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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
901 AM EDT Thu Oct 29 2026
VAZ018-292000-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
901 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 73 52 74 48 64
TEMP 58 71 71 57 54 53 52 52 65 73 71 57 52 50 49 48 57 62 62 53
DEWPT 51 48 47 46 46 44 44 44 49 49 42 42 41 40 39 38 41 41 41 42
MAX/MIN RH 39 76 35 68 45
RH 77 44 42 67 74 71 74 74 56 43 35 57 66 68 68 68 55 46 46 66
WIND DIR W W W W NW NW NW NW NW NW NW NW NW NW NW E SE SE SE SE
WIND SPD 1 2 2 2 2 4 5 5 5 6 4 3 2 1 1 1 2 3 2 1
WIND GUST 14 18 17 18 17
CLOUDS SC CL CL CL CL CL CL FW CL FW FW SC SC SC B1 B2 B2 B2 B2 B2
CLOUDS(%) 36 3 2 2 5 5 5 6 5 15 7 27 28 39 53 72 73 78 79 87
VSBY 10 10 10 10 10 8 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT 1 3 3 <1 <1 <1 <1 <1 2 4 3 <1 <1 <1 <1 <1 2 2 2 <1
T WIND DIR W W W W W W NW NW NW NW NW NW NW NW N N S S SE SE
T WIND SPD 4 8 9 3 4 6 9 10 21 19 14 5 3 3 2 0 4 4 5 5
DISPERSION VP VP VP PR VP VP VP VP VP
ADI 8 32 30 2 2 3 4 11 58 95 59 3 2 2 1 0 10 12 13 3
MAX LVORI 4 1 2 3 3 3 3 3 1 1 1 3 3 3 3 4 2 2 2 3
STABILITY A B B G G F F B B B B G G G F A B B B F
CEILING None None None None None None 21900 18000 19800
STA PRES 27.96 27.96 27.95 27.98 27.99 28.07 28.10 28.16 28.13
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 47 65 50 66 51 68 54 67
TEMP 50 48 64 56 51 50 64 58 53 52 66 60 56 55 65 60
DEWPT 40 39 44 44 43 44 51 49 48 48 55 52 52 52 58 55
RH 68 71 48 64 74 80 63 72 83 86 68 75 86 90 78 84
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS OV B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B2 B1
POP 12HR 0 5 40 20 10 10 30 40
RAIN SHWRS SC IS IS 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