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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
101 AM EST Sat Nov 8 2025
VAZ012-090900-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
101 AM EST Sat Nov 8 2025
Date 11/07/25 Sat 11/08/25 Sun 11/09/25 Mon
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 46 65 41 61 24
TEMP 48 47 58 63 62 49 45 43 42 48 59 60 53 43 37 34 29 25
DEWPT 48 46 48 42 41 41 41 41 40 40 47 43 39 36 32 29 25 21
MIN/MAX RH 100 43 95 57 86
RH 100 96 69 46 46 74 86 93 93 74 64 53 59 76 82 82 85 84
WIND DIR W W W W W W SW SW SW SW W W W NW NW NW NW NW
WIND SPD 3 2 2 2 2 1 1 1 2 3 5 5 6 8 9 8 8 8
WIND GUST 16 18 19 18 19 19
CLOUDS B1 SC SC B2 SC FW FW SC B1 B1 B1 B1 B1 B2 B2 B2 B2 B2
CLOUDS(%) 61 34 44 74 41 8 16 43 54 59 64 60 66 81 83 73 73 71
VSBY 9 9 10 10 10 10 10 10 10 10 10 10 10 10 6 10 10
POP 12HR 100 0 5 40 50
RAIN C
RAIN SHWRS SC SC SC SC
SNOW C C C S
MIX HGT <1 <1 2 3 2 <1 <1 <1 <1 <1 3 4 4 2
T WIND DIR W W W W W SW SW SW SW SW W W W NW
T WIND SPD 11 12 9 14 10 3 3 3 4 5 14 20 19 21
DISPERSION VP VP VP VP VP PR PR PR PR
ADI 5 13 19 60 30 2 2 2 2 6 34 60 51 29
MAX LVORI 9 5 3 1 1 4 6 7 8 6 3 1 1 3
STABILITY F B B B B G G F F B D D D D
CEILING None None None None None 10100 600 700
STA PRES 27.01 27.09 27.07 27.07 27.04 27.05 27.10
Date 11/10Tue 11/11/25Wed 11/12/25Thu 11/13/25Fri 11/14/25
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 35 19 42 28 55 35 54 32 57
TEMP 35 25 23 20 41 32 32 32 54 44 40 36 54 43 37 33 57 45
DEWPT 15 14 13 12 15 16 16 19 29 33 33 29 27 27 27 27 30 32
RH 43 62 65 71 34 51 51 58 38 65 76 75 35 53 67 78 35 60
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B1 B1 SC SC FW SC FW FW FW FW SC SC FW FW FW FW FW
POP 12HR 30 30 5 0 0 5 0 0 5
SNOW S C C S
$$
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