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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
308 AM EST Sun Jan 11 2026
NCZ001-112100-
RAWS 310142
36.40N 81.46W Elev. 4608 ft
308 AM EST Sun Jan 11 2026
Date Sun 01/11/26 Mon 01/12/26 Tue 01/13/26
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 27 17 37 27 46
TEMP 33 27 26 22 19 20 19 18 17 19 26 34 36 31 28 27 28 29 37 45 43 37
DEWPT 31 22 21 15 9 10 11 12 13 12 11 10 11 11 10 11 13 14 17 21 23 23
MAX/MIN RH 64 82 34 54 38
RH 92 81 81 74 64 64 70 77 84 74 52 36 35 43 46 50 53 53 44 38 45 56
WIND DIR W W W NW NW NW NW NW NW NW W W W W W W W W W SW SW SW
WIND SPD 27 26 26 29 31 28 25 18 14 17 10 9 9 10 13 16 16 13 10 10 10 11
WIND GUST 40 39 42 43 47 41 37 32 25
CLOUDS B1 SC B2 B2 FW FW SC SC SC FW CL CL CL CL CL FW FW SC FW FW FW FW
CLOUDS(%) 64 26 84 82 25 24 45 46 28 11 5 5 4 3 4 7 17 32 6 13 8 21
VSBY 10 10 6 6 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 30 5 0 0 0
SNOW S C
MIX HGT 1 1 3 6 3 2 1 <1 <1 <1 <1 2 1 <1 <1 <1 <1 <1 <1 2 1 <1
T WIND DIR NW NW W NW NW NW NW NW NW NW NW W W W W W W W W W SW SW
T WIND SPD 28 28 33 42 35 35 34 24 16 9 5 11 11 6 8 8 8 8 10 18 10 8
DISPERSION GD GD GD GD GD FR FR GD GD FR
ADI 32 41 86136 79 48 39 22 14 10 4 25 17 5 7 7 7 9 9 43 19 5
MAX LVORI 4 3 4 3 1 1 3 3 4 3 2 2 2 2 2 2 2 2 2 1 2 3
STABILITY D D D D D D D D D D C C C E D D D D C C C E
CEILING 14200 None None None None None None None None None
STA PRES 26.64 26.73 26.83 26.86 26.88 26.81 26.79 26.76 26.74 26.62
Date Wed 01/14/26Thu 01/15/26Fri 01/16/26Sat 01/17/26
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 33 40 19 23 15 33 23 33
TEMP 37 34 38 35 30 20 20 18 16 18 29 26 28 26 32 30
DEWPT 22 24 27 29 24 16 10 7 6 7 14 16 19 19 19 20
RH 54 66 64 78 78 84 64 61 64 61 53 65 68 74 58 66
WIND SPD 15> 15> 15> 15> 15> <15 15> 15>
AVG CLOUDS FW B1 B2 B2 B2 B2 B1 B1 SC B1 B1 SC SC SC SC SC
POP 12HR 0 30 60 30 10 5 10 20
SNOW C L 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