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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Tue Oct 6 2026
NCZ003-062000-
RAWS 310301
36.48N 80.86W Elev. 1300 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 70 47 78 52 83
TEMP 61 67 67 59 54 51 49 49 66 76 76 65 59 56 54 55 75 82 80 68
DEWPT 50 52 53 54 51 49 48 48 58 59 60 61 57 55 53 53 60 59 60 60
MAX/MIN RH 56 98 54 96 46
RH 67 59 61 83 90 93 96 96 75 56 58 87 93 96 96 93 60 46 51 76
WIND DIR E SE SE N N N N N S S S W W NW NW NW NW NW NW NW
WIND SPD 4 4 3 0 0 0 0 0 1 3 3 1 1 1 2 2 2 4 4 2
CLOUDS SC SC FW FW FW FW FW FW FW FW FW FW CL FW FW FW CL FW FW FW
CLOUDS(%) 35 30 19 17 14 15 16 13 18 18 22 7 4 8 13 11 5 8 14 18
VSBY 10 10 10 10 10 10 10 9 10 10 10 10
POP 12HR 5 0 0 0 0
MIX HGT 2 3 3 <1 <1 <1 <1 <1 2 3 3 <1 <1 <1 <1 <1 3 5 5 <1
T WIND DIR E E SE SE SE S NW NW NW NW W SW W NW NW NW NW NW NW NW
T WIND SPD 10 5 4 3 1 2 2 3 3 5 4 2 3 5 5 5 14 13 13 8
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 28 21 16 2 1 1 1 3 8 23 18 1 2 3 3 6 49 81 77 4
MAX LVORI 3 2 2 5 7 7 8 8 4 2 2 5 7 8 8 6 1 1 1 4
STABILITY B B B G G G G A A B B G G G G B B B B G
CEILING None None None None None None None None None None
STA PRES 28.27 28.23 28.20 28.17 28.16 28.09 28.10 28.09 28.11 28.11
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 54 78 52 73 53 68 54 75
TEMP 59 55 77 68 56 53 70 65 57 54 64 63 58 58 72 67
DEWPT 54 51 54 55 49 47 54 55 53 54 59 60 58 57 63 62
RH 83 86 45 63 77 80 57 70 86100 84 90100 96 73 84
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW SC SC SC SC SC SC B1 B1 B2 B2 B2 B2 B1 B1 B1
POP 12HR 0 0 0 10 50 60 50 20
RAIN SHWRS IS SC NM NM SC SC IS 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