160
FNUS71 KRNK 121336
FWSRNK

Spot Forecast for Landon Hall WMA Prescribed Burn...US Army Corps of Engineers
National Weather Service Blacksburg VA
936 AM EDT Wed Mar 12 2025

Forecast is based on ignition time of 1100 EDT on March 13.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...

Above normal spring-like temperatures are expected this week and
little or no rain is forecast until this weekend. This will provide
opportunities for burning operations...but pay special
attention to forecast minimum humidity and wind direction.

Thursday will be sunny and warmer with winds becoming
northeast and the humidity bottoming out near 33 percent.


.THURSDAY...

Sky/weather.........Mostly cloudy (65-75 percent).
CWR (0.01 in).......0 percent.
Max temperature.....Around 74.
Min humidity........33 percent.
Wind (20 ft)........Light winds.
Mixing height.......4900 ft AGL.
Mixing winds........Northwest around 3 mph shifting to the south 5
                    to 7 mph in the afternoon.
Smoke dispersal.....Poor (4900 knot-ft) early in the morning
                    increasing to fair (26900 knot-ft) in the
                    afternoon.
LVORI...............2.
ADI.................7 to 37.

TIME (EDT)      11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........67  69  70  72  71  70  69
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0
Temp............62  67  70  72  74  74  73
RH..............52  45  39  35  33  33  34
20 FT wind dir..E   E   SE  SE  SE  SE  S
20 FT wind spd..1   2   2   3   3   3   3
20 FT wind gust.4   4   5   6   6   6   6
Mix hgt (kft)...1.7 3.1 4.0 4.9 4.7 4.4 4.2
Mixng wind dir..N   NW  SW  S   S   S   S
Mixng wind spd..3   3   5   6   7   7   7
LVORI...........2   2   2   1   1   1   1
ADI.............7   13  18  33  36  37  34
VRate mph-ft/1K.6   12  19  28  30  31  29

.FRIDAY...

Sky/weather.........Mostly sunny (40-50 percent).
CWR (0.01 in).......10 percent.
Max temperature.....Around 69.
Min humidity........45 percent.
Wind (20 ft)........Light winds.
Mixing height.......3400 ft AGL.
Mixing winds........Northeast 5 to 9 mph shifting to the east
                    around 5 mph late in the afternoon.
Smoke dispersal.....Poor (7000 knot-ft) early in the morning
                    increasing to fair (14000 knot-ft) in the
                    afternoon.
LVORI...............4.
ADI.................4 to 20.

TIME (EDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........52     55     48     40     33     42
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
CWR.............0      0      0      0      10     10
Temp............45     46     51     59     65     68
RH..............93     93     78     61     50     46
20 ft wind......NE 1   E 2    E 2    E 2    SE 3   SE 3
20 ft wind gust.5      6      6      7      8      10
Mix hgt (ft)....800    900    1500   2300   3400   3100
Mixing wind.....NE 9   NE 9   NE 9   NE 7   E 5    E 5
LVORI...........6      6      3      2      2      2
ADI.............4      9      17     20     19     17
VRate mph-ft/1K.8      8      13     16     16     13

$$
Forecaster...Silverman
Requested by...Brandon Turner
Type of request...PRESCRIBED
.TAG 2506145.0/RNK
.DELDT 03/12/25
.FormatterVersion 2.0.0
.EMAIL brandon.m.turner@usace.army.mil