808  
FXUS64 KHUN 231055  
AFDHUN  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE HUNTSVILLE AL  
555 AM CDT SAT MAY 23 2026  
   
..NEW AVIATION  
 
   
KEY MESSAGES  
 
UPDATED AT 338 AM CDT SAT MAY 23 2026  
 
- A WET WEATHER PATTERN WILL CONTINUE FOR THE NEXT SEVEN DAYS  
WITH AN ADDITIONAL 2.5-4 INCHES OF RAIN EXPECTED. THUS, THERE  
IS AT LEAST A LOW RISK OF FLOODING INTO NEXT WEEK.  
 
- WE ARE MONITORING THE POTENTIAL FOR A FEW STRONG STORMS ON  
MONDAY, BUT CONFIDENCE IS LOW. WE ARE NOT CURRENTLY OUTLOOKED  
FOR SEVERE WEATHER BY THE STORM PREDICTION CENTER.  
 
 
   
NEAR TERM  
 
(TODAY)  
ISSUED AT 338 AM CDT SAT MAY 23 2026  
 
LIGHT TO AT TIMES MODERATE SHOWERS WITH A FEW EMBEDDED STORMS ARE  
CURRENTLY ONGOING OVER NORTHWEST ALABAMA. SOME LIGHT RETURNS WERE  
SEEN OVER NORTHEAST ALABAMA AND INTO SOUTHERN MIDDLE TENNESSEE AS  
WELL. OVERALL, NOT EXPECTING TOO MUCH MORE IN THE WAY OF SHOWER  
AND STORM ACTIVITY OVER THE NEXT SEVERAL HOURS. IN FACT, HI-RES  
MODEL GUIDANCE SUGGESTS THAT COVERAGE OF SHOWERS AND STORMS WILL  
BE LESS TODAY COMPARED TO RECENT DAYS. MODEL PWATS ARE ALSO  
SLIGHTLY LOWER, RANGING BETWEEN 1.4-1.7 INCHES (~1.6 INCHES IS THE  
90TH PERCENTILE WHEN COMPARED WITH BMX SOUNDING CLIMATOLOGY).  
THEREFORE, MAINLY MEDIUM CHANCES (40-60%) OF SHOWERS AND STORMS  
ARE FORECAST TODAY. NOT ANTICIPATING SEVERE WEATHER TODAY EITHER,  
DUE TO BULK SHEAR VALUES SHOWN BY GUIDANCE ONLY REACHING BETWEEN  
20-25 KNOTS EVEN WITH SUFFICIENT INSTABILITY (1500-2300 J/KG).  
EVEN SO, IT WILL BE IMPORTANT TO REMAIN WEATHER AWARE IF YOU HAVE  
OUTDOOR ACTIVITIES, SINCE HEAVY DOWNPOURS AND FREQUENT LIGHTNING  
WILL CONTINUE TO BE IMPACTS WITH ANY SHOWERS/STORMS. WHEN THUNDER  
ROARS, GO INDOORS! SEE A FLASH, DASH INSIDE! LASTLY, HIGHS THIS  
AFTERNOON ARE FORECAST TO TOP OUT IN THE UPPER 70S TO LOWER 80S.  
 
 
   
SHORT TERM  
 
(SATURDAY NIGHT THROUGH MONDAY)  
ISSUED AT 1032 PM CDT FRI MAY 22 2026  
 
WITH A LOSS OF DAYTIME HEATING, ISOLATED TO SCATTERED SHOWER  
CHANCES ARE FORECAST SATURDAY NIGHT, WITH LOWS IN THE MID 60S.  
DEEPER MOISTURE HOWEVER WILL RETURN FOR THE START OF THE NEW WEEK.  
PRECIP WATER AMOUNTS WILL RISE INTO THE 1.7 TO 1.8", OR HIGHER  
THAN THE 90TH PERCENTILE FOR THIS TIME OF YEAR. DAYTIME HEATING  
WITH HIGHS RISING INTO THE LOWER 80S WILL PRODUCE HIGHER  
INSTABILITY, WITH NUMEROUS SHOWERS AND STORMS FORMING IN THE  
AFTERNOON AND EVENING. RAINFALL TOTALS OF 0.5 TO 1 INCH ARE  
EXPECTED, WITH LOCALLY HIGHER AMOUNTS.  
 
SHOWER ACTIVITY SHOULD WIND DOWN SUNDAY EVENING WITH A LOSS OF  
DAYTIME PRODUCED INSTABILITY. AN ALMOST REPEAT PERFORMANCE IS  
FORECAST FOR MEMORIAL DAY, WITH NUMEROUS SHOWERS AND STORMS  
FORMING IN THE AFTERNOON AND EVENING. OVERALL STORM INTENSITY  
SHOULD BE "GENERAL" ON SUNDAY, WITH RATHER HIGH INSTABILITY DUE TO  
HIGH MOISTURE CONTENT BUT WEAK SHEAR. MONDAY ON THE OTHER HAND  
HAS ELEVATED INSTABILITY, AS WELL AS HIGHER SHEAR VALUES; THUS WE  
CANNOT RULE OUT A STRONGER STORM POTENTIAL.  
 
 
   
LONG TERM  
 
(MONDAY NIGHT THROUGH FRIDAY)  
ISSUED AT 1032 PM CDT FRI MAY 22 2026  
 
UNSETTLED WEATHER WILL CONTINUE FOR THE REST OF THE WEEK. A  
LARGER SCALE UPPER TROUGHING WEST AND RIDGING EAST BIG PICTURE  
PATTERN IS EXPECTED. A DEEP SOUTHERLY LOWER LEVEL FLOW WILL ALSO  
PERSIST. THIS FLOW BRINGING MOISTURE FROM THE GULF FURTHER INLAND  
WILL KEEP DAILY CHANCES OF SHOWERS AND THUNDERSTORMS IN THE  
FORECAST. THE CONVECTION SHOULD BE ON A DIURNAL TREND - MAINLY IN  
THE AFTERNOON TO EARLY EVENING HOURS EACH DAY. AS SUCH, DAILY HIGH  
TEMPERATURES SHOULD RISE INTO THE LOW/MID 80S, AND NIGHTTIME LOWS  
MAINLY IN THE MID 60S. PRECIPITABLE WATER AMOUNT IN THE 1.6 TO 1.8  
INCH RANGE WILL PRODUCE A RISK OF LOCALLY HEAVY RAINFALL, WITH  
SOME RISKS FOR FLOODING AND AT TIMES ELEVATED WATER LEVELS WITHIN  
AREA CREEKS, STREAMS, AND RIVERS.  
 
 
   
AVIATION  
 
(12Z TAFS)  
ISSUED AT 555 AM CDT SAT MAY 23 2026  
 
A MIX OF VFR AND MVFR CONDITIONS WERE OBSERVED OVER NORTH ALABAMA  
AT ISSUANCE. FOR THE TERMINALS, ANTICIPATING LOW CIGS (MAINLY  
MVFR WITH PERHAPS INSTANCES OF IFR) THROUGH THIS MORNING.  
ADDITIONALLY, LOW TO MEDIUM CHANCES (30-60%) OF SHOWERS AND STORMS  
WILL PREVAIL THROUGH MUCH OF THE DAY, WITH CHANCES DECREASING  
THIS EVENING. EXPECT LOWER CIGS AND VIS IN THE HEAVIER SHOWERS.  
OTHERWISE, VFR CONDITIONS SHOULD LARGELY RETURN THIS AFTERNOON.  
ALTHOUGH, CONDITIONS ARE FORECAST TO DROP ONCE AGAIN LATE TONIGHT  
TO AT LEAST MVFR WITH RAIN CHANCES INCREASING AS WELL. SOUTHERLY  
WINDS AROUND 5 KNOTS OR SO WILL BECOME SOUTHWESTERLY THROUGH THIS  
MORNING. LIGHT TO CALM WINDS ARE THEN ANTICIPATED TO TAKE HOLD  
THIS EVENING AND CONTINUE OVERNIGHT.  
 
 
   
HUN WATCHES/WARNINGS/ADVISORIES  
 
AL...NONE.  
TN...NONE.  
 
 
 
 
NEAR TERM...26  
SHORT TERM....RSB  
LONG TERM....RSB  
AVIATION...26  
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