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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 PM EST Wed Nov 11 2026
VAZ012-120900-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
701 PM EST Wed Nov 11 2026
Date 11/11/26 Thu 11/12/26 Fri 11/13/26 Sat
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 44 51 32 42 26
TEMP 46 46 47 46 49 50 47 43 41 38 36 33 37 41 41 35 34 31 29 27
DEWPT 38 40 45 46 46 44 39 40 39 37 35 31 33 32 29 32 31 30 27 25
MIN/MAX RH 100 74 96 62 98
RH 73 79 93100 89 80 74 89 92 96 96 92 85 70 62 89 89 96 92 92
WIND DIR W W W W W NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD 3 4 5 5 5 8 6 8 8 8 8 8 6 6 5 5 5 5 4 5
WIND GUST 17 18 18 18 16 14 17
CLOUDS CL SC B1 B2 B2 B2 OV B2 B2 B2 OV B2 B2 OV OV B2 B2 B2 B2 B2
CLOUDS(%) 3 28 60 79 85 85 91 72 70 72 92 85 86 89 93 77 70 82 72 71
VSBY 10 10 8 9 9 5 4 8 8 9 4 5 5 10 10 10
POP 12HR 20 40 30 40 20
RAIN SHWRS IS IS SC SC SC SC SC SC SC IS IS
SNOWSHWRS SC IS IS
MIX HGT <1 <1 <1 <1 3 2 2 1 1 2 1 2 2 3 3 2
T WIND DIR W W W W W W NW NW NW NW NW NW NW NW NW NW
T WIND SPD 10 11 13 13 19 20 20 19 17 16 16 17 14 16 14 12
DISPERSION VP VP PR PR PR PR PR PR PR PR VP
ADI 5 5 9 15 43 41 43 22 19 18 18 30 31 41 36 8
MAX LVORI 3 4 6 5 4 3 3 4 4 5 5 4 4 3 1 5
STABILITY G F E D D D D D D D D D D D D E
CEILING None 2000 1200 400 400 400 500 500 600
STA PRES 27.01 26.88 26.86 26.88 26.91 26.92 26.96 27.00
Date 11/14Sun 11/15/26Mon 11/16/26Tue 11/17/26Wed 11/18/26
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 42 24 48 23 52 24 54 24 59
TEMP 39 33 29 26 44 33 28 25 47 36 30 26 50 37 30 26 56 40
DEWPT 25 26 25 23 25 27 25 23 27 28 26 23 28 29 26 22 27 28
RH 57 75 85 88 47 78 88 92 45 72 85 88 42 72 85 85 32 62
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 SC SC SC SC FW FW FW SC SC SC SC SC FW FW FW FW FW
POP 12HR 0 0 0 0 5 5 5 0 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
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