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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 PM EST Fri Feb 20 2026
VAZ018-202100-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
131 PM 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 63 39 57 37 40
TEMP 59 51 45 42 40 40 46 55 56 46 43 42 39 37 39 39 37 32
DEWPT 31 27 26 27 28 27 28 29 28 27 28 29 33 33 31 28 22 18
MAX/MIN RH 36 60 34 86 55
RH 34 39 47 55 62 59 49 37 34 47 55 60 79 85 73 64 54 56
WIND DIR W W W W W W NW W NW NW NW NW NW NW NW NW NW NW
WIND SPD 19 10 10 10 8 6 6 5 4 2 2 2 3 4 8 10 11 12
WIND GUST 35 36 35 33 31 26 24 18 16 13 16 20 26 28 34 40
CLOUDS CL CL CL FW SC B1 SC SC FW SC B1 B2 OV B2 B2 B2 B2 B2
CLOUDS(%) 0 3 4 23 50 52 45 29 22 30 55 77 88 82 74 79 73 71
VSBY 10 7 7 7 7 10 10 10 10 10 10 9 5 7 6 3 7 10
POP 12HR 70 5 10 60 50
RAIN S S L
SNOW L L C C C C C
MIX HGT 5 2 1 <1 <1 <1 1 2 2 <1 <1 <1 <1 1 3 4 4 3
T WIND DIR W W W W W NW NW W W W NW NW NW NW NW NW NW NW
T WIND SPD 41 16 12 12 17 11 10 13 6 3 5 4 11 16 16 25 29 34
DISPERSION FR FR FR PR VP VP VP VP FR
ADI 126 11 8 8 15 12 20 38 21 2 3 2 5 25 36 66 85 46
MAX LVORI 1 2 2 2 2 2 2 1 2 2 3 3 4 4 3 1 1 1
STABILITY D E E E D C B B B G F F F D D D D D
CEILING None None None None None 6000 5200 1300 2100
STA PRES 27.50 27.60 27.67 27.70 27.72 27.72 27.67 27.66 27.63
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 35 22 39 29 53 42 53
TEMP 29 26 34 29 26 22 35 32 30 32 50 46 45 43 50 46
DEWPT 17 16 17 15 12 12 14 16 18 21 30 31 35 37 39 33
RH 60 65 49 55 55 65 41 51 60 63 46 55 68 79 66 60
WIND SPD 15> 15> <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 B1 B2 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2
POP 12HR 40 20 10 0 10 10 50 50
RAIN C C C C
SNOW C 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