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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 AM EST Sat Dec 6 2025
NCZ003-062100-
RAWS 310301
36.48N 80.86W Elev. 1300 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 48 28 49 32 39
TEMP 39 47 47 37 33 31 29 28 39 46 47 42 39 38 36 32 36 38 37 31
DEWPT 36 36 36 33 30 28 28 27 33 36 37 36 34 34 33 32 33 31 29 26
MAX/MIN RH 62 97 64 100 71
RH 89 65 65 85 89 88 96 96 79 68 68 79 82 85 89100 89 76 72 81
WIND DIR SW SW SW W NW NW NW N S S S N NW NW N N NE NE NE NE
WIND SPD 1 2 2 1 1 1 1 0 1 3 2 0 1 1 2 2 3 4 3 2
CLOUDS OV B2 SC FW FW SC B1 B1 B1 B1 SC SC SC B1 B2 B2 B2 B2 B2 B1
CLOUDS(%) 90 76 36 8 16 34 64 65 68 61 43 39 50 67 73 86 85 86 73 64
VSBY 8 10 10 10 9 6 7 9 6 6 6 10 10 9 8 3 3 4 3 10
POP 12HR 0 0 0 20 50
RAIN S S C C S
SNOW S C C C
MIX HGT 1 3 2 <1 <1 <1 <1 <1 1 2 2 <1 <1 <1 <1 <1 2 2 2 1
T WIND DIR W W W NW NW N NW NW S SW S SW NW NW N NE NE E NE NE
T WIND SPD 4 8 6 3 4 3 2 2 3 6 3 2 2 3 3 2 2 10 10 8
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 8 28 14 2 2 2 1 2 6 20 7 1 1 2 2 2 5 20 26 4
MAX LVORI 5 3 3 6 6 7 8 8 4 3 3 5 5 6 6 10 6 3 3 5
STABILITY B B B G G G F B C C B G F F F C C D C F
CEILING 10300 None None 22300 17700 None None 4200 2500 500
STA PRES 28.02 28.03 28.10 28.12 28.13 28.06 28.05 28.02 28.08 28.13
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 19 42 25 50 30 49 30 45
TEMP 26 20 38 35 31 26 47 42 37 31 46 41 37 31 43 36
DEWPT 19 17 25 25 25 25 33 34 31 27 29 31 31 29 31 26
RH 74 88 59 66 78 96 58 73 79 85 51 67 79 92 62 67
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B2 B1 B1
POP 12HR 10 0 0 5 20 20 40 20
RAIN S S 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