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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 PM EDT Thu Oct 29 2026
NCZ003-292000-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
131 PM 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 71 53 76 48 64
TEMP 69 71 63 58 55 54 53 69 75 76 62 56 52 50 49 57 62 63 56
DEWPT 54 52 54 53 50 47 44 48 49 50 52 48 44 42 41 44 43 42 44
MAX/MIN RH 51 84 39 79 46
RH 59 51 72 83 83 77 71 47 40 40 70 74 74 74 74 62 50 46 64
WIND DIR SW SW SW W NW NW NW NW N N N N N NE NE E E E NE
WIND SPD 2 1 1 2 4 4 3 2 3 3 5 5 5 6 6 8 5 3 2
CLOUDS FW CL CL CL CL FW FW CL FW FW FW SC SC SC SC B1 B2 B2 B2
CLOUDS(%) 14 3 1 2 2 15 9 4 6 21 8 34 34 50 40 59 74 74 87
VSBY 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
MIX HGT 3 3 <1 <1 <1 <1 <1 1 4 4 <1 <1 <1 <1 <1 2 3 3 <1
T WIND DIR W W SW W W NW NW N N N N N NE E E E E E E
T WIND SPD 4 3 3 4 4 6 5 8 8 11 9 8 9 11 11 11 8 6 6
DISPERSION VP VP VP VP PR PR PR PR VP
ADI 16 12 2 2 2 3 6 15 40 52 4 4 4 8 12 23 18 20 3
MAX LVORI 2 2 3 5 5 4 3 2 1 1 3 3 3 3 4 2 2 2 3
STABILITY B A G G F F B B B B F F F E B D D C F
CEILING None None None None None None None None 0
STA PRES 29.02 29.05 29.04 29.06 29.06 29.14 29.22 29.29 29.26
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 46 65 47 67 48 70 54 71
TEMP 49 46 63 56 49 48 64 57 50 49 68 61 55 55 68 64
DEWPT 42 41 42 45 43 44 49 51 49 48 55 55 54 54 62 61
RH 77 83 46 66 80 86 58 80 96 96 63 81 96 96 81 90
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B2 B2 B1 B1 B2 B1 SC SC SC SC SC SC SC B1 B1
POP 12HR 0 0 10 10 10 10 10 40
RAIN SHWRS 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