939
FNUS75 KSLC 211930
FWSSLC
SPOT FORECAST FOR EL MONTE RX...OGDEN FD
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
130 PM MDT WED OCT 21 2026
FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON OCTOBER 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
AN APPROACHING LOW PRESSURE SYSTEM WILL BRING AN
INCREASE IN MOISTURE ON THURSDAY, WITH SHOWERS AND THUNDERSTORMS
BECOMING LIKELY DURING THE LATE AFTERNOON HOURS. STRENGTHENING
SOUTHERLY FLOW AHEAD OF THIS LOW WILL ELEVATE TRANSPORT WINDS, AND
BOOST THE CLEARING INDEX ABOVE 500. THIS LOW WILL CROSS THE REGION
THURSDAY NIGHT THROUGH FRIDAY, BRINGING OCCASIONAL SHOWERS AND
THUNDERSTORMS TO THE AREA. TRANSPORT WINDS WILL REMAIN SUFFICIENT
TO BOOST THE CLEARING INDEX ABOVE 500 AGAIN ON FRIDAY.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT CLOUD COVER) UNTIL
1200, THEN BECOMING MOSTLY CLOUDY (80-90 PERCENT
CLOUD COVER). SHOWERS AND THUNDERSTORMS LIKELY,
MAINLY AFTER 1500.
CWR.................5 PERCENT UNTIL 1300, THEN 30 PERCENT.
CHANCE OF PCPN......20 PERCENT UNTIL 1500, THEN 60 PERCENT.
CHANCE OF LIGHTNING.10 PERCENT UNTIL 1500, THEN 25 PERCENT.
MAX TEMPERATURE.....70-73.
MIN HUMIDITY........40-44 PERCENT.
WIND (20 FT)........SOUTHEAST 3-8 MPH. GUSTY OUTFLOW WINDS TO 40
MPH NEAR THUNDERSTORMS LATE IN THE AFTERNOON.
MIXING HEIGHT.......4200 FT AGL (20-30TH PERCENTILE).
TRANSPORT WINDS.....SOUTH 10 MPH INCREASING TO SOUTHEAST 15 MPH
AFTER 1200.
CLEARING INDEX......610.
THURSDAY NIGHT
SKY/WEATHER.........CLOUDY (90-100 PERCENT CLOUD COVER). PERIODS
OF RAIN. A CHANCE OF SHOWERS, MAINLY DURING
THE EVENING.
CWR.................95 PERCENT.
CHANCE OF PCPN......100 PERCENT.
CHANCE OF LIGHTNING.33 PERCENT.
MIN TEMPERATURE.....44-47.
MAX HUMIDITY........92-95 PERCENT.
WIND (20 FT)........SOUTH 4-9 MPH DURING THE EVENING, INCREASING
TO 8-14 MPH WITH GUSTS TO 30 MPH OVERNIGHT.
GUSTY OUTFLOW WINDS TO 40 MPH NEAR
THUNDERSTORMS.
MIXING HEIGHT.......900 FT AGL.
TRANSPORT WINDS.....SOUTH 15 MPH.
FRIDAY
SKY/WEATHER.........MOSTLY CLOUDY (85-95 PERCENT CLOUD COVER) WITH
PERIODS OF RAIN. A SLIGHT CHANCE OF
THUNDERSTORMS, MAINLY DURING THE AFTERNOON.
CWR.................80 PERCENT.
CHANCE OF PCPN......90 PERCENT.
CHANCE OF LIGHTNING.15 PERCENT.
MAX TEMPERATURE.....51-54.
MIN HUMIDITY........74-79 PERCENT.
WIND (20 FT)........SOUTH 8-15 MPH WITH GUSTS AROUND 30 MPH
BECOMING SOUTHWEST 3-8 MPH LATE IN THE
AFTERNOON. GUSTY OUTFLOW WINDS NEAR
THUNDERSTORMS.
MIXING HEIGHT.......4100 FT AGL (20-30TH PERCENTILE).
TRANSPORT WINDS.....SOUTH 17 MPH.
CLEARING INDEX......670.
FORECASTER...SEAMAN
REQUESTED BY...CAPTAIN MITCH LAMONTE
TYPE OF REQUEST...PRESCRIBED
.TAG 2624264.0/SLC
.DELDT 10/21/26
.FORMATTERVERSION 2.0.0
.EMAIL MITCHELLLAMONTE@PGDENCITY.GOV
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