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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EST Mon Jan 12 2026
VAZ024-122100-
RAWS 441631
37.63N 79.51W Elev. 865 ft
801 AM EST Mon Jan 12 2026
Date Mon 01/12/26 Tue 01/13/26 Wed 01/14/26
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 47 27 55 35 55
TEMP 36 45 47 38 34 31 29 28 39 52 54 46 40 38 35 36 45 53 54 48
DEWPT 19 18 18 20 19 19 19 20 24 27 30 28 27 27 28 29 33 35 37 36
MAX/MIN RH 31 71 37 77 49
RH 50 33 31 48 54 61 66 71 54 38 40 49 59 64 75 75 62 50 52 63
WIND DIR W W W W SW SW SW SW SW SW S S SW SW W W SW SW SW W
WIND SPD 3 4 4 2 2 2 2 2 2 4 4 3 2 2 2 2 2 5 4 2
WIND GUST 13 12
CLOUDS CL CL FW FW CL FW SC FW FW FW FW SC SC SC SC B1 B2 B2 B2 B2
CLOUDS(%) 4 5 7 17 3 11 27 19 12 15 23 26 30 27 35 63 76 75 84 78
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 7 7 6
POP 12HR 0 0 0 0 30
RAIN C C C
MIX HGT 2 3 3 <1 <1 <1 <1 <1 1 2 2 <1 <1 <1 <1 <1 1 3 3 <1
T WIND DIR W W W W W W W W W SW SW S S SW SW W W W W W
T WIND SPD 11 9 13 4 4 4 4 3 6 10 13 6 6 5 5 6 16 16 13 9
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 27 28 42 2 2 2 2 4 12 29 32 3 3 3 3 5 25 41 36 4
MAX LVORI 2 2 1 2 2 3 3 3 2 2 1 2 3 3 3 4 2 1 1 3
STABILITY B C C G G G G B B C C G G G G C C D D F
CEILING None None None None None None None 7300 4700
STA PRES 28.69 28.68 28.65 28.61 28.45 28.34 28.24 28.20 28.15
Date Thu 01/15/26Fri 01/16/26Sat 01/17/26Sun 01/18/26
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 31 38 18 38 22 43 20 34
TEMP 40 32 37 29 22 18 35 32 25 24 41 35 27 21 33 23
DEWPT 34 26 17 12 8 7 8 12 15 17 20 20 17 15 9 6
RH 79 78 44 48 54 61 32 43 65 74 42 54 65 77 36 47
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B2 B1 B1 SC FW SC SC FW SC B1 B1 SC SC SC SC
POP 12HR 60 40 20 5 10 20 20 20
RAIN C L C C S
SNOW C C 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