639  
FNUS74 KMOB 221341  
FWSMOB  
 
SPOT FORECAST FOR EGLIN RX H-9...USAF  
NATIONAL WEATHER SERVICE MOBILE AL  
841 AM CDT MON JUL 22 2019  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 CDT ON JULY 22.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
SCATTERED TO NUMEROUS SHOWERS AND STORMS DEVELOP AGAIN TODAY. A  
FEW OF THE STORMS COULD BE STRONG, PRODUCING BRIEF STRONG, VARIABLE WIND GUSTS  
AND FREQUENT LIGHTNING. FAIR TO GOOD DISPERSION. AN APPROACHING COLD FRONT DROPS  
SOUTHWARD OVER THE AREA TOMORROW BRINGING WIND SHIFT WITH ITS PASSAGE. CHANCES OF  
SHOWERS AND STORMS HIGHER TOMORROW.  
 
FOG POTENTIAL AND OTHER REMARKS...PATCHY LATE NIGHT FOG MAY REDUCE  
VISIBILITIES TO 3 TO 5 MILES AT TIMES.  
   
REST OF TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT). CHANCE OF SHOWERS  
AND THUNDERSTORMS.  
CHANCE OF PCPN......50 PERCENT.  
LAL.................9-15 STRIKES.  
MAX TEMPERATURE.....AROUND 88.  
MIN HUMIDITY........63 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 9 MPH IN THE  
LATE MORNING AND AFTERNOON. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS.  
MIXING HEIGHT.......4800 FT AGL.  
MIXING HEIGHT (M)...823-1463 METERS AGL.  
TRANSPORT WINDS.....SOUTHWEST 7 TO 16 MPH.  
TRANSPORT WINDS M/S.SOUTHWEST 3 TO 7 METERS/SECOND.  
DISPERSION INDEX....25 INCREASING TO 47.  
LVORI...............3.  
STABILITY CLASS.....2.  
 
TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........54 54 55 55 55 54 52 51 49  
WEATHER COV.....CHC CHC CHC CHC CHC CHC CHC CHC CHC  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW  
TSTM COV........CHC CHC CHC CHC CHC CHC CHC CHC CHC  
CHC OF PCPN (%).40 40 40 40 50 50 50 50 50  
LAL.............3 3 3 3 3 3 3 3 3  
TEMP............83 85 86 87 87 88 87 86 85  
RH..............74 70 68 65 65 63 65 68 70  
20 FT WIND DIR..S S S S S S S SSW SSW  
20 FT WIND SPD..4 5 6 6 7 8 8 8 8  
20 FT WIND GUST.5 6 7 10 10 11 12 12 12  
MIX HGT (KFT)...2.7 3.7 4.1 4.4 4.8 4.6 4.4 4.2 4.2  
MIX HGT (KM)....0.8 1.1 1.2 1.3 1.5 1.4 1.3 1.3 1.3  
TRANSP WIND DIR.SSW SSW SSW SSW SSW SSW SSW SSW SSW  
TRANSP WIND SPD.7 9 10 10 12 13 14 15 16  
TRANS WIND DIR..SSW SSW SSW SSW SSW SSW SSW SSW SSW  
TRANS SPD (M/S).3 4 4 4 5 6 6 7 7  
DISPERSION IDX..21 25 27 28 32 34 38 44 50  
LVORI...........3 3 3 3 2 2 2 2 2  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (50-60 PERCENT). CHANCE OF  
SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING,  
THEN SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE EVENING. CHANCE OF SHOWERS AND  
THUNDERSTORMS OVERNIGHT.  
CHANCE OF PCPN......50 PERCENT.  
LAL.................9-15 STRIKES UNTIL 1900, THEN 1-8 STRIKES UNTIL  
0100, THEN 9-15 STRIKES.  
MIN TEMPERATURE.....AROUND 76.  
MAX HUMIDITY........94 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 6 TO 9 MPH EARLY IN THE EVENING  
BECOMING LIGHT. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS.  
MIXING HEIGHT.......700 FT AGL.  
MIXING HEIGHT (M)...213-1280 METERS AGL.  
TRANSPORT WINDS.....SOUTHWEST 12 TO 16 MPH.  
TRANSPORT WINDS M/S.SOUTHWEST 5 TO 7 METERS/SECOND.  
DISPERSION INDEX....52 DECREASING TO 11.  
LVORI...............5.  
STABILITY CLASS.....4.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........48 46 47 47 48 49 49 50 52 54 56 58  
WEATHER COV.....CHC SCH SCH SCH SCH SCH SCH CHC CHC CHC CHC CHC  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........CHC SCH SCH SCH SCH SCH SCH CHC CHC CHC CHC CHC  
CHC OF PCPN (%).50 20 20 20 20 20 20 30 30 30 30 30  
LAL.............3 2 2 2 2 2 2 3 3 3 3 3  
TEMP............85 83 81 80 80 79 79 77 78 77 76 76  
RH..............70 74 79 82 82 85 85 90 88 87 90 94  
20 FT WIND DIR..SSW SSW SSW SSW SSW SSW SSW SW SW SW SW SW  
20 FT WIND SPD..8 7 6 6 4 4 4 4 4 4 4 4  
20 FT WIND GUST.11 11 10 7 6 6 6 6 6 6 6 6  
MIX HGT (KFT)...4.2 2.6 1.0 1.0 1.0 0.9 0.8 0.7 0.8 0.8 0.9 0.9  
MIX HGT (KM)....1.3 0.8 0.3 0.3 0.3 0.3 0.2 0.2 0.2 0.2 0.3 0.3  
TRANSP WIND DIR.SW SW SW SW SW SW SW SW SW SW SW SW  
TRANSP WIND SPD.16 16 16 15 14 13 13 12 12 12 12 12  
TRANS WIND DIR..SW SW SW SW SW SW SW SW SW SW SW SW  
TRANS SPD (M/S).7 7 7 7 6 6 6 5 5 5 5 5  
DISPERSION IDX..52 21 16 15 13 12 11 10 10 10 10 10  
LVORI...........3 3 3 4 4 4 4 5 5 5 5 6  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF  
SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING,  
THEN SHOWERS AND THUNDERSTORMS.  
CHANCE OF PCPN......80 PERCENT.  
LAL.................9-15 STRIKES UNTIL 0700, THEN >25 STRIKES.  
MAX TEMPERATURE.....AROUND 87.  
MIN HUMIDITY........68 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 7 MPH EARLY  
IN THE MORNING. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS.  
MIXING HEIGHT.......3600 FT AGL.  
MIXING HEIGHT (M)...305-1097 METERS AGL.  
TRANSPORT WINDS.....WEST 12 TO 16 MPH.  
TRANSPORT WINDS M/S.WEST 5 TO 7 METERS/SECOND.  
DISPERSION INDEX....15 INCREASING TO 28 EARLY IN THE MORNING, THEN  
INCREASING TO 32 IN THE LATE MORNING AND  
AFTERNOON DECREASING TO 24 LATE IN THE  
AFTERNOON.  
LVORI...............4.  
STABILITY CLASS.....3.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........60 62 65 71 76 81 87 92 92 92 93 93  
WEATHER COV.....CHC 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........CHC DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF  
CHC OF PCPN (%).30 80 80 80 80 80 80 80 80 80 80 80  
LAL.............3 5 5 5 5 5 5 5 5 5 5 5  
TEMP............77 77 80 84 86 87 87 86 85 85 85 83  
RH..............90 90 85 74 70 68 68 70 72 72 72 77  
20 FT WIND DIR..SW WSW WSW SW SW SW SW SW SW WSW WSW WSW  
20 FT WIND SPD..4 4 5 6 6 6 6 6 6 6 6 6  
20 FT WIND GUST.6 6 6 7 8 8 10 10 10 10 10 8  
MIX HGT (KFT)...1.0 1.0 1.9 2.7 3.6 3.3 3.0 2.7 2.8 2.8 2.8 2.8  
MIX HGT (KM)....0.3 0.3 0.6 0.8 1.1 1.0 0.9 0.8 0.9 0.9 0.9 0.9  
TRANSP WIND DIR.SW SW SW WSW WSW WSW WSW SW WSW W W W  
TRANSP WIND SPD.12 12 13 14 15 16 16 16 16 15 14 12  
TRANS WIND DIR..SW SW SW WSW WSW WSW WSW SW WSW W W W  
TRANS SPD (M/S).5 5 6 6 7 7 7 7 7 7 6 5  
DISPERSION IDX..10 19 25 30 35 36 36 36 34 31 27 24  
LVORI...........5 4 3 3 3 3 3 3 3 3 3 3  
 

 
FORECASTER...23  
REQUESTED BY...BRETT WILLIAMS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1912541.0/MOB  
.DELDT 07/22/19  
.FORMATTERVERSION 1.0.23  
.EMAIL BRETT.WILLIAMS.4@US.AF.MIL  
 
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