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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Tue Oct 6 2026
NCZ001-062000-
RAWS 310142
36.40N 81.46W Elev. 4608 ft
801 AM EDT Tue Oct 6 2026
Date Tue 10/06/26 Wed 10/07/26 Thu 10/08/26
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
MAX/MIN TEMP 60 46 67 51 68
TEMP 51 58 58 50 49 48 48 49 58 65 64 55 54 54 54 53 62 67 66 57
DEWPT 44 49 51 49 48 46 45 46 51 52 52 52 51 50 50 49 51 52 53 52
MAX/MIN RH 70 95 61 91 59
RH 77 72 77 96 96 93 89 89 77 63 65 90 90 86 86 86 67 59 63 83
WIND DIR SE S S S S SW W NW W W W W W W W W NW NW NW NW
WIND SPD 6 4 5 5 4 5 5 8 6 5 5 4 8 10 13 14 10 6 5 5
CLOUDS FW FW FW FW SC FW FW FW FW FW FW FW FW FW FW FW CL FW FW SC
CLOUDS(%) 16 16 21 22 28 20 14 11 22 15 6 13 16 11 11 8 4 8 12 27
VSBY 10 10 10 10 10 10 4 2 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT 2 2 2 <1 <1 <1 <1 <1 2 3 3 <1 <1 <1 <1 <1 2 4 4 <1
T WIND DIR SE S S S S S W NW NW NW NW W W NW NW NW NW NW NW NW
T WIND SPD 5 3 3 4 4 6 3 5 11 9 6 3 4 9 10 10 18 14 13 12
DISPERSION PR VP PR PR VP PR FR FR PR
ADI 11 10 10 2 2 3 2 6 32 35 23 2 3 6 9 11 51 71 65 6
MAX LVORI 4 3 4 8 6 6 7 5 3 1 3 7 6 5 5 5 1 1 1 5
STABILITY B B B F F F F B B B B F E E D D C B B F
CEILING None None None None None None None None None None
STA PRES 26.81 26.77 26.75 26.72 26.73 26.69 26.69 26.69 26.72 26.72
Date Fri 10/09/26Sat 10/10/26Sun 10/11/26Mon 10/12/26
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MIN/MAX TEMP 51 66 49 61 49 57 51 62
TEMP 55 51 65 57 52 50 58 55 52 50 55 54 54 53 60 57
DEWPT 50 46 48 49 46 44 49 49 49 49 54 53 54 52 56 55
RH 83 83 54 75 80 80 72 80 89 96 96 96100 96 87 93
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC SC SC SC SC B1 B1 B2 B2 B2 B2 B2 B1 B1
POP 12HR 0 0 0 20 50 60 50 30
RAIN SHWRS IS SC SC NM NM SC SC SC IS
$$
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