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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1201 PM EDT Thu Oct 22 2026
VAZ012-222000-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
1201 PM EDT Thu Oct 22 2026
Date Thu 10/22/26 Fri 10/23/26 Sat 10/24/26
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 64 34 68 36 65
TEMP 61 61 51 46 42 39 37 53 63 65 55 48 44 41 39 52 61 62 52
DEWPT 37 38 37 33 31 29 32 40 40 40 41 38 37 33 32 43 39 37 41
MAX/MIN RH 40 81 38 77 38
RH 41 42 59 60 65 67 82 61 43 40 59 68 76 73 76 71 44 39 66
WIND DIR NW NW NW NW N N NE E E E E E E E E SE SE E E
WIND SPD 8 8 6 3 2 2 2 3 4 4 3 3 3 2 2 2 1 1 2
CLOUDS CL CL CL CL CL CL CL CL CL CL CL FW FW FW B1 FW CL CL CL
CLOUDS(%) 0 0 0 0 0 0 0 0 0 0 0 6 6 19 51 15 0 0 1
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 3 3 <1 <1 <1 <1 <1 2 3 3 <1 <1 <1 <1 <1 2 3 3 <1
T WIND DIR N N N N NW NW W E E E E E E SE SE E E E E
T WIND SPD 13 14 8 5 3 2 2 6 5 5 5 6 8 8 6 6 5 5 4
DISPERSION PR VP VP VP VP VP VP VP VP
ADI 51 49 4 3 2 1 2 16 24 24 3 3 4 4 7 14 19 20 2
MAX LVORI 1 1 3 4 4 6 6 2 2 2 4 8 9 9 8 3 2 2 3
STABILITY B B G G G G A A A A G G G G A A A A G
CEILING None None None None None None None None None
STA PRES 27.36 27.39 27.42 27.48 27.48 27.55 27.58 27.61 27.59
Date Sun 10/25/26Mon 10/26/26Tue 10/27/26Wed 10/28/26
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 34 64 35 69 38 70 41 67
TEMP 38 35 60 50 40 36 66 53 43 40 67 55 45 42 63 54
DEWPT 38 34 41 44 40 36 38 43 40 38 42 46 44 42 46 48
RH 100 96 49 80100100 36 69 89 92 40 72 96100 54 80
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL FW FW CL CL FW FW CL FW FW FW SC SC SC SC SC
POP 12HR 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