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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Mon Oct 19 2026
VAZ012-200800-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
801 PM EDT Mon Oct 19 2026
Date 10/19/26 Tue 10/20/26 Wed 10/21/26 Thu
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
MIN/MAX TEMP 38 69 38 70 38
TEMP 47 44 41 41 56 66 67 54 47 43 40 39 55 65 68 56 45 42 40 39
DEWPT 32 32 31 28 33 30 34 37 39 40 39 38 45 43 44 45 43 41 40 39
MIN/MAX RH 69 26 98 42 100
RH 56 62 67 59 42 26 29 52 74 89 96 96 69 45 42 66 93 96100100
WIND DIR N N N N N N N N N N N N N N NW NW NW NW NW NW
WIND SPD 4 3 3 3 2 3 3 2 1 0 0 0 1 1 1 1 1 1 2 2
CLOUDS CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL FW FW FW
CLOUDS(%) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 3 7 8 8
VSBY 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 <1 <1 <1 <1 1 3 2 <1 <1 <1 <1 <1 1 3 4 <1
T WIND DIR NW NW NW W N N N NW NW NW NW W N N NW NW
T WIND SPD 3 3 3 3 5 9 11 8 4 3 2 2 4 10 12 6
DISPERSION VP VP VP VP VP VP VP VP VP VP VP
ADI 2 2 2 4 8 34 33 4 2 2 1 2 8 44 57 3
MAX LVORI 3 3 3 3 2 1 1 3 5 7 10 9 4 1 1 3
STABILITY F G G B B B B G G G G A A A A G
CEILING None None None None None None None None None
STA PRES 27.49 27.47 27.47 27.43 27.43 27.40 27.40 27.33
Date 10/22Fri 10/23/26Sat 10/24/26Sun 10/25/26Mon 10/26/26
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MAX/MIN TEMP 68 38 66 36 62 36 65 38 70
TEMP 62 55 44 40 59 50 42 38 55 49 40 38 60 53 43 41 64 56
DEWPT 42 43 41 40 47 45 41 38 45 42 40 38 47 44 40 38 46 46
RH 48 64 89100 64 83 96100 69 77100100 62 71 89 89 52 69
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL CL CL CL CL CL CL CL FW FW CL CL FW FW FW FW SC FW
POP 12HR 0 0 0 0 0 0 0 0 0
$$
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