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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 AM EST Tue Feb 3 2026
VAZ012-032100-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
701 AM EST Tue Feb 3 2026
Date Tue 02/03/26 Wed 02/04/26 Thu 02/05/26
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 42 30 38 15 30
TEMP 31 40 41 36 35 34 32 30 34 36 36 31 28 24 19 16 22 28 30 22
DEWPT 23 28 30 32 32 32 31 29 31 30 29 26 23 20 16 11 12 12 11 11
MAX/MIN RH 61 97 75 85 46
RH 72 62 65 85 89 92 96 96 89 79 75 81 81 84 88 80 65 50 44 62
WIND DIR W W SW SW W W NW N NE NE N N N NW NW NW NW NW NW NW
WIND SPD 6 8 6 5 4 3 3 2 4 4 2 2 2 2 2 2 2 3 3 2
CLOUDS B2 OV B2 OV OV B2 B2 B2 OV OV OV OV B2 B2 B1 B1 SC FW FW SC
CLOUDS(%) 77 88 80 92 91 75 83 87 92 93 90 90 85 81 66 52 27 11 18 43
VSBY 10 10 9 2 4 10 10 4 5 2 1 3 3 10 10 10 10 10 10 10
POP 12HR 50 80 60 50 5
RAIN D C S S
SNOW S C C C L L C C
MIX HGT <1 1 <1 <1 <1 <1 <1 <1 <1 <1 <1 1 1 <1 <1 <1 2 2 2 <1
T WIND DIR W SW S S SW W NW N NE NE NE N NW NW NW NW NW NW NW NW
T WIND SPD 10 11 6 4 4 4 4 3 5 5 8 9 13 16 17 18 14 12 13 11
DISPERSION PR VP VP VP VP VP VP VP VP
ADI 8 22 8 2 2 2 2 3 4 4 7 4 6 7 8 14 30 32 36 5
MAX LVORI 3 2 3 6 6 6 8 6 5 4 4 5 4 4 4 4 1 1 1 3
STABILITY C B C F F F F C C C C F F F F C B B B F
CEILING 4500 5600 600 400 0 700 700 700 None None
STA PRES 27.31 27.20 27.18 27.18 27.21 27.19 27.22 27.22 27.23 27.17
Date Fri 02/06/26Sat 02/07/26Sun 02/08/26Mon 02/09/26
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 15 39 23 34 16 37 16 38
TEMP 18 20 35 35 31 24 31 25 19 17 35 30 23 18 37 30
DEWPT 11 13 24 27 26 19 14 13 12 12 18 19 17 15 20 20
RH 73 74 64 72 81 81 49 60 74 80 49 63 77 88 50 66
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC B1 B1 B1 B1 SC FW FW SC SC SC SC SC SC SC
POP 12HR 5 30 40 5 5 10 10 5
SNOW S C 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