444
FNUS75 KREV 220519
FWSREV
SPOT FORECAST FOR ARROWHAWK A12...USFS
NATIONAL WEATHER SERVICE RENO NV
919 PM PST WED JAN 21 2026
FORECAST IS BASED ON IGNITION TIME OF 0800 PST ON JANUARY 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL
WEATHER SERVICE IN RENO.
DISCUSSION
* POOR VENTILATION AND LIGHT WINDS CONTINUE AS STRONG TEMPERATURE
INVERSIONS REMAIN IN PLACE.
* INCREASED NORTHEAST-EAST BREEZES AND INCREASED MIXING ARE
POSSIBLE FRIDAY-SATURDAY.
* DRY CONDITIONS PREVAIL WITH MOSTLY SUNNY SKIES THROUGH THE
BEGINNING OF THE WEEKEND.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY.
TEMPERATURE.........41 AT IGNITION...MAX 50.
RH..................52% AT IGNITION...MIN 35-40%.
20-FOOT WINDS.......WINDS SOUTH-SOUTHEAST 2-5 MPH.
CHC WETTING RAIN....0%.
CHANCE OF THUNDER...0%.
MIXING HEIGHT.......200-500 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 5 MPH.
VENTILATION.........POOR.
TIME (PST) 8 AM 11 AM 2 PM
SKY (%).........84 69 46
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE
TSTM COV........
CWR.............0 0 0
CHC OF THDR (%).0 0 0
TEMP............41 46 47
RH..............40 38 35
20 FT WIND......NW 1 S 2G5 SE 2G5
MX HT MSL (KFT).0.1 0.3 0.5
TRANSPORT WIND..S 1 S 3 S 5
VRATE KT-FT/1K..0 1 3
VENTRATE CAT....POOR POOR POOR
THURSDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY.
TEMPERATURE.........MIN 30.
RH..................MAX 70%.
20-FOOT WINDS.......DOWNSLOPE 2-6 MPH.
CHC WETTING RAIN....0%.
CHANCE OF THUNDER...0%.
MIXING HEIGHT.......200-500 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS.
VENTILATION.........POOR.
TIME (PST) 4 PM 7 PM 10 PM 1 AM
SKY (%).........29 12 20 38
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE
TSTM COV........
CWR.............0 0 0 0
CHC OF THDR (%).0 0 0 0
TEMP............44 39 38 37
RH..............43 54 58 68
20 FT WIND......NW 2G5 W 2G5 W 2G5 W 2G5
MX HT MSL (KFT).0.3 0.2 0.2 0.2
TRANSPORT WIND..N 5 NW 5 W 5 W 5
VRATE KT-FT/1K..1 1 1 1
VENTRATE CAT....POOR POOR POOR POOR
FRIDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING SUNNY.
TEMPERATURE.........MAX 45.
RH..................MIN 45%.
20-FOOT WINDS.......NORTHEAST 3-7 MPH.
CHC WETTING RAIN....0%.
CHANCE OF THUNDER...0%.
MIXING HEIGHT.......200-500 FT AGL THEN 1200-1600 FT AGL IN THE
AFTERNOON.
TRANSPORT WINDS.....NORTH-NORTHEAST 5-10 MPH.
VENTILATION.........POOR TO MARGINAL.
TIME (PST) 4 AM 7 AM 10 AM 1 PM
SKY (%).........56 37 18 14
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE
TSTM COV........
CWR.............0 0 0 0
CHC OF THDR (%).0 0 0 0
TEMP............34 32 38 41
RH..............70 64 54 47
20 FT WIND......W 2G5 W 2G5 N 23 NE 7
MX HT MSL (KFT).0.1 0.3 0.8 1.5
TRANSPORT WIND..N 2 NW 2 N 5 NE 8
VRATE KT-FT/1K..0 1 4 11
VENTRATE CAT....POOR POOR POOR MRGL
FORECASTER...FUENTES
REQUESTED BY...ROSENDO ALVAREZ
TYPE OF REQUEST...PRESCRIBED
.TAG 2600864.0/REV
.DELDT 01/22/26
.FORMATTERVERSION 2.0.0
.EMAIL ROSENDO.ALVAREZ@USDA.GOV
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