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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 AM EST Mon Jan 19 2026
VAZ012-192100-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
701 AM EST Mon Jan 19 2026
Date Mon 01/19/26 Tue 01/20/26 Wed 01/21/26
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 33 8 27 11 46
TEMP 25 31 31 23 19 14 12 9 18 25 27 20 15 13 13 15 30 43 45 36
DEWPT 10 8 4 -1 -1 -3 -4 -6-10-11 -9 -6 -3 1 1 2 5 10 13 16
MAX/MIN RH 30 51 19 59 25
RH 52 37 31 34 40 46 48 49 27 19 20 30 44 58 58 55 34 25 27 43
WIND DIR W W W W W NW W W W W W W SW SW S S S S SW SW
WIND SPD 6 6 6 5 5 4 4 5 5 5 4 2 2 1 1 2 2 4 4 3
WIND GUST 20 20 19 16 17 16 14
CLOUDS SC CL CL FW CL CL CL CL CL FW CL CL CL CL FW CL FW FW B1 B1
CLOUDS(%) 27 4 5 6 4 4 5 5 5 7 5 4 4 4 7 5 12 19 58 58
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT 3 3 4 1 1 1 1 1 2 3 3 <1 <1 <1 <1 <1 1 3 3 1
T WIND DIR W W W W W W W W W W W W W SW S S S S S S
T WIND SPD 28 29 29 21 24 19 17 19 23 21 18 8 8 4 3 4 11 11 13 9
DISPERSION PR PR VP VP VP VP VP VP VP
ADI 86101107 10 11 9 8 24 64 75 64 4 4 2 2 5 20 38 35 4
MAX LVORI 1 1 1 2 2 2 2 2 1 1 1 2 2 3 3 3 2 1 1 2
STABILITY C C C F F F F C C C C G G G G B B C D F
CEILING None None None None None None None None None None
STA PRES 27.17 27.22 27.30 27.35 27.44 27.48 27.51 27.47 27.42 27.33
Date Thu 01/22/26Fri 01/23/26Sat 01/24/26Sun 01/25/26
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 28 41 19 41 16 26 12 29
TEMP 31 32 41 33 25 20 40 30 25 17 24 21 17 12 25 22
DEWPT 21 27 25 20 16 13 11 13 14 9 4 2 6 5 8 9
RH 66 81 52 58 68 74 30 49 62 70 41 43 61 73 48 57
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 B1 SC SC SC B1 B1 B1 B2 B2 B2 B2 B2 B2 B1
POP 12HR 30 30 10 30 50 50 60 50
RAIN C
SNOW C S C C C C C C L C C
$$
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