125  
FNUS74 KMOB 241148  
FWSMOB  
 
SPOT FORECAST FOR RAIN MAN E-37...EGLIN AFB WSM  
NATIONAL WEATHER SERVICE MOBILE AL  
648 AM CDT SAT JUN 24 2017  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 CDT ON JUNE 24.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
AN APPROACHING FRONTAL BOUNDARY WILL BRING SCATTERED  
TO NUMEROUS SHOWERS AND THUNDERSTORMS TO THE AREA THROUGH THE  
WEEKEND. LOCALLY HEAVY RAINFALL, BRIEF GUSTY AND ERRATIC WINDS AND  
FREQUENT LIGHTNING WILL ACCOMPANY THE STRONGEST STORMS. FAIR TO  
GENERALLY GOOD DISPERSIONS ARE EXPECTED THROUGH THE WEEKEND.  
 
FOG POTENTIAL AND OTHER REMARKS...PATCHY LIGHT FOG POSSIBLE  
DURING THE LATE NIGHT AND EARLY MORNING HOURS.  
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING,  
THEN SHOWERS AND THUNDERSTORMS LIKELY LATE IN  
THE MORNING. CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
CHANCE OF PCPN......60 PERCENT.  
LAL.................1-8 STRIKES UNTIL 1000, THEN 16-25 STRIKES  
UNTIL 1300, THEN 9-15 STRIKES.  
MAX TEMPERATURE.....AROUND 87.  
MIN HUMIDITY........70 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 5 TO 9 MPH. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS.  
MIXING HEIGHT.......1700-3600 FT AGL.  
MIXING HEIGHT (M)...518-1097 METERS AGL.  
TRANSPORT WINDS.....SOUTHWEST 14 TO 15 MPH.  
TRANSPORT WINDS M/S.SOUTHWEST 6 TO 7 METERS/SECOND.  
DISPERSION INDEX....31.  
LVORI...............4.  
STABILITY CLASS.....3.  
 
TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........81 80 77 76 76 75 75 75 75 75 77  
WEATHER COV.....SCH SCH SCH LKY LKY LKY CHC CHC CHC CHC CHC  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........SCH SCH SCH LKY LKY LKY CHC CHC CHC CHC CHC  
CHC OF PCPN (%).20 20 20 60 60 60 50 50 50 50 50  
LAL.............2 2 2 4 4 4 3 3 3 3 3  
TEMP............76 78 80 82 84 86 87 87 87 86 85  
RH..............100 94 88 82 77 72 70 70 70 72 75  
20 FT WIND DIR..S SW SW SW SW SW SW SW SW SW SW  
20 FT WIND SPD..5 6 7 8 9 9 9 9 9 9 9  
20 FT WIND GUST.10 10 10 15 15 15 15 15 15 15 15  
MIX HGT (KFT)...1.7 2.1 2.4 2.8 3.1 3.4 3.6 3.4 3.2 3.0 3.0  
MIX HGT (KM)....0.5 0.6 0.7 0.9 0.9 1.0 1.1 1.0 1.0 0.9 0.9  
TRANSP WIND DIR.SW SW SW W W W W W W SW SW  
TRANSP WIND SPD.14 15 15 15 15 14 14 14 14 14 14  
TRANS WIND DIR..SW SW SW W W W W W W SW SW  
TRANS SPD (M/S).6 7 7 7 7 6 6 6 6 6 6  
DISPERSION IDX..27 30 32 35 34 33 32 33 35 35 34  
LVORI...........4 4 4 3 3 3 3 3 3 3 3  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF  
SHOWERS AND THUNDERSTORMS.  
CHANCE OF PCPN......50 PERCENT.  
LAL.................9-15 STRIKES.  
MIN TEMPERATURE.....AROUND 74.  
MAX HUMIDITY........100 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 5 TO 8 MPH EARLY IN THE EVENING  
BECOMING LIGHT. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS.  
MIXING HEIGHT.......1100-3000 FT AGL DECREASING TO 600-1000 FT AGL  
AFTER MIDNIGHT.  
MIXING HEIGHT (M)...335-914 METERS AGL DECREASING TO 183-305 METERS  
AGL AFTER MIDNIGHT.  
TRANSPORT WINDS.....NORTHWEST 6 TO 13 MPH.  
TRANSPORT WINDS M/S.NORTHWEST 3 TO 6 METERS/SECOND.  
DISPERSION INDEX....33 DECREASING TO 8.  
LVORI...............6.  
STABILITY CLASS.....4.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........79 81 81 81 81 80 76 74 75 77 77 79  
WEATHER COV.....CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC  
CHC OF PCPN (%).50 30 30 30 30 30 30 30 30 30 30 30  
LAL.............3 3 3 3 3 3 3 3 3 3 3 3  
TEMP............83 82 80 79 78 78 77 77 76 75 74 74  
RH..............80 82 85 88 91 91 94 94 97 100 100 100  
20 FT WIND DIR..SW SW SW SW SW SW W W NW NW N N  
20 FT WIND SPD..8 7 6 5 4 4 4 4 4 4 4 4  
20 FT WIND GUST.15 10 10 10 5 5 5 5 5 5 5 5  
MIX HGT (KFT)...3.0 1.8 1.1 1.1 1.1 1.1 1.1 1.0 0.9 0.8 0.6 0.8  
MIX HGT (KM)....0.9 0.5 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.2 0.2 0.2  
TRANSP WIND DIR.SW SW SW SW SW W W W W W W NW  
TRANSP WIND SPD.13 13 12 10 9 9 8 8 7 6 6 6  
TRANS WIND DIR..SW SW SW SW SW W W W W W W NW  
TRANS SPD (M/S).6 6 5 4 4 4 4 4 3 3 3 3  
DISPERSION IDX..33 11 10 9 8 7 6 6 6 5 5 5  
LVORI...........3 4 4 5 5 6 7 7 8 8 8 8  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF  
SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING,  
THEN SHOWERS AND THUNDERSTORMS LIKELY.  
CHANCE OF PCPN......60 PERCENT.  
LAL.................9-15 STRIKES UNTIL 0700, THEN 16-25 STRIKES.  
MAX TEMPERATURE.....AROUND 86.  
MIN HUMIDITY........63 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST AROUND 5 MPH IN  
THE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS.  
MIXING HEIGHT.......900-2400 FT AGL INCREASING TO 3000-4900 FT AGL  
IN THE LATE MORNING AND AFTERNOON.  
MIXING HEIGHT (M)...274-732 METERS AGL INCREASING TO 914-1494  
METERS AGL IN THE LATE MORNING AND AFTERNOON.  
TRANSPORT WINDS.....NORTH 7 TO 10 MPH.  
TRANSPORT WINDS M/S.NORTH 3 TO 4 METERS/SECOND.  
DISPERSION INDEX....10 INCREASING TO 20 IN THE LATE MORNING AND  
AFTERNOON.  
LVORI...............5.  
STABILITY CLASS.....3.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........81 81 81 80 80 80 79 79 80 81 81 82  
WEATHER COV.....CHC LKY LKY LKY LKY LKY LKY LKY LKY LKY LKY LKY  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........CHC LKY LKY LKY LKY LKY LKY LKY LKY LKY LKY LKY  
CHC OF PCPN (%).30 60 60 60 60 60 60 60 60 60 60 60  
LAL.............3 4 4 4 4 4 4 4 4 4 4 4  
TEMP............74 76 78 80 82 83 84 85 85 86 86 85  
RH..............100 94 88 82 77 74 72 70 67 65 63 63  
20 FT WIND DIR..N N N N N NW W SW W NW NW N  
20 FT WIND SPD..4 4 4 4 4 4 5 5 5 5 5 5  
20 FT WIND GUST.5 5 5 5 5 5 10 10 10 10 10 10  
MIX HGT (KFT)...0.9 1.1 1.7 2.4 3.0 3.5 4.0 4.5 4.6 4.8 4.9 4.9  
MIX HGT (KM)....0.3 0.3 0.5 0.7 0.9 1.1 1.2 1.4 1.4 1.5 1.5 1.5  
TRANSP WIND DIR.N N N N N N N N N N N N  
TRANSP WIND SPD.7 8 8 7 7 7 8 8 8 9 9 10  
TRANS WIND DIR..N N N N N N N N N N N N  
TRANS SPD (M/S).3 4 4 3 3 3 4 4 4 4 4 4  
DISPERSION IDX..5 10 14 15 17 17 19 21 21 22 24 24  
LVORI...........8 6 5 4 3 3 3 3 3 3 2 2  
 

 
FORECASTER...22  
REQUESTED BY...JERRY COON  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1711532.0/MOB  
.EMAIL JERRY.COON@US.AF.MIL  
 
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