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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Sun Oct 25 2026
VAZ018-252000-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
801 AM 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 44 71
TEMP 53 61 61 50 47 46 42 41 59 69 69 54 49 48 46 46 63 70 69 56
DEWPT 41 43 41 41 41 40 38 36 42 40 41 42 42 40 39 37 47 47 46 46
MAX/MIN RH 47 86 35 76 42
RH 64 51 48 71 79 79 86 82 53 35 36 64 77 74 76 71 56 44 44 69
WIND DIR SE SE SE E N W NW NW NW NW NW NW NW NW NW NW NE E SE SE
WIND SPD 2 3 2 1 0 1 1 2 1 1 1 3 2 2 1 1 1 3 2 1
CLOUDS SC CL FW CL CL FW FW FW FW CL CL CL FW FW FW FW CL FW FW FW
CLOUDS(%) 41 5 6 2 5 14 25 19 8 3 4 1 12 20 22 11 5 10 18 23
VSBY 10 10 10 10 10 8 7 3 5 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT 2 3 3 <1 <1 <1 <1 <1 1 3 2 <1 <1 <1 <1 <1 2 3 3 <1
T WIND DIR SE S SE SE W W W NW NW NW NW W NW NW NW NW E E E E
T WIND SPD 3 3 2 1 1 2 3 5 4 4 4 4 4 4 3 3 5 5 5 9
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 9 13 8 1 1 1 2 6 8 17 13 2 2 2 2 3 12 23 21 4
MAX LVORI 3 2 2 4 6 4 6 4 2 2 2 3 3 3 4 3 2 2 2 3
STABILITY B B B G G G G B A A A G G G G A A B B G
CEILING None None None None None None None None None None
STA PRES 28.27 28.19 28.15 28.12 28.09 28.01 28.01 28.00 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 65 48 72 48 75 51 72
TEMP 51 49 65 56 51 48 70 59 51 49 73 62 54 52 70 61
DEWPT 45 44 51 48 45 43 50 47 43 42 49 47 46 45 53 51
RH 80 83 60 74 80 83 49 64 74 77 43 58 74 77 55 70
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 B2 B2 B2 B1 SC FW CL FW FW FW FW 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