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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 AM EST Fri Dec 5 2025
WVZ043-052100-
RAWS 465401
37.53N 81.00W Elev. 2725 ft
701 AM EST Fri Dec 5 2025
Date Fri 12/05/25 Sat 12/06/25 Sun 12/07/25
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 33 30 40 25 41
TEMP 27 29 31 32 31 32 31 31 34 39 39 32 30 28 27 27 33 39 40 35
DEWPT 26 27 29 31 31 31 31 30 32 31 31 29 28 26 25 26 30 33 34 33
MAX/MIN RH 88 100 71 98 78
RH 96 92 92 96100 96100 96 92 73 73 88 92 92 92 96 89 79 79 92
WIND DIR SE SE SE SW SW W W W W W W W W W SW SE SE S SW W
WIND SPD 5 4 2 1 1 2 2 3 5 6 5 3 2 2 2 2 2 4 4 4
CLOUDS OV OV OV OV OV OV B2 B2 B1 B1 SC SC SC B1 B1 B2 OV B2 B2 B1
CLOUDS(%) 94 96 93 92 94 94 85 78 68 64 50 41 35 53 61 80 88 81 71 69
VSBY 3 6 6 6 4 5 7 6 8 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 70 0 0 0 40
RAIN C C
SNOW C
MIX HGT 1 1 <1 <1 <1 <1 <1 <1 2 2 2 <1 <1 <1 <1 <1 1 2 1 <1
T WIND DIR SE S S E SE SW W W W W W W NW E S SE S S S SW
T WIND SPD 14 8 3 2 1 2 8 12 10 11 12 6 1 1 1 3 8 10 8 3
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 22 12 3 1 1 1 4 10 17 31 32 3 1 1 1 3 12 20 11 2
MAX LVORI 5 5 6 7 10 10 9 8 4 3 3 6 8 8 8 9 5 3 4 6
STABILITY D D C F F F F C D C C F G F F C C D D E
CEILING 500 1000 700 700 700 None None 900 0 700
STA PRES 27.62 27.53 27.52 27.52 27.53 27.52 27.58 27.59 27.57 27.51
Date Mon 12/08/25Tue 12/09/25Wed 12/10/25Thu 12/11/25
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 23 30 19 40 28 43 30 33
TEMP 31 24 28 23 21 20 38 32 30 30 41 37 37 31 32 27
DEWPT 30 23 21 17 16 18 24 25 24 25 28 30 32 28 24 19
RH 96 96 75 77 81 92 57 75 78 81 59 75 82 88 72 71
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B2 B2 SC SC SC SC FW SC B1 B2 B2 B2 B2 B2 B2
POP 12HR 50 20 10 5 5 20 50 40
RAIN C S L C C
SNOW C C S S 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