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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 AM EST Sat Dec 6 2025
WVZ043-062100-
RAWS 465401
37.53N 81.00W Elev. 2725 ft
701 AM EST Sat Dec 6 2025
Date Sat 12/06/25 Sun 12/07/25 Mon 12/08/25
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 39 25 42 28 29
TEMP 33 38 38 30 28 27 26 25 34 39 40 36 34 33 32 28 29 29 28 26
DEWPT 30 29 29 26 26 25 25 25 30 32 33 32 31 31 30 28 27 25 23 21
MAX/MIN RH 66 100 72 99 79
RH 89 70 70 85 92 92 96100 85 76 76 85 89 92 92100 92 85 81 81
WIND DIR W W W W W SW S S SE S SW W NW NW N N N N N N
WIND SPD 5 6 5 3 2 2 2 2 2 3 3 2 2 2 3 4 5 5 5 3
CLOUDS B1 B1 FW SC SC B1 B2 OV B2 B2 B1 B1 B1 B2 B2 B2 OV B2 B1 B1
CLOUDS(%) 56 63 13 28 44 68 82 88 80 77 60 58 64 80 86 86 89 83 67 62
VSBY 8 10 10 10 10 10 9 9 10 10 10 8 8 4 4 3 3 3 3 7
POP 12HR 0 0 10 30 50
RAIN S S C
SNOW C C C C C C S
MIX HGT 1 2 2 <1 <1 <1 <1 <1 <1 2 <1 <1 <1 1 1 1 1 2 1 <1
T WIND DIR W W W NW W W S SE SE SW SW S SW NW NW N N NE N NW
T WIND SPD 10 16 14 14 10 3 3 3 4 4 5 1 3 5 6 4 5 3 2 4
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 18 34 34 7 5 2 2 3 4 9 6 1 2 3 3 7 8 6 3 2
MAX LVORI 5 3 3 5 6 7 8 9 5 3 4 6 6 8 6 8 6 5 4 5
STABILITY C D C G F F F C C C C F F F F D D D D F
CEILING 11200 None None 300 100 7400 2100 1000 100 100
STA PRES 27.54 27.56 27.62 27.61 27.62 27.55 27.57 27.56 27.61 27.65
Date Tue 12/09/25Wed 12/10/25Thu 12/11/25Fri 12/12/25
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 20 38 29 43 29 38 26 33
TEMP 23 21 36 34 32 29 41 37 34 29 36 33 30 26 32 26
DEWPT 18 19 24 24 24 25 32 31 28 26 26 25 26 26 26 21
RH 81 92 61 66 72 85 70 79 78 88 67 72 85100 78 81
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 SC SC SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1
POP 12HR 20 0 5 20 60 40 60 30
RAIN S L C C C
SNOW S L C C L C C C
$$
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