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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EST Tue Nov 10 2026
VAZ012-110900-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
801 PM EST Tue Nov 10 2026
Date 11/10/26 Wed 11/11/26 Thu 11/12/26 Fri
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
MIN/MAX TEMP 37 68 42 55 30
TEMP 45 42 39 37 56 66 65 50 47 45 45 45 51 52 48 42 39 36 32 30
DEWPT 40 40 39 37 44 39 34 38 38 41 45 45 48 43 38 39 37 34 32 30
MIN/MAX RH 100 30 100 68 100
RH 82 93100100 64 37 31 63 71 86100100 89 71 68 89 92 92100100
WIND DIR W W W W SW SW W SW SW SW W W W W NW NW NW NW NW NW
WIND SPD 2 2 2 1 1 2 2 2 3 3 4 4 4 4 5 5 5 5 6 6
WIND GUST 14 14 16 16 16
CLOUDS CL CL FW FW FW FW SC SC FW B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2
CLOUDS(%) 1 4 9 23 9 23 29 48 23 57 64 80 80 80 74 70 81 70 73 76
VSBY 10 10 10 10 10 10 10 10 10 9 8 9 10 10 10 10
POP 12HR 0 0 40 70 60
RAIN C L L C C L L C C
SNOWSHWRS SC
MIX HGT <1 <1 <1 <1 1 4 2 <1 <1 <1 <1 1 3 3 3 1
T WIND DIR W W W W SW SW W W W W W W W NW NW NW
T WIND SPD 9 10 9 8 8 11 10 9 11 12 13 13 18 19 17 13
DISPERSION VP VP VP VP VP VP VP PR PR PR PR
ADI 4 5 4 8 15 56 30 4 5 6 9 19 43 47 41 9
MAX LVORI 5 6 9 8 3 1 1 3 3 5 8 5 4 3 1 5
STABILITY G G G A A B B F G F E D D D D E
CEILING None None None None 1200 1200 400 500
STA PRES 27.27 27.20 27.08 27.01 26.91 26.91 26.93
Date 11/13Sat 11/14/26Sun 11/15/26Mon 11/16/26Tue 11/17/26
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MAX/MIN TEMP 41 25 42 21 49 23 52 25 56
TEMP 41 32 30 26 38 31 27 23 46 35 28 25 49 39 29 27 52 41
DEWPT 28 29 27 24 24 25 24 21 24 26 23 22 26 29 27 25 30 31
RH 59 88 88 92 57 78 88 92 42 69 81 88 40 67 92 92 43 67
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B2 B1 B1 B1 B1 SC FW FW FW FW SC SC SC SC SC SC FW
POP 12HR 30 20 5 0 0 0 5 10 5
SNOWSHWRS SC SC IS 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