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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 PM EDT Sun Oct 25 2026
VAZ018-252000-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
131 PM 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 63 41 71 46 71
TEMP 62 61 50 47 45 42 41 59 69 68 55 50 48 46 46 64 70 68 56
DEWPT 46 44 43 42 40 39 37 48 46 44 44 44 42 41 39 48 49 48 47
MAX/MIN RH 51 92 40 84 46
RH 56 53 77 83 82 89 85 67 44 42 66 80 80 83 76 56 47 49 72
WIND DIR SE SE SE W W NW NW NW NW NW NW NW NW NW NW E SE SE SE
WIND SPD 3 2 1 1 1 1 2 1 2 2 3 2 2 1 1 1 3 2 1
CLOUDS FW CL CL CL FW FW FW FW CL FW CL FW FW FW FW CL FW FW FW
CLOUDS(%) 7 3 2 4 19 21 22 9 5 11 2 13 21 21 10 4 7 8 20
VSBY 10 10 10 10 10 9 5 9 10 10 10 10 9 9
POP 12HR 0 0 0 0 0
MIX HGT 3 3 <1 <1 <1 <1 <1 1 3 2 <1 <1 <1 <1 <1 2 3 3 <1
T WIND DIR S S SE W W W W NW N NW W NW NW NW NW E E E E
T WIND SPD 4 3 2 1 1 3 3 2 4 4 3 4 3 3 3 5 5 4 4
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 18 13 1 1 1 2 4 3 16 12 2 2 2 2 3 14 23 17 2
MAX LVORI 2 2 4 6 6 7 5 3 2 2 3 4 4 5 4 2 2 2 3
STABILITY B B G G G G B A B B G G G G A A B B G
CEILING None None None None None None None None None
STA PRES 28.17 28.16 28.12 28.10 28.02 28.01 28.02 28.05 28.04
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 48 66 48 72 47 75 52 72
TEMP 51 49 65 55 52 49 72 57 51 49 74 59 55 53 71 59
DEWPT 47 46 54 50 48 46 53 50 46 44 52 49 48 47 56 53
RH 86 89 68 83 86 89 51 77 83 83 46 69 77 80 59 80
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC B1 B1 B1 B1 SC FW FW FW FW FW SC SC 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