684
FNAK71 PAFC 051520
FWSAER
SPOT FORECAST FOR JBER RX...USWFS
NATIONAL WEATHER SERVICE ANCHORAGE AK
720 AM AKDT TUE MAY 5 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 AKDT ON MAY 05.
DISCUSSION
A LOW PRESSURE SYSTEM CURRENTLY NEAR KODIAK ISLAND WILL MOVE
NORTH OVER THE NEXT 24 HOURS WITH THE MAIN SURFACE LOW REMAINING
NEAR PRINCE WILLIAM SOUND WHILE ANOTHER DEVELOPS IN THE INTERIOR.
WINDS WILL BE MOSTLY CALM AND VARIABLE, BECOMING SOUTHERLY THIS
EVENING AS THE LOW DEVELOPS INLAND. CHANCES FOR PRECIPITATION
INCREASE THIS EVENING INTO THE OVERNIGHT HOURS, THOUGH ANYTHING
THAT DOES FALL WILL BE VERY LIGHT. STEADIER LIGHT RAIN SHOWERS
ARE LIKELY DURING THE DAY WEDNESDAY.
TODAY
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). ISOLATED RAIN
SHOWERS LATE IN THE MORNING, THEN SCATTERED
RAIN SHOWERS IN THE AFTERNOON.
CWR.................0 PERCENT INCREASING TO 16 PERCENT LATE IN THE
AFTERNOON.
CHANCE OF PCPN......30 PERCENT.
MAX TEMPERATURE.....AROUND 50.
MIN HUMIDITY........59 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS AROUND 5 MPH LATE IN THE
MORNING BECOMING LIGHT.
MIXING HEIGHT.......2400 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 6 TO 9 MPH.
PCPN AMOUNT.........0.02 INCHES.
SNOWFALL AMOUNT.....0.0 INCHES.
TIME (AKDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........92 93 93 93 88 88 88 81 81
WEATHER COV.....ISO ISO ISO ISO SCT SCT SCT SCT SCT
WEATHER TYPE....RW RW RW RW RW RW RW RW RW
CWR.............0 0 0 0 0 0 0 20 20
CHC OF PCPN (%).20 20 20 20 30 30 30 30 30
TEMP............42 45 46 48 48 49 49 50 50
RH..............78 72 71 66 65 64 63 61 61
20 FT WIND DIR..SE SE SE SE W W W SW SW
20 FT WIND SPD..5 1 1 1 1 1 1 2 2
20 FT WIND GUST.10 7 7 7 6 6 6 6 6
MIX HGT (KFT)...0.4 2.4 2.4 2.4 2.4 2.4 2.4 2.2 2.2
TRANSP WIND DIR.SE SE SE SE SE SE SE SE SE
TRANSP WIND SPD.9 6 6 6 6 6 6 7 7
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). SCATTERED RAIN
SHOWERS EARLY IN THE EVENING, THEN NUMEROUS
RAIN SHOWERS LATE IN THE EVENING. SCATTERED
RAIN SHOWERS OVERNIGHT.
CWR.................16 PERCENT INCREASING TO 34 PERCENT AFTER 3 AM.
CHANCE OF PCPN......60 PERCENT.
MIN TEMPERATURE.....AROUND 37.
MAX HUMIDITY........84 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 7 MPH IN
THE LATE EVENING AND OVERNIGHT, THEN BECOMING
LIGHT AFTER 3 AM.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTH 5 TO 8 MPH.
PCPN AMOUNT.........0.04 INCHES.
SNOWFALL AMOUNT.....0.0 INCHES.
TIME (AKDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........81 70 70 70 75 75 75 92 92 92 90 90
WEATHER COV.....SCT SCT SCT SCT NUM NUM NUM SCT SCT SCT SCT SCT
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
CWR.............20 20 20 20 20 20 20 20 20 20 30 30
CHC OF PCPN (%).30 30 30 30 60 60 60 30 30 30 40 40
TEMP............50 49 48 46 45 43 42 41 40 39 38 38
RH..............59 60 62 64 67 70 71 74 76 77 79 81
20 FT WIND DIR..SW SE SE SE SE SE SE S S S E E
20 FT WIND SPD..2 3 3 3 7 7 7 5 5 5 1 1
20 FT WIND GUST.6 7 7 7 12 12 12 6 6 6 3 3
MIX HGT (KFT)...2.2 2.2 2.2 2.2 0.4 0.4 0.4 0.4 0.4 0.4 0.7 0.7
TRANSP WIND DIR.SE S S S S S S S S S S S
TRANSP WIND SPD.7 6 6 6 8 8 8 7 7 7 5 5
WEDNESDAY
SKY/WEATHER.........CLOUDY (90-100 PERCENT). SCATTERED RAIN SHOWERS
EARLY IN THE MORNING, THEN NUMEROUS RAIN
SHOWERS.
CWR.................50 PERCENT.
CHANCE OF PCPN......70 PERCENT.
MAX TEMPERATURE.....AROUND 47.
MIN HUMIDITY........67 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 6 MPH IN THE
AFTERNOON.
MIXING HEIGHT.......2200 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 3 TO 7 MPH.
PCPN AMOUNT.........0.15 INCHES.
SNOWFALL AMOUNT.....0.0 INCHES.
TIME (AKDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........90 93 93 93 95 95 95 95 95 95 91 91
WEATHER COV.....SCT NUM NUM NUM NUM NUM NUM NUM NUM NUM NUM NUM
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
CWR.............30 30 30 30 30 30 30 30 30 30 30 30
CHC OF PCPN (%).40 60 60 60 60 60 60 70 70 70 70 70
TEMP............37 38 39 40 41 42 43 44 45 46 47 46
RH..............83 84 84 83 81 79 77 75 72 70 68 67
20 FT WIND DIR..E N N N W W W W W W W W
20 FT WIND SPD..1 0 0 0 2 2 2 5 5 5 6 6
20 FT WIND GUST.3 3 3 3 5 5 5 7 7 7 7 7
MIX HGT (KFT)...0.7 0.7 0.7 0.7 1.9 1.9 1.9 1.9 1.9 1.9 2.2 2.2
TRANSP WIND DIR.S S S S SW SW SW SW SW SW SW SW
TRANSP WIND SPD.5 3 3 3 5 5 5 7 7 7 7 7
FORECASTER...JONES
REQUESTED BY...BRYAN QUIMBY
TYPE OF REQUEST...PRESCRIBED
.TAG 2612514.1/AER
.DELDT 05/05/26
.FORMATTERVERSION 2.0.0
.EMAIL BRYAN_QUIMBY@FWS.GOV
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