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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
301 PM EST Wed Nov 12 2025
VAZ018-130900-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
301 PM EST Wed Nov 12 2025
Date 11/12/25 Thu 11/13/25 Fri 11/14/25 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 39 56 35 61 45
TEMP 55 46 44 42 40 40 49 55 53 43 41 38 37 36 51 60 58 49 47 47 47 47
DEWPT 31 32 31 30 29 28 31 28 26 27 27 26 26 27 30 29 30 31 34 37 39 42
MIN/MAX RH 65 34 70 29 82
RH 40 58 60 62 64 62 50 35 35 53 57 62 64 69 44 31 34 50 60 68 74 83
WIND DIR W W W NW NW NW NW NW NW W W W W W W W W W W W W W
WIND SPD 10 10 10 9 8 8 10 10 8 5 4 4 3 3 3 5 4 2 2 2 3 3
WIND GUST 32 31 33 29 29 29 29 26 24 20 19 16 14 12 13 13 13
CLOUDS CL CL CL FW SC FW CL FW FW FW FW FW FW FW FW FW FW SC B1 B1 B1 B1
CLOUDS(%) 3 3 4 10 26 25 4 16 13 14 12 8 8 9 8 14 24 41 59 60 58 57
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 9 9 9 9 9 10 9 7
POP 12HR 0 0 0 0 20
RAIN SHWRS IS
MIX HGT 3 1 <1 1 <1 <1 3 4 3 <1 <1 <1 <1 <1 2 3 2 <1
T WIND DIR W W W W W W NW NW NW W W W W W W W W W
T WIND SPD 32 12 13 12 10 10 32 29 24 9 8 8 8 5 12 21 19 12
DISPERSION FR FR PR PR PR VP VP VP VP VP VP VP
ADI 112 8 9 8 7 11 99105 91 4 4 4 4 6 28 81 52 6
MAX LVORI 1 2 2 3 3 2 1 1 1 2 3 3 3 3 2 1 1 2
STABILITY C E E E E B C C B F F F G B B B B F
CEILING None None None None None None None None None
STA PRES 27.73 27.78 27.84 27.84 27.88 27.89 27.90 27.79
Date 11/15Sun 11/16/25Mon 11/17/25Tue 11/18/25Wed 11/19/25
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 67 55 63 37 56 37 57 42 59
TEMP 65 58 57 57 61 48 42 38 55 42 39 38 56 45 45 42 58 47
DEWPT 53 50 48 49 42 30 24 22 24 24 25 29 40 38 38 38 42 41
RH 65 75 72 75 49 49 48 52 30 48 57 70 55 76 76 86 55 79
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B2 B1 B1 SC FW FW FW FW FW SC B1 B1 B1 B1 B1 SC B1
POP 12HR 5 30 20 5 5 20 30 30 20
RAIN C S S C C C S 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