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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
831 AM EST Wed Nov 11 2026
VAZ012-112100-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
831 AM EST Wed Nov 11 2026
Date Wed 11/11/26 Thu 11/12/26 Fri 11/13/26
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
MAX/MIN TEMP 67 44 52 31 41
TEMP 55 65 65 50 47 47 46 45 49 50 48 42 40 36 33 31 37 41 39 33
DEWPT 41 36 30 33 35 41 46 45 44 41 35 38 36 34 32 29 31 27 24 27
MAX/MIN RH 27 100 60 97 52
RH 59 34 27 52 63 79100100 83 71 60 86 85 92 96 92 79 57 54 78
WIND DIR SW SW SW SW W W W W W NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 1 2 2 2 3 4 5 5 4 4 4 5 5 5 5 5 4 4 4 5
WIND GUST 14 16 16 16
CLOUDS CL SC FW B1 FW SC B2 OV OV OV B2 B1 B1 B2 B2 B2 B2 B2 B1 B1
CLOUDS(%) 2 27 15 53 13 45 72 88 95 91 82 65 68 74 75 80 79 76 69 64
VSBY 10 10 10 10 10 9 10 9 6 7 7 6 6 6 4 5 5 10 10 10
POP 12HR 0 30 60 50 30
RAIN SHWRS IS IS SC NM SC IS SC SC SC SC
SNOWSHWRS SC SC SC
MIX HGT 2 4 3 <1 <1 <1 <1 <1 3 3 4 <1 2 2 2 2 3 4 3 <1
T WIND DIR SW SW SW SW W W W W W NW NW NW NW NW NW NW NW NW NW NW
T WIND SPD 8 11 12 10 12 16 16 18 23 21 21 12 18 18 14 16 14 16 16 10
DISPERSION VP VP VP PR PR PR PR PR PR
ADI 16 56 43 5 6 11 11 21 55 53 58 8 12 12 10 32 36 45 41 7
MAX LVORI 2 1 1 2 3 4 7 5 3 1 1 4 4 5 6 4 3 1 1 4
STABILITY A B B F G E E D D D D E E E E D D D D E
CEILING None None 1200 1200 400 1200 500 500 2000
STA PRES 27.08 27.00 26.91 26.91 26.94 26.96 26.97 27.02 27.04
Date Sat 11/14/26Sun 11/15/26Mon 11/16/26Tue 11/17/26
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MIN/MAX TEMP 26 42 22 48 21 52 22 54
TEMP 30 26 39 33 27 24 44 34 26 23 48 38 28 24 51 39
DEWPT 25 22 23 23 22 20 24 24 22 19 24 26 24 21 26 27
RH 81 85 52 66 81 84 45 66 85 84 39 62 85 88 37 62
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 B1 SC SC FW FW FW FW FW SC SC SC SC SC FW
POP 12HR 10 0 0 0 0 5 5 0
$$
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