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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Sun Oct 11 2026
NCZ003-112000-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
801 AM EDT Sun Oct 11 2026
Date Sun 10/11/26 Mon 10/12/26 Tue 10/13/26
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 71 61 77 53 81
TEMP 66 70 69 64 62 61 61 63 70 75 76 65 60 57 55 54 71 79 81 71
DEWPT 66 67 63 63 61 60 60 60 63 63 62 60 58 56 54 54 63 64 65 64
MAX/MIN RH 83 98 61 100 58
RH 100 90 81 97 97 97 97 90 78 66 62 84 93 96 96100 76 60 58 79
WIND DIR SE SE SW SW W W W NW NW NW NW NW NW NW NW NW W SW SW SW
WIND SPD 5 4 10 9 8 9 11 11 12 10 8 3 3 3 3 3 2 4 4 3
WIND GUST 23 25 21
CLOUDS OV B2 B1 B1 SC SC SC CL FW FW FW FW CL CL CL CL CL CL CL CL
CLOUDS(%) 100 76 60 62 44 43 35 1 7 8 14 22 5 2 2 2 1 2 1 1
VSBY 5 9 10 10 9 9 10 10 8 7 7 7 7 7 7 7 10 10 10 10
POP 12HR 100 5 0 0 0
RAIN
RAIN SHWRS SC SC
MIX HGT <1 3 2 <1 <1 <1 <1 1 3 4 3 <1 <1 <1 <1 <1 1 3 3 <1
T WIND DIR SE S SW SW SW W W W NW NW NW NW W W W W W SW SW S
T WIND SPD 10 21 23 13 9 6 8 6 25 20 12 3 2 2 2 2 2 6 10 5
DISPERSION PR PR PR FR VP VP VP VP VP
ADI 13 52 66 12 6 5 5 12 86 75 51 2 1 1 1 2 4 26 35 3
MAX LVORI 5 4 4 5 6 7 6 5 3 1 1 6 7 8 8 9 4 2 1 4
STABILITY D D C D E E E C C C B G G G G B B B B G
CEILING 400 1500 None None None None None None None None
STA PRES 28.85 28.78 28.80 28.82 28.90 28.92 28.95 28.97 29.00 28.95
Date Wed 10/14/26Thu 10/15/26Fri 10/16/26Sat 10/17/26
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 59 85 62 79 57 76 51 64
TEMP 61 60 82 74 64 62 76 69 61 58 73 66 57 52 62 51
DEWPT 59 58 67 66 63 60 65 63 59 56 61 58 52 47 46 41
RH 93 93 61 76 97 93 69 81 93 93 66 75 83 83 56 68
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL CL CL CL CL FW SC SC SC B1 B1 SC SC SC SC SC
POP 12HR 0 0 0 5 10 5 10 10
$$
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