Severe Storm Outlook Narrative (AC)
Issued by NWS

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000
ACUS03 KWNS 050831
SWODY3
SPC AC 050830

DAY 3 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0230 AM CST THU MAR 05 2015

VALID 071200Z - 081200Z

...NO TSTM AREAS FORECAST...

...SUMMARY...
SHOWERS AND POSSIBLY A THUNDERSTORM OR TWO ARE EXPECTED TO DEVELOP
OVER SOUTHERN THROUGH SOUTHEASTERN TEXAS LATER SATURDAY NIGHT.

...SYNOPSIS...

SPLIT-FLOW REGIME WILL PREVAIL SATURDAY WITH A SYNOPTIC TROUGH OVER
THE ERN U.S. AS WELL AS A SRN-STREAM UPPER LOW THAT WILL MOVE FROM
THE SWRN STATES INTO NRN MEXICO AND SWRN TX. AT THE SFC AN AREA OF
HIGH PRESSURE WILL PERSIST FROM SRN TX THROUGH THE SERN STATES.

...SRN THROUGH SERN TX...

AHEAD OF THE SLOW MOVING SRN-STREAM TROUGH...SLY LOW-LEVEL WINDS
WILL INCREASE OVER TX CONTRIBUTING TO LIMITED MOISTURE TRANSPORT
BENEATH MODEST MID-LEVEL LAPSE RATES. THIS PROCESS SHOULD RESULT IN
AT LEAST WEAK INSTABILITY AND AN INCREASE IN ISENTROPIC ASCENT.
ELEVATED...SHALLOW CONVECTION WILL LIKELY DEVELOP LATER SATURDAY
NIGHT FROM SRN TO SERN TX. AT THIS TIME THE THERMODYNAMIC
ENVIRONMENT APPEARS TOO MARGINAL FOR MORE THAN VERY SPARSE LIGHTNING
STRIKES AT BEST.

..DIAL.. 03/05/2015




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