DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 280054
SWODY1
SPC AC 280052

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0752 PM CDT SUN OCT 27 2013

VALID 280100Z - 281200Z

...NO TSTM AREAS FORECAST...

...DISCUSSION...
WHILE A SERIES OF UPPER TROUGHS -- BOTH NRN AND SRN STREAM -- SHIFT
ACROSS THE ERN HALF OF NOAM OVERNIGHT...A WRN UPPER LOW WILL
CONTINUE TO STRENGTHEN/EXPAND AS IT DIGS SWD INTO CA AND NV THROUGH
THE END OF THE PERIOD. SHOWERS AND A FEW EMBEDDED LIGHTNING STRIKES
ARE OCCURRING ATTM JUST AHEAD OF THIS FEATURE -- IN A BAND FROM NRN
CA ENEWD INTO SRN ID...BUT EXPECT LIGHTNING TO REMAIN VERY ISOLATED
/LESS THAN 10% COVERAGE/ THE REMAINDER OF THE PERIOD.

SHOWERS WITH SPORADIC/EMBEDDED LIGHTNING ARE ALSO OCCURRING ACROSS
THE LA/MS/AL VICINITY NEAR AN EWD-MOVING TROUGH IN THE SRN
STREAM...AS WELL AS ACROSS THE SERN WY/NEB PANHANDLE VICINITY NEAR A
WEAKER/PROGRESSING VORT MAX. AS IS THE CASE FARTHER W...LIGHTNING
COVERAGE SHOULD REMAIN BELOW THE 10% THRESHOLD FOR INCLUSION OF AN
OUTLOOK AREA.

..GOSS.. 10/28/2013

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