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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 AM EDT Sun Oct 25 2026
VAZ020-260800-
RAWS 441801
37.99N 79.76W Elev. 2160 ft
131 AM EDT Sun Oct 25 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 38 61 36 69 43
TEMP 42 41 38 50 58 59 51 46 42 40 39 55 65 67 54 50 47 45 44
DEWPT 36 36 38 43 40 40 38 36 37 37 37 44 39 39 39 39 40 40 41
MIN/MAX RH 100 47 94 35 89
RH 79 82100 77 51 49 61 68 82 89 92 66 38 36 57 66 76 82 89
WIND DIR E NE NE SE S SE S SW W W NW N N N NW NW NW NW N
WIND SPD 2 2 2 2 3 2 2 2 3 4 1 0 0 0 1 2 2 2 2
CLOUDS FW FW FW FW FW CL CL CL FW FW FW FW CL CL CL CL FW FW CL
CLOUDS(%) 8 18 22 23 6 3 3 4 6 20 20 9 0 0 2 5 9 6 5
VSBY 10 10 7 10 10 10 10 10 1 1 0 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
Obvis PF
MIX HGT <1 <1 <1 2 3 3 <1 <1 <1 <1 <1 1 3 2 <1 <1 <1 <1 <1
T WIND DIR E SE SE S S SE E NE NW NW NW NW SW W W NW NW NW N
T WIND SPD 2 3 3 5 2 2 2 1 2 3 3 1 1 3 1 5 5 6 6
DISPERSION VP VP VP VP VP VP VP VP VP VP
ADI 1 2 4 16 8 8 1 1 1 2 3 2 4 9 1
MAX LVORI 3 5 9 4 2 2 3 4 5 6 6 3 2 2 3
STABILITY G G B B B B G G G G A A A A G
CEILING None None None None None None None None
STA PRES 28.30 28.34 28.25 28.23 28.18 28.15 28.06
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 70 46 64 46 69 45 73 50 70
TEMP 69 58 50 47 62 55 50 47 67 59 50 47 71 61 54 51 69 62
DEWPT 47 44 44 45 50 45 44 45 50 45 44 44 49 46 46 47 52 49
RH 45 59 80 93 65 69 80 93 54 60 80 89 46 58 74 86 55 62
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW FW FW B1 B2 B2 B1 B1 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