712
FXUS64 KJAN 290010
AFDJAN
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSON MS
710 PM CDT THU MAY 28 2026
..NEW AVIATION
KEY MESSAGES
- ADDITIONAL PERIODS OF HEAVY RAINFALL AND FLASH FLOODING WILL BE
POSSIBLE THROUGH FRIDAY.
DISCUSSION
ISSUED AT 138 PM CDT THU MAY 28 2026
THROUGH MID NEXT WEEK (TONIGHT THROUGH NEXT TUESDAY)...
SHOWERS AND A FEW STORMS WILL CONTINUE TO POSE A LIMITED FLASH
FLOOD THREAT. THERE ARE SOME HREF DENSE FOG PROBS AGAIN TONIGHT,
BUT CONFIDENCE ISN'T HIGH ENOUGH TO ADD ANY MENTION IN THE HWO BUT
ONLY IN THE WEATHER GRIDS AT THIS TIME.
FRIDAY THROUGH NEXT WEDNESDAY: AS UPPER LOW OVER TX/OK PANHANDLE
LIFTS NORTH, SOUTHERLY FLOW WILL REMAIN ESTABLISHED BUT LIGHTER
THROUGH THE WEEK. THE REGION WILL REMAIN IN A LONGWAVE QUASI-
OMEGA BLOCK PATTERN INTO LATE WEEK (UPPER LOW CAUGHT OVER THE
PACIFIC STATES AND DEVELOPING LONGWAVE TROUGH OVER THE NORTHEAST
STATES INTO EASTERN CANADA). HOWEVER, THIS SYNOPTIC PATTERN
DOESN'T LOOK AS ESTABLISHED AS A TYPICAL OMEGA BLOCK, WITH STRONG
SUBTROPICAL RIDGING ESTABLISHED OVER THE WESTERN ATLANTIC
EXTENDING WESTWARD INTO THE FL PENINSULA. ON THE EASTERN PERIPHERY
OF THE WESTERN PORTION OF THE QUASI-OMEGA BLOCK THE PERTURBED
ENERGY/VORT MAX WILL LIFT NORTHWARD BUT SOME OF THE TAIL END OF
THE TROUGH AXIS WILL SLOWLY SHIFT EAST ACROSS THE REGION FRIDAY.
THIS WILL KEEP LIGHT RETURN FLOW, DEEP MOISTURE AND LIGHT
BACKBUILDING FLOW INTO FRIDAY. RAIN COVERAGE WILL REMAIN HIGH
FRIDAY (45 TO 80 PERCENT DAILY) AND BECOMING FOCUSED EAST OF MS
RIVER CORRIDOR FRIDAY.
AS THE UPPER LOW LIFTS AND TROUGH AXIS SHIFTS EAST ACROSS THE MID
SOUTH TO MID MS VALLEY INTO THE WEEKEND, SHORTWAVE RIDGING AND
WESTERLY FLOW WILL LOCK IN, LEADING TO LESS MOIST GULF INFLUENCE
AND MORE SCATTERED RAIN AND STORM COVERAGE (35 TO 65 PERCENT
SATURDAY AND SUNDAY). HIGHS REMAIN SEASONABLY COOL THIS WEEKEND
(LOW TO UPPER 80S) WHILE GENERALLY SEASONABLY WARM LOWS (UPPER 60S
TO LOW 70S). LONGER RANGE PATTERN CONSISTS OF SURFACE HIGH DIVING
INTO THE GREAT LAKES AND EVENTUAL DRYING FRONT FROM THE NORTH.
HOWEVER TRENDS HAVE SLOWED, WITH MOST RELIEF IN RAIN COVERAGE
BECOMING MORE SCATTERED NEXT MONDAY TO SHIFTING SOUTHWARD AND ISOLATED
TO SCATTERED NEXT TUESDAY TO WEDNESDAY (20 TO 40 PERCENT).
CONTINUED SEASONABLE COOL HIGHS AND LESS SEASONABLY WARM LOWS WILL
BE THE NORM THROUGH THE MIDDLE OF NEXT WEEK. /DC/
AVIATION
(00Z TAFS)
ISSUED AT 702 PM CDT THU MAY 28 2026
WEAK SE LOW LEVEL FLOW AND HIGH BOUNDARY LAYER RH WILL SUPPORT
ANOTHER ROUND OF LATE NIGHT/MORNING IFR/LIFR CATEGORY STRATUS,
INCLUDING THE POTENTIAL FOR EARLY MORNING BR/FG, THAT SHOULD
DISSIPATE/LIFT TO MVFR/VFR CATEGORY BY LATE MORNING. DIURNALLY
ENHANCED SHRA/VCTS SHOULD PEAK DURING THE LATE MORNING AND AFTN,
BUT CONFIDENCE IN SPECIFIC TIMING/LOCATIONS REMAINS LOW. /EC/
PRELIMINARY POINT TEMPS/POPS
JACKSON 70 85 69 87 / 20 70 40 40
MERIDIAN 70 84 69 87 / 20 50 40 50
VICKSBURG 69 85 70 88 / 20 50 30 30
HATTIESBURG 70 85 69 88 / 20 50 30 40
NATCHEZ 70 86 71 89 / 20 50 20 20
GREENVILLE 70 84 70 87 / 60 50 20 20
GREENWOOD 70 84 70 87 / 50 60 40 40
JAN WATCHES/WARNINGS/ADVISORIES
MS...NONE.
LA...NONE.
AR...NONE.
OAJ/EC
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page