Severe Storm Outlook Narrative (AC)
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000
ACUS11 KWNS 240246
SWOMCD
SPC MCD 240246
TXZ000-240415-

MESOSCALE DISCUSSION 0732
NWS STORM PREDICTION CENTER NORMAN OK
0946 PM CDT SAT MAY 23 2015

AREAS AFFECTED...NORTH-CENTRAL/EAST-CENTRAL TX

CONCERNING...SEVERE POTENTIAL...WATCH LIKELY

VALID 240246Z - 240415Z

PROBABILITY OF WATCH ISSUANCE...80 PERCENT

SUMMARY...A TORNADO AND LOCALIZED WIND DAMAGE RISK MAY DEVELOP
ACROSS ADDITIONAL PORTIONS OF EAST-CENTRAL/NORTHEAST TX THROUGH LATE
EVENING/OVERNIGHT. A WATCH MAY BE NEEDED SOON.

DISCUSSION...AN ASYMMETRIC SQUALL LINE EVOLUTION APPEARS TO BE
OCCURRING ACROSS CENTRAL TX GENERALLY NEAR THE I-35
CORRIDOR...INCLUDING AN NORTH-SIDE EMBEDDED COMMAHEAD CIRCULATION
NORTHWEST OF THE AUSTIN AREA AS OF 945 PM CDT. THIS CIRCULATION
COULD PERSIST OUTSIDE OF TORNADO WATCH 198...WHILE OTHER STORMS HAVE
RECENTLY REDEVELOPED/INCREASED OVER THE EASTERN PART OF THE
METROPLEX. EARLIER 00Z OBSERVED SOUNDING FROM FORT WORTH AND MORE
RECENT WSR-88D VWP DATA FROM KFWS SUPPORTS AROUND 225-275 M2/S2 OF
0-1 KM SRH. PARTICULARLY WITH SOME ADDITIONAL INCREASE OF A
SOUTHERLY LOW-LEVEL JET POSSIBLE TONIGHT...A TORNADO/LOCALIZED WIND
DAMAGE RISK MAY INCREASE THROUGH LATE EVENING/OVERNIGHT.

..GUYER/CORFIDI.. 05/24/2015

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

ATTN...WFO...SHV...HGX...FWD...EWX...

LAT...LON   30219729 31089805 31819781 33199727 32969566 31619525
            29179633 30219729




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