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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
901 AM EST Sun Jan 11 2026
VAZ012-112100-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
901 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 34 19 43 26 52
TEMP 32 32 28 28 26 25 22 19 30 41 43 34 29 28 27 26 40 49 51 42
DEWPT 23 16 11 11 13 14 15 14 16 14 14 16 16 17 16 16 19 21 22 23
MAX/MIN RH 48 79 29 67 31
RH 69 51 48 48 57 62 74 80 55 33 30 47 58 63 63 65 42 33 32 46
WIND DIR W NW NW NW NW NW W W W W W W W W W W W SW SW SW
WIND SPD 14 18 16 18 14 13 10 3 3 3 3 2 3 3 3 3 3 4 4 3
WIND GUST 32 37 32 31 31
CLOUDS B1 B2 SC SC B1 B1 SC SC CL FW CL CL CL FW FW SC FW FW FW SC
CLOUDS(%) 64 85 31 41 54 52 44 30 4 7 3 3 5 11 25 27 7 20 22 28
VSBY 5 5 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 40 5 0 0 0
SNOW C C
MIX HGT 4 5 4 3 2 2 1 <1 1 2 2 <1 <1 <1 <1 <1 1 2 2 <1
T WIND DIR W W NW NW NW NW W W W W W W W W W W W SW SW SW
T WIND SPD 29 37 32 33 28 21 16 10 8 13 13 9 8 8 8 8 13 20 14 10
DISPERSION GD GD FR FR VP VP VP VP VP
ADI 85117 86 45 39 24 18 11 12 35 33 4 4 4 4 8 22 51 34 5
MAX LVORI 1 1 1 1 1 2 3 4 2 1 1 2 3 3 3 3 2 1 1 2
STABILITY D D D D D D D B B B B G G G G B B C C G
CEILING None None None None None None None None None
STA PRES 27.33 27.43 27.45 27.46 27.38 27.36 27.33 27.30 27.15
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 34 46 21 31 15 39 22 40
TEMP 37 34 45 38 30 22 28 21 17 18 36 31 27 25 40 31
DEWPT 25 26 29 30 25 17 11 8 8 8 15 17 20 20 19 20
RH 61 72 53 73 81 81 48 56 67 64 42 56 74 81 42 63
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 B2 B2 B2 B2 B1 B1 B1 B1 B1 SC SC B1 B1 B1
POP 12HR 5 40 80 40 20 10 20 20
RAIN C D
SNOW D L C S S S 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