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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
901 PM EST Sun Jan 11 2026
VAZ012-120900-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
901 PM EST Sun Jan 11 2026
Date 01/11/26 Mon 01/12/26 Tue 01/13/26 Wed
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
MIN/MAX TEMP 19 43 26 52 36
TEMP 23 22 21 20 30 41 41 34 31 29 26 27 37 49 52 47 39 38 36 37
DEWPT 13 15 15 14 16 14 15 15 16 16 16 17 18 20 21 22 23 25 25 26
MIN/MAX RH 79 32 68 29 66
RH 65 74 77 77 55 33 34 45 53 58 65 65 46 31 29 37 52 59 64 64
WIND DIR NW NW W W W W W W W W W W W SW SW SW W W W W
WIND SPD 11 8 5 5 5 5 5 5 6 6 5 5 8 10 9 9 10 11 11 10
WIND GUST 21
CLOUDS B1 B2 SC FW FW FW FW CL FW SC SC FW FW SC FW SC SC SC SC B1
CLOUDS(%) 68 73 48 21 12 6 6 4 9 27 31 18 18 28 24 27 29 43 49 57
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 20 0 0 0 5
SNOWSHWRS
MIX HGT 3 2 1 <1 1 2 2 <1 <1 <1 <1 <1 1 2 2 <1
T WIND DIR NW NW W W W W W W W W W W W SW SW SW
T WIND SPD 28 19 12 10 8 12 12 6 8 6 6 5 11 19 16 10
DISPERSION FR PR PR PR PR PR PR PR FR FR FR
ADI 39 26 8 12 10 31 30 3 4 3 3 4 17 43 36 7
MAX LVORI 3 3 4 4 2 1 2 2 2 3 3 3 2 1 1 2
STABILITY D D E C C C C F F F F C C C C E
CEILING None None None None None None None None
STA PRES 27.46 27.48 27.40 27.39 27.36 27.31 27.17
Date 01/14Thu 01/15/26Fri 01/16/26Sat 01/17/26Sun 01/18/26
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MAX/MIN TEMP 45 23 31 13 34 19 38 19 31
TEMP 45 44 35 23 29 23 19 16 29 27 24 21 34 30 25 20 28 23
DEWPT 30 32 29 18 11 8 7 6 10 13 15 16 19 19 20 16 12 10
RH 55 62 78 81 46 52 59 64 44 55 68 81 54 63 81 84 50 57
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B2 OV OV B1 B1 B1 B1 SC SC SC SC B1 B1 B1 B2 B1 B1
POP 12HR 20 90 60 20 5 5 20 40 30
RAIN S
RAIN SHWRS IS O
SNOW D L C S 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