National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
FNUS76 KSTO 242239
FWSSTO

Spot Forecast for NW Gateway Machine Piles...NPS
National Weather Service Sacramento CA
339 PM PDT Wed Apr 24 2024

Forecast is based on ignition time of 0900 PDT on April 25.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
A frontal system will bring showers to the burn site after 1100
Thursday morning. Showers will continue through Friday with total
precipitation amounts around 0.50, 1 to 2 inches of snow will also
be possible. Breezy winds and high relative humidity can also be
expected Thursday and Friday.

.THURSDAY...

Sky/weather.........Mostly cloudy. Showers developing after 1100.
Max temperature.....40-44.
Min humidity........89-93 percent.
Wind (20 ft)........
 Slope/valley.......Southwest winds 5 to 14 mph.
 Ridgetop...........Southwest 12 to 21 mph.
Mixing height.......2700 ft AGL.
Transport winds.....Southwest 12 to 21 mph.
CWR.................0 percent increasing to 67 percent.
LAL.................1.

TIME (PDT)      9 AM   11 AM  1 PM   3 PM   5 PM
Sky cover.......MCLDY  MCLDY  MCLDY  MCLDY  MCLDY
Weather cov.....       S CHC  CHANCE LIKELY LIKELY
Weather type....NONE   RNSHWR RNSHWR RNSHWR RNSHWR
CWR.............0      40     40     40     70
LAL.............1      1      1      1      1
Temp............35     37     39     40     37
RH..............92     98     100    100    100
SL/VL wind......SW 6   SW 10  SW 13  SW 14  SW 13
SL/VL wind gust.10     14     18     21     22
Ridgetop wind...W 12   W 16   W 16   SW 21  W 20
Mix hgt (ft)....1800   2700   2700   2400   1600
Transport wind..W 12   W 16   W 16   SW 21  W 20

.THURSDAY NIGHT...

Sky/weather.........Mostly cloudy. Rain and snow showers likely.
Min temperature.....29-33.
Max humidity........98-100 percent.
Wind (20 ft)........
 Slope/valley.......Southwest winds 5 to 13 mph.
 Ridgetop...........West 16 to 20 mph.
Mixing height.......700 ft AGL.
Transport winds.....West 16 to 20 mph.
CWR.................67 percent.
LAL.................1.

TIME (PDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky cover.......MCLDY  MCLDY  MCLDY  MCLDY  MCLDY  MCLDY
Weather cov.....LIKELY LIKELY LIKELY CHANCE CHANCE CHANCE
Weather type....RNSHWR RNSHWR RNSHWR RNSHWR RNSN   RNSN
Tstm cov........
CWR.............70     70     70     10     10     10
LAL.............1      1      1      1      1      1
Temp............37     35     35     33     33     32
RH..............100    100    95     91     92     91
SL/VL wind......SW 13  W 10   W 10   W 9    SW 10  SW 10
SL/VL wind gust.22     17     17     13     14     14
Ridgetop wind...W 20   W 17   W 17   W 18   W 18   W 18
Mix hgt (ft)....1600   1400   1400   700    1400   1400
Transport wind..W 20   W 17   W 17   W 18   W 18   W 18

.FRIDAY...

Sky/weather.........Mostly cloudy. Rain and snow showers and
                    slight chance of
                    thunderstorms through the day.
Max temperature.....36-40.
Min humidity........83-87 percent.
Wind (20 ft)........
 Slope/valley.......West winds 5 to 10 mph. Gusty and erratic winds
                    expected near thunderstorms late in the
                    morning.
 Ridgetop...........West 13 to 16 mph.
Mixing height.......4300 ft AGL.
Transport winds.....West 13 to 16 mph.
CWR.................5 percent increasing to 32 percent late in the
                    morning, then decreasing to 0 percent late in
                    the afternoon.
LAL.................1 until 1100, then 2 until 1700, then 1.

TIME (PDT)      6 AM      9 AM      NOON      3 PM
Sky cover.......MCLDY     MCLDY     CLOUDY    CLOUDY
Weather cov.....CHANCE    CHANCE    DEFNTE    DEFNTE
Weather type....RNSN      SNSHWR    SNSHWR    RNSN
Tstm cov........                    S CHC     S CHC
CWR.............10        10        30        30
LAL.............1         1         2         2
Temp............32        31        32        34
RH..............93        98        99        100
SL/VL wind......W 10G14   W 8G13    W 9G13    W 10G15
Ridgetop wind...W 16      W 14      W 15      W 15
Mix hgt (ft)....1200      1900      2500      4300
Transport wind..W 16      W 14      W 15      W 15

$$
Forecaster...CS
Requested by...Dan Ostmann
Type of request...PRESCRIBED
.TAG 2412359.0/STO
.DELDT 04/24/24
.FormatterVersion 2.0.0
.EMAIL daniel_ostmann@nps.gov