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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
431 AM EDT Sun Oct 11 2026
VAZ024-112000-
RAWS 441631
37.63N 79.51W Elev. 865 ft
431 AM EDT Sun Oct 11 2026
Date Sun 10/11/26 Mon 10/12/26 Tue 10/13/26
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 67 60 80 51 85
TEMP 61 61 62 65 66 64 63 62 60 61 71 78 78 66 59 56 54 52 71 83 84 73
DEWPT 61 61 62 65 65 64 63 62 60 60 64 63 62 61 58 56 54 52 62 64 65 64
MAX/MIN RH 96 100 58 100 51
RH 100100100100 97100100100100 97 79 60 58 84 96100100100 73 53 53 73
WIND DIR N NE NE NE NW W SW SW W W NW NW NW NW NW N NW NW W SW SW SW
WIND SPD 4 5 4 4 3 2 3 3 4 5 9 8 5 2 1 0 1 1 1 4 3 2
WIND GUST 13 18 20 23 20 16
CLOUDS OV OV OV OV B2 B1 B1 B1 FW CL FW FW FW FW CL FW FW FW CL CL CL CL
CLOUDS(%) 100100100100 85 64 67 67 19 5 13 13 9 18 5 9 14 15 4 1 0 1
VSBY 3 3 3 4 4 4 5 9 10 10 8 7 7 7 7 7 7 7 10 10 10 10
POP 12HR 100 40 0 0 0
RAIN D D D
RAIN SHWRS SC NM SC IS IS
Obvis PF PF PF
MIX HGT <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 3 4 3 <1 <1 <1 <1 <1 1 4 4 <1
T WIND DIR E E E SE SE SW SW W NW NW NW N NW NW W NW NW NW W W SW SW
T WIND SPD 9 9 6 9 8 4 10 10 12 11 25 17 10 3 3 3 4 3 2 11 13 4
DISPERSION VP VP VP VP VP VP VP VP VP VP
ADI 8 10 8 10 6 2 5 5 6 12 83 82 37 2 2 2 2 3 4 53 61 2
MAX LVORI 8 7 8 7 8 9 9 9 9 5 3 1 1 5 8 10 9 9 3 1 1 3
STABILITY D D D D C F F F F B C B B G G G G A A B B G
CEILING 200 100 1400 None None None None None None None
STA PRES 28.46 28.31 28.26 28.32 28.43 28.46 28.50 28.51 28.52 28.48
Date Wed 10/14/26Thu 10/15/26Fri 10/16/26Sat 10/17/26
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 60 88 60 77 54 77 49 64
TEMP 63 61 87 76 65 61 75 68 60 55 74 67 56 50 62 52
DEWPT 61 60 67 66 63 60 62 61 57 54 58 56 52 46 43 41
RH 93 97 52 71 93 97 64 78 90 96 57 68 86 86 50 66
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS CL CL CL FW FW SC B1 B1 B1 B2 B1 SC SC SC SC B1
POP 12HR 0 0 5 20 20 10 20 10
RAIN SHWRS IS IS IS
$$
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