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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 AM EDT Thu Oct 15 2026
NCZ003-152000-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
401 AM EDT Thu Oct 15 2026
Date Thu 10/15/26 Fri 10/16/26 Sat 10/17/26
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 84 61 84 48 58
TEMP 65 66 75 81 82 74 68 65 63 62 75 82 81 68 60 54 51 49 53 57 56 49
DEWPT 62 62 69 69 69 67 65 64 62 61 68 66 65 62 54 48 45 44 45 43 41 38
MAX/MIN RH 64 97 56 83 56
RH 90 87 82 67 65 79 90 97 97 97 79 58 58 81 81 80 80 83 74 59 57 66
WIND DIR N NW E SE SE E N N N N SW SW SW NW NW NW NW N N N N N
WIND SPD 0 2 3 4 4 1 0 0 0 0 3 6 6 11 14 13 12 12 14 13 12 8
WIND GUST 29 29 31 28 28 25 24 20
CLOUDS SC SC SC SC SC SC SC SC SC B1 FW FW SC SC SC B1 B1 B1 SC SC FW FW
CLOUDS(%) 36 45 37 43 50 35 44 47 40 52 22 20 40 46 47 64 56 53 43 30 25 25
VSBY 10 10 10 10 10 10 9 8 6 4 8 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 20 5 20 20 20
RAIN SHWRS IS IS IS IS IS IS IS IS IS
MIX HGT <1 <1 1 3 2 <1 <1 <1 <1 <1 2 5 3 2 2 2 1 2 3 4 4 <1
T WIND DIR NW NW SW S SE E E S SW S SW SW SW SW NW NW N N N N N N
T WIND SPD 3 3 2 6 10 6 4 2 1 3 6 11 13 6 25 26 23 20 25 26 28 26
DISPERSION VP VP VP VP VP FR GD FR FR PR
ADI 2 4 4 26 26 3 2 1 1 3 16 62 45 8 28 36 21 43 62 95103 18
MAX LVORI 7 6 4 3 3 4 6 7 9 8 4 1 1 4 3 3 3 4 3 1 1 3
STABILITY G B B B B G F F G C B B B D D D D D D C C E
CEILING None None None None None None None None None None
STA PRES 28.21 28.18 28.19 28.12 28.07 27.97 28.00 28.04 28.16 28.28
Date Sun 10/18/26Mon 10/19/26Tue 10/20/26Wed 10/21/26
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 37 58 38 63 44 68 46 69
TEMP 41 37 55 48 41 40 61 54 48 46 66 58 50 47 67 59
DEWPT 34 30 35 37 33 34 47 48 44 42 51 51 47 44 53 53
RH 76 75 47 65 73 79 60 80 86 86 58 77 89 89 61 80
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW FW FW FW FW SC SC FW FW SC FW FW FW FW
POP 12HR 20 10 20 5 5 0 0 0
RAIN SHWRS IS 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