Mon May 20 14:49:20 EDT 2024

Northwest Blount-
Including the cities of Happy Valley, Maryville, and Alcoa
249 PM EDT Mon May 20 2024

                      Tonight      Tue          Tue Night    Wed          

Cloud Cover           Mclear       Mclear       Mclear       Pcldy        
Temp (24h trend)      60-65 (+2)   81-86 (+1)   61-66        83-88        
RH % (24h trend)      95-100 (0)   48-53 (-3)   90-95        44-49        
RH Recovery           Excellent                 Excellent                 
AM 20FT Wnd (mph)                  Lgt/Var                   SW  8        
PM 20FT Wnd (mph)     Lgt/Var      Lgt/Var      S  6         SW  8        
Transport Wnd (mph)   S  5         SW  5        S  6         SW 12        
Mixing Hgt(ft-agl)    340          5350         120          5600         
Vent Rate (mph-ft)    1700         26750        720          67200        
Max Dispersion Early  3 Very Poor  21 Fair      4 Very Poor  53 Gen Good  
Max Dispersion Late   3 Very Poor  25 Fair      4 Very Poor  56 Gen Good  
Category Day          1            2            1            4            
Haines Index          4            4            4            4            
Max LVORI Early       5            7            5            6            
Max LVORI Late        7            3            6            2            
Precip Chance (%)     0            0            0            0            
Precip Type           None         None         None         None         
Precip Duration                                                           
Precip Amount         0.00         0.00         0.00         0.00         
Precip Begin                                                              
Precip End                                                                
LAL                   1            1            1            1            

Remarks...None.

.FORECAST FOR DAYS 3 THROUGH 7...

.WEDNESDAY NIGHT...Mostly cloudy. Lows in the upper 60s. Light
winds. 
.THURSDAY...Mostly cloudy with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 61 percent.
South winds less than 10 mph. 
.THURSDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Light winds. 
.FRIDAY...Mostly cloudy with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 64 percent.
Southeast winds less than 10 mph. 
.FRIDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Light winds. 
.SATURDAY...Mostly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Minimum RH 62 percent.
South winds less than 10 mph. 
.SATURDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Light winds. 
.SUNDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the mid 80s. Minimum RH 64 percent. South
winds less than 10 mph. 
.SUNDAY NIGHT...Mostly cloudy with a chance of showers and
thunderstorms. Lows in the mid 60s. Light winds. 
.MONDAY...Partly sunny with showers likely and a chance of
thunderstorms. Highs in the lower 80s. Minimum RH 67 percent.
South winds less than 10 mph. 


*The AGL Mixing Height is calculated from an average elevation for 
the entire Forecast Zone and should only be used as a guide.  
For a specific AGL Mixing Height a Spot Forecast will be needed.