534  
FXUS64 KMOB 201107  
AFDMOB  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE MOBILE AL  
507 AM CST FRI DEC 20 2024  
   
..NEW AVIATION  
 
   
AVIATION  
 
(12Z TAFS)  
ISSUED AT 504 AM CST FRI DEC 20 2024  
 
CONDITIONS ACROSS THE FORECAST AREA WERE MOSTLY VFR WITH LOCAL  
PATCHES OF LOW END MVFR STRATUS AND FOG, AND ARE EXPECTED TO  
QUICKLY MIX OUT AFTER SUNRISE. NORTHERLY WINDS WILL INCREASE TO  
10 TO 15 KNOTS AND GUSTY TODAY.  
/16  
 
 
   
PREV DISCUSSION  
/ISSUED 351 AM CST FRI DEC 20 2024/  
   
.NEW NEAR TERM, SHORT TERM, LONG TERM, MARINE  
 
NEAR TERM...  
(NOW THROUGH SATURDAY)  
ISSUED AT 348 AM CST FRI DEC 20 2024  
 
A COOLER AND DRIER AIRMASS WILL CONTINUE ACROSS THE AREA TODAY  
UNDER NORTHWEST FLOW ALOFT. HIGHS TODAY WILL REACH THE UPPER 50S  
AND LOW 60S INLAND TO LOW TO MID 60S ALONG THE COAST. ANOTHER COLD  
FRONT WILL MOVE THROUGH THE AREA THIS AFTERNOON AND EVENING  
BRINGING AND EVEN COLDER AIRMASS INTO THE REGION WITH LOWS TONIGHT  
FALLING INTO THE UPPER 20S AND LOW 30S INLAND TO MID 30S ALONG  
THE COAST. HIGH TEMPS ON SATURDAY WILL ONLY BE IN THE LOW TO MID  
50S. LOWS SATURDAY NIGHT WILL FALL INTO THE MID/UPPER 20S INLAND  
TO MID/UPPER 30S ALONG THE COAST. /13  
 
SHORT THROUGH EXTENDED TERMS...  
(SUNDAY NIGHT THROUGH THURSDAY)  
ISSUED AT 348 AM CST FRI DEC 20 2024  
 
A SHORTWAVE TROUGH MOVES THROUGH A NOW MEAN UPPER TROUGH OVER THE  
EASTERN CONUS, SHIFTING THE MEAN TROUGH EAST THROUGH THE WEEKEND.  
SURFACE HIGH PRESSURE NEAR THE MISSISSIPPI RIVER SHIFTS EAST TO NEAR  
THE EAST COAST BY SUNDAY NIGHT IN RESPONSE, WITH LOW LEVEL FLOW  
SHIFTING TO EASTERLY SUNDAY NIGHT INTO MONDAY NIGHT. AS THE SURFACE  
HIGH MOVES OFF THE EAST COAST IN THE COMING WEEK, SOUTHEASTERLY FLOW  
RETURNS TO THE SOUTHEAST TUESDAY AND GULF MOISTURE BEGINS TO MOVE  
INLAND. GUIDANCE IS ADVERTISING ENOUGH MOISTURE FOR RAIN SHOWERS AND  
A FEW THUNDERSTORMS TO BEGIN TO MOVE NORTH OVER THE NORTHERN GULF OF  
MEXICO MONDAY NIGHT INTO TUESDAY AS ANOTHER SHORTWAVE SYSTEM PASSES  
OVER THE SOUTHEAST, WITH THE GREATEST CHANCE OF RAIN BEING  
WEDNESDAY. INCONSISTENCIES IN INSTABILITY AND UPPER SUPPORT MID WEEK  
MAKE PINNING DOWN ANY CHANCE OF STRONG TO SEVERE WEATHER AT THIS  
POINT VERY DIFFICULT, SO WILL CONTINUE TO MONITOR AT THIS TIME  
 
TEMPERATURES START THE WEEKEND WELL BELOW SEASONAL NORMS, WITH HIGH  
TEMPERATURES SUNDAY GENERALLY IN THE MID TO UPPER 50S. HIGH  
TEMPERATURES SEE A RISE INTO THE COMING WEEK, WITH UPPER 60S TO LOW  
70S EXPECTED BY THURSDAY. SUNDAY NIGHT IS EXPECTED TO BE ANOTHER  
COLD NIGHT, WITH LOW TEMPERATURES RANGING FROM THE UPPER 20S WELL  
NORTH OF HIGHWAY 84 TO UPPER 30S AROUND 40 SOUTH OF I-10. BY  
WEDNESDAY NIGHT, LOW TEMPERATURES RANGING FROM THE LOW 50S NORTH OF  
HIGHWAY 84 TO MID/UPPER 50S SOUTH OF I-10 ARE EXPECTED.  
 
NORTHERLY FLOW IS EXPECTED ALONG THE COAST THROUGH THE WEEKEND  
BEFORE BECOMING EAST TO SOUTHEASTERLY IN THE COMING WEEK. A MODERATE  
RISK OF RIP CURRENTS IS EXPECTED TUESDAY.  
/16  
 
MARINE...  
ISSUED AT 348 AM CST FRI DEC 20 2024  
 
LIGHT TO MODERATE NORTHWESTERLY WINDS BECOMES A STRONG NORTHERLY  
FLOW LATE FRIDAY AFTERNOON INTO EARLY SATURDAY IN THE WAKE OF A  
REINFORCING COLD FRONT. A SMALL CRAFT ADVISORY IS EFFECT FOR AREA  
WATERS BEGINNING FRIDAY AFTERNOON AND GOING THROUGH FRIDAY NIGHT.  
WINDS THEN DIMINISH OVER THE WEEKEND WHILE SHIFTING NORTHEASTERLY.  
A LIGHT TO MODERATE EASTERLY TO SOUTHEASTERLY FLOW THEN SETS UP  
MONDAY INTO MIDWEEK.  
/13/16  
 
 
   
MOB WATCHES/WARNINGS/ADVISORIES  
 
AL...NONE.  
FL...NONE.  
MS...NONE.  
GM...SMALL CRAFT ADVISORY FROM 3 PM THIS AFTERNOON TO 9 AM CST  
SATURDAY FOR GMZ630>636-650-655-670-675.  
 
 
 
 
 
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