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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
731 AM EDT Sun Oct 4 2026
VAZ012-042000-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
731 AM EDT Sun Oct 4 2026
Date Sun 10/04/26 Mon 10/05/26 Tue 10/06/26
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 67 49 67 38 70
TEMP 56 60 66 67 63 61 58 56 53 60 66 64 55 50 45 41 40 56 66 69 58
DEWPT 55 58 62 62 61 60 57 54 50 50 48 45 44 43 43 41 40 48 50 51 50
MAX/MIN RH 83 98 48 100 52
RH 96 93 87 84 93 97 96 93 89 69 52 50 66 77 93100100 74 56 53 75
WIND DIR E N S W NW NW NW NW N N N N N N NE NE E SE S S SE
WIND SPD 1 0 1 1 1 1 1 2 2 2 2 2 2 1 1 1 1 2 1 1 1
CLOUDS OV OV OV OV OV B2 B2 B2 SC FW FW CL CL CL CL FW FW CL FW CL CL
CLOUDS(%) 100100100 98 90 87 82 74 38 17 7 3 2 4 4 7 9 5 6 3 3
VSBY 1 5 10 10 10 9 7 2 9 10 10 10 10 10 10 10
POP 12HR 30 5 0 0 0
RAIN C S
Obvis PF PF PF PF
MIX HGT <1 <1 2 2 <1 <1 <1 <1 <1 2 3 3 <1 <1 <1 <1 <1 2 4 3 <1
T WIND DIR E N NW NW N NW NW NW NW N NW NW N N N W W SE S S SE
T WIND SPD 2 0 2 4 4 5 8 10 11 13 13 12 6 4 2 1 1 8 4 4 5
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 3 0 4 10 2 3 4 5 12 35 55 50 3 2 1 1 1 21 22 19 3
MAX LVORI 9 9 6 4 6 9 8 6 5 3 1 1 3 4 7 9 10 3 2 2 3
STABILITY D D D C F F F F B B B B G G G G A B A A G
CEILING 200 900 500 600 None None None None None None
STA PRES 27.35 27.31 27.32 27.31 27.35 27.33 27.37 27.37 27.38 27.31
Date Wed 10/07/26Thu 10/08/26Fri 10/09/26Sat 10/10/26
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 40 75 45 75 44 75 45 72
TEMP 47 42 71 62 52 46 70 61 50 46 71 62 51 46 68 60
DEWPT 45 42 53 52 48 44 50 50 45 43 51 51 46 43 52 51
RH 93100 53 70 86 93 49 67 83 89 49 67 83 89 57 72
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL FW FW FW FW FW CL FW CL FW FW SC SC SC SC B1
POP 12HR 0 0 0 0 0 0 5 10
$$
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