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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
831 PM EDT Sat Oct 24 2026
VAZ012-250800-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
831 PM EDT Sat Oct 24 2026
Date 10/24/26 Sun 10/25/26 Mon 10/26/26 Tue
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 37 64 36 68 38
TEMP 43 40 38 39 53 61 62 53 47 43 41 39 54 64 66 55 45 43 41 40
DEWPT 39 37 37 35 43 42 41 42 40 38 35 34 43 36 34 42 41 40 39 37
MIN/MAX RH 97 45 87 30 95
RH 86 89 96 85 69 49 46 66 76 82 79 82 66 35 30 61 86 89 92 89
WIND DIR E E E E SE SE SE E SE SE SW N N N N NW N N N N
WIND SPD 4 4 4 3 4 4 4 3 3 2 2 0 0 0 0 1 0 0 0 0
CLOUDS FW FW SC B1 SC FW CL CL FW SC SC FW FW CL CL CL FW FW FW FW
CLOUDS(%) 11 18 27 55 41 11 3 2 9 48 40 22 12 1 0 5 9 15 15 10
VSBY 10 10 10 9 10 10 10 10 10 9 8 0 5 10 10 10 10 8 0
POP 12HR 0 0 0 0 0
MIX HGT <1 <1 <1 <1 2 3 3 <1 <1 <1 <1 <1 1 3 3 <1 <1 <1 <1 <1
T WIND DIR SE SE SE SE SE SE E E SE S W W NW NW NW NW NW NW NW NW
T WIND SPD 11 3 6 8 8 3 3 4 9 2 2 2 3 4 5 3 6 5 5 4
DISPERSION VP VP VP VP VP VP VP VP VP VP VP
ADI 5 2 3 8 15 11 12 2 4 1 1 2 6 17 19 2
MAX LVORI 3 4 4 4 3 2 2 3 4 5 5 5 3 2 2 3
STABILITY G G G B D B B G G G G A A A A G
CEILING None None None None None None None None None
STA PRES 27.66 27.66 27.70 27.62 27.60 27.57 27.54 27.47
Date 10/27Wed 10/28/26Thu 10/29/26Fri 10/30/26Sat 10/31/26
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 72 41 68 41 73 42 74 45 73
TEMP 68 56 46 43 64 54 45 43 68 56 46 44 69 59 49 47 69 60
DEWPT 41 46 44 42 47 48 45 43 46 47 45 43 46 49 47 46 51 52
RH 37 69 93 96 54 80100100 45 72 96 96 44 69 93 96 53 75
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW SC B1 B2 B1 SC SC FW FW FW FW FW FW SC SC B1
POP 12HR 0 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