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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 AM EST Wed Jan 14 2026
VAZ024-142100-
RAWS 441631
37.63N 79.51W Elev. 865 ft
701 AM EST Wed Jan 14 2026
Date Wed 01/14/26 Thu 01/15/26 Fri 01/16/26
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 54 22 32 17 39
TEMP 47 53 53 47 41 34 27 23 27 31 30 25 24 22 20 18 28 37 39 35
DEWPT 33 35 36 36 32 22 13 9 8 5 5 5 5 5 6 7 8 7 10 11
MAX/MIN RH 49 72 32 61 27
RH 58 50 52 65 70 61 55 54 44 32 34 42 43 47 54 61 42 28 30 36
WIND DIR SW SW SW W NW NW NW NW NW NW W W W W W SW SW S S S
WIND SPD 2 4 4 2 4 6 9 9 10 11 10 6 6 5 3 2 4 6 6 4
WIND GUST 13 18 24 27 28 27 27 27 25 23 19 14 14 18 19 17
CLOUDS B2 B2 OV OV B2 B1 FW FW SC FW SC FW CL CL FW FW SC B1 SC SC
CLOUDS(%) 80 85 96 92 85 55 25 12 29 20 29 17 5 3 7 15 47 64 46 35
VSBY 10 10 10 9 10 10 10 10 10 6 10 10 8 10 10 10 8 8 8 10
POP 12HR 20 30 5 0 5
RAIN SHWRS SC
MIX HGT 1 3 3 1 2 2 2 4 5 6 5 4 4 3 1 1 2 3 3 <1
T WIND DIR SW SW S S SW NW NW NW NW NW NW NW W W W W SW S SW S
T WIND SPD 3 6 9 5 5 28 33 31 31 29 29 32 34 31 20 13 9 13 19 11
DISPERSION VP VP PR PR PR PR PR VP VP
ADI 6 17 24 3 4 19 22109127 96128 14 15 14 9 23 25 32 60 5
MAX LVORI 3 2 2 3 3 2 2 1 1 1 1 2 2 2 2 2 2 1 1 2
STABILITY C D D F E E E C C D C F F F G B C D C F
CEILING 9500 10700 2100 None None None None None None None
STA PRES 28.17 28.03 27.96 28.04 28.14 28.18 28.28 28.36 28.43 28.40
Date Sat 01/17/26Sun 01/18/26Mon 01/19/26Tue 01/20/26
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 27 44 21 34 17 38 17 35
TEMP 30 29 43 34 26 21 34 27 20 17 36 31 23 18 33 28
DEWPT 17 22 24 20 14 10 7 9 8 9 10 12 10 9 6 7
RH 58 75 47 56 60 62 32 46 59 70 33 45 57 67 31 40
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 B1 SC SC SC SC SC FW FW SC SC SC SC FW FW
POP 12HR 10 30 10 20 5 10 5 0
RAIN C
SNOW 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