Severe Storm Outlook Narrative (AC)
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
000
ACUS02 KWNS 040653
SWODY2
SPC AC 040652

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1252 AM CST WED MAR 04 2015

VALID 051200Z - 061200Z

...NO SVR TSTM AREAS FORECAST...

...SUMMARY...
A FEW THUNDERSTORMS ARE POSSIBLE EARLY THURSDAY FROM SOUTHEASTERN
TEXAS INTO LOUISIANA. OTHER THUNDERSTORMS MIGHT ALSO OCCUR FROM
GEORGIA INTO THE EASTERN CAROLINAS THURSDAY AFTERNOON.

...SYNOPSIS...

POSITIVE-TILT UPPER TROUGH WILL MOVE THROUGH THE GREAT LAKES...OHIO
VALLEY AND NERN U.S. THURSDAY. A COLD FRONT IS FORECAST TO EXTEND
FROM NC SWWD INTO THE WESTERN GULF THURSDAY MORNING. THIS BOUNDARY
WILL MOVE SEWD...REACHING THE SRN TIP OF FLORIDA TOWARD THE END OF
THE PERIOD.

...SERN TX INTO LA...

A BAND OF ELEVATED SHOWERS WILL PERSIST EARLY THURSDAY FROM TX INTO
THE LOWER MS VALLEY WHERE SWLY FLOW ALOFT WILL MAINTAIN MOISTURE
TRANSPORT AND WEAK /AOB 300 J/KG/ MUCAPE IN THE POST-FRONTAL LAYER.
A FEW LIGHTNING STRIKES MIGHT OCCUR WITHIN THIS BAND OF SHALLOW
CONVECTION...PRIMARILY THURSDAY MORNING BEFORE DIMINISHING BY NOON.

...GA INTO THE ERN CAROLINAS...

SHALLOW...ELEVATED CONVECTION WILL PERSIST IN POST-FRONTAL ZONE
ALONG THE NERN EXTENT OF MOISTURE TRANSPORT FROM THE TN VALLEY INTO
THE CAROLINAS. WARM-SECTOR INSTABILITY WILL REMAIN VERY WEAK DUE TO
POOR MID-LEVEL LAPSE RATES AND MODEST LOW-LEVEL MOISTURE WITH MUCAPE
PEAKING AROUND 300 J/KG. SOME OF THE CONVECTION DEVELOPING ALONG OR
JUST BEHIND THE FRONT MIGHT BECOME DEEP ENOUGH FOR A FEW LIGHTNING
STRIKES FROM SERN GA INTO THE ERN CAROLINAS DURING THE AFTERNOON.

..DIAL.. 03/04/2015




USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.