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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
756 AM EST Thu Nov 12 2026
VAZ012-122100-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
756 AM EST Thu Nov 12 2026
Date Thu 11/12/26 Fri 11/13/26 Sat 11/14/26
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 50 34 40 28 38
TEMP 49 45 43 41 40 39 37 35 36 38 38 34 33 31 31 30 33 37 37 33
DEWPT 45 43 39 37 36 34 31 32 33 31 29 29 30 27 27 26 26 24 23 25
MAX/MIN RH 77 93 69 88 56
RH 86 93 86 85 85 82 79 89 89 76 70 82 89 85 85 85 75 59 56 72
WIND DIR W W NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 4 4 5 5 5 5 6 5 4 4 3 3 3 4 5 5 4 4 4 4
WIND GUST 16 16 16 16
CLOUDS B2 OV B2 B1 B1 B2 B2 OV B2 B2 B1 B1 B2 B1 B1 B1 B2 B2 B1 B1
CLOUDS(%) 79 96 77 69 59 76 75 89 77 70 60 65 72 65 62 69 74 75 65 52
VSBY 10 7 5 7 6 5 10 5 3 5 3 10 10 10 10 10 10 10 10 10
POP 12HR 60 50 20 30 0
RAIN C C C C C S S
SNOW C C C
MIX HGT 2 2 2 2 <1 1 1 2 3 3 4 1 1 2 2 2 4 4 4 <1
T WIND DIR W NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW
T WIND SPD 23 20 19 18 16 18 19 17 16 16 16 11 12 12 16 16 18 17 17 12
DISPERSION PR PR PR PR VP VP VP PR VP
ADI 48 39 40 12 11 12 13 29 35 40 58 5 6 8 11 32 49 48 48 8
MAX LVORI 3 4 4 4 4 4 5 4 4 3 1 4 4 4 4 4 3 1 1 3
STABILITY D D D E E E E D D D C F F E E D D D D E
CEILING 1200 400 1200 1200 500 1200 600 600 1400 1500
STA PRES 26.87 26.88 26.90 26.91 26.95 26.98 27.05 27.09 27.20 27.26
Date Sun 11/15/26Mon 11/16/26Tue 11/17/26Wed 11/18/26
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 27 43 23 51 23 55 23 60
TEMP 31 29 41 36 29 25 47 37 29 25 51 40 30 26 57 45
DEWPT 24 25 26 25 22 23 25 25 22 22 25 25 22 21 24 25
RH 75 85 55 64 75 92 42 61 75 88 36 55 72 81 28 45
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC SC SC SC SC FW FW FW FW CL CL CL FW CL
POP 12HR 5 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