600  
FNUS76 KHNX 180135  
FWSHNX  
 
SPOT FORECAST FOR YNP-RED...NATIONAL PARK SERVICE  
NATIONAL WEATHER SERVICE HANFORD CA  
635 PM PDT WED AUG 17 2022  
 
FORECAST IS BASED ON FORECAST START TIME OF 0600 PDT ON AUGUST 18.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
WELL ABOVE NORMAL AFTERNOON HIGH TEMPERATURES CAN BE EXPECTED THROUGH  
SATURDAY DUE TO HIGH PRESSURE ALOFT. A SLIGHT COOLING TREND WILL TAKE  
PLACE ON SUNDAY AS THE HIGH BEGINS TO WEAKEN. SOME MID LEVEL MOISTURE  
WILL PROVIDE FOR PRECIPITATION CHANCES ACROSS OUR AREA THROUGH THIS  
EVENING. AFTERNOON CONVECTION WILL BE POSSIBLE OVER THE HIGHER SIERRA  
NEVADA JUST EAST OF THE BURN SITE THROUGH SATRUDAY.  
 
   
THURSDAY
 
 
SKY/WEATHER.........SUNNY, THEN BECOMING PARTLY SUNNY. SLIGHT  
CHANCE OF SHOWERS IN THE AFTERNOON.  
MAX TEMPERATURE.....AT 0600 PDT 59-61...MAX 74-76.  
MIN HUMIDITY........AT 0600 PDT 35-37 PERCENT...MIN 20-22 PERCENT.  
EYE LEVEL WINDS.....LIGHT AND VARIABLE WINDS 1-3 MPH IN THE MORNING,  
BECOMING SOUTHWEST 3-6 MPH AFTER 1100 PDT. ERRATIC  
WINDS POSSIBLE NEAR THUNDERSTORMS.  
SURROUNDING RIDGE...NORTHWEST TO NORTH 5-8 MPH.  
MIXING HEIGHT.......AROUND 700 FT AGL AT 0600 PDT...RISING TO AROUND  
8000 FT AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....NORTHWEST AROUND 6 MPH.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY WITH A SLIGHT CHANCE OF EARLY  
EVENING SHOWERS AND THUNDERSTORMS.  
MIN TEMPERATURE.....58-60.  
MAX HUMIDITY........36-38 PERCENT.  
EYE LEVEL WINDS.....WEST 2-4 MPH IN THE EVENING, BECOMING LIGHT  
AND VARIABLE 1-3 MPH OVERNIGHT.  
SURROUNDING RIDGE...NORTHWEST 4-8 MPH.  
MIXING HEIGHT.......LOWERING TO NEAR 600 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 5 MPH.  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY. BECOMING PARTLY CLOUDY WITH A SLIGHT CHANCE  
OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
MAX TEMPERATURE.....72-74.  
MIN HUMIDITY........22-24 PERCENT.  
EYE LEVEL WINDS.....EAST WINDS 2-4 MPH SHIFTING TO THE WEST AT 4-8 MPH  
IN THE AFTERNOON.  
SURROUNDING RIDGE...NORTHWEST 6-10 MPH.  
MIXING HEIGHT.......RISING TO AROUND 7500 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 7 MPH.  
 
FORECASTER...MOLINA  
 

 
 
REQUESTED BY...JENN ANDERSON  
TYPE OF REQUEST...WILDFIRE  
.TAG 2216876.0/HNX  
.DELDT 08/18/22  
.FORMATTERVERSION 2.0.0  
.EMAIL JENNIFER_R_ANDERSON@NPS.GOV  
 
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