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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EST Sun Nov 1 2026
VAZ012-020800-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
231 PM EST Sun Nov 1 2026
Date 11/01/26 Mon 11/02/26 Tue 11/03/26 Wed
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
MIN/MAX TEMP 42 65 40 72 48
TEMP 63 52 49 47 45 44 52 61 64 54 48 45 43 41 58 68 71 58 52 51 49 51
DEWPT 31 35 36 37 38 40 44 40 39 41 41 41 41 41 50 51 49 51 50 50 49 51
MIN/MAX RH 90 39 100 46 100
RH 30 52 61 68 76 86 74 46 40 61 77 86 93100 75 54 46 77 93 96100100
WIND DIR SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE S SE SE SE SE SE SE
WIND SPD 2 2 2 2 2 1 2 2 2 2 2 1 1 1 2 3 3 2 3 3 3 3
CLOUDS SC B2 B2 B2 OV B2 B1 B1 FW SC FW FW FW FW FW FW FW FW FW SC B1 B1
CLOUDS(%) 40 71 75 85 90 87 60 57 24 50 25 11 15 17 14 16 15 14 25 50 58 63
VSBY 10 10 10 10 10 10 10 10 10 9 10 10 10 10 10 10 10 10 10 10 0
POP 12HR 10 10 0 0 0
MIX HGT 2 <1 <1 <1 <1 <1 1 2 1 <1 <1 <1 <1 <1 1 2 2 <1
T WIND DIR SE SE SE SE SE SE SE SE SE SE SE SE S S S S S SE
T WIND SPD 11 6 8 6 9 10 8 5 6 5 4 2 2 2 9 11 10 4
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 30 3 4 3 4 8 13 13 13 3 2 1 1 2 17 36 30 2
MAX LVORI 2 2 3 3 4 4 3 2 2 3 4 5 8 9 3 1 2 4
STABILITY B F F F F C C C B F G G G A B B B G
CEILING 7700 5000 4700 None None None None None None
STA PRES 27.60 27.57 27.57 27.51 27.52 27.49 27.49 27.45
Date 11/04Thu 11/05/26Fri 11/06/26Sat 11/07/26Sun 11/08/26
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MAX/MIN TEMP 70 56 69 50 66 42 62 37 62
TEMP 66 60 58 57 66 60 53 52 63 55 48 44 59 50 44 39 59 50
DEWPT 59 59 58 57 60 58 53 51 53 51 46 44 44 44 41 39 42 42
RH 78 96100100 81 93100 96 70 86 93100 57 80 89100 53 74
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B2 B2 B2 OV B2 B2 B2 B2 B1 SC SC B1 B1 SC SC B1 B1
POP 12HR 20 60 50 40 20 10 10 5 10
RAIN SHWRS IS SC NM SC SC SC 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