571
FNUS71 KRNK 270734
FWSRNK

Spot Forecast for Huckleberry Knob...USFS
National Weather Service Blacksburg VA
334 AM EDT Sat Apr 27 2024

Forecast is based on forecast start time of 0500 EDT on April 27.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...
A warm front will keep clouds and occasional light rain showers
in the region through mid morning. Clouds lift but stick around
for the remainder of the day, which will be dry and relatively
warm. Even warmer temperatures develop beginning Sunday and
occurring most of the week. Rain chances return by Tuesday with
a frontal passage. Additional scattered showers and
thunderstorms will be possible, mainly in the afternoon hours,
each day thereafter for the remainder of the work week. Minimum RH
values lower each afternoon through Monday when they will reach
30 to 35 percent. After that, they rebound.


.TODAY...

Sky/weather.........Mostly cloudy (70-80 percent). Slight chance of
                    rain showers early in the morning.
CWR (0.01 in).......20 percent decreasing to 10 percent in the late
                    morning and afternoon.
Max temperature.....Around 65.
Min humidity........56 percent.
Wind (20 ft)........South winds 7 to 10 mph increasing to around 10
                    mph late in the afternoon.
Mixing height.......4200 ft AGL.
Mixing winds........South 12 to 15 mph.
Smoke dispersal.....Poor (10200 knot-ft) early in the morning
                    increasing to good (55100 knot-ft) in the
                    afternoon.
Haines Index........2 to 3 or very low potential for large plume
                    dominated fire growth.

TIME (EDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........97     80     63     63     66     69
Weather cov.....S CHC  S CHC
Weather type....RNSHWR RNSHWR NONE   NONE   NONE   NONE
Tstm cov........
CWR.............20     20     10     0      0      0
Temp............47     48     53     58     63     65
RH..............97     99     82     70     59     56
20 ft wind......SE 7   S 10   S 10   S 9    S 10   S 10
20 ft wind gust.12     12     12     12     12     13
Mix hgt (ft)....1200   1100   2000   3000   3500   4200
Mixing wind......SE 13  S 13   S 15   S 13   S 14   S 15
Haines index....2      3      3      3      3      3
VRate mph-ft/1K.16     14     30     38     48     63

.TONIGHT...

Sky/weather.........Mostly cloudy (70-80 percent) then becoming
                    partly cloudy (40-50 percent) then becoming
                    mostly cloudy (60-70 percent).
CWR (0.01 in).......10 percent.
Min temperature.....Around 56.
Max humidity........85 percent.
Wind (20 ft)........South winds 8 to 11 mph shifting to the
                    southwest around 8 mph after 3 am.
Mixing height.......500 ft AGL.
Mixing winds........South 12 to 17 mph.
Smoke dispersal.....Good (55000 knot-ft) early in the evening
                    decreasing to poor (5300 knot-ft) late in the
                    night.
Haines Index........3 to 4 or very low to low potential for large
                    plume dominated fire growth.

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........82     78     47     42     68     62
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
CWR.............10     10     0      0      0      0
Temp............65     60     59     57     56     56
RH..............56     68     69     75     79     85
20 ft wind......S 11   S 10   S 8    SW 8   SW 10  SW 8
20 ft wind gust.12     11     10     10     11     10
Mix hgt (ft)....3700   800    500    600    800    700
Mixing wind......S 17   S 14   S 12   S 12   SW 14  SW 13
Haines index....3      3      3      3      4      4
VRate mph-ft/1K.63     12     6      6      10     9

.SUNDAY...

Sky/weather.........Mostly sunny (25-35 percent).
CWR (0.01 in).......0 percent.
Max temperature.....Around 79.
Min humidity........40 percent.
Wind (20 ft)........Southwest winds 6 to 8 mph.
Mixing height.......6000 ft AGL.
Mixing winds........Southwest 6 to 13 mph.
Smoke dispersal.....Poor (6800 knot-ft) early in the morning
                    increasing to good (48200 knot-ft) in the
                    afternoon.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

TIME (EDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........56        30        5         16
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
CWR.............0         0         0         0
Temp............56        62        72        78
RH..............85        72        52        40
20 FT wind......SW 8G10   SW 6G10   SW 6G8    SW 6G8
Mix hgt (ft)....700       1300      4000      6000
Mixing wind......SW 12     W 10      SW 7      SW 7
Haines index....4         4         4         4
VRate mph-ft/1K.8         13        28        49

$$

Forecaster...Hanes
Requested by...Jesse Holguin
Type of request...WILDFIRE
.TAG 2412315.3/RNK
.DELDT 04/27/24
.FormatterVersion 2.0.0
.EMAIL Jholguin@blm.gov