558 
FXUS64 KMEG 080759
AFDMEM

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MEMPHIS TN
258 AM CDT THU APR 8 2004

.DISCUSSION...

A SHORT WAVE OVER THE LOWER MISSISSIPPI VALLEY WILL MOVE EASTWARD
ACROSS THE SOUTHEASTERN STATES TODAY AND OFF THE ATLANTIC COAST
TONIGHT. A RIDGE WILL FOLLOW ACROSS THE SOUTHERN PLAINS THEN DAMPEN
OUT AS IT MOVES ACROSS THE LOWER MISSISSIPPI VALLEY TONIGHT AND THE
SOUTHEASTERN STATES FRIDAY. A SURFACE HIGH OVER THE PLAINS STATES
WILL SPREAD DRIER AIR INTO THE MID SOUTH AND CLEAR OUT LINGERING
SHOWERS THIS MORNING AND DECREASE CLOUDINESS THIS AFTERNOON FOLLOWED
BY CLEAR AND SEASONABLY COOL WEATHER TONIGHT.

ANOTHER SHORT WAVE WILL MOVE ACROSS THE SOUTHERN PLAINS FRIDAY BUT
DAMPEN OUT BY THE TIME IT REACHES THE LOWER MISSISSIPPI VALLEY FRIDAY
NIGHT. IN RESPONSE TO THIS A SURFACE LOW WILL MOVE ACROSS THE
SOUTHERN PLAINS AND SPREAD CLOUDINESS AND SHOWERS INTO THE MID SOUTH
AS IT MOVES ACROSS THE REGION SATURDAY. THE UPPER FLOW WILL BECOME
ZONAL ACROSS THE SOUTHERN HALF OF THE NATION AS AN UPPER LOW FORMS
OVER NORTHERN MINNESOTA AND DROPS SOUTHEASTWARD TO THE WESTERN GREAT
LAKES SUNDAY.

SHORT WAVES ROTATING AROUND THE LOW WILL CARVE A DEEP TROF OVER THE
CENTER PART OF THE COUNTRY MONDAY AND TUESDAY. A SURFACE HIGH WILL
SPREAD COOLER AIR INTO THE MID SOUTH SUNDAY. HOWEVER A LOW PRESSURE
SYSTEM WILL MOVE OUT OF THE GULF OF MEXICO AND SPREAD OVERRUNNING
RAIN INTO THE REGION SUNDAY NIGHT INTO EARLY MONDAY. THE AMPLIFIED
UPPER PATTERN WILL SHIFT EASTWARD WITH A TROF IN THE EAST AND A RIDGE
IN THE WEST TUESDAY THROUGH THURSDAY. DURING THAT TIME HIGH PRESSURE
WILL CAUSE DRY AND SEASONABLY COOL WEATHER IN THE MID SOUTH.

&&

.MEG...WATCHES/WARNINGS/ADVISORIES...
AR...NONE.
MS...NONE.
MO...NONE.
TN...NONE.
&&

$$

JCL