009
FNUS76 KSTO 120338
FWSSTO
SPOT FORECAST FOR MOTHER LODE CREW READINESS EXERCISE...CAL FIRE TUOLUMNE - CALAVERAS UNIT
NATIONAL WEATHER SERVICE SACRAMENTO CA
838 PM PDT MON MAY 11 2026
FORECAST IS BASED ON FORECAST START TIME OF 0800 PDT ON MAY 14.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
MOSTLY SUNNY WITH DRY AND WARM CONDITIONS FOR THE TRAINING EXERCISE
ON THURSDAY AND FRIDAY. WARMING TREND EXPECTED TO BEGIN ON THURSDAY
AS HIGH PRESSURE BUILDS OVER THE PACIFIC, BRINGING HIGH TEMPERATURES
IN THE MID 80S TO LOW 90S. DAYTIME HUMIDITY VALUES ARE FORECAST TO
BE IN THE LOW TO MID 20S. MINOR HEATRISK IS IN THE FORECAST FOR
THURSDAY AND FRIDAY AND NO PRECIPITATION IS EXPECTED.
THURSDAY
SKY/WEATHER.........SUNNY.
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....82-86.
MIN HUMIDITY........23-27 PERCENT.
SURFACE WINDS (MPH).LIGHT WINDS BECOMING WEST 5 TO 7 MPH LATE IN
THE MORNING.
WIND (20 FT)........
VALLEY/LWR SLOPES..WEST WINDS UP TO 7 MPH EARLY IN THE MORNING
BECOMING LIGHT, THEN BECOMING WEST 5 TO 7 MPH
LATE IN THE MORNING.
RIDGE/UPPER SLOPE..NORTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......3800 FT AGL.
TRANSPORT WINDS.....NORTHWEST 3 TO 9 MPH.
PCPN AMOUNT.........0.00 INCHES.
SNOWFALL AMOUNT.....0.0 INCHES.
CHANCE OF THUNDER...0 PERCENT.
TIME (PDT) 8 AM 11 AM 2 PM 5 PM
SKY COVER.......CLEAR CLEAR CLEAR CLEAR
CHC OF PCPN (%).0 0 0 0
CHC OF THDR (%).0 0 0 0
TEMP............60 71 80 84
RH..............58 46 32 25
VL/LS WIND......NW 2G3 W 6G10 W 7G13 NW 7G12
SURFACE WIND....NW 2G3 W 6G10 W 7G13 NW 7G12
RIDGE/UPSLP SPD.NW 3 W 7 NW 8 NW 9
MIX HGT (FT)....900 1900 3000 3800
TRANSPORT WIND..NW 3 W 7 NW 8 NW 9
FRIDAY
SKY/WEATHER.........SUNNY.
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....86-90.
MIN HUMIDITY........22-26 PERCENT.
SURFACE WINDS (MPH).LIGHT WINDS BECOMING WEST 5 TO 8 MPH LATE IN
THE MORNING.
WIND (20 FT)........
VALLEY/LWR SLOPES..LIGHT WINDS BECOMING WEST 5 TO 8 MPH LATE IN
THE MORNING.
RIDGE/UPPER SLOPE..NORTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......4500 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 5 MPH SHIFTING TO THE WEST
EARLY IN THE MORNING.
PCPN AMOUNT.........0.00 INCHES.
SNOWFALL AMOUNT.....0.0 INCHES.
CHANCE OF THUNDER...0 PERCENT.
TIME (PDT) 6 AM 9 AM NOON 3 PM
SKY COVER.......CLEAR CLEAR CLEAR CLEAR
CHC OF PCPN (%).0 0 0 0
CHC OF THDR (%).0 0 0 0
TEMP............60 69 81 87
RH..............63 52 36 25
VL/LS WIND......NE 2G5 W 2G3 W 6G10 W 8G15
SURFACE WIND....NE 2G5 W 2G3 W 6G10 W 8G15
RIDGE/UPSLP SPD.NE 5 W 3 W 7 NW 10
MIX HGT (FT)....400 900 1500 3000
TRANSPORT WIND..NE 5 W 3 W 7 NW 10
FORECASTER...JW
REQUESTED BY...ABE FORGETTE
TYPE OF REQUEST...OTHER
.TAG 2613383.0/STO
.DELDT 05/12/26
.FORMATTERVERSION 2.0.0
.EMAIL ABE.FORGETTE@FIRE.CA.GOV
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