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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
731 PM EDT Thu Oct 29 2026
VAZ012-300800-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
731 PM EDT Thu Oct 29 2026
Date 10/29/26 Fri 10/30/26 Sat 10/31/26 Sun
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
MIN/MAX TEMP 47 68 41 66 41
TEMP 56 52 51 49 49 62 68 67 54 49 46 43 41 56 62 65 55 48 46 43 41
DEWPT 42 41 41 40 42 47 50 48 47 43 39 37 37 42 40 38 41 39 38 37 37
MIN/MAX RH 75 51 85 37 85
RH 59 66 68 71 77 58 52 50 77 80 76 79 85 59 44 37 59 71 73 79 85
WIND DIR NW W NW NW NW NW NW N N N N N N SE SE SE SE SE SE SE SE
WIND SPD 4 4 5 5 5 8 9 6 1 1 1 0 0 2 2 1 1 1 1 1 1
CLOUDS CL CL CL CL CL CL FW FW FW SC SC B1 B1 B2 B2 B2 B2 B2 OV OV OV
CLOUDS(%) 0 0 0 0 0 0 8 12 19 41 40 53 65 71 79 81 83 82 88 89 90
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 <1 <1 <1 <1 <1 2 3 2 <1 <1 <1 <1 <1 1 2 2 <1
T WIND DIR NW W NW NW NW NW N N N N NE E SE SE S S SE
T WIND SPD 5 6 9 10 9 10 13 10 6 6 5 6 6 10 11 10 8
DISPERSION VP VP PR PR VP VP VP VP VP VP VP VP
ADI 2 3 4 4 10 28 63 40 3 3 3 3 5 19 27 24 3
MAX LVORI 3 3 3 3 4 2 1 1 4 5 4 5 5 2 2 2 3
STABILITY G G G G B B B B G F G F C C C C F
CEILING None None None None None None 0 0 0
STA PRES 27.46 27.46 27.49 27.49 27.55 27.57 27.62 27.60
Date 11/01Mon 11/02/26Tue 11/03/26Wed 11/04/26Thu 11/05/26
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MAX/MIN TEMP 66 42 67 42 71 50 69 52 70
TEMP 62 52 46 44 62 54 46 44 66 58 52 51 65 59 55 54 65 59
DEWPT 36 40 40 40 44 47 44 44 50 50 49 50 55 55 53 53 55 53
RH 38 63 79 86 52 77 93100 56 75 89 96 70 87 93 96 70 80
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B1 B1 B2 B2 B2 SC SC SC SC FW SC B1 B1 B1 B2 B2 B2
POP 12HR 5 20 10 5 5 10 30 60 60
RAIN SHWRS IS IS SC SC NM NM 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