571
FNUS76 KPQR 062031
FWSPQR

Spot Forecast for Nails Knob Rx Burn...NW Oregon BLM
National Weather Service Portland OR
131 PM PDT Tue May 6 2025

Forecast is based on ignition time of 0800 PDT on May 07.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Generally partly cloudy conditions throughout the
period, with a 10-20% chance of some light showers on Wednesday
afternoon only. Otherwise, no rain expected throughout the period.
Sustained winds under 10 mph, peaking during afternoon hours on
Wednesday and Thursday, generally out of the northwest. Relative
humidity values bottom out around 40-50% during daytime hours.


.WEDNESDAY...

Sky/weather.........Partly cloudy. Slight chance of rain showers
 late in the afternoon.
CWR.................0 percent.
Chance of thunder...4 percent.
Max temperature.....67-70 degrees.
Min humidity........55 percent.
Wind (20 ft)........
 Slope/valley.......Light winds becoming west 4 to 7 mph in the
                    afternoon.
 Ridgetop...........West winds 5 to 10 mph.
Mixing height.......3500 ft AGL.
Transport winds.....West 5 to 10 mph increasing to around 15 mph
                    late in the afternoon.

TIME (PDT)      8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........45     35     53     63     51
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE
Tstm cov........
CWR.............0      0      0      0      0
Chc of thdr (%).0      0      0      0      0
Temp............51     59     65     68     64
RH..............77     63     56     56     63
20 ft wind......SW 3   SW 3   W 5    W 6    W 7
20 ft wind gust.6      7      10     11     14
Ridgetop wind...M      M      M      M      M
Mix hgt (ft)....700    2100   3300   3400   2300
Transport wind..W 5    W 5    W 8    W 10   W 13

.WEDNESDAY NIGHT...

Sky/weather.........Mostly cloudy, becoming partly cloudy after
midnight.
CWR.................0 percent.
Chance of thunder...4 percent.
Min temperature.....40-43 degrees.
Max humidity........82 percent.
Wind (20 ft)........
 Slope/valley.......West winds 5 to 7 mph in the evening becoming
                    light.
 Ridgetop...........West winds 6 to 8 mph in the evening becoming
                    light.
Mixing height.......300 ft AGL.
Transport winds.....Northwest 7 to 12 mph shifting to the north 7
                    to 8 mph overnight.

TIME (PDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........67     51     51     32     24     24
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
CWR.............0      0      0      0      0      0
Chc of thdr (%).0      0      0      0      0      0
Temp............59     53     51     47     44     43
RH..............68     74     76     77     79     82
20 ft wind......W 7    W 5    W 5    NW 4   NW 3   NW 3
20 ft wind gust.14     10     10     6      6      6
Ridgetop wind...M      M      M      M      M      M
Mix hgt (ft)....2200   1300   300    400    400    300
Transport wind..W 12   W 8    NW 8   NW 7   N 7    N 7

.THURSDAY...

Sky/weather.........Partly cloudy.
CWR.................0 percent.
Chance of thunder...0 percent.
Max temperature.....65-68 degrees.
Min humidity........39 percent.
Wind (20 ft)........
 Slope/valley.......North winds around 5 mph, turning northwest
late.
 Ridgetop...........North winds around 5 mph, turning northwest
late.
Mixing height.......3700 ft AGL.
Transport winds.....North 7 to 13 mph.

TIME (PDT)      6 AM         10 AM        2 PM
Sky (%).........26           30           28
Weather cov.....
Weather type....NONE         NONE         NONE
Tstm cov........
CWR.............0            0            0
Chc of thdr (%).0            0            0
Temp............43           53           64
RH..............83           62           43
20 FT wind......N 3G6        N 5G8        N 5G10
Ridgetop wind...M            M            M
Mix hgt (ft)....600          2400         3600
Transport wind..N 9          N 10         N 7

$$
Forecaster...Liu
Requested by...Spencer Ware
Type of request...PRESCRIBED
.TAG 2513251.0/PQR
.DELDT 05/06/25
.FormatterVersion 2.0.0
.EMAIL saware@blm.gov