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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EST Fri Feb 6 2026
VAZ046-062100-
RAWS 441101
37.39N 78.80W Elev. 804 ft
801 AM EST Fri Feb 6 2026
Date Fri 02/06/26 Sat 02/07/26 Sun 02/08/26
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 40 19 26 10 30
TEMP 32 37 35 35 33 30 27 19 21 25 26 20 17 14 12 12 20 27 30 25
DEWPT 19 23 28 30 25 22 18 5 0 -2 -3 -3 -3 -3 -2 -1 1 5 9 10
MAX/MIN RH 51 81 25 56 37
RH 58 56 75 82 72 72 68 54 39 30 27 35 40 46 52 55 43 38 41 52
WIND DIR SW SW SW SW W W NW NW NW NW NW NW NW NW W NW NW W W SW
WIND SPD 5 8 5 5 6 8 12 16 17 17 14 10 6 5 4 3 4 5 4 2
WIND GUST 17 19 21 31 37 39 33 29 23 18
CLOUDS B2 B2 OV B2 FW CL SC FW FW CL CL CL CL CL FW SC B1 B1 B1 B1
CLOUDS(%) 70 82 90 73 13 5 26 8 6 3 3 1 2 3 9 35 52 51 61 62
VSBY 10 10 6 6 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 50 5 0 0 20
SNOW S S
SNOWSHWRS SC SC
MIX HGT <1 2 1 <1 <1 2 4 3 4 4 4 3 1 <1 <1 <1 1 3 2 <1
T WIND DIR SW SW S SW NW NW NW NW NW NW NW NW NW NW NW W W W S S
T WIND SPD 9 12 6 5 10 12 16 36 37 36 34 29 20 12 9 9 8 3 3 2
DISPERSION PR PR PR FR FR PR PR VP VP
ADI 11 22 9 4 5 8 22 95101106 99 20 9 6 4 10 14 8 7 1
MAX LVORI 2 2 3 5 3 3 2 1 1 1 1 2 2 2 2 2 2 2 2 2
STABILITY D D D E F E D D D D D E F F F B C D D F
CEILING 1800 None None None None None None None 5400
STA PRES 28.89 28.94 29.06 29.31 29.43 29.56 29.62 29.63 29.49
Date Mon 02/09/26Tue 02/10/26Wed 02/11/26Thu 02/12/26
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 16 41 24 52 37 55 34 48
TEMP 20 20 37 35 28 26 50 46 41 39 53 48 41 35 45 41
DEWPT 12 12 18 21 20 21 31 32 34 36 39 37 34 30 26 23
RH 71 71 46 56 71 81 48 58 76 89 59 65 76 82 47 48
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 B1 B1 SC FW FW B1 B2 B2 B2 B2 B2 B2 B2 B2
POP 12HR 0 0 0 0 20 40 20 20
RAIN S 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
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