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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 AM EST Sat Dec 6 2025
VAZ020-062100-
RAWS 441801
37.99N 79.76W Elev. 2160 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 43 27 43 28 32
TEMP 33 42 41 33 30 29 28 27 36 41 42 37 35 33 32 28 30 32 31 26
DEWPT 27 27 26 23 24 23 23 24 27 30 31 29 27 26 26 26 22 18 14 13
MAX/MIN RH 51 89 61 90 49
RH 78 55 55 66 78 78 81 88 69 65 65 72 72 75 78 92 72 56 49 57
WIND DIR W W W W W W W W S S S W NW NW N N NE NE NE NE
WIND SPD 2 2 2 2 2 2 2 1 1 2 2 2 2 2 2 3 2 2 2 2
CLOUDS SC B1 SC FW FW B1 B2 B2 B2 B1 B1 SC SC B1 B1 B1 B1 B1 B1 SC
CLOUDS(%) 39 64 29 21 20 58 81 75 76 63 53 41 45 62 68 67 68 62 53 44
VSBY 9 10 10 7 7 7 7 7 7 7 7 4 4 2 2 4 4 5 5 10
POP 12HR 0 0 0 10 30
SNOW C C C C
MIX HGT 1 2 1 <1 <1 <1 <1 <1 <1 1 <1 <1 <1 <1 <1 <1 2 2 2 1
T WIND DIR W W W NW W NW W S S SW SW S W NW N N NE NE E E
T WIND SPD 9 14 16 11 9 4 2 1 5 5 4 1 2 3 3 2 10 11 9 6
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 14 38 30 5 4 2 1 1 5 10 4 1 1 2 2 2 21 30 23 3
MAX LVORI 4 1 2 3 4 4 5 7 3 2 3 4 3 4 4 7 3 1 2 3
STABILITY B C B G G F F C C C C F F F F C C C C F
CEILING None None None 1200 5800 None None 3400 1700 None
STA PRES 27.70 27.72 27.80 27.81 27.83 27.76 27.77 27.74 27.82 27.85
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 18 39 26 47 30 41 27 37
TEMP 23 19 36 34 31 27 44 40 36 31 39 35 32 28 36 29
DEWPT 11 12 19 20 20 23 29 29 26 24 23 21 21 23 23 18
RH 59 74 50 56 63 85 55 64 67 75 52 56 63 81 59 63
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC SC SC B1 B2 B1 B2 B1 SC B1 B1 B1 B1 B1
POP 12HR 5 0 0 20 30 30 40 20
RAIN S C C S C C S
SNOW C C C 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