692  
FNAK79 PAFG 190345  
FWSAFG  
 
SPOT FORECAST FOR CHALKYITSIK COMPLEX...BLM  
NATIONAL WEATHER SERVICE FAIRBANKS AK  
745 PM AKDT THU JUL 18 2019  
 
FORECAST IS BASED ON FORECAST START TIME OF 0000 AKDT ON JULY 19.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
A THERMAL LOW PRESSURE TROUGH OVER THE FIRE WILL MOVE JUST NORTHEAST OF  
THE FIRE ON FRI. THIS WILL CAUSE ISOLATED THUNDERSTORMS NEAR THE FIRE  
THIS EVENING AND AGAIN FRI LATE AFTERNOON AND EVENING. WINDS WILL REMAIN  
SOUTHWEST 5 TO 10 MPH THROUGH FRI, WITH GUSTS TO 20 MPH IN THE AFTERNOON  
AND EVENING. WINDS COULD VARY IN DIRECTION IN THE AFTERNOON AND EVENING  
AS THUNDERSTORMS FOR AROUND THE FIRE.  
 
A COLD FRONT WILL APPROACH FROM THE WEST LATE SATURDAY BRINGING RAIN,  
WEST WINDS, AND COOLER TEMPERATURES.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (65 PERCENT) WITH AREAS OF SMOKE.  
ISOLATED THUNDERSTORMS IN THE EVENING.  
CWR.................10 PERCENT.  
LAL.................2.  
MIN TEMPERATURE.....AROUND 50.  
MAX HUMIDITY........80 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 5 TO 8 MPH WITH GUSTS TO 18 MPH.  
GUSTS TO 25 MPH AND FROM VARIABLE DIRECTIONS NEAR THUNDERSTORMS IN THE EVENING.  
RIDGETOP WIND.......WEST 8 MPH.  
 
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (35 PERCENT). AREAS OF SMOKE.  
ISOLATED THUNDERSTORMS IN THE LATE AFTERNOON.  
CWR.................10 PERCENT.  
LAL.................2.  
MAX TEMPERATURE.....AROUND 79.  
MIN HUMIDITY........33 PERCENT.  
WIND (20 FT)........WEST WINDS 5 MPH, INCREASING TO 10 MPH WITH GUSTS TO 20 MPH  
IN THE AFTERNOON. GUSTS TO 25 MPH AND FROM VARIABLE DIRECTIONS NEAR  
THUNDERSTORMS IN THE AFTERNOON.  
RIDGETOP WIND.......WEST 12 MPH.  
   
FRIDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (55 PERCENT). AREAS OF SMOKE.  
ISOLATED THUNDERSTORMS IN THE EARLY EVENING  
CWR.................10 PERCENT.  
LAL.................2.  
MIN TEMPERATURE.....AROUND 54.  
MAX HUMIDITY........74 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 10 MPH DECREASING TO 5 MPH AFTER MIDNIGHT.  
GUSTS TO 25 MPH AND FROM VARIABLE DIRECTIONS NEAR THUNDERSTORMS IN THE EVENING.  
RIDGETOP WIND.......SOUTHWEST 10 MPH.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70 PERCENT). AREAS OF SMOKE.  
SLIGHT CHANCE OF RAIN IN THE AFTERNOON.  
CWR.................20 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 71.  
MIN HUMIDITY........40 PERCENT.  
WIND (20 FT)........WEST WINDS 15 MPH. GUSTS 20 MPH IN THE AFTERNOON.  
RIDGETOP WIND.......WEST 15 MPH.  
 

 
FORECASTER...BRADER  
REQUESTED BY...TRAVIS HOWELL  
TYPE OF REQUEST...WILDFIRE  
.TAG 1912090.21/AFG  
.DELDT 07/19/19  
.FORMATTERVERSION 1.0.26  
 
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