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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Fri Oct 30 2026
VAZ012-302000-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
801 AM EDT Fri Oct 30 2026
Date Fri 10/30/26 Sat 10/31/26 Sun 11/01/26
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 40 67 42 65
TEMP 63 71 71 54 49 46 43 40 56 63 64 53 50 47 44 42 53 61 63 54
DEWPT 49 52 46 46 42 39 37 36 41 39 37 41 39 37 36 36 39 36 34 38
MAX/MIN RH 41 82 35 78 33
RH 60 51 41 74 77 76 79 85 57 41 37 64 66 68 73 79 59 39 34 54
WIND DIR NW NW N N N NE E N SE SE SE SE SE SE SE SE SE SE SE SE
WIND SPD 2 3 2 1 1 1 1 0 2 2 2 1 1 1 1 1 2 2 2 1
CLOUDS CL SC FW FW FW FW B1 B1 B1 OV OV B2 OV B2 OV OV B2 B2 B2 B2
CLOUDS(%) 2 28 12 12 21 25 55 54 59 90 88 86 88 85 89 93 86 83 82 77
VSBY 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
MIX HGT 2 3 3 <1 <1 <1 <1 <1 1 2 1 <1 <1 <1 <1 <1 1 2 2 <1
T WIND DIR NW NW N N NW N N E SE SE SE SE SE SE SE SE S SE SE SE
T WIND SPD 18 16 16 4 3 2 1 2 8 6 6 6 6 5 4 3 9 9 8 6
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 41 63 51 2 2 1 1 2 15 19 13 3 3 3 2 4 17 21 17 3
MAX LVORI 1 1 1 3 4 4 6 5 2 2 2 3 3 3 3 4 2 2 2 3
STABILITY B B B G G G F A B B B F F F F B B B C F
CEILING None None None None 19200 17600 16900 10300 9500 7700
STA PRES 27.46 27.47 27.53 27.55 27.60 27.58 27.60 27.58 27.59 27.53
Date Mon 11/02/26Tue 11/03/26Wed 11/04/26Thu 11/05/26
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 41 65 41 70 47 68 50 68
TEMP 47 42 60 54 47 44 65 57 52 51 63 59 54 52 63 56
DEWPT 37 39 43 46 43 43 50 51 50 51 56 56 53 51 52 50
RH 68 89 53 74 86 96 58 80 93100 78 90 96 96 67 80
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B2 B2 B1 SC SC SC SC SC SC B1 B2 B2 B1 B1 B2 B1
POP 12HR 10 10 0 0 20 50 40 50
RAIN SHWRS IS SC SC 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