113  
FNUS74 KMOB 191830  
FWSMOB  
 
SPOT FORECAST FOR DESOTO BB 8359 C-609 RX...USFS  
NATIONAL WEATHER SERVICE MOBILE AL  
130 PM CDT THU MAR 19 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 1500 CDT ON MARCH 19.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
DRY CONDITIONS ARE EXPECTED FOR THE REMAINDER OF THE  
DAY AND INTO TONIGHT. FOR THIS AFTERNOON, THE MINIMUM RELATIVE  
HUMIDITY IS NEAR 25-30%, TRANSPORT WINDS WILL GENERALLY BE  
WESTERLY, AND DISPERSION VALUES WILL BE GENERALLY GOOD.  
 
FOG POTENTIAL AND OTHER REMARKS...FOG IS NOT EXPECTED TONIGHT.  
 
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 75.  
MIN HUMIDITY........27 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS AROUND 5 MPH.  
MIXING HEIGHT.......5100 FT AGL.  
MIXING HEIGHT (M)...1494-1554 METERS AGL.  
TRANSPORT WINDS.....WEST 6 TO 8 MPH.  
TRANSPORT WINDS M/S.WEST 3 TO 4 METERS/SECOND.  
DISPERSION INDEX....41 INCREASING TO 51 LATE IN THE AFTERNOON.  
LVORI...............1.  
STABILITY CLASS.....2.  
 
TIME (CDT) 3 PM 5 PM  
SKY (%).........6 4  
WEATHER COV.....  
WEATHER TYPE....NONE NONE  
TSTM COV........  
CHC OF PCPN (%).0 0  
TEMP............73 74  
RH..............28 30  
20 FT WIND DIR..SW SW  
20 FT WIND SPD..6 6  
20 FT WIND GUST.8 8  
MIX HGT (FT)....4900 5100  
MIX HGT (M).....1490 1550  
TRANSP WIND DIR.W W  
TRANSP WIND SPD.6 8  
TRANS WIND DIR..W W  
TRANS SPD (M/S).3 4  
DISPERSION IDX..37 51  
LVORI...........1 1  
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR (0-10 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....AROUND 48.  
MAX HUMIDITY........100 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......300 FT AGL.  
MIXING HEIGHT (M)...91-1554 METERS AGL.  
TRANSPORT WINDS.....WEST AROUND 8 MPH SHIFTING TO THE SOUTHWEST 7  
TO 9 MPH IN THE EVENING AND OVERNIGHT, THEN  
SHIFTING TO THE WEST 6 TO 7 MPH AFTER 3 AM.  
TRANSPORT WINDS M/S.WEST AROUND 4 METERS/SECOND SHIFTING TO THE  
SOUTHWEST 3 TO 4 METERS/SECOND IN THE EVENING  
AND OVERNIGHT, THEN SHIFTING TO THE WEST AROUND  
3 METERS/SECOND AFTER 3 AM.  
DISPERSION INDEX....47 DECREASING TO 4.  
LVORI...............5.  
STABILITY CLASS.....4.  
 
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........5 3 2 2 2 1  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0  
TEMP............72 63 55 52 50 48  
RH..............34 52 74 83 93 100  
20 FT WIND DIR..SSW S S SW SW W  
20 FT WIND SPD..3 2 2 2 2 2  
20 FT WIND GUST.7 6 6 6 5 5  
MIX HGT (FT)....5100 300 300 300 300 300  
MIX HGT (M).....1550 90 90 90 90 90  
TRANSP WIND DIR.WSW S SSW SW WSW W  
TRANSP WIND SPD.8 8 7 8 8 7  
TRANS WIND DIR..WSW S SSW SW WSW W  
TRANS SPD (M/S).4 4 3 4 4 3  
DISPERSION IDX..47 3 3 4 4 3  
LVORI...........1 2 3 5 6 9  
 

 
FORECASTER...96  
REQUESTED BY...MISSISSIPPI INTERAGENCY  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2606585.0/MOB  
.DELDT 03/19/26  
.FORMATTERVERSION 2.0.0  
.EMAIL MSMIC@FIRENET.GOV,BRANDON.SELK@USDA.GOV,CLINTON.HUFFMAN@USDA.GOV  
 
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