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
000
ACUS48 KWNS 070947
SWOD48
SPC AC 070945

DAY 4-8 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0345 AM CST SUN FEB 07 2016

VALID 101200Z - 151200Z

...DISCUSSION...
THE MEDIUM RANGE MODELS BEGIN THE DAY 4 TO 8 PERIOD WITH A LARGE
UPPER-LEVEL TROUGH OVER THE ERN U.S. ON WEDNESDAY/DAY 4 AND MOVE THE
TROUGH EWD TO THE ERN SEABOARD WEDNESDAY NIGHT. ON THURSDAY/DAY 5
AND FRIDAY/DAY 6...NORTHWEST MID-LEVEL FLOW REMAINS FROM THE NCNTRL
STATES SEWD TO THE MS VALLEY. THE MODELS REDEVELOP AN UPPER-LEVEL
TROUGH OVER THE ERN U.S. FRIDAY NIGHT. THIS FEATURE MOVES TO THE
ATLANTIC SEABOARD ON SATURDAY/DAY 7 AND INTO THE ATLANTIC BY
SUNDAY/DAY 8. AT THE SFC...HIGH PRESSURE IS FORECAST TO DOMINATE
ACROSS THE SRN AND ERN STATES DURING MUCH OF THE DAY 4 TO 8 PERIOD
LIMITING MOISTURE RETURN. THIS WILL MAKE CONDITIONS UNFAVORABLE FOR
THUNDERSTORMS ACROSS MOST OF THE U.S. THROUGH NEXT WEEKEND.

..BROYLES.. 02/07/2016


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