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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1231 PM EST Sat Jan 10 2026
VAZ012-102100-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
1231 PM EST Sat Jan 10 2026
Date Sat 01/10/26 Sun 01/11/26 Mon 01/12/26
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 61 29 36 18 43
TEMP 59 60 55 50 42 34 30 34 33 30 25 24 22 20 19 31 40 42 34
DEWPT 54 53 51 47 38 28 21 21 14 11 12 13 15 14 14 15 12 13 15
MAX/MIN RH 81 89 43 83 28
RH 83 78 86 89 86 78 69 58 45 44 57 62 74 77 80 51 31 30 45
WIND DIR S W W W NW NW W W W NW NW NW NW W W W W W W
WIND SPD 3 3 3 5 6 12 11 14 19 18 17 16 5 4 3 3 3 3 2
WIND GUST 17 17 13 17 21 28 34 33 29 26 16
CLOUDS OV OV B2 B2 OV SC B1 B1 B1 SC SC SC SC SC FW FW CL CL FW
CLOUDS(%) 88 88 86 87 89 43 54 58 67 41 30 42 44 30 15 6 5 4 6
VSBY 3 6 7 5 4 10 10 5 4 7 10 10 10 10 10 10 10 10 10
POP 12HR 100 60 40 5 0
RAIN D L C C
SNOW C C S
MIX HGT 1 2 <1 1 2 2 2 4 5 4 2 2 2 1 <1 1 3 3 <1
T WIND DIR SW W W W NW W W W W NW NW NW NW NW W W W W SW
T WIND SPD 10 10 6 16 25 24 20 40 42 37 33 32 26 19 11 12 12 14 9
DISPERSION VP PR PR FR GD GD PR VP VP
ADI 18 24 3 11 17 27 37115130103 45 43 18 9 13 24 41 47 4
MAX LVORI 4 3 6 5 4 3 3 1 1 1 1 1 3 4 4 2 1 1 2
STABILITY C C F E E D D D D D D D E F B B B B G
CEILING 700 700 None 14900 None None None None None
STA PRES 27.13 27.16 27.18 27.21 27.30 27.40 27.44 27.47 27.38
Date Tue 01/13/26Wed 01/14/26Thu 01/15/26Fri 01/16/26
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 25 52 35 47 23 33 16 38
TEMP 28 26 51 40 38 35 46 38 32 24 31 25 19 19 37 32
DEWPT 17 17 20 23 25 27 29 30 27 20 15 13 12 10 12 18
RH 63 68 29 50 59 72 51 73 81 84 51 60 74 67 35 56
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW FW SC B1 B2 B2 B2 B2 B2 B1 SC SC SC SC
POP 12HR 0 0 10 40 60 40 20 10
RAIN C C L L
SNOW S L 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