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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
731 AM EDT Thu Oct 29 2026
NCZ003-292000-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
731 AM EDT Thu Oct 29 2026
Date Thu 10/29/26 Fri 10/30/26 Sat 10/31/26
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 75 49 78 49 65
TEMP 49 63 72 73 59 53 50 50 52 68 77 77 62 56 53 50 49 59 63 64 55
DEWPT 49 54 53 52 52 48 46 45 44 50 51 51 50 47 45 41 42 43 43 43 47
MAX/MIN RH 46 87 39 75 47
RH 100 72 51 48 78 83 86 83 74 52 40 40 65 72 74 71 77 55 48 46 74
WIND DIR N N S S N NW NW NW NW N N N N N N N N E SE SE N
WIND SPD 0 0 1 1 0 1 1 3 4 5 5 4 3 3 2 1 0 3 3 3 0
CLOUDS B2 SC CL FW FW FW FW FW FW SC SC SC SC SC SC SC B1 B2 B2 B2 B2
CLOUDS(%) 85 43 3 9 10 10 14 22 24 30 32 40 43 33 48 48 59 75 83 79 84
VSBY 6 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
Obvis PF
MIX HGT <1 2 3 2 <1 <1 <1 <1 <1 2 3 3 <1 <1 <1 <1 <1 2 2 2 <1
T WIND DIR N SW NW W W NW NW NW NW N N N N N N N NE E SE SE E
T WIND SPD 1 2 4 2 2 3 4 6 8 20 13 12 5 5 4 3 3 8 4 3 1
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 1 5 18 6 1 2 2 3 8 46 57 53 3 3 2 2 3 20 13 9 1
MAX LVORI 10 3 2 2 4 5 6 5 4 1 1 1 3 3 3 3 4 2 2 2 4
STABILITY C A A A G G G G B B B B F G F F A B B B F
CEILING None None None None None None None None 21600 17000
STA PRES 28.37 28.29 28.30 28.30 28.32 28.32 28.40 28.43 28.51 28.48
Date Sun 11/01/26Mon 11/02/26Tue 11/03/26Wed 11/04/26
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 45 65 47 67 49 69 52 69
TEMP 49 46 62 57 50 49 65 59 52 51 67 62 55 54 67 63
DEWPT 42 41 47 49 46 47 54 54 51 51 58 57 54 54 61 59
RH 77 83 58 75 86 93 68 83 96100 73 84 96100 81 87
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B2 B2 B2 B2 B2 B2 B1 SC B1 B1 B2 SC B1 B1 B1
POP 12HR 0 10 30 20 10 20 30 40
RAIN SHWRS SC IS IS IS SC SC SC SC
$$
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