Print This Forecast (Printer-Friendly)
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Thu Oct 15 2026
VAZ012-152000-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
801 AM EDT Thu Oct 15 2026
Date Thu 10/15/26 Fri 10/16/26 Sat 10/17/26
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
MAX/MIN TEMP 80 59 79 41 53
TEMP 72 78 79 71 64 62 60 60 72 77 73 58 51 48 44 41 45 51 50 41
DEWPT 66 67 67 66 64 61 60 60 62 60 59 56 49 45 42 41 40 37 34 33
MAX/MIN RH 67 99 55 97 54
RH 81 69 67 84100 97100100 71 56 62 93 93 89 93100 82 59 54 73
WIND DIR SW SW SW S S S SW W W W W NW NW NW NW NW N N N N
WIND SPD 3 2 2 1 2 1 2 4 4 4 4 8 9 9 9 8 5 4 4 3
WIND GUST 19
CLOUDS B1 SC SC SC FW FW FW CL CL FW SC B2 B2 B2 B2 B2 B1 SC FW FW
CLOUDS(%) 51 50 49 33 20 23 22 4 4 8 48 80 83 71 73 73 64 40 23 20
VSBY 10 10 10 10 10 8 6 7 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 40 10 50 70 20
RAIN SHWRS SC SC IS NM NM SC SC IS IS
TSTMS SC IS
MIX HGT 1 3 2 <1 <1 <1 <1 <1 3 5 4 2 2 2 1 2 3 3 3 <1
T WIND DIR W SW S SE S S SW W W W W NW NW NW NW NW N N N N
T WIND SPD 8 9 6 4 6 5 5 16 25 24 20 20 21 26 21 17 27 26 28 27
DISPERSION VP VP VP VP PR PR PR PR VP
ADI 14 27 16 2 3 3 3 17 92142 90 23 29 30 24 35 64111116 12
MAX LVORI 4 3 3 5 9 9 9 5 3 1 1 5 4 4 5 4 4 1 1 3
STABILITY C C C G G G G B B B B D D D D D D B B G
CEILING None None None None None None 700 700 500 None
STA PRES 27.36 27.32 27.30 27.24 27.19 27.12 27.17 27.18 27.29 27.41
Date Sun 10/18/26Mon 10/19/26Tue 10/20/26Wed 10/21/26
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MIN/MAX TEMP 30 56 31 60 37 64 39 66
TEMP 35 30 52 44 36 33 57 49 42 39 62 53 45 40 63 54
DEWPT 30 26 32 33 29 29 41 43 40 38 45 46 42 39 47 48
RH 82 85 46 65 75 85 55 80 93 96 54 77 89 96 56 80
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW FW FW FW FW FW SC SC SC SC FW FW FW FW
POP 12HR 10 10 20 5 5 0 0 5
RAIN SHWRS IS
$$
This product is for planning and review purposes only and is not
to be substituted for an official fire weather spot forecast. The
data displayed are calculated from a 2.5 by 2.5 km digital
database and only approximates weather conditions in highly
varying terrain. Please relay any comments you have to the NWS via
email at rnk.webmaster@noaa.gov.
Below is a weather element key for this product.
(Note...winds do not reflect local terrain effects.)
DAY 1 THROUGH 3...
MAX/MIN TEMP OR MIN/MAX TEMP(F).....Maximum/Minimum air temperature
TEMP(F).............................Air temperature
DEWPT(F)............................Dew point temperature
MIN/MAX RH OR MAX/MIN RH(%).........Maximum/Minimum humdity
RH(%)...............................Relative humidity
WIND DIR(8 POINT COMPASS)...........Wind direction
WIND SPD(MPH).......................Wind speed
CLOUDS(CATEGORY)....................Cloud cover category
EXAMPLE: CL = CLEAR; FW = FEW; SC = Scattered; BK = Broken; OV = Overcast
CLOUDS(%)...........................Cloud cover as a percentage
VSBY................................Visibility value in statute miles
POP 12HR(%).........................Probability for accumulating precipitation
WEATHER...
TYPE...
RAIN...........Rain
RAIN SHWRS.....Rain showers
TSTMS..........Thunderstorms
DRIZZLE........Drizzle
SNOW...........Snow
SNOWSHWRS......Snow showers
SLEET..........Sleet
FRZG RAIN......Freezing rain
FRZG DRZL......Freezing drizzle
COVERAGE...
IS.............Isolated
SC.............Scattered
NM.............Numerous
O..............Occasional
S..............Slight chance
C..............Chance
L..............Likely
WD.............Widespread
D..............Definite
AR.............Areas
PA.............Patchy
MIX HGT(THOUSANDS OF FT AGL)........Mixing height
Example: 6 = 6000 feet; 12 = 12000 feet; <1 = Less than 1000 foot
t WIND DIR(8 POINT COMPASS).........Transport Wind direction
T WIND SPD(MPH).....................Transport Wind speed
DISPERSION(CATEGORY)................Smoke Dispersion category
Values: vp =Very Poor;PR = Poor; FR = Fair; GD = Good;
ADI (INDEX).........................Atmospheric Dispersion Index
MAX LVORI (INDEX)...................Low Visibility Occurrence Risk Index
STABILITY (CATEGORY)................Pasquill Turner Stability
CEILING (FT)........................Ceiling
STA PRES (INCHES MERCURY)...........Station pressure
Day 4 Through 7...
MAX/MIN TEMP OR MIN/MAX TEMP(F).....Maximum/Minimum air temperature
TEMP(F).............................Air temperature
DEWPT(F)............................Dew Point temperature
RH(%)...............................Relative Humidity
WIND SPD(MPH).......................Wind Speed
Example: <15 = less than 15 MPH; 15> = 15 MPH or greater
AVE CLOUDS(CATEGORY)................Average Cloud Cover Category
POP 12HR(%).........................Probability for accumulating precipitation
WEATHER.............................See Day 1 through 3 weather descriptions