372
FXUS64 KJAN 170517
AFDJAN
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSON MS
1217 AM CDT TUE MAR 17 2026
..NEW AVIATION
KEY MESSAGES
- MUCH COLDER AIR OVER THE REGION BRINGS THE THREAT FOR A
SIGNIFICANT HARD FREEZE TONIGHT.
DISCUSSION
ISSUED AT 117 PM CDT MON MAR 16 2026
TONIGHT THROUGH SUNDAY...A STRONG MID/UPPER LEVEL LONGWAVE TROUGH
CONTINUES TO SWING EAST THROUGH THE REGION THIS AFTERNOON. THIS, AS
THE PRESSURE GRADIENT GRADUALLY RELAXES ACROSS THE AREA LATE THIS
AFTERNOON INTO THIS EVENING. THIS WILL CAUSE THE "WIND ADVISORY",
CURRENTLY IN EFFECT FOR MOST OF THE AREA ALONG AND WEST OF THE
MISSISSIPPI RIVER, TO EXPIRE AT 7 PM TODAY. THE COLD DRY AIRMASS
LEFT IN THE WAKE OF THIS MORNING'S COLD FRONTAL PASSAGE, WILL RESULT
IN QUITE COLD CONDITIONS OVERNIGHT INTO TUESDAY MORNING AS LOWS
AREAWIDE FALL INTO THE 20S. THUS, A "FREEZE WARNING" IS IN EFFECT
FROM 10 PM TONIGHT THROUGH 10 AM TUESDAY.
IT'S BASICALLY A TEMPERATURE FORECAST ACROSS THE AREA THROUGH THE
REMAINDER OF THE WEEK. HIGH PRESSURE AT THE SURFACE CONTINUES TO
GRADUALLY BUILD EAST INTO AND THROUGH THE LOWER MISSISSIPPI RIVER
VALLEY DURING THIS TIME. MEANWHILE, NORTHWEST FLOW ALOFT REMAINS
INTACT ACROSS THE EASTERN HALF OF THE UNITED STATES. THE WEATHER
OVERALL WILL REMAIN QUIET INTO THE UPCOMING WEEKEND.
TEMPERATURES WILL BE ON THE REBOUND AFTER TODAY AND TONIGHT. HIGHS
WILL EVENTUALLY CLIMB BACK INTO THE 80S SATURDAY AND SUNDAY ACROSS
THE AREA. LOWS TUESDAY NIGHT WILL REMAIN CHILLY, BUT THEY'LL ONLY
FALL INTO THE 30S. COME THIS WEEKEND, JUST LIKE WITH THE HIGH
TEMPERATURES, LOWS WILL BE ABOVE NORMAL FOR THIS TIME OF YEAR AS
THEY STRUGGLE TO FALL OUT OF THE 50S. /19/
AVIATION
(06Z TAFS)
ISSUED AT 1217 AM CDT TUE MAR 17 2026
VFR CONDITIONS WILL PREVAIL ACROSS ALL TAF SITES THROUGH THE
PERIOD. /CR/
PRELIMINARY POINT TEMPS/POPS
JACKSON 34 64 44 75 / 0 0 0 0
MERIDIAN 31 63 40 74 / 0 0 0 0
VICKSBURG 36 66 46 76 / 0 0 0 0
HATTIESBURG 33 66 41 77 / 0 0 0 0
NATCHEZ 35 67 46 77 / 0 0 0 0
GREENVILLE 38 65 47 76 / 0 0 0 0
GREENWOOD 36 65 46 76 / 0 0 0 0
JAN WATCHES/WARNINGS/ADVISORIES
MS...FREEZE WARNING UNTIL 10 AM CDT THIS MORNING FOR MSZ018-019-
025>066-072>074.
LA...FREEZE WARNING UNTIL 10 AM CDT THIS MORNING FOR LAZ007>009-015-
016-023>026.
AR...FREEZE WARNING UNTIL 10 AM CDT THIS MORNING FOR ARZ074-075.
EC/EC/CR
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