827  
FNUS74 KMOB 191300  
FWSMOB  
 
SPOT FORECAST FOR EGLIN RX F-9...E.N.R.  
NATIONAL WEATHER SERVICE MOBILE AL  
800 AM CDT MON JUN 19 2017  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 CDT ON JUNE 19.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS  
DEVELOP TODAY WITH HIGH RAIN CHANCES EXPECTED FOR TUESDAY AND  
WEDNESDAY, ESPECIALLY CLOSER TO THE COAST. FAIR DISPERSION VALUES  
PREVAIL EACH DAY THROUGH WEDNESDAY, EXCEPT FOR GENERALLY GOOD  
DISPERSION VALUES NEAR THE COAST TUESDAY AND WEDNESDAY. AFTERNOON  
RELATIVE HUMIDITIES WILL BE WELL ABOVE CRITICAL LEVELS.  
   
REST OF TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING,  
THEN CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON.  
CHANCE OF PCPN......40 PERCENT.  
LAL.................1-8 STRIKES UNTIL 1300, THEN 9-15 STRIKES.  
MAX TEMPERATURE.....AROUND 89.  
MIN HUMIDITY........59 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 10 MPH IN  
THE LATE MORNING AND AFTERNOON. GUSTY AND  
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS.  
MIXING HEIGHT.......1300-3100 FT AGL INCREASING TO 3700-4900 FT AGL  
LATE IN THE MORNING.  
MIXING HEIGHT (M)...396-945 METERS AGL INCREASING TO 1128-1494  
METERS AGL LATE IN THE MORNING.  
TRANSPORT WINDS.....SOUTHEAST 6 TO 12 MPH.  
TRANSPORT WINDS M/S.SOUTHEAST 3 TO 5 METERS/SECOND.  
DISPERSION INDEX....15 INCREASING TO 30 IN THE LATE MORNING AND  
AFTERNOON.  
LVORI...............3.  
STABILITY CLASS.....2.  
 
TIME (CDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........46 55 59 62 68 71 74 80 83 84  
WEATHER COV.....SCH SCH SCH SCH SCH CHC CHC CHC CHC CHC  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW  
TSTM COV........SCH SCH SCH SCH SCH CHC CHC CHC CHC CHC  
CHC OF PCPN (%).20 20 20 20 20 40 40 40 40 40  
LAL.............2 2 2 2 2 3 3 3 3 3  
TEMP............78 83 86 88 89 89 88 87 86 85  
RH..............88 74 65 61 59 59 61 63 65 67  
20 FT WIND DIR..NE NE E E E SE SE SE SE SE  
20 FT WIND SPD..4 5 6 7 7 8 10 10 10 8  
20 FT WIND GUST.5 10 10 10 10 15 15 15 15 15  
MIX HGT (KFT)...1.3 2.2 3.1 3.7 4.3 4.9 4.5 4.1 3.7 3.7  
MIX HGT (KM)....0.4 0.7 0.9 1.1 1.3 1.5 1.4 1.2 1.1 1.1  
TRANSP WIND DIR.E E E E SE SE SE SE SE SE  
TRANSP WIND SPD.6 6 7 7 8 8 9 9 10 12  
TRANS WIND DIR..E E E E SE SE SE SE SE SE  
TRANS SPD (M/S).3 3 3 3 4 4 4 4 4 5  
DISPERSION IDX..12 18 25 28 33 34 32 30 30 33  
LVORI...........4 3 3 2 2 2 2 2 3 3  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). CHANCE OF  
SHOWERS AND THUNDERSTORMS IN THE EVENING, THEN  
SHOWERS AND THUNDERSTORMS LIKELY AFTER  
MIDNIGHT.  
CHANCE OF PCPN......60 PERCENT.  
LAL.................9-15 STRIKES UNTIL 0100, THEN 16-25 STRIKES.  
MIN TEMPERATURE.....AROUND 74.  
MAX HUMIDITY........93 PERCENT.  
WIND (20 FT)........EAST WINDS 8 TO 9 MPH. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS.  
MIXING HEIGHT.......2200-3700 FT AGL DECREASING TO 1200-1600 FT AGL  
EARLY IN THE EVENING.  
MIXING HEIGHT (M)...671-1128 METERS AGL DECREASING TO 366-488  
METERS AGL EARLY IN THE EVENING.  
TRANSPORT WINDS.....SOUTHEAST 10 TO 13 MPH.  
TRANSPORT WINDS M/S.SOUTHEAST 4 TO 6 METERS/SECOND.  
DISPERSION INDEX....35 DECREASING TO 16.  
LVORI...............4.  
STABILITY CLASS.....4.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........86 87 85 80 78 78 79 79 80 82 83 86  
WEATHER COV.....CHC CHC CHC CHC CHC CHC CHC LKY LKY LKY LKY LKY  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........CHC CHC CHC CHC CHC CHC CHC LKY LKY LKY LKY LKY  
CHC OF PCPN (%).40 50 50 50 50 50 50 60 60 60 60 60  
LAL.............3 3 3 3 3 3 3 4 4 4 4 4  
TEMP............84 82 80 77 76 75 75 76 76 76 76 76  
RH..............70 74 79 87 90 90 90 87 87 87 87 87  
20 FT WIND DIR..SE SE SE SE SE SE E E E E E E  
20 FT WIND SPD..8 8 8 8 8 8 8 8 8 8 8 9  
20 FT WIND GUST.15 15 15 15 15 15 15 15 15 15 15 15  
MIX HGT (KFT)...3.7 2.2 1.5 1.5 1.5 1.5 1.5 1.6 1.5 1.3 1.2 1.3  
MIX HGT (KM)....1.1 0.7 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.4 0.4 0.4  
TRANSP WIND DIR.SE SE SE SE SE SE SE SE SE SE SE E  
TRANSP WIND SPD.13 13 12 12 10 12 12 13 13 12 12 13  
TRANS WIND DIR..SE SE SE SE SE SE SE SE SE SE SE E  
TRANS SPD (M/S).6 6 5 5 4 5 5 6 6 5 5 6  
DISPERSION IDX..35 17 15 14 14 14 14 15 15 16 16 17  
LVORI...........3 3 4 4 4 4 5 4 4 5 4 4  
   
TUESDAY
 
 
SKY/WEATHER.........CLOUDY (90-100 PERCENT). SHOWERS AND  
THUNDERSTORMS LIKELY EARLY IN THE MORNING, THEN  
SHOWERS AND THUNDERSTORMS.  
CHANCE OF PCPN......80 PERCENT.  
LAL.................16-25 STRIKES UNTIL 0700, THEN >25 STRIKES.  
MAX TEMPERATURE.....AROUND 81.  
MIN HUMIDITY........74 PERCENT.  
WIND (20 FT)........EAST WINDS 9 TO 12 MPH. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS.  
MIXING HEIGHT.......1200-1700 FT AGL.  
MIXING HEIGHT (M)...366-518 METERS AGL.  
TRANSPORT WINDS.....EAST 15 TO 18 MPH.  
TRANSPORT WINDS M/S.EAST 7 TO 8 METERS/SECOND.  
DISPERSION INDEX....18 INCREASING TO 35.  
LVORI...............4.  
STABILITY CLASS.....3.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........91 94 94 94 94 94 94 94 94 94 94 94  
WEATHER COV.....LKY DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........LKY DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF  
CHC OF PCPN (%).60 80 80 80 80 80 80 80 80 80 80 80  
LAL.............4 5 5 5 5 5 5 5 5 5 5 5  
TEMP............76 76 81 74 75 74 73 73 73 74 75 75  
RH..............87 87 74 93 90 93 97 100 100 97 94 90  
20 FT WIND DIR..E E E E E E E E E E E E  
20 FT WIND SPD..9 9 9 10 10 10 11 11 11 12 12 12  
20 FT WIND GUST.15 15 15 15 15 15 15 15 15 20 20 20  
MIX HGT (KFT)...1.4 1.5 1.6 1.7 1.7 1.6 1.5 1.4 1.3 1.2 1.2 1.2  
MIX HGT (KM)....0.4 0.5 0.5 0.5 0.5 0.5 0.5 0.4 0.4 0.4 0.4 0.4  
TRANSP WIND DIR.E E E E E E E E E E E E  
TRANSP WIND SPD.15 16 17 17 17 17 17 17 17 17 17 18  
TRANS WIND DIR..E E E E E E E E E E E E  
TRANS SPD (M/S).7 7 8 8 8 8 8 8 8 8 8 8  
DISPERSION IDX..18 32 33 34 35 35 35 35 35 36 36 37  
LVORI...........4 4 3 4 4 4 4 4 4 4 4 4  
 

 
FORECASTER...29  
REQUESTED BY...BRETT WILLIAMS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1711265.0/MOB  
.EMAIL BRETT.WILLIAMS.4@US.AF.MIL  
 
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