480  
FXUS64 KMOB 191716  
AFDMOB  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE MOBILE AL  
1216 PM CDT SUN JUL 19 2026  
   
..NEW AVIATION
 
 
   
KEY MESSAGES
 
 
UPDATED AT 1216 PM CDT SUN JUL 19 2026  
 
- TROPICAL STORM WATCH IN EFFECT FOR THE WATERS OF THE WESTERN  
FLORIDA PANHANDLE AND COASTAL ZONES.  
 
- SCATTERED STORMS EXPECTED EACH AFTERNOON INTO THE EVENING  
TODAY THROUGH MID WEEK WITH GUSTY WINDS BEING THE MAIN  
THREAT.  
 
- HEAT ADVISORY IN EFFECT FOR SOUTHEAST MISSISSIPPI UNTIL 7 PM  
TODAY.  
 

 
   
UPDATE
 
 
ISSUED AT 1012 AM CDT SUN JUL 19 2026  
 
HAVE UPDATED FOR THE ISSUANCE OF A TROPICAL STORM WATCH FOR THE  
WATERS OF THE WESTERN FLORIDA PANHANDLE AND COASTAL ZONES. MADE  
RELATED ADJUSTMENTS TO WINDS, ETC. /29  
 

 
   
DISCUSSION
 
 
ISSUED AT 1239 AM CDT SUN JUL 19 2026  
 
ANOTHER HOT DAY IS ON TAP FOR TODAY. A HEAT ADVISORY HAS BEEN ISSUED  
FOR OUR SOUTHEAST MISSISSIPPI COUNTIES FOR HEAT INDEX VALUES UP TO  
110. ELSEWHERE, HEAT INDEX VALUES ARE JUST BELOW THE HEAT ADVISORY  
THRESHOLD OF 108, BUT STILL VERY WARM WITH MAXIMUM VALUES OF 100-107  
EXPECTED. ANYBODY OUTDOORS SHOULD DRINK PLENTY OF WATER AND TAKE  
BREAKS IN A/C WHEN POSSIBLE.  
 
THE MAIN STORY THROUGH MID WEEK IS THE DISTURBANCE THAT IS CURRENTLY  
OFF THE WEST COAST OF FLORIDA, NOW CALLED INVEST 91L. THE NATIONAL  
HURRICANE CENTER HAS UPPED OUR PROBABILITIES TO A 60% CHANCE OF  
FORMATION IN 48 HOURS. IT IS CURRENTLY NOT VERY ORGANIZED, BUT  
ENSEMBLE GUIDANCE DOES SHOW MORE ORGANIZATION OVER THE NEXT COUPLE  
OF DAYS AS IT APPROACHES SOMEWHERE ALONG THE NORTHERN GULF COAST. IF  
IT IS ABLE TO BE SAMPLED WITH RECONNAISSANCE TODAY, THAT WILL HELP  
INFORM THE MODELS AND HOPEFULLY GET MORE CONSENSUS.  
 
WPC HAS OUR AREA OUTLOOKED FOR EXCESSIVE RAINFALL WITH A MARGINAL  
RISK FOR THE WHOLE AREA TODAY AND AREAS JUST ALONG THE COAST MONDAY  
AND TUESDAY. WE CURRENTLY HAVE NORMAL MOISTURE WITH PWATS SITTING  
AROUND 1.9". LREF ENSEMBLE MEANS SHOW PWATS INCREASING UP TO ~2.25"  
WITH THE APPROACH OF THE DISTURBANCE STARTING MONDAY THROUGH MID  
WEEK. THESE VALUES ARE CLOSER TO THE 90TH PERCENTILE BASED ON  
CLIMATOLOGY. DEEP LAYER FLOW IS PREDOMINATELY SOUTHERLY AND  
REINFORCES THE TROPICAL MOISTURE THROUGH THE ATMOSPHERIC COLUMN.  
THIS INTRODUCES ENHANCED RAIN RATES WITH EFFICIENT WARM RAIN  
PROCESSES IN PLAY WHICH COULD CAUSE SOME FLOODING CONCERNS.  
 
THERE IS STILL UNCERTAINTY IN TIMING AND STRENGTH OF THE SYSTEM AS  
WELL AS THE LOCATION OF THE LOW WHICH HELPS DETERMINE OUR IMPACTS.  
MUCH OF THE CURRENT MODEL GUIDANCE KEEPS THE CENTER OFF THE COAST IN  
OUR AREA AND THEREFORE MOST OF THE RAINFALL FOOTPRINT. THIS TRACK  
WOULD KEEP IMPACTS FOCUSED LARGELY ON THE MARINE AREA WITH GUSTY  
WINDS, INCREASING WAVE HEIGHTS, AND AN INCREASED RIP CURRENT RISK. A  
MORE NORTHERN TRACK WITH THE CENTER JUST ALONG OR INLAND WOULD BRING  
MORE QPF AND FLOODING IMPACTS TO THE AREA.  
 
AFTER INVEST 91L, WE ARE ON THE EASTERN PERIPHERY OF A BUILDING  
UPPER RIDGE UNDER GENERALLY NORTHERLY FLOW. THIS BRINGS RAIN CHANCES  
TO A MORE NORMAL SUMMERTIME PATTERN WITH DAILY CHANCES FOR ISOLATED  
TO SCATTERED SHOWERS AND THUNDERSTORMS, ESPECIALLY ALONG THE SEA  
BREEZE AND RESULTANT OUTFLOW BOUNDARIES.  
   
..BEACH FORECAST
 
 
THE RIP CURRENT RISK WILL INCREASE TO A HIGH FOR FLORIDA BEACHES  
MONDAY AND ALABAMA BEACHES ON TUESDAY WHICH WILL LAST THROUGH  
WEDNESDAY.  
 
SS/97  
 

 
   
AVIATION
 
 
(18Z TAFS)  
ISSUED AT 1216 PM CDT SUN JUL 19 2026  
 
ISOLATED SHOWERS AND THUNDERSTORMS ARE EXPECTED TO MOVE SOUTH ACROSS  
THE FORECAST AREA THIS AFTERNOON, BRINGING LOCAL DROPS OF VFR LEVELS  
TO MID LEVEL MVFR LEVELS. ACTIVITY WILL DECREASE IN THE EVENING,  
WITH NORTHERLY WINDS 5 TO 10 KNOTS BECOMING VARIABLE. UPPER END  
MVFR/VFR CONDITIONS ARE EXPECTED TO DEVELOP, WITH ISOLATED  
RAINSHOWERS POSSIBLE EAST OF I-65. WINDS ARE EXPECTED TO MORE  
NORTHEASTERLY, WHILST RISING TO 5 TO 10 KNOTS.  
/16  
 

 
   
MARINE
 
 
ISSUED AT 151 PM CDT SAT JUL 18 2026  
 
A DEVELOPING SYSTEM OVER THE GULF WILL BRING INCREASING  
FLOW, MAINLY SOUTH OF THE COAST INTO THE COMING WEEK. A SMALL CRAFT  
ADVISORY MAY BE NEEDED IN THE COMING WEEK.  
/16  
 

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
MOBILE 95 75 95 75 / 60 20 60 30  
PENSACOLA 93 77 94 77 / 70 20 60 30  
DESTIN 90 77 91 78 / 70 20 60 30  
EVERGREEN 93 72 94 73 / 70 20 30 20  
WAYNESBORO 97 75 97 76 / 30 20 20 10  
CAMDEN 93 74 94 74 / 70 20 20 10  
CRESTVIEW 93 72 94 74 / 70 20 60 30  
 

 
   
MOB WATCHES/WARNINGS/ADVISORIES
 
 
AL...NONE.  
FL...TROPICAL STORM WATCH FOR FLZ202-204-206.  
 
MS...HEAT ADVISORY UNTIL 7 PM CDT THIS EVENING FOR MSZ067-075-076-078-  
079.  
 
GM...TROPICAL STORM WATCH FOR GMZ634>636-655-675.  
 

 
 

 
 
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