092  
FNUS74 KMOB 101215  
FWSMOB  
 
SPOT FORECAST FOR EGLIN AFB K-3...US AIR FORCE EGLIN  
NATIONAL WEATHER SERVICE MOBILE AL  
715 AM CDT THU AUG 10 2017  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 CDT ON AUGUST 10.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
NUMEROUS SHOWERS AND STORMS ARE EXPECTED FOR MOST OF  
THE AREA EACH DAY THROUGH SATURDAY WHILE AFTERNOON RELATIVE  
HUMIDITY VALUES REMAIN WELL ABOVE CRITICAL LEVELS. THE STRONGER  
STORMS WILL PRODUCE GUSTY WINDS, FREQUENT LIGHTNING AND HEAVY  
DOWNPOURS. FAIR DISPERSION VALUES ARE EXPECTED EACH DAY THROUGH  
SATURDAY.  
 
FOG POTENTIAL AND OTHER REMARKS...PATCHY FOG DEVELOPMENT IS LIKELY  
THE NEXT FEW NIGHTS WITH VISIBILITIES DOWN TO AROUND ONE MILE.  
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF  
SHOWERS AND THUNDERSTORMS.  
CHANCE OF PCPN......50 PERCENT.  
LAL.................9-15 STRIKES.  
MAX TEMPERATURE.....AROUND 89.  
MIN HUMIDITY........66 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 6 MPH LATE  
IN THE MORNING. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS.  
MIXING HEIGHT.......1800-3500 FT AGL INCREASING TO 3900-4600 FT AGL  
LATE IN THE MORNING.  
MIXING HEIGHT (M)...549-1067 METERS AGL INCREASING TO 1189-1402  
METERS AGL LATE IN THE MORNING.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 7 MPH.  
TRANSPORT WINDS M/S.SOUTHWEST 2 TO 3 METERS/SECOND.  
DISPERSION INDEX....16 INCREASING TO 22 LATE IN THE AFTERNOON.  
LVORI...............4.  
STABILITY CLASS.....2.  
 
TIME (CDT) 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........77 79 81 82 84  
WEATHER COV.....CHANCE CHANCE CHANCE CHANCE CHANCE  
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR  
TSTM COV........CHANCE CHANCE CHANCE CHANCE CHANCE  
CHC OF PCPN (%).40 40 40 50 50  
LAL.............3 3 3 3 3  
TEMP............80 86 89 88 86  
RH..............85 72 66 68 72  
20 FT WIND DIR..E SE S S SW  
20 FT WIND SPD..3 4 5 6 5  
20 FT WIND GUST.5 5 10 10 10  
MIX HGT (FT)....1800 3500 4300 4400 4100  
MIX HGT (M).....550 1070 1310 1340 1250  
TRANSP WIND DIR.E SE S S SW  
TRANSP WIND SPD.5 5 6 7 7  
TRANS WIND DIR..E SE S S SW  
TRANS SPD (M/S).2 2 3 3 3  
DISPERSION IDX..11 15 15 18 20  
LVORI...........4 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)........WEST WINDS AROUND 5 MPH EARLY IN THE EVENING  
BECOMING LIGHT. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS.  
MIXING HEIGHT.......4100 FT AGL DECREASING TO 300-1900 FT AGL.  
MIXING HEIGHT (M)...1250 METERS AGL DECREASING TO 91-579 METERS  
AGL.  
TRANSPORT WINDS.....NORTH 2 TO 8 MPH.  
TRANSPORT WINDS M/S.NORTH 1 TO 4 METERS/SECOND.  
DISPERSION INDEX....24 DECREASING TO 4.  
LVORI...............6.  
STABILITY CLASS.....4.  
 
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........85 85 83 81 80 80  
WEATHER COV.....CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE  
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR  
TSTM COV........CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE  
CHC OF PCPN (%).50 30 30 30 30 30  
LAL.............3 3 3 3 3 3  
TEMP............83 80 78 77 76 74  
RH..............80 88 94 94 97 100  
20 FT WIND DIR..W W NW N NE E  
20 FT WIND SPD..5 4 3 1 1 1  
20 FT WIND GUST.10 5 5  
MIX HGT (FT)....4100 900 900 700 500 300  
MIX HGT (M).....1250 270 270 210 150 90  
TRANSP WIND DIR.W W NW N N NW  
TRANSP WIND SPD.8 8 6 3 2 3  
TRANS WIND DIR..W W NW N N NW  
TRANS SPD (M/S).4 4 3 1 1 1  
DISPERSION IDX..24 5 3 2 1 1  
LVORI...........3 5 6 7 9 9  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF  
SHOWERS AND THUNDERSTORMS.  
CHANCE OF PCPN......50 PERCENT.  
LAL.................9-15 STRIKES.  
MAX TEMPERATURE.....AROUND 89.  
MIN HUMIDITY........64 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 6 MPH LATE IN  
THE MORNING. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS.  
MIXING HEIGHT.......500-1600 FT AGL INCREASING TO 4600-5300 FT AGL.  
MIXING HEIGHT (M)...152-488 METERS AGL INCREASING TO 1402-1615  
METERS AGL.  
TRANSPORT WINDS.....NORTH AROUND 2 MPH SHIFTING TO THE WEST 3 TO 8  
MPH IN THE LATE MORNING AND AFTERNOON.  
TRANSPORT WINDS M/S.NORTH AROUND 1 METERS/SECOND SHIFTING TO THE  
WEST 1 TO 4 METERS/SECOND IN THE LATE MORNING  
AND AFTERNOON.  
LVORI...............6.  
STABILITY CLASS.....2.  
 
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........79 78 76 74 72 70  
WEATHER COV.....CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE  
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR  
TSTM COV........CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE  
CHC OF PCPN (%).30 30 30 30 50 50  
LAL.............3 3 3 3 3 3  
TEMP............74 78 84 87 89 88  
RH..............100 91 74 68 64 66  
20 FT WIND DIR..S S SW SW W W  
20 FT WIND SPD..1 2 4 5 6 6  
20 FT WIND GUST. 5 5 10 10 10  
MIX HGT (FT)....500 1600 3800 4800 5000 4600  
MIX HGT (M).....150 490 1160 1460 1520 1400  
TRANSP WIND DIR.N N W W SW W  
TRANSP WIND SPD.2 2 5 6 7 8  
TRANS WIND DIR..N N W W SW W  
TRANS SPD (M/S).1 1 2 3 3 4  
LVORI...........9 5 3 3 2 2  
 

 
FORECASTER...13  
REQUESTED BY...THOMAS HARRISON  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1714144.0/MOB  
.EMAIL THOMAS.HARRISON.22@US.AF.MIL  
 
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