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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EST Fri Feb 6 2026
NCZ005-062100-
RAWS 310540
36.38N 79.70W Elev. 858 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 44 21 29 15 36
TEMP 34 42 42 38 35 32 29 21 23 28 29 23 20 17 16 16 25 32 36 31
DEWPT 23 24 30 32 28 24 20 9 5 2 0 1 0 1 1 2 3 5 7 10
MAX/MIN RH 48 77 27 52 28
RH 64 48 62 79 75 72 69 59 45 32 28 38 41 49 51 53 38 31 29 41
WIND DIR SW SW SW W NW W NW NW NW NW NW NW NW NW NW NW NW W SW S
WIND SPD 4 8 6 5 6 6 12 17 19 18 16 9 6 5 5 4 4 4 3 2
WIND GUST 16 17 18 27 34 36 31 27 19
CLOUDS B1 B1 B2 B1 FW FW FW FW CL CL CL CL FW FW FW SC B2 OV B2 B2
CLOUDS(%) 51 57 87 65 25 25 18 7 4 3 4 4 7 14 24 49 72 90 84 70
VSBY 10 10 7 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 40 0 0 0 10
RAIN SHWRS SC
SPRINKLES SC
MIX HGT 1 2 2 <1 3 3 4 3 3 4 4 3 2 <1 <1 <1 1 2 1 <1
T WIND DIR SW SW SW SW NW NW NW NW NW NW NW NW NW NW NW NW NW W SW SE
T WIND SPD 8 13 11 5 12 14 19 40 39 39 33 28 20 16 12 10 6 1 8 2
DISPERSION PR PR PR FR PR PR PR PR VP
ADI 12 25 23 4 6 7 26 96 96107 93 19 9 7 6 11 11 2 12 1
MAX LVORI 3 2 2 4 3 3 3 1 1 1 1 2 2 2 2 2 2 2 2 2
STABILITY D D D E F F D D D D D E F F F B D D B F
CEILING 2700 None None None None None None 7600 7700
STA PRES 28.89 28.97 29.09 29.33 29.44 29.56 29.60 29.60 29.45
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 24 47 29 57 40 60 36 52
TEMP 27 25 43 40 34 31 55 50 45 43 57 53 43 37 49 44
DEWPT 14 18 21 24 27 27 34 36 39 39 42 40 37 33 31 27
RH 57 74 41 52 75 85 45 58 79 86 57 61 79 85 50 51
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B2 B2 B1 SC FW SC B2 B2 B2 B2 B1 B1 B2 B2 B2
POP 12HR 0 0 0 5 20 40 20 20
RAIN S C C S 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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