191  
FNUS72 KTBW 171206  
FWSTBW  
 
SPOT FORECAST FOR MR-10B RX...FLORIDA PARK SERVICE  
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL  
806 AM EDT WED JUN 17 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON JUNE 17.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE AT (813) 645-2323 IF YOU HAVE QUESTIONS OR  
CONCERNS WITH THIS FORECAST.  
   
DISCUSSION  
 
RELATIVELY DRIER AIR IN PLACE TODAY KEEPING RAIN CHANCES LOW AT  
THE SITE. MINIMUM HUMIDITY VALUES REMAIN WELL ABOVE CRITICAL LEVELS  
THROUGH THE PERIOD. BREEZY SOUTH TO SOUTHWESTERLY WINDS WILL  
HIGH DISPERSIONS TODAY. MOISTURE WILL INCREASE ON THURSDAY, WHICH  
WILL INCREASE RAIN CHANCES.  
   
TODAY  
 
SKY/WEATHER.........SUNNY (20-30 PERCENT).  
CHANCE OF PCPN......10 PERCENT.  
MAX TEMPERATURE.....AROUND 95.  
MIN HUMIDITY........54 PERCENT.  
WIND (20 FT)........SOUTH WINDS 8 TO 15 MPH.  
MIXING HEIGHT.......5100 FT AGL.  
TRANSPORT WINDS.....SOUTH 13 TO 16 MPH.  
DISPERSION INDEX....29 INCREASING TO 61.  
LVORI...............2.  
 
TIME (EDT) 9 AM 11 AM 1 PM 3 PM 5 PM  
SKY (%).........23 22 18 30 24  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).0 0 0 10 10  
TEMP............85 90 93 93 92  
RH..............77 62 56 55 57  
20 FT WIND......S 8 S 10 SW 14 SW 15 SW 14  
20 FT WIND GUST.13 16 21 22 20  
MIX HGT (FT)....2600 4100 4800 4500 4100  
TRANSPORT WIND..S 13 S 14 S 15 S 16 SW 15  
DISPERSION IDX..29 60 65 63 56  
LVORI...........2 1 1 1 1  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).  
CHANCE OF PCPN......10 PERCENT.  
MIN TEMPERATURE.....AROUND 79.  
MAX HUMIDITY........90 PERCENT.  
WIND (20 FT)........SOUTH WINDS 5 TO 13 MPH SHIFTING TO THE  
SOUTHEAST AROUND 5 MPH EARLY IN THE MORNING.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....SOUTH 7 TO 14 MPH.  
DISPERSION INDEX....40 DECREASING TO 4.  
LVORI...............4.  
 
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........27 36 30 32 38 43  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).10 10 0 0 0 0  
TEMP............92 87 83 82 80 79  
RH..............58 68 77 82 87 89  
20 FT WIND......SW 13 SW 8 SW 5 S 5 S 5 S 5  
20 FT WIND GUST.17 13 9 8 9 9  
MIX HGT (FT)....3800 1500 500 500 400 400  
TRANSPORT WIND..SW 14 SW 8 S 7 S 7 S 7 S 8  
DISPERSION IDX..40 6 1 3 3 3  
LVORI...........1 3 4 5 6 6  
   
THURSDAY  
 
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). SLIGHT CHANCE OF  
SHOWERS LATE IN THE MORNING. SLIGHT CHANCE OF  
THUNDERSTORMS LATE IN THE MORNING, THEN CHANCE  
OF SHOWERS AND THUNDERSTORMS EARLY IN THE  
AFTERNOON.  
CHANCE OF PCPN......30 PERCENT.  
MAX TEMPERATURE.....AROUND 95.  
MIN HUMIDITY........54 PERCENT.  
WIND (20 FT)........SOUTH WINDS 6 TO 14 MPH SHIFTING TO THE  
SOUTHWEST AROUND 14 MPH LATE IN THE AFTERNOON.  
GUSTY AND ERRATIC WINDS EXPECTED NEAR  
THUNDERSTORMS LATE IN THE MORNING.  
MIXING HEIGHT.......4700 FT AGL.  
TRANSPORT WINDS.....SOUTH 7 TO 14 MPH.  
DISPERSION INDEX....6 INCREASING TO 54.  
LVORI...............4.  
 
TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........35 21 32 36 39 14  
WEATHER COV..... S CHC CHANCE  
WEATHER TYPE....NONE NONE RNSHWR RNSHWR NONE NONE  
TSTM COV........ CHANCE  
CHC OF PCPN (%).0 10 20 30 20 10  
TEMP............79 82 88 92 93 94  
RH..............89 85 70 59 56 55  
20 FT WIND......SE 6 SE 7 S 9 S 13 S 14 SW 14  
20 FT WIND GUST.9 12 15 18 21 21  
MIX HGT (FT)....400 800 3100 4600 4600 4400  
TRANSPORT WIND..S 7 S 9 S 12 S 13 S 14 S 14  
DISPERSION IDX..3 9 39 56 54 56  
LVORI...........6 4 3 1 1 1  
 
 
FORECASTER...DELERME  
REQUESTED BY...JON MEYER  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2615691.0/TBW  
.DELDT 06/17/26  
.FORMATTERVERSION 2.0.0  
.EMAIL JONATHAN.C.MEYER@FLORIDADEP.GOV,STEPHEN.GIGUERE@FLORIDADEP.GOV  
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