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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 PM EDT Sat Oct 24 2026
VAZ018-242000-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
131 PM EDT Sat Oct 24 2026
Date Sat 10/24/26 Sun 10/25/26 Mon 10/26/26
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 58 37 63 38 69
TEMP 57 57 49 45 42 41 39 52 59 61 52 47 44 42 41 56 65 67 54
DEWPT 42 40 38 37 35 36 37 43 41 41 42 41 39 37 35 46 42 41 43
MAX/MIN RH 53 92 48 86 38
RH 57 53 66 73 76 82 92 71 51 48 69 79 82 82 79 69 43 39 66
WIND DIR E E E E E N NE E SE SE N N N NW NW N N NW W
WIND SPD 4 4 1 1 1 0 2 3 3 2 0 0 0 1 2 0 0 1 2
CLOUDS B1 FW CL CL FW SC SC B1 FW FW CL FW SC SC FW FW CL CL CL
CLOUDS(%) 56 11 5 3 18 47 48 57 24 12 5 17 29 31 20 11 1 1 1
VSBY 10 10 10 10 10 10 8 9 10 10 10 10 5 0 0 0 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 2 <1
T WIND DIR E E E E E E NE SE SE SE SE SE SW NW NW NW N NW W
T WIND SPD 5 5 8 6 5 4 4 6 6 5 4 4 4 4 5 5 5 5 6
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 24 23 4 3 3 2 4 20 27 21 2 2 2 2 6 12 20 16 3
MAX LVORI 2 2 3 5 5 6 6 3 2 2 3 4 4 5 4 2 2 2 3
STABILITY B B G G G F A B B B G G G G B A A A G
CEILING None None None None None None None None None
STA PRES 28.20 28.25 28.27 28.28 28.21 28.20 28.16 28.12 28.04
Date Tue 10/27/26Wed 10/28/26Thu 10/29/26Fri 10/30/26
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 44 71 47 65 47 72 47 74
TEMP 48 46 70 56 51 48 64 54 50 48 71 56 51 49 74 59
DEWPT 40 38 49 47 45 45 52 48 46 44 52 48 45 43 52 49
RH 74 73 47 72 80 89 65 80 86 86 51 74 80 80 46 69
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW FW SC B1 B1 B1 B1 SC SC FW FW FW FW FW
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