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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
417 AM EST Fri Jan 16 2026
VAZ018-162100-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
417 AM EST Fri Jan 16 2026
Date Fri 01/16/26 Sat 01/17/26 Sun 01/18/26
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 41 28 45 25 30
TEMP 18 27 38 40 32 31 29 29 31 40 45 43 35 33 31 28 25 27 30 29 24
DEWPT 5 2 1 7 9 12 15 19 24 29 30 27 25 24 22 18 14 11 9 7 7
MAX/MIN RH 20 78 52 71 39
RH 56 33 20 25 37 45 55 66 75 64 55 53 66 69 69 66 62 50 41 39 47
WIND DIR W SW SW S SW SW SW SW SW SW W W W W W W W W W W W
WIND SPD 3 4 5 5 4 3 2 2 3 5 8 6 3 3 5 6 6 6 6 6 3
WIND GUST 17 16 19 19 17 17 14 14 16 20 24 21 17 19 21 24 24 21 19 20 17
CLOUDS SC B1 B1 SC B1 B1 B1 B2 B2 B2 SC B1 SC B1 B2 B2 B1 B1 B1 SC FW
CLOUDS(%) 42 61 59 44 55 52 62 75 77 71 50 56 42 55 77 77 60 54 52 38 22
VSBY 10 10 10 10 10 10 10 7 4 4 10 10 10 10 7 7 10 10 10 10 10
POP 12HR 0 30 40 20 10
RAIN S C
SNOW S C C S S
MIX HGT <1 1 2 2 <1 <1 <1 <1 <1 2 5 5 <1 <1 2 2 2 3 3 3 <1
T WIND DIR W W S S S S S S SW SW W W W W W W W W W W W
T WIND SPD 9 11 9 13 10 11 8 9 8 8 21 18 9 13 14 13 11 13 17 16 18
DISPERSION VP VP VP VP VP VP PR PR VP
ADI 10 18 18 39 7 5 4 4 6 14 91 56 4 6 10 9 24 34 44 55 8
MAX LVORI 2 2 2 1 2 2 3 3 4 2 1 1 3 3 3 3 2 1 1 1 2
STABILITY B D D C E F F F C D C D F F E E D D D C G
CEILING 13700 None None 6300 2300 None 5700 4500 None None
STA PRES 27.67 27.67 27.68 27.67 27.74 27.79 27.85 27.81 27.78 27.70
Date Mon 01/19/26Tue 01/20/26Wed 01/21/26Thu 01/22/26
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 20 34 11 26 15 44 31 47
TEMP 23 22 33 25 16 11 24 21 18 20 41 36 35 34 46 37
DEWPT 8 8 10 3 -3 -6 -7 -6 -3 2 12 16 20 24 28 27
RH 52 54 38 38 42 45 24 29 38 45 30 43 54 66 49 67
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW SC SC FW FW CL CL CL FW FW FW SC B1 B1 B1
POP 12HR 0 5 0 0 0 5 20 20
RAIN S S S
SNOW 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