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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 AM EST Wed Dec 3 2025
WVZ043-032100-
RAWS 465401
37.53N 81.00W Elev. 2725 ft
701 AM EST Wed Dec 3 2025
Date Wed 12/03/25 Thu 12/04/25 Fri 12/05/25
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 38 25 34 23 35
TEMP 28 36 37 29 27 27 26 26 31 33 32 27 24 24 25 26 29 32 34 32
DEWPT 22 23 22 22 22 23 22 23 25 25 23 22 21 20 20 22 25 28 29 29
MAX/MIN RH 54 89 69 86 80
RH 78 59 54 75 81 85 85 88 78 72 69 81 88 84 81 85 85 85 82 88
WIND DIR W W W W W W W W W NW NW NW N E SE SE SE S S SE
WIND SPD 2 3 4 2 2 2 3 4 8 10 8 4 2 2 3 5 5 5 4 2
CLOUDS B2 SC FW FW FW SC FW SC B1 B2 B2 B2 B2 B2 B2 OV OV OV OV OV
CLOUDS(%) 87 34 10 7 6 34 6 39 68 79 70 71 71 76 81 88 94 95 90 93
VSBY 10 10 10 10 10 10 10 10 10 8 10 10 10 10 10 10 8 4 2 1
POP 12HR 0 0 0 40 60
FRZG RAIN C
RAIN L C
SLEET C
SNOW C C L L
MIX HGT 2 2 2 <1 <1 <1 <1 <1 2 3 2 <1 <1 <1 <1 <1 1 2 1 <1
T WIND DIR W W W W W W W W W NW NW NW NE SE SE SE S S S SE
T WIND SPD 5 4 6 3 3 4 5 12 16 17 11 8 3 6 10 10 11 9 4 3
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 12 12 15 2 2 2 3 10 31 39 21 5 2 3 5 12 19 17 6 2
MAX LVORI 4 2 2 4 5 5 6 5 3 3 3 5 6 5 4 4 4 3 4 7
STABILITY C B C G G G G C D D D E F F F D D D D F
CEILING 800 None None None 3200 1200 17100 13100 900 1500
STA PRES 27.67 27.66 27.70 27.70 27.75 27.77 27.76 27.71 27.69 27.59
Date Sat 12/06/25Sun 12/07/25Mon 12/08/25Tue 12/09/25
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 31 39 27 38 26 34 23 39
TEMP 32 32 38 33 30 28 37 32 30 27 32 29 26 25 37 32
DEWPT 30 32 34 31 28 27 30 29 26 26 26 24 22 22 26 26
RH 92100 85 92 92 96 75 88 85 96 78 81 85 88 64 78
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS OV B2 B2 B2 B2 B2 B2 B1 B2 B2 B2 B2 B1 B1 B1 B1
POP 12HR 30 20 20 10 40 30 20 20
FRZG RAIN C
RAIN S S S S S
SLEET C S
SNOW S S C C S 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