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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 AM EST Sat Dec 6 2025
VAZ046-062100-
RAWS 441101
37.39N 78.80W Elev. 804 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 45 25 46 28 34
TEMP 36 44 44 36 33 29 26 25 36 43 44 39 36 34 33 28 32 33 32 27
DEWPT 33 34 34 33 29 26 25 24 31 34 34 33 31 30 29 28 27 22 18 16
MAX/MIN RH 67 97 64 100 54
RH 89 68 68 89 85 88 96 96 82 70 68 79 82 85 85100 81 63 56 63
WIND DIR W W W SW W W N NE E S S SW W NW N NE NE NE NE NE
WIND SPD 5 5 5 3 3 2 2 2 2 4 3 2 2 3 5 9 10 10 9 5
WIND GUST 21
CLOUDS OV B1 SC FW CL FW FW B2 B1 B1 B1 SC SC B1 B2 B2 B2 B2 B1 SC
CLOUDS(%) 94 53 42 11 5 24 25 70 64 60 63 45 33 58 74 76 75 71 59 44
VSBY 3 10 10 10 10 9 8 5 2 10 10 10 10 10 9 5 5 5 5 10
POP 12HR 0 0 0 5 30
SNOW C C C C
MIX HGT <1 2 <1 <1 <1 <1 <1 <1 <1 2 1 <1 <1 <1 <1 1 2 3 3 <1
T WIND DIR W W W SW W NW NW NW E S S SW W NW W NE NE NE NE NE
T WIND SPD 5 9 9 3 3 3 2 1 9 8 6 1 2 2 1 3 21 21 18 17
DISPERSION VP VP VP VP VP VP VP PR PR
ADI 7 19 9 2 2 2 1 1 10 14 10 1 1 1 1 5 44 49 42 12
MAX LVORI 5 3 3 6 6 6 7 9 4 3 3 6 5 5 6 9 3 1 1 2
STABILITY D C C G G G G C B D C F G F E D D D D E
CEILING 300 None None None 10500 None None 5200 3400 None
STA PRES 29.25 29.24 29.33 29.37 29.39 29.30 29.29 29.27 29.37 29.43
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 16 39 27 49 32 48 29 43
TEMP 22 17 36 34 31 28 46 42 38 33 45 40 36 30 41 34
DEWPT 12 11 18 22 25 28 34 35 31 27 29 29 29 28 29 26
RH 65 77 47 61 78100 63 76 76 78 53 64 75 92 62 72
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC FW FW SC SC B1 B1 B1 SC SC SC B1 B1 B1 B1 B1
POP 12HR 5 0 0 5 20 20 30 20
RAIN 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