647  
FNAK71 PAFC 071513  
FWSAER  
 
SPOT FORECAST FOR JBER SPRING RX 2025...USFWS  
NATIONAL WEATHER SERVICE ANCHORAGE AK  
713 AM AKDT WED MAY 7 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 AKDT ON MAY 07.    
DISCUSSION
 
 
INCREASING CLOUDS ARE EXPECTED TODAY WITH A STRAY SHOWER POSSIBLE  
THIS AFTERNOON. LIGHT SOUTHEASTERLY WINDS AROUND THE AREA THIS  
MORNING WILL GRADUALLY SHIFT MORE SOUTHWESTERLY AS FLOW BECOMES  
MORE PREVALENT UP COOK INLET THIS AFTERNOON. ALTHOUGH WIND SPEEDS  
ARE EXPECTED TO BE AROUND 10 MPH THIS AFTERNOON, THE ADDITION OF A  
SEA BREEZE IN THE LATER AFTERNOON PUSHING ACROSS ANCHORAGE, ALONG  
THE KNIK ARM COULD AFFECT JBER WITH WINDSPEEDS PEAKING AROUND 15 MPH  
POSSIBLE. THE SAME IS TRUE WITH SOUTHWESTERLY WINDS FOR THURSDAY  
AFTERNOON AS WELL. CONFIDENCE IS LOW WITH HOW FAR INLAND FROM THE  
WATER THESE WINDS WILL PUSH.  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). ISOLATED RAIN  
SHOWERS EARLY IN THE MORNING, THEN SCATTERED  
RAIN SHOWERS IN THE AFTERNOON.  
CWR.................0 PERCENT.  
CHANCE OF PCPN......30 PERCENT.  
TSTM COVERAGE.......NONE.  
MAX TEMPERATURE.....AROUND 52.  
MIN HUMIDITY........46-54 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 5 TO 10 MPH.  
MIXING HEIGHT.......4100 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 7 MPH.  
PCPN AMOUNT.........0.00 INCHES.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). SCATTERED RAIN  
SHOWERS.  
CWR.................0 PERCENT.  
CHANCE OF PCPN......30 PERCENT.  
TSTM COVERAGE.......NONE.  
MIN TEMPERATURE.....AROUND 38.  
MAX HUMIDITY........92-100 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 5 TO 7 MPH SHIFTING TO THE EAST  
AROUND 5 MPH OVERNIGHT.  
MIXING HEIGHT.......500 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 8 MPH.  
PCPN AMOUNT.........0.01 INCHES.  
   
THURSDAY
 
 
SKY/WEATHER.........CLOUDY (90-100 PERCENT) THEN BECOMING PARTLY  
SUNNY (65-75 PERCENT). ISOLATED RAIN SHOWERS.  
CWR.................0 PERCENT.  
CHANCE OF PCPN......30 PERCENT.  
TSTM COVERAGE.......NONE.  
MAX TEMPERATURE.....AROUND 54.  
MIN HUMIDITY........52-59 PERCENT.  
WIND (20 FT)........NORTHEAST WINDS AROUND 5 MPH SHIFTING TO THE  
WEST 5 TO 8 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......3400 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 6 MPH.  
PCPN AMOUNT.........0.01 INCHES.  
 

 
FORECASTER...RUX  
REQUESTED BY...BRYAN QUIMBY  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2513274.0/AER  
.DELDT 05/07/25  
.FORMATTERVERSION 2.0.0  
.EMAIL BRYAN_QUIMBY@FWS.GOV  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab AK Page Main Text Page