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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 PM EST Wed Jan 14 2026
VAZ024-150900-
RAWS 441631
37.63N 79.51W Elev. 865 ft
701 PM EST Wed Jan 14 2026
Date 01/14/26 Thu 01/15/26 Fri 01/16/26 Sat
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 22 32 18 41 29
TEMP 43 35 29 24 27 29 28 26 23 22 20 19 28 38 40 36 33 32 30 30
DEWPT 34 22 14 9 7 4 4 6 6 6 6 7 8 8 10 13 14 17 21 23
MIN/MAX RH 71 34 59 27 73
RH 70 59 53 52 42 34 35 42 47 49 54 59 42 28 28 38 45 53 69 75
WIND DIR W NW W NW NW W W W W W W SW SW S S S SW S S S
WIND SPD 5 12 12 11 11 13 12 9 9 6 4 3 4 6 6 3 3 2 2 2
WIND GUST 27 28 27 28 28 28 26 24 19 14 18 19 16
CLOUDS OV SC FW FW FW SC SC FW FW FW FW FW B1 B1 SC SC B1 B2 B1 B2
CLOUDS(%) 100 48 11 14 20 34 49 19 11 8 7 12 52 60 36 28 65 70 62 73
VSBY 10 10 10 10 10 9 10 10 8 10 10 10 8 9 9 10 9 10 10 10
POP 12HR 20 5 0 0 20
FLURRIES IS
RAIN C
RAIN SHWRS
SNOW S S C
MIX HGT 1 3 2 4 5 6 6 4 4 2 1 1 2 3 2 <1
T WIND DIR W NW NW NW NW W W NW NW W W W SW S S S
T WIND SPD 13 33 31 31 31 27 29 34 31 21 14 5 9 14 18 10
DISPERSION PR FR FR PR PR PR VP VP VP VP VP
ADI 15 45 35 83 91 88 96 23 21 10 7 8 19 36 52 5
MAX LVORI 3 1 1 1 1 1 1 2 2 2 2 2 2 1 1 2
STABILITY D D D D D D D E E F F B D D C G
CEILING 3000 None None None None None None None 4600
STA PRES 28.02 28.11 28.18 28.20 28.29 28.37 28.42 28.41
Date 01/17Sun 01/18/26Mon 01/19/26Tue 01/20/26Wed 01/21/26
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 46 22 33 15 37 14 32 14 41
TEMP 45 36 29 22 32 25 19 16 35 30 21 15 31 23 17 15 37 33
DEWPT 27 23 18 13 9 7 4 5 8 9 7 5 2 0 0 1 6 12
RH 49 59 63 68 37 46 51 61 32 41 54 64 28 36 46 53 27 41
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 B1 B1 B1 SC FW FW FW SC FW SC FW FW CL FW FW FW
POP 12HR 30 20 20 0 0 5 0 0 0
RAIN C S
SNOW 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