875  
FNUS74 KTSA 080115  
FWSTSA  
 
SPOT FORECAST FOR DECATOR SAR...NATIONAL PARK SERVICE  
NATIONAL WEATHER SERVICE TULSA OK  
815 PM CDT FRI JUL 7 2017  
 
FORECAST IS BASED ON INCIDENT TIME OF 2100 CDT ON JULY 07.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT NWS TULSA AT (918)838-7838, IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
 
AN ISOLATED SHOWER OR THUNDERSTORM REMAINS POSSIBLE THROUGH ABOUT  
10 PM, THOUGH MORE SIGNIFICANT THREAT WILL ARRIVE VERY LATE  
TONIGHT INTO EARLY SATURDAY MORNING. A SLIGHT DOWNWARD TREND IN  
MAX TEMPERATURES IS EXPECTED SATURDAY.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (60-70 PERCENT). CHANCE OF  
SHOWERS AND THUNDERSTORMS.  
CHANCE OF PCPN......40 PERCENT.  
MIN TEMPERATURE.....AROUND 69.  
MAX HUMIDITY........97 PERCENT.  
SURFACE WINDS.......LIGHT WINDS.  
 
TIME (CDT) 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........56 60 65 69 73 72 71 70 68  
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 30 30 30 30 30  
TEMP............82 79 78 76 74 73 72 71 70  
RH..............70 76 78 82 87 90 90 93 97  
SURFACE WND DIR.NW N N NE NE NE NE NE NE  
SURFACE WND SPD.3 3 3 3 2 2 2 2 2  
SURFACE WND GST.5 5 5 5 5 5 5 5 5  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE MORNING, THEN SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON.  
CHANCE OF PCPN......30 PERCENT.  
MAX TEMPERATURE.....AROUND 88.  
MIN HUMIDITY........53 PERCENT.  
SURFACE WINDS.......LIGHT WINDS.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........67 66 62 59 55 51 48 44 43 42 42 41  
WEATHER COV.....CHC CHC CHC CHC CHC CHC CHC SCH SCH SCH SCH SCH  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........CHC CHC CHC CHC CHC CHC CHC SCH SCH SCH SCH SCH  
CHC OF PCPN (%).30 30 30 30 30 30 30 20 20 20 20 20  
TEMP............69 69 71 75 78 80 83 85 86 87 88 88  
RH..............100 97 90 79 71 67 61 57 55 53 54 54  
SURFACE WND DIR.E E E E E E E E SE SE SE S  
SURFACE WND SPD.2 3 3 3 4 4 5 5 5 4 4 4  
SURFACE WND GST.5 5 5 5 5 10 10 10 10 10 5 5  
 

 
FORECASTER...SULLIVAN  
REQUESTED BY...TONY COLLINS  
TYPE OF REQUEST...SAR  
.TAG 1712336.0/TSA  
.EMAIL TONY_COLLINS@NPS.GOV  
 
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