414
FNUS71 KRNK 011527
FWSRNK

Spot Forecast for Huckleberry Knob...USFS
National Weather Service Blacksburg VA
1127 AM EDT Wed May 1 2024

Forecast is based on forecast start time of 1300 EDT on May 01.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...
Dry, high pressure will remain in control of the weather today and
into Thursday with continued above normal temperatures. A weak
cold front brings wet weather to the region Saturday and Sunday.
Unseasonably warm temperatures and a daily threat of late day
showers and thunderstorms continues early next week. Minimum RH
values at the burn site look to be around 35 percent. Slightly
drier conditions are expected Thursday.


.REST OF TODAY...

Sky/weather.........Sunny (0-10 percent).
CWR (0.01 in).......0 percent.
Max temperature.....Around 74.
Min humidity........35 percent.
Wind (20 ft)........Northwest winds 5 to 6 mph early in the
                    afternoon becoming light.
Mixing height.......6300 ft AGL.
Mixing winds........Northwest 2 to 8 mph.
Smoke dispersal.....Poor (12300 knot-ft) early in the morning
                    increasing to good (34900 knot-ft) in the
                    afternoon.
LVORI...............2.
ADI.................17 to 49.
Haines Index........4 to 5 or low to moderate potential for large
                    plume dominated fire growth.

TIME (EDT)      1PM 2PM 3PM 4PM 5PM
Sky (%).........5   5   4   4   3
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0
Temp............72  74  74  73  74
RH..............44  40  39  39  37
20 FT wind dir..NW  NW  NW  NW  NW
20 FT wind spd..6   5   5   4   4
20 FT wind gust.8   8   7   6   6
Mix hgt (kft)...5.2 5.8 6.2 6.3 6.1
Mixng wind dir..N   N   NW  NW  NW
Mixng wind spd..8   7   6   3   2
LVORI...........1   1   1   2   2
ADI.............45  49  41  29  17
Haines index....4   4   5   5   5
VRate mph-ft/1K.39  40  34  24  14

.TONIGHT...

Sky/weather.........Clear (0-10 percent).
CWR (0.01 in).......0 percent.
Min temperature.....Around 55.
Max humidity........68 percent.
Wind (20 ft)........Light winds.
Mixing height.......400 ft AGL.
Mixing winds........West 1 to 3 mph.
Smoke dispersal.....Poor (500 knot-ft).
LVORI...............3.
ADI.................0 to 10.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........4      5      3      4      3      4
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
CWR.............0      0      0      0      0      0
Temp............74     69     63     59     58     57
RH..............36     43     51     59     63     66
20 ft wind......NW 3   N 3    NW 3   NW 2   W 2    NW 2
20 ft wind gust.6      5      5      4
Mix hgt (ft)....5700   500    500    400    400    400
Mixing wind......W 1    W 1    W 2    W 3    W 3    W 3
LVORI...........2      2      2      3      3      3
ADI.............10     1      1      2      2      2
Haines index....5      5      5      5      5      5
VRate mph-ft/1K.8      1      1      2      1      1

.THURSDAY...

Sky/weather.........Sunny (0-10 percent).
CWR (0.01 in).......0 percent.
Max temperature.....Around 84.
Min humidity........28 percent.
Wind (20 ft)........Light winds becoming south around 5 mph late in
                    the afternoon.
Mixing height.......6700 ft AGL.
Mixing winds........West 2 to 5 mph.
Smoke dispersal.....Poor (1000 knot-ft) early in the morning
                    increasing to fair (26900 knot-ft) in the
                    afternoon.
LVORI...............2.
ADI.................2 to 37.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

TIME (EDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........4      3      3      2      7      6
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
CWR.............0      0      0      0      0      0
Temp............57     59     70     77     81     83
RH..............67     66     50     39     32     28
20 ft wind......NW 3   NW 4   N 3    NE 3   S 5    S 5
20 ft wind gust.4      6      4      4      6      6
Mix hgt (ft)....400    300    3000   5100   6700   6700
Mixing wind......W 3    W 3    W 2    W 3    SW 5   SW 3
LVORI...........3      3      2      2      1      1
ADI.............2      3      9      19     37     31
Haines index....5      5      5      5      5      5
VRate mph-ft/1K.1      1      7      15     31     26

$$

Forecaster...Hanes
Requested by...Alex Orange
Type of request...WILDFIRE
.TAG 2412315.7/RNK
.DELDT 05/01/24
.FormatterVersion 2.0.0
.EMAIL william.brimm@usda.gov,vavic@firenet.gov