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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1001 AM EST Fri Feb 20 2026
VAZ018-202100-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
1001 AM EST Fri Feb 20 2026
Date Fri 02/20/26 Sat 02/21/26 Sun 02/22/26
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 62 39 56 36 39
TEMP 61 58 50 45 43 41 41 47 52 55 48 43 41 38 37 38 39 37 34
DEWPT 40 32 27 27 28 29 29 30 30 29 29 29 30 31 31 29 27 23 19
MAX/MIN RH 36 65 37 78 55
RH 46 37 41 49 55 62 62 51 43 37 47 57 65 76 79 70 62 56 54
WIND DIR W W W W W W W W W W NW NW N N NW NW NW NW NW
WIND SPD 17 19 16 16 13 12 8 8 8 6 3 3 3 4 6 10 13 16 17
WIND GUST 34 35 27 26 24 23 26 24 19 17 13 14 18 23 28 31 33 36
CLOUDS SC CL FW FW SC B1 B1 SC FW FW SC SC B1 B2 OV B2 B2 B2 B2
CLOUDS(%) 26 3 10 9 34 55 62 45 25 20 33 49 68 82 90 84 80 78 71
VSBY 10 10 7 7 7 7 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 80 5 10 60 40
RAIN C L C S C S
SNOW S C
MIX HGT 6 5 2 2 1 1 <1 2 2 3 <1 <1 <1 1 2 3 4 4 3
T WIND DIR W W W W W W W W NW NW W NW NW NW NW NW NW NW NW
T WIND SPD 41 44 16 14 13 20 13 21 16 5 1 9 9 9 12 14 23 24 26
DISPERSION GD GD FR FR VP VP VP VP GD
ADI 133135 22 17 12 19 15 47 41 19 1 4 4 6 22 36 60 68 36
MAX LVORI 1 1 2 2 2 2 2 1 1 2 2 3 3 3 3 3 1 1 1
STABILITY D D D D D D C B B B G F F E D D D D D
CEILING None None None None None None 3300 2800 1700
STA PRES 27.49 27.61 27.67 27.72 27.70 27.74 27.70 27.71 27.68
Date Mon 02/23/26Tue 02/24/26Wed 02/25/26Thu 02/26/26
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 26 36 23 39 27 51 39 52
TEMP 30 27 35 29 27 24 37 32 29 31 50 43 43 41 51 42
DEWPT 18 16 17 15 15 13 14 15 17 19 26 29 33 35 38 31
RH 60 63 47 55 60 62 38 49 60 61 39 57 67 79 61 65
WIND SPD 15> <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B2 B2 B2 B1 B1 SC SC SC B1 B2 B2 B2 B2 B2 B1
POP 12HR 40 20 10 0 0 10 50 40
RAIN C C C C
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