

VALID 292148Z - 292315Z

THE SEVERE WEATHER THREAT FOR TORNADO WATCH 239 CONTINUES.

SUMMARY...SEVERE/TORNADO THREAT CONTINUES ACROSS WW 239...AND LOCAL
EXTENSION MAY BE NEEDED DOWNSTREAM OF CURRENT CONVECTION.

DISCUSSION...CONTINUE WW 239. BROKEN LINE OF STORMS PERSISTS FROM
NEAR JLN SOUTHWARD TO NEAR TXK...WITH INDIVIDUAL THUNDERSTORMS
WITHIN THE COMPLEX MOVING NEWD AROUND 30 KNOTS. A FEW OF THESE
STORMS HAVE EXHIBITED ROTATION...ESPECIALLY IN NWRN AR AND SWRN MO.
STORMS ARE IN AN ENVIRONMENT CHARACTERIZED BY 1000-2000 J/KG OF
MUCAPE...WITH SELY SURFACE WINDS BENEATH 30-35 KNOT MID-LEVEL FLOW
CONTRIBUTING TO 150-200 M2/S2 EFFECTIVE SRH SUPPORTING A CONTINUED
TORNADO THREAT. STORMS THAT HAVE DEVELOPED NEAR ATOKA/BRYAN COUNTIES
IN OK BENEATH MID-LEVEL VORT MAX MAY ALSO EXHIBIT A BRIEF TORNADO
THREAT AS THEY MOVE INTO WW 239. AN EWD LOCAL EXTENSION OF THE WATCH
MAY BE NEEDED AS STORMS CONTINUE GRADUAL EWD
PROGRESSION...ESPECIALLY TOWARD NRN AR AND SCNTRL MO...WHERE
GREATEST TORNADO THREAT EXISTS.

..COOK.. 05/29/2015

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

ATTN...WFO...LZK...SGF...SHV...TSA...FWD...

LAT...LON   33659544 34109577 34409575 34809539 35319496 36069472
            36689466 37069437 37149368 36949293 36089276 35219287
            34009312 33239346 33129390 33339486 33659544



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