671  
FNUS54 KHUN 171933  
FWFHUN  
 
FIRE WEATHER PLANNING FORECAST FOR NORTHERN ALABAMA  
NATIONAL WEATHER SERVICE HUNTSVILLE AL  
233 PM CDT TUE JUL 17 2018  
   
DISCUSSION
 
 
IN THE WAKE OF A COLD FRONT THAT MOVED THROUGH THE AREA TUESDAY,  
WEDNESDAY WILL BE A DRY AND LESS HUMID DAY. RH VALUES WILL FALL INTO  
THE UPPER 40S AND LOWER 50S, WITH TRANSPORT WINDS OUT OF THE NORTH  
AROUND 5MPH. WINDS WILL TURN MORE SOUTHERLY BY THURSDAY, AND EVEN  
SOUTHWESTERLY AGAIN BY FRIDAY. AS A RESULT, DISPERSION WILL IMPROVE  
THROUGH THIS TIME.  
 
THE ONLY WEATHER OF NOTE TO DISCUSS DURING THIS TIME WILL BE THE  
POTENTIAL FOR FOG TONIGHT ACROSS THE AREA IN THE WAKE OF THE  
RECENT RAINFALL. VISIBILITIES WILL BE REDUCED FROM OVERNIGHT TONIGHT  
THROUGH MID-MORNING WEDNESDAY, BEFORE DISSIPATING WITHIN A COUPLE OF  
HOURS OF SUNRISE TOMORROW MORNING.  
 
FOG POTENTIAL OVER THE NEXT FEW DAYS: SEE ABOVE.  
 
POTENTIAL FOR RED FLAG CONDITIONS: NONE.  
 
ALZ001>003-181030-  
LAUDERDALE-COLBERT-FRANKLIN AL-  
INCLUDING THE CITIES OF FLORENCE, MUSCLE SHOALS, SHEFFIELD,  
TUSCUMBIA, RUSSELLVILLE, AND RED BAY  
233 PM CDT TUE JUL 17 2018  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
TEMP 71 90 66 91  
RH % 98 50 97 47  
20FT WND MPH (AM) LGT/VAR LGT/VAR  
20FT WND MPH (PM) LGT/VAR LGT/VAR LGT/VAR LGT/VAR  
CHANCE PRECIP (%) 20 0 0 0  
PRECIP TYPE TSTMS NONE NONE NONE  
PRECIP DURATION 0-1 0 0 0  
PRECIP AMOUNT 0.00 0.00 0.00 0.00  
MIXING HGT (FT-AGL) 7000 8400  
TRANSPORT WND (MPH) N 3 SW 5  
LAL 3 1 1 1  
STABILITY CLASS E C E C  
MAX LVORI 10 10  
DISPERSION 25 FAIR 57 GEN GOOD  
 
REMARKS...NONE.  
 

 
 
ALZ004-014-181030-  
LAWRENCE-WINSTON-  
INCLUDING THE CITIES OF MOULTON, TOWN CREEK, AND HALEYVILLE  
233 PM CDT TUE JUL 17 2018  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER PCLDY PCLDY PCLDY PCLDY  
TEMP 70 90 66 91  
RH % 100 48 98 46  
20FT WND MPH (AM) LGT/VAR LGT/VAR  
20FT WND MPH (PM) LGT/VAR LGT/VAR LGT/VAR LGT/VAR  
CHANCE PRECIP (%) 40 0 0 0  
PRECIP TYPE TSTMS NONE NONE NONE  
PRECIP DURATION 0-2 0 0 0  
PRECIP AMOUNT 0.01 0.00 0.00 0.00  
MIXING HGT (FT-AGL) 7400 8900  
TRANSPORT WND (MPH) N 5 SW 3  
LAL 3 1 1 1  
STABILITY CLASS E C E C  
MAX LVORI 10 10  
DISPERSION 33 FAIR 44 GEN GOOD  
 
REMARKS...NONE.  
 

 
 
ALZ005>007-016-181030-  
LIMESTONE-MADISON-MORGAN-CULLMAN-  
INCLUDING THE CITIES OF ATHENS, HUNTSVILLE, DECATUR, AND CULLMAN  
233 PM CDT TUE JUL 17 2018  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER PCLDY MCLEAR PCLDY PCLDY  
TEMP 69 90 66 92  
RH % 100 48 98 46  
20FT WND MPH (AM) LGT/VAR LGT/VAR  
20FT WND MPH (PM) LGT/VAR LGT/VAR LGT/VAR LGT/VAR  
CHANCE PRECIP (%) 30 0 0 0  
PRECIP TYPE TSTMS NONE NONE NONE  
PRECIP DURATION 0-2 0 0 0  
PRECIP AMOUNT 0.01 0.00 0.00 0.00  
MIXING HGT (FT-AGL) 6800 8600  
TRANSPORT WND (MPH) N 6 SW 3  
LAL 3 1 1 1  
STABILITY CLASS E C E C  
MAX LVORI 10 10  
DISPERSION 40 FAIR 35 FAIR  
 
REMARKS...NONE.  
 

 
 
ALZ008>010-181030-  
MARSHALL-JACKSON-DEKALB-  
INCLUDING THE CITIES OF ALBERTVILLE, BOAZ, GUNTERSVILLE, ARAB,  
SCOTTSBORO, FORT PAYNE, AND RAINSVILLE  
233 PM CDT TUE JUL 17 2018  
 
TONIGHT WED WED NIGHT THU  
 
CLOUD COVER PCLDY MCLEAR PCLDY PCLDY  
TEMP 68 90 65 91  
RH % 100 43 96 45  
20FT WND MPH (AM) LGT/VAR LGT/VAR  
20FT WND MPH (PM) LGT/VAR LGT/VAR LGT/VAR LGT/VAR  
CHANCE PRECIP (%) 40 0 0 0  
PRECIP TYPE TSTMS NONE NONE NONE  
PRECIP DURATION 0-2 0 0 0  
PRECIP AMOUNT 0.01 0.00 0.00 0.00  
MIXING HGT (FT-AGL) 7200 8300  
TRANSPORT WND (MPH) N 6 SW 2  
LAL 3 1 1 1  
STABILITY CLASS E C E C  
MAX LVORI 10 10  
DISPERSION 42 GEN GOOD 35 FAIR  
 
REMARKS...NONE.  
 

 
 
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
THURSDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER 70S. MAXIMUM RH  
93 PERCENT. NORTHEAST WINDS AROUND 5 MPH.    
FRIDAY
 
PARTLY SUNNY WITH A 40 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE LOWER 90S. MINIMUM RH 55 PERCENT.  
SOUTHEAST WINDS AROUND 5 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE LOWER 70S. MAXIMUM RH 99 PERCENT.  
SOUTH WINDS AROUND 5 MPH.    
SATURDAY
 
PARTLY SUNNY WITH A 50 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 62 PERCENT.  
SOUTHWEST WINDS AROUND 5 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 60S. MAXIMUM RH  
99 PERCENT. WEST WINDS AROUND 5 MPH.    
SUNDAY
 
MOSTLY SUNNY WITH A 30 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS IN THE UPPER 80S. MINIMUM RH 54 PERCENT.  
NORTHWEST WINDS AROUND 5 MPH.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 60S. MAXIMUM RH  
96 PERCENT. NORTHWEST WINDS AROUND 5 MPH.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH  
49 PERCENT. WEST WINDS AROUND 5 MPH.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 60S. MAXIMUM RH  
95 PERCENT. NORTHWEST WINDS AROUND 5 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. MINIMUM RH  
51 PERCENT. NORTH WINDS AROUND 5 MPH.  
 

 
 
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