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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Sun Oct 25 2026
VAZ012-252000-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
801 AM EDT Sun Oct 25 2026
Date Sun 10/25/26 Mon 10/26/26 Tue 10/27/26
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 65 34 71 37 72
TEMP 54 62 64 52 43 40 37 34 58 67 68 51 46 43 40 38 60 68 70 57
DEWPT 40 39 39 41 40 40 37 34 42 40 40 41 40 40 38 36 44 41 41 45
MAX/MIN RH 40 100 33 98 33
RH 59 43 40 66 89100100100 55 37 36 68 79 89 92 92 55 37 35 64
WIND DIR SE SE SE E N N N NW N NW NW NW NW N N N E SE SE SE
WIND SPD 1 2 1 1 0 0 0 1 0 1 1 1 1 0 0 0 1 1 1 1
CLOUDS SC FW CL CL FW SC SC FW FW CL CL CL FW FW FW FW FW FW FW FW
CLOUDS(%) 49 10 3 2 9 48 40 24 11 3 3 5 15 25 24 11 7 14 16 19
VSBY 10 10 10 10 10 9 8 4 7 10 10 10 10 8 0
POP 12HR 0 0 0 0 0
MIX HGT 2 3 3 <1 <1 <1 <1 <1 2 3 3 <1 <1 <1 <1 <1 1 3 3 <1
T WIND DIR SE SE SE E SE SW W W W NW NW NW NW NW NW W E E E E
T WIND SPD 4 6 3 2 1 2 2 3 2 4 4 3 3 2 2 1 6 6 6 6
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 11 24 12 1 1 1 1 3 5 17 15 2 2 1 1 1 10 25 24 3
MAX LVORI 2 2 2 3 7 10 10 9 3 2 2 3 5 7 7 7 2 2 2 3
STABILITY A B A G G F G A A A A G G G G A A A A G
CEILING None None None None None None None None None None
STA PRES 27.70 27.62 27.59 27.57 27.54 27.47 27.47 27.45 27.48 27.47
Date Wed 10/28/26Thu 10/29/26Fri 10/30/26Sat 10/31/26
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 68 40 73 41 74 44 73
TEMP 45 41 65 54 45 43 69 57 46 44 70 59 49 47 68 59
DEWPT 43 41 46 47 45 42 45 46 44 41 45 47 46 45 50 51
RH 93100 50 77100 96 42 67 93 89 41 64 89 93 52 75
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 B2 B2 B2 B1 SC FW FW FW FW FW SC B1 B1 B1
POP 12HR 0 0 0 0 0 0 0 5
$$
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